CN104577347B - A kind of two-band multipolarization Shared aperture Waveguide slot antenna - Google Patents
A kind of two-band multipolarization Shared aperture Waveguide slot antenna Download PDFInfo
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- CN104577347B CN104577347B CN201410722902.6A CN201410722902A CN104577347B CN 104577347 B CN104577347 B CN 104577347B CN 201410722902 A CN201410722902 A CN 201410722902A CN 104577347 B CN104577347 B CN 104577347B
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Abstract
The present invention relates to a kind of two-band multipolarization Shared aperture Waveguide slot antenna.L-band vertical polarized antenna, C-band vertical polarized antenna and C-band horizontally-polarized antenna including equal length；And it is Waveguide slot antenna；C-band vertical polarized antenna and C-band horizontally-polarized antenna composition C-band double polarized antenna are located at top, and L-band vertical polarized antenna is located at bottom；The L-band vertical polarized antenna, C-band vertical polarized antenna and C-band horizontally-polarized antenna are fed in antenna wave guide tube hub by coaxial connector, and coaxial connector forms 3dB power splitters with waveguide；Realize the incentive action to L-band vertical polarized antenna, C-band vertical polarized antenna and C-band horizontally-polarized antenna.The present invention realizes multiple Waveguide slot antennas on same physics aperture area and shares, compared with two-band multipolarization micro-strip common reflector, the advantages of the antenna efficiency is high, polarization isolation is high, cross polarization is low, power capacity is big.
Description
Technical field
The invention belongs to antenna technical field, and in particular to two-band multipolarization common reflector, specifically one kind is by three
Plant the two-band multipolarization common reflector of metal radiation waveguide composition.The present invention can be used to receive, it can also be used to launch
Radio wave.In military aspect, can be used as the terminal antenna of phased array radar system.At civilian aspect, can be used as spaceborne radar
Antenna, weather radar scanner etc..
Background technology
With application and the rapid progress of demand, on the one hand, the electronic equipment for working in each frequency is more and more；It is another
Aspect, is limited by space is limited for the platform such as carrier-borne, airborne, spaceborne, to antenna volume, weight, every electricity such as efficiency
Performance indications propose more stringent requirement, particularly in radar system, the large percentage shared by antenna, therefore it is right
It carries out loss of weight, section compression, improves antenna efficiency and Integration Design is a need for.
Radar system is needed to work in each frequency range according to application background, and several radars for being typically different frequency range are put together
Required data could be obtained.If can be used in mixed way for height frequency range by a radar, in different environment and work bar
Respective advantage can be realized under part.Such as SAR radar systems, the woods are caused in low-frequency range decay and three-dimensional scattering compared with
It is few, there is good resolution ratio, target recognition and tracking function during high band.
At present, one important application trend of SAR antennas is exactly to be designed by Shared aperture, realizes the day of multiband, multipolarization
Line is on same physics bore.Multipolarization can improve information content, and multiband work can provide difference according to application needs
Scanning resolution.If these antenna is shared onto an antenna array, different frequency range not homopolarity can be given full play to
Change the information obtained during radar surveying；Common reflector not only reduces the volume and weight of antenna, has given full play to difference
The information that frequency range radar is obtained when working；Being designed by Shared aperture can fully improve the payload of system, improve the energy
Service efficiency.
The contained X-band of U.S.'s shuttle Endeavour in 2000, the band dual-polarized three wave band independences of L/C antenna it is complete
Into high-resolution global three-dimensional measurement, it is shown that antenna can bring more targets to believe under different frequency range and not same polarization
Breath.But because three independent antennas, antenna are huge and heavy, gross weight is more than 3 tons.Therefore, overcome these problems most effective
Method be exactly using antenna Shared aperture design.In past 20 years, there are many proposition dual-frequency/polarization antennas to set both at home and abroad
Meter.Can substantially be divided into 2 classes by front distributed architecture at present：（1）Perforation unit/paster scheme, punch paster/paster, ring day
The structure such as line/paster and cross paster/paster.（2）Pilotaxitic texture, such as paster and oscillator/groove interweaves, and integrated use is various
Feeding classification.
But these two-band multi-polarization antennas above-mentioned are essentially all to use micro-strip paster antenna, microband paste
The shortcoming of antenna is that cross polarization is high, the isolation between not same polarization is low, the low problem of antenna efficiency.
The content of the invention
In order to solve the weak point that above-mentioned two-band multipolarization common reflector is present, the present invention provides one kind to be made completely
Two-band multipolarization Shared aperture Waveguide slot antenna is realized with wave slot structure.
