CN100396141C - Dual-channel radio monitoring and correlation interference direction-finding fixed station system - Google Patents
Dual-channel radio monitoring and correlation interference direction-finding fixed station system Download PDFInfo
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- CN100396141C CN100396141C CNB2006100882924A CN200610088292A CN100396141C CN 100396141 C CN100396141 C CN 100396141C CN B2006100882924 A CNB2006100882924 A CN B2006100882924A CN 200610088292 A CN200610088292 A CN 200610088292A CN 100396141 C CN100396141 C CN 100396141C
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/20—Countermeasures against jamming
- H04K3/22—Countermeasures against jamming including jamming detection and monitoring
Abstract
The present invention relates to a double-information channel radio monitoring and correlation interference direction-finding fixed station system, which comprises a direction-finding antenna array of a vertical polarization big base interferometer, high end and lower end electric screwing switches, a power distributor, a first antenna selector, a three-function RF amplifier, a double-information channel monitoring direction-finding receiver, a digital intermediate frequency phase detector, a monitoring direction-finding processing unit, an industrial control computer, a lower end vertical polarization monitoring antenna, a high end vertical polarization monitoring antenna, a second antenna selector, a monitoring/direction-finding selector, a battery pack or commercial power, a UPS, an environmental monitoring and remote-controlling power supply unit, a concentrator and a network. The double-information channel radio monitoring and correlation interference direction-finding fixed station system has the advantages that a pair of antenna elements simultaneously sample, and synchronous effect, rapidness and precision are ensured; the amplifier with the functions of amplification, direct connection and attenuation can automatically switch and enlarge the range of the application of the dynamic state of receiving signals; the double-information channel monitoring direction-finding receiver can carry out the process of monitoring and finding direction in share time, and the unnecessary process of finding the direction can be converted into the process of radio monitoring; precision, sensitivity and performance-price ratio are high, and interference resisting capability is strong.
Description
Technical field
What the present invention relates to is dual-channel radio monitoring and correlation interference direction-finding fixed station system, belongs to the array signal digital processing direction finding technology field in the communication technology.
Background technology
In radio spectrum management, the monitoring amount is often big than direction finding workload, special-purpose direction-finding receiver was left unused in the most of the time, according to the real work needs, but not only can monitor but also the double-channel receiver of direction finding by apolegamy, cooperate double-channel correlation interferometer direction-finding system, can be under the situation that does not reduce direction finding precision and speed, improve systemic price ratio, meet consumers' demand.
Summary of the invention
The objective of the invention is at the characteristics that quilt leaves unused in the most of the time of direction-finding receiver in the practical work, propose with a kind of double-channel monitoring and direction-finding receiver, cooperate double-channel correlation interferometer direction-finding system, system still can carry out the double-channel correlation interferometer direction-finding when the needs direction finding, when not needing direction finding, then transfer radio monitoring to.Further optimization system improves the cost performance of system, thereby under the situation that does not reduce direction finding precision and speed, realizes the radiocommunication signals of vertically polarized wave is monitored monitoring, direction finding location.
Technical solution of the present invention: its structure comprises the big basic interferometer direction finding antenna array of perpendicular polarization, high, the low side electricity pass of outwarding winding, power divider, first antenna selector, three function RF amplifiers, double-channel monitoring and direction-finding receiver, the digital intermediate frequency phase discriminator, the monitoring and direction-finding processing unit, industrial control computer, low side perpendicular polarization monitoring aerial, high-end perpendicular polarization monitoring aerial, second antenna selector, monitoring/direction finding selector, battery pack or civil power, UPS, environmental monitoring and remote circuit unit, hub, network.
Described monitoring and direction-finding receiver is used for radio monitoring and double-channel correlation interferometer direction-finding, but radio monitoring and direction finding are carried out in timesharing.