Realize that the concrete technical scheme of above-mentioned purpose is as follows：
A kind of two-band multipolarization Shared aperture Waveguide slot antenna includes L-band vertical polarized antenna, the C ripples of equal length
Section vertical polarized antenna and C-band horizontally-polarized antenna；And it is Waveguide slot antenna；The C-band vertical polarized antenna and C
Wave band horizontally-polarized antenna composition C-band double polarized antenna is located at top, and L-band vertical polarized antenna is located at bottom；The L
Wave band vertical polarized antenna, C-band vertical polarized antenna and C-band horizontally-polarized antenna are all in antenna by coaxial connector
Waveguide apex drive, coaxial connector forms 3dB power splitters with waveguide；Realize to L-band vertical polarized antenna, C-band
The incentive action of vertical polarized antenna and C-band horizontally-polarized antenna.
The structural design scheme of optimization is as follows：
The L-band vertical polarized antenna is coaxially connected by the double ridged waveguide pipe 1 and first with the first broadside radiation longitudinal joint
Connect device 7 to constitute, the top of double ridged waveguide pipe 1 is laid with four the first broadside radiation longitudinal joints 4, and the first coaxial connector 7 is located at
The bottom centre of double ridged waveguide pipe 1, forms a power splitter for T-shaped joint to realize feed；
The C-band vertical polarized antenna is made up of the vertical polarization waveguide 2 of four closed at both ends, the vertical polarization
Waveguide 2 is single ridged waveguides pipe, and the broadside center line both sides of every vertical polarization waveguide 2 are laid with the radiation of the second broadside and indulge
Seam 5；The following center of every vertical polarization waveguide 2 is provided with the second coaxial connector 8, and the second coaxial connector 8 is stretched into
The inner chamber of double ridged waveguide pipe 1, its outer conductor and medium are in contact with the bottom wall of the inner chamber of double ridged waveguide pipe 1；Second coaxial connector 8
T-shaped structure is constituted with the second feed ridge in vertical polarization waveguide 2, a 3dB power splitter is formed；
The C-band horizontally-polarized antenna is made up of the horizontal polarization waveguide 3 of four closed at both ends, the horizontal polarization
Waveguide 3 is single ridged waveguides pipe, and narrow side radiation R-joining 6 is laid with every horizontal polarization waveguide 3, and narrow side radiates R-joining 6
Connect the narrow side in both sides；The following center of every horizontal polarization waveguide 3 is provided with horizontal coaxial connector 9, four levels
Three horizontal coaxial connectors 9 in polarized wave conduit 3 stretch into the inner chamber of double ridged waveguide pipe 1, its outer conductor and medium and double ridges
The bottom wall of the inner chamber of waveguide 1 is in contact；Another horizontal coaxial connector 9 is located at the outside of double ridged waveguide pipe 1；Level is coaxially connected
Device 9 constitutes T-shaped structure with the level feed ridge of horizontal polarization waveguide 3, forms a 3dB power splitter.
Four vertical polarization waveguides 2 and four horizontal polarization waveguides 3, are staggered up and down, and vertical polarization waveguide
The top surface of pipe 2 and the bottom surface of horizontal polarization waveguide 3 form C-band double polarized antenna in same level；
The L-band vertical polarized antenna is located at C-band dual polarized antenna bottom, and four first broadsides radiate longitudinal joint
4 are located between vertical polarization waveguide 2 and horizontal polarization waveguide 3 respectively.
Advantageous Effects of the invention embody in the following areas：
1st, the present invention makes full use of and adds ridge come the physical dimension of contracting waveguide by waveguide, in same physics bore
Multiple Waveguide slot antennas are realized on area to share.Compared with two-band multipolarization micro-strip common reflector, antenna effect
The advantages of rate is high, polarization isolation is high, cross polarization is low, power capacity is big；
The efficiency of the antenna of conventional two-band multipolarization Shared aperture micro-strip form generally only 60%, three kinds in this programme
Antenna is all realized using waveguiding structure form.The advantage of radiating guide is that loss is small, and the efficiency of radiating guide can reach
75%, or even 80%.Therefore efficiency is higher than the antenna efficiency of micro-strip form.By processing test sample, this common reflector is in C ripples
The efficiency of section antenna reaches 85%, and L-band antenna efficiency reaches 80%；
The far field cross polarization of micro-strip form dual polarized antenna is general in -20dB or so.For waveguiding structure in this programme
Form L/C common reflector test results show that the far field cross polarization of C-band antenna is less than -45dB, L-band Antenna Far Field
Cross polarization is less than -35dB, and cross polarization is far below micro-strip form dual polarized antenna；
Isolation between two polarization of dual polarized antenna of conventional microstrip form only has -20 dB or so.C in this programme
Polarization isolation between band dual-polarized antenna is less than -45dB；
2nd, the present invention the upper surface of L-band antenna by the use of C-band dual polarized antenna waveguide lower wall as cover plate, do not have
Having increases extra structure, therefore compact conformation, alleviates the weight of whole antenna.The antenna of other two kinds of frequency ranges can be separated
Processing, is welded again after machining, the difficulty of processing for not having extra increase antenna；
3rd, because this common reflector is two-band multipolarization, therefore can be using Antenna Operation in different frequency range and difference
Polarization characteristic, increases the antijamming capability of antenna.Whole antenna all uses waveguiding structure in addition, it is possible to use same material comes
Make, therefore whole common reflector has the identical coefficient of expansion, can be used as satellite antenna；
4th, whole common reflector is waveguiding structure, and the bottom surface of antenna is horizontal structure, and sound construction.Therefore can
To make full use of the floor panel structure of this waveguide antenna array as supporting plate, make active equipment and antenna integrated integrated installation,
The installing plate of increase antenna that need not be extra, reduces the weight of whole system.
Brief description of the drawings
The overall appearance figure of Fig. 1 inventive antennas.
The top view of Fig. 2 inventive antennas.
The A-A sectional views of Fig. 3 inventive antennas.
Fig. 4 C-band vertical polarized antenna structural representations of the present invention.
The cooperation top view of Fig. 5 C-band vertical polarized antenna coaxial feeds of the present invention and vertical polarization waveguide 2.
The cooperation top view of Fig. 6 C-band vertical polarized antenna group battle arrays of the present invention and L-band vertical polarized antenna.
Fig. 7 C-band horizontally-polarized antenna structural representations of the present invention.
The cooperation top view of Fig. 8 C-band horizontally-polarized antenna coaxial feeds of the present invention and horizontal polarization waveguide 3.
Fig. 9 C-band horizontally-polarized antenna side views of the present invention.
Figure 10 C-band horizontally-polarized antenna group battle array schematic diagrames of the present invention.
Figure 11 common reflector waveguide feed side views of the present invention.
Figure 12 L-band vertical polarized antenna input port reflectance factor schematic diagrames of the present invention.
Figure 13 C-band vertical polarized antenna input port reflectance factor schematic diagrames of the present invention.
Figure 14 C-band horizontally-polarized antenna input port reflectance factor schematic diagrames of the present invention.
Directional diagram and its cross polarization of Figure 15 L-band vertical polarized antenna horizontal planes of the present invention and vertical plane.
Directional diagram and its cross polarization of Figure 16 C-band vertical polarized antenna horizontal planes of the present invention and vertical plane.
Directional diagram and its cross polarization of Figure 17 C-band horizontally-polarized antenna horizontal planes of the present invention and vertical plane.
Sequence number in Fig. 1-11：Double ridged waveguide pipe 1, vertical polarization waveguide 2, horizontal polarization waveguide 3, the first broadside spoke
Penetrate longitudinal joint 4, the second broadside radiation longitudinal joint 5, narrow side radiation R-joining 6, the first coaxial connector 7, the second coaxial connector 8, level
Coaxial connector 9.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is further described by embodiment.
Embodiment 1：
Referring to Fig. 1, Fig. 2, Fig. 3, a kind of two-band multipolarization Shared aperture Waveguide slot antenna includes the L-band of equal length
Vertical polarized antenna, C-band vertical polarized antenna and C-band horizontally-polarized antenna；C-band vertical polarized antenna hangs down for C-band
Straight poled waveguide slot antenna；C-band horizontally-polarized antenna is C-band horizontal polarization Waveguide slot antenna.
Referring to Fig. 6, L-band vertical polarized antenna is same by the double ridged waveguide pipe 1 and first with the first broadside radiation longitudinal joint
Mandrel connector 7 is constituted；Two ridges of double ridged waveguide pipe 1 are located at waveguide center line both sides, and the distance with center line is equal；Double ridges
The top of waveguide 1 is uniform to offer four the first broadside radiation longitudinal joints 4, and the first coaxial connector 7 is installed on double ridged waveguide pipe 1
Bottom centre, formed a power splitter for T-shaped joint come realize feed, as shown in figure 11.Referring to Fig. 3, double ridged waveguide pipe 1
Roof be provided with three raised lines of outwardly convex, between the adjacent raised line and outside of both sides raised line forms four grooves.L-band
Vertical polarized antenna it is as shown in Figure 3.