Advantage of the present invention: adopt the big basic direction estimation antenna array of wide aperture, solved the mutual coupling problem between each bay well, got rid of coupling and phase ambiguity between element antenna.Adopt the passive direction finding antenna, can avoid causing the distortion of correlation interferometer direction-finding antenna space phase characteristic curve because of the linear distortion of activated amplifier.Adopt the correlation interferometer direction-finding system, a pair of antenna element is sampled simultaneously, guarantees synchronous, quick, accurate.Adopted have amplification, the amplifier of straight-through, three kinds of functions of decay, can automatically switch, enlarged the dynamic application scope of received signal, particularly when receiving strong signal, be not easy to produce obstruction because of signal is saturated.Adopt double-channel monitoring and direction-finding receiver, monitoring and direction finding can be carried out in timesharing, when not needing direction finding, can transfer radio monitoring to.The system accuracy height, sensitivity is good, cost performance is high, antijamming capability is strong.
Description of drawings
Accompanying drawing 1 is an embodiment of the invention electricity theory diagram.
Accompanying drawing 3 three function RF amplifiers electricity theory diagram
Accompanying drawing 4 is that high and low end electricity is outwarded winding and closed electric principle schematic (outward winding with one group of electricity to close be example).
Accompanying drawing 5 is that power divider is the structured flowchart of example with the 1:2 distributor.
Accompanying drawing 6 is structured flowcharts of environmental monitoring and remote circuit unit.
Accompanying drawing 7 is software control system flow charts of the present invention.
Among the figure 1 is big basic interferometer direction finding antenna array (perpendicular polarization), the 2nd, high, the low side electricity pass of outwarding winding, the 3rd, power divider, 4 is first antenna selectors, 5 is three function RF amplifiers, the 6th, double-channel monitoring and direction-finding receiver, the 7th, the digital intermediate frequency phase discriminator, the 8th, the monitoring and direction-finding processing unit, the 9th, industrial control computer, the 10th, low side perpendicular polarization monitoring aerial, 11 high-end perpendicular polarization monitoring aerials, 12 is second antenna selectors, the 13rd, monitoring/direction finding selector, the 14th, battery pack or civil power, the 15th, UPS, the 16th, environmental monitoring and remote circuit unit, the 17th, hub, the 18th, network.The 19th, lightning rod, 20 is that five unit perpendicular polarization passive direction finding antenna array: 1350MHz-3000MHz, 21 are that five unit perpendicular polarization passive direction finding antenna array: 500MHz-1350MHz, 22 are that five unit perpendicular polarization passive direction finding antenna array: 160MHz-500MHz, 23 are five unit perpendicular polarization passive direction finding antenna array: 20MHz-160MHz.R
1, R
2, R
3Be resistance, C
1, C
2, C
3Be electric capacity, D
1-12Be that diode, V1-V7 are the voltage of monitoring and direction-finding controller output; The flow chart of software control system comprises monitoring and direction-finding service routine (dfNetServer) direction finding flow process and monitoring and direction-finding service routine (dfNetServer) operational process.
Embodiment
Annexation between them: first output of the big basic interferometer direction finding antenna array 1 of perpendicular polarization is with high, the low side electricity is outwarded winding and is closed 2 first input end and join, high, the outward winding input of closing 2 output/go into end and power divider 3/go out to hold corresponding joining of low side electricity, high, the low side electricity is outwarded winding and is closed 2 first output and the first input end of first antenna selector 4 joins, the first input end of first output of first antenna selector 4 and three function RF amplifiers 5 joins, the first input end of the output of three function RF amplifiers 5 and double-channel monitoring and direction-finding receiver 6 joins, first of double-channel monitoring and direction-finding receiver 6, first of second output and digital intermediate frequency phase discriminator 7, the second input correspondence is joined; The 3rd output of double-channel monitoring and direction-finding receiver 6 and the first input end of power divider 3 join, the first input end of the output of digital intermediate frequency phase discriminator 7 and industrial control computer 9 joins, second, third input of industrial control computer 9 joins with first output of UPS15, environmental monitoring and remote circuit unit 16 respectively, and first, second, third of industrial control computer 9 imports/goes out end and export with first of double-channel monitoring and direction-finding receiver 6, monitoring and direction-finding processing unit 8, hub 17 respectively/goes into to hold corresponding