Referring to Fig. 4 and Fig. 5；C-band vertical polarized antenna is made up of the vertical polarization waveguide 2 of four closed at both ends, hangs down
Straight polarized wave conduit 2 is single ridged waveguides pipe, and referring to Fig. 4, the broadside center line both sides of every vertical polarization waveguide 2 uniformly open up
There is the second broadside to radiate longitudinal joint 5.Referring to Fig. 5, the following center of every vertical polarization waveguide 2 is provided with second and coaxially connects
Device 8 is connect, the second coaxial connector 8 stretches into the inner chamber of double ridged waveguide pipe 1, its outer conductor and medium and the inner chamber of double ridged waveguide pipe 1
Bottom wall is in contact；Second coaxial connector 8 constitutes T-shaped structure with the second feed ridge in vertical polarization waveguide 2, forms one
3dB power splitters.
Referring to Fig. 7, Fig. 8, Fig. 9 and Figure 10, C-band horizontally-polarized antenna is by four horizontal polarization waveguides of closed at both ends
3 compositions, horizontal polarization waveguide 3 is single ridged waveguides pipe, and narrow side radiation R-joining is uniformly offered on every horizontal polarization waveguide 3
6, it is narrow while radiate R-joining 6 connect both sides it is narrow while, narrow side radiation R-joining 6 is in oblique " eight " shape.Under every horizontal polarization waveguide 3
Side center is provided with horizontal coaxial connector 9；Three horizontal coaxial connectors 9 in four horizontal polarization waveguides 3 are stretched
Enter the inner chamber of double ridged waveguide pipe 1, its outer conductor and medium are in contact with the bottom wall of the inner chamber of double ridged waveguide pipe 1；Another level is same
Mandrel connector 9 is located at the outside of double ridged waveguide pipe 1；Horizontal coaxial connector 9 feeds ridge structure with the level of horizontal polarization waveguide 3
T-shaped structure, forms a 3dB power splitter.
Referring to Fig. 6, four vertical polarization waveguides 2 are arranged in parallel, and four grooves positioned at double ridged waveguide pipe 1 are corresponded to respectively
It is interior, and the top surface of four vertical polarization waveguides 2 and three top surfaces of raised line of double ridged waveguide pipe 1 are in a plane；Four
The ridge of vertical polarization waveguide 2 is identical with the direction of two vallates in the pipe of double ridged waveguide pipe 1, sees Fig. 3；
Referring to Figure 10, four horizontal polarization waveguides 3 are arranged in parallel, wherein three horizontal polarization waveguides 3 are located at respectively
Three tops of raised line of double ridged waveguide pipe 1, another horizontal polarization waveguide 3 is located at the outside of double ridged waveguide pipe 1；Referring to figure
3, four vertical polarization waveguides 2 and four horizontal polarization waveguides 3 form the structure type interlocked up and down, and vertically polarized wave
The top surface of conduit 2 and the bottom surface of horizontal polarization waveguide 3 form C-band double polarized antenna in same level；Level pole
Change waveguide 3 in ridge and double ridged waveguide pipe 1 in two vallates it is in opposite direction.The adjacent cells spacing phase of same waveguide
Deng.
Referring to Fig. 3 and Fig. 6, L-band vertical polarized antenna is located at C-band dual polarized antenna bottom, four the first broadside spokes
Longitudinal joint 4 is penetrated to be located between vertical polarization waveguide 2 and horizontal polarization waveguide 3 respectively.
First coaxial connector 7, the second coaxial connector 8 and horizontal coaxial connector 9 are preferably SMA of 50 ohm together
Mandrel connector.Second coaxial connector 8 and horizontal coaxial connector 9 of C-band double polarized antenna need to be each passed through double ridges
The inner chamber of waveguide 1 is as shown in figure 3, the inner wire of the second coaxial connector 8 and horizontal coaxial connector 9 gos deep into double ridged waveguide pipe
It is connected with the surface of waveguide cavities in 1.Connector constitutes the power splitter that T-shaped structure realizes 3dB with feed waveguide.L-band hangs down
First coaxial connector 7 of straight poliarizing antenna gos deep into being realized in double ridged waveguide pipe 1 power splitter of 3dB, as shown in figure 11.
Design parameter is as follows：
According to operating frequency range, the spatial dimension such as antenna spacescan angle determines Waveguide slot antenna unit in level
Unit spacing on face and vertical plane.In the design, radiating slot unit spacing is to occur without graing lobe as condition is limited.
The double ridged waveguide pipe 1 of above-mentioned L-band vertical polarized antenna is closed at both ends, centre feed.Referring to Fig. 6, with two ends
The first neighbouring broadside radiating slot 4 of blind end and the spacing of the blind end of double ridged waveguide pipe 1 are Lsh1=0.25.First broadside
The length of radiating slot 4 is Ls1=0.5, the center spacing of adjacent first broadside radiation longitudinal joint 4 is L1=0.5, gap width
W1 is 2mm.WhereinIt is the corresponding free space wavelength of L-band operating frequency of antenna,It is double for L-band vertical polarized antenna
The guide wavelength of ridge ripple conduit 1.Four the first broadside radiation longitudinal joints 4 are had on double ridged waveguide pipe 1.First broadside radiates longitudinal joint
4 biasing is relevant with the number in gap, because in this programme, the biasing a1 of L-band antenna slots is strictly limited in C ripples
Between the gap of section dual polarized antenna, therefore the position of L-band radiating slot is immutable.Can be by C-band dual polarization day
Multiple gaps are opened between line to adjust the resonance that admittance value realizes the first broadside radiation longitudinal joint 4.
The vertical polarization waveguide 2 of above-mentioned C-band vertical polarized antenna is equally closed at both ends, centre feed.Referring to figure
5, the distance in the second broadside radiation longitudinal joint 5 centre-to-centre spacing short circuit face at the two ends of vertical polarization waveguide 2 is Lsh2=0.25, unit
Spacing selection is L2=0.5, radiating slot length Ls2=0.5, width w2 is 2mm.WhereinIt is C-band vertical polarization day
The corresponding free space wavelength of line working frequency,It is the waveguide tube wave of the vertical polarization waveguide 2 of C-band vertical polarized antenna
It is long.16 longitudinal slots are had on vertical polarization waveguide 2.The biasing a2 of the second broadside radiation longitudinal joint 5 has with the number in gap
Close, as shown in fig. 6, general a2 takes 0~k2/2, wherein k2 is the broadside size of vertical polarization waveguide 2, as shown in Figure 5.
The horizontal polarization waveguide 3 of above-mentioned C-band horizontally-polarized antenna is equally closed at both ends, centre feed.Referring to Fig. 8
And Fig. 9, the narrow side radiation R-joining 6 neighbouring with blind end and the spacing Lsh3=0.25 in feed waveguide short circuit face, narrow side radiation is tiltedly
The unit spacing L3=0.5 of seam 6, it is narrow while radiate R-joining 6 by it is narrow while incision, a length of t=0.16, seam width w3=2mm.Wherein
It is the corresponding free space wavelength of C-band horizontally-polarized antenna working frequency,It is the horizontal polarization of C-band horizontally-polarized antenna
The guide wavelength of waveguide 3.The inclination angle in gap.The size at inclination angle has relation with the number in gap.In this example
16 inclined slots are had on horizontal polarization waveguide 3.The incline direction of adjacent slits conversely, but inclination angle is identical, incline in this example
Angle。
The physical dimension of three kinds of ridge waveguides is specifically to be located at 0.8 times of working band according to waveguide cutoff frequency in the present embodiment
Lower side frequency determine.The method is known to this professional designer.C-band vertical polarized antenna, the present embodiment is preferred
For：L5=0.26 0, L6=0.23 0, L7=0.19 0, L8=0.15 0, C-band horizontally-polarized antenna, the present embodiment is preferred
For：L15=0.3 0, L16=0.24 0, L17=0.04 0, L4=0.2 0, the unit spacing L9=0.69 of dual polarized antenna 0。
L-band vertical polarized antenna, the present embodiment is preferably：L10=0.14 0, L11=0.04 0, L12=0.09 0, L13=0.59 0, L14=0.09 0As shown in Figure 3.
Figure 12 gives the curve that the S11 parameters of L-band antenna linear array change with frequency.Figure 13 and Figure 14 sets forth
The curve that the S11 parameters of C-band vertical polarized antenna and horizontally-polarized antenna change with frequency.Figure 15, Figure 16, Figure 17 give respectively
C-band vertical polarized antenna, horizontally-polarized antenna, L-band vertical polarized antenna are gone out in horizontal plane and vertical plane and its intersection
The directional diagram of polarization.
Embodiment 2：
Referring to Fig. 1, Fig. 6, Figure 10, the two-band multipolarization common reflector battle array of L-band and C-band is worked in.L-band day
Line is made up of the Waveguide slot antenna linear array of Unit 1 × 4.C-band dual polarized antenna is respectively by a ripple for Unit 4 × 16
Slot array is led, antenna array is made up of 4 C-band Waveguide slot linear arrays.Each unit linear array is made up of 16 gaps.L ripples
The waveguide of section antenna is located at the lower section of C-band dual polarized antenna waveguide.The spacing of L-band antenna slots is L1=in the present embodiment
0.5As shown in Figure 6.Unit spacing Ld2=0.7 between C-band vertical polarized antenna linear arrayAs shown in fig. 6, C-band water
Unit spacing Ld3=0.7 between flat poliarizing antenna linear arrayAs shown in Figure 10, this submatrix is connected with T/R components, is aided with electricity
Source, ripple control and mounting structure etc. can be extended to the active phase array antenna of large-scale Subarray.
The other the same as in Example 1.
Above content is to combine specific preferred embodiment to elaborate the present invention, it is impossible to assert present invention tool
Body is implemented to be only limitted to these explanations.For the technical staff of technical field that the present invention belongs to, present inventive concept is not being departed from
Under the premise of, some simple deductions and replacement can also be made, such as encourage work(aperture gap to carry out by other feeding classifications
Radiation, should all be considered as belonging to the invention protection domain that the claims of the present invention by being submitted to determine.
Claims (5)
1. a kind of two-band multipolarization Shared aperture Waveguide slot antenna, it is characterised in that：The vertical pole of L-band including equal length
Change antenna, C-band vertical polarized antenna and C-band horizontally-polarized antenna；And it is Waveguide slot antenna；The C-band is vertical
Poliarizing antenna and C-band horizontally-polarized antenna composition C-band double polarized antenna are located at top, L-band vertical polarized antenna position
In bottom；The L-band vertical polarized antenna, C-band vertical polarized antenna and C-band horizontally-polarized antenna are all by coaxial
Connector feeds in antenna wave guide tube hub, and coaxial connector forms 3dB power splitters with waveguide；Realize to the vertical pole of L-band
Change the incentive action of antenna, C-band vertical polarized antenna and C-band horizontally-polarized antenna；
The L-band vertical polarized antenna is coaxially connected by the double ridged waveguide pipe (1) with the first broadside radiation longitudinal joint and first
Device (7) is constituted, and four the first broadsides is laid with the top of double ridged waveguide pipe (1) and radiates longitudinal joint (4), the first coaxial connector
(7) located at the bottom centre of double ridged waveguide pipe (1), form a power splitter for T-shaped joint to realize feed；
The C-band vertical polarized antenna is made up of the vertical polarization waveguide (2) of four closed at both ends, the vertically polarized wave
Conduit (2) is single ridged waveguides pipe, and the broadside center line both sides of every vertical polarization waveguide (2) are laid with the radiation of the second broadside
Longitudinal joint (5)；The following center of every vertical polarization waveguide (2) is provided with the second coaxial connector (8), and second is coaxially connected
Device (8) stretches into the inner chamber of double ridged waveguide pipe (1), and its outer conductor and medium are in contact with the bottom wall of double ridged waveguide pipe (1) inner chamber；The
Two coaxial connectors (8) constitute T-shaped structure with the second feed ridge in vertical polarization waveguide (2), form a 3dB work(point
Device；
The C-band horizontally-polarized antenna is made up of the horizontal polarization waveguide (3) of four closed at both ends, the horizontal polarized wave
Conduit (3) is single ridged waveguides pipe, narrow side is laid with every horizontal polarization waveguide (3) and radiates R-joining (6), and narrow side radiation is oblique
Seam (6) connects the narrow side in both sides；The following center of every horizontal polarization waveguide (3) is provided with horizontal coaxial connector (9),
Three horizontal coaxial connectors (9) in four horizontal polarization waveguides (3) stretch into the inner chamber of double ridged waveguide pipe (1), are led outside it
Body and medium are in contact with the bottom wall of double ridged waveguide pipe (1) inner chamber；Another horizontal coaxial connector (9) is positioned at double ridged waveguide pipe
(1) outside；Horizontal coaxial connector (9) constitutes T-shaped structure with the level feed ridge of horizontal polarization waveguide (3), forms one
Individual 3dB power splitters；
Four vertical polarization waveguides (2) and four horizontal polarization waveguides (3), are staggered up and down, and vertical polarization
The top surface of waveguide (2) and the bottom surface of horizontal polarization waveguide (3) form C-band double polarized antenna in same level；
The L-band vertical polarized antenna is located at C-band dual polarized antenna bottom, and four first broadsides radiate longitudinal joint (4)
It is located between vertical polarization waveguide (2) and horizontal polarization waveguide (3) respectively.
2. a kind of two-band multipolarization Shared aperture Waveguide slot antenna according to claim 1, it is characterised in that：It is described double
The roof of ridge ripple conduit (1) is provided with three raised lines of outwardly convex, and the outside between adjacent raised line with both sides raised line forms four
Bar groove；
Four vertical polarization waveguides (2) are arranged in parallel, correspond in four grooves of double ridged waveguide pipe (1) respectively,
And the top surface of four vertical polarization waveguides (2) and three top surfaces of raised line of double ridged waveguide pipe (1) are in a plane；Four
The ridge of vertical polarization waveguide (2) is identical with the direction of two vallates in double ridged waveguide pipe (1) pipe；
Four horizontal polarization waveguides (3) are arranged in parallel, wherein three horizontal polarization waveguides (3) are located at double ridge ripples respectively
Three tops of raised line of conduit (1), outside of another horizontal polarization waveguide (3) positioned at double ridged waveguide pipe (1)；Four hang down
Straight polarized wave conduit (2) and four horizontal polarization waveguides (3) form the structure type interlocked up and down；Horizontal polarization waveguide
(3) two vallates in ridge and double ridged waveguide pipe (1) in it is in opposite direction.
3. a kind of two-band multipolarization Shared aperture Waveguide slot antenna according to claim 1, it is characterised in that：It is described double
The cross section of two vallates is rectangle in ridge ripple conduit (1), and ridge L12 high is 0.09 λ0, ridge L11 wide is 0.14 λ0；Outside two vallates
The two side of lateral extent double ridged waveguide pipe (1) is 0.14 λ apart from L100；The length of first broadside radiation longitudinal joint (4)
Ls1 is 0.5 λ0, Lsh1 is 0.25 λg, (4) two slit centers spacing L1 of the first broadside radiation longitudinal joint are 0.5 λg, the first broadside
The width w1 of radiation longitudinal joint (4) is 2mm；Wherein λ0It is the corresponding free space wavelength of L-band operating frequency of antenna, λgIt is L-band
The guide wavelength of antenna double ridged waveguide pipe (1).
4. a kind of two-band multipolarization Shared aperture Waveguide slot antenna according to claim 1, it is characterised in that：It is described to hang down
The height L6 of straight polarized wave conduit (2) is 0.23 λ0, width L5 is 0.26 λ0；The height L7 of its ridge is 0.19 λ0, the width L8 of ridge
It is 0.15 λ0；The seam Ls2 long of second broadside radiation longitudinal joint (5) is 0.5 λ0, seam width w2 is 2mm, the spacing between adjacent seam
L2 is 0.5 λg, the midpoint and vertical polarization waveguide (2) short circuit face of adjacent with blind end the second broadside radiation longitudinal joint (5) it
Between spacing Lsh2 be 0.25 λg；The λ0Corresponding free space wavelength, λ when being worked for C-band vertical polarized antennagIt is C ripples
The waveguide wavelength of section antennas orthogonal polarized wave conduit (2).
5. a kind of two-band multipolarization Shared aperture Waveguide slot antenna according to claim 1, it is characterised in that：The water
The height L16 of mean pole waveguide (3) is 0.24 λ0, width L15 is 0.3 λ0；The height L4 of its ridge is 0.2 λ0, the width of ridge
L17 is 0.04 λ0；Between the midpoint and horizontal polarization waveguide (3) short circuit face on narrow side radiation R-joining (6) adjacent with blind end
Spacing Lsh3 be 0.25 λg, the spacing L3 that adjacent narrow edge radiates between R-joining (6) is 0.69 λ0, narrow side radiates R-joining (6) by narrow
Side incision, length t is 0.16 λ0, the width w3 of narrow side radiation R-joining (6) is 1mm；The λ0It is C-band horizontally-polarized antenna work
Corresponding free space wavelength, λ when makinggIt is the waveguide wavelength of C-band antenna horizontal polarization waveguide (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410722902.6A CN104577347B (en) | 2014-12-03 | 2014-12-03 | A kind of two-band multipolarization Shared aperture Waveguide slot antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410722902.6A CN104577347B (en) | 2014-12-03 | 2014-12-03 | A kind of two-band multipolarization Shared aperture Waveguide slot antenna |
Publications (2)
| Publication Number | Publication Date |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016172957A1 (en) * | 2015-04-30 | 2016-11-03 | 华为技术有限公司 | Dual-frequency co-aperture array antenna and communications device |
| CN104901001B (en) * | 2015-05-19 | 2018-05-18 | 安徽四创电子股份有限公司 | Ridge waveguide biases slot coupling micro-strip oscillator dual polarized antenna |
| CN105762522A (en) * | 2016-04-08 | 2016-07-13 | 东南大学 | Grating slit earth capacitor-loaded stepped impedance tri-polarization slot antenna |
| CN105846093A (en) * | 2016-04-08 | 2016-08-10 | 东南大学 | Gate slot ground capacitive loading stepped-impedance tri-polarized semi-slot antenna |
| CN106207462B (en) * | 2016-08-30 | 2019-05-03 | 中国电子科技集团公司第三十八研究所 | Mechanical, electrical and heating integrated phased array antenna module |
| CN107643522B (en) * | 2017-09-19 | 2020-07-07 | 中国电子科技集团公司第三十八研究所 | Dual-band dual-polarization satellite-borne cloud and rain measurement radar system |
| CN108539437B (en) * | 2018-03-26 | 2021-01-01 | 中国科学院电子学研究所 | Dual-frequency dual-polarization common-caliber waveguide slot array antenna |
| CN108321553B (en) * | 2018-04-02 | 2024-03-19 | 广东纳睿雷达科技股份有限公司 | Dual polarized waveguide split array antenna |
| CN109713455B (en) * | 2018-12-20 | 2020-07-24 | 中国电子科技集团公司第三十八研究所 | Dual-frequency common-caliber waveguide slot antenna |
| CN110867644B (en) * | 2019-11-11 | 2021-01-19 | 中国电子科技集团公司第十四研究所 | Dual-band multi-polarization common-caliber coaxial waveguide slot antenna |
| CN113285215B (en) * | 2021-05-20 | 2023-07-25 | 中国电子科技集团公司第十四研究所 | Broadband dual-polarized waveguide slot antenna unit |
| CN113922061B (en) * | 2021-10-12 | 2024-02-20 | 上海无线电设备研究所 | Co-aperture co-polarized dual-frequency waveguide slot antenna |
| CN116938276B (en) * | 2023-09-14 | 2023-12-22 | 成都锐芯盛通电子科技有限公司 | Dual-polarized multi-channel phased array SIP module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6795020B2 (en) * | 2002-01-24 | 2004-09-21 | Ball Aerospace And Technologies Corp. | Dual band coplanar microstrip interlaced array |
| CN101944657A (en) * | 2010-07-23 | 2011-01-12 | 中国电子科技集团公司第五十四研究所 | Combined dual-linearly-polarized array antenna |
| CN102394379A (en) * | 2011-06-21 | 2012-03-28 | 中国兵器工业第二○六研究所 | Dual-band co-aperture flat array antenna |
| CN202495574U (en) * | 2011-11-25 | 2012-10-17 | 中国电子科技集团公司第三十八研究所 | Ridge wavelength broad-side 'V' shaped slot antenna |
| CN204333274U (en) * | 2014-12-03 | 2015-05-13 | 中国电子科技集团公司第三十八研究所 | A kind of two-band multipolarization Shared aperture Waveguide slot antenna |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2230832Y (en) * | 1995-08-30 | 1996-07-10 | 谢平国 | Water supplier |
| CN2702459Y (en) * | 2004-04-26 | 2005-05-25 | 杨华 | 2.4G waveguide gap omnidirectional horizontal polarization antenna |
| CN200997450Y (en) * | 2006-12-30 | 2007-12-26 | 中国电子科技集团公司第三十八研究所 | Wide-edge longitudinal-gap standing-wave antenna of wideband mono-ridge waveguide |
| CN101005162A (en) * | 2007-01-16 | 2007-07-25 | 北京海域天华通讯设备有限公司 | Ku band oblique wave beam antenna |
| CN201134509Y (en) * | 2007-10-31 | 2008-10-15 | 中国电子科技集团公司第三十八研究所 | Wideband double L shaped waveguide narrow rim gap array antenna |
| CN101174726B (en) * | 2007-12-03 | 2012-08-01 | 中国科学院光电技术研究所 | Preparation method of high-gain plough groove waveguide gap array microwave antenna |
| CN201397880Y (en) * | 2009-05-22 | 2010-02-03 | 中国电子科技集团公司第三十八研究所 | Wave-guide slot array in frequency-selective wideband |
| CN101697381B (en) * | 2009-10-23 | 2013-01-30 | 中国电子科技集团公司第三十八研究所 | Antenna of ridge waveguide inclined slot pairs |
-
2014
- 2014-12-03 CN CN201410722902.6A patent/CN104577347B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6795020B2 (en) * | 2002-01-24 | 2004-09-21 | Ball Aerospace And Technologies Corp. | Dual band coplanar microstrip interlaced array |
| CN101944657A (en) * | 2010-07-23 | 2011-01-12 | 中国电子科技集团公司第五十四研究所 | Combined dual-linearly-polarized array antenna |
| CN102394379A (en) * | 2011-06-21 | 2012-03-28 | 中国兵器工业第二○六研究所 | Dual-band co-aperture flat array antenna |
| CN202495574U (en) * | 2011-11-25 | 2012-10-17 | 中国电子科技集团公司第三十八研究所 | Ridge wavelength broad-side 'V' shaped slot antenna |
| CN204333274U (en) * | 2014-12-03 | 2015-05-13 | 中国电子科技集团公司第三十八研究所 | A kind of two-band multipolarization Shared aperture Waveguide slot antenna |
Non-Patent Citations (1)
| Title |
|---|
| "星载某雷达双极化波导缝隙天线结构设计及工艺实现";倪华昌;《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》;20140715(第07期);第8-15页及图2.6-2.15 * |
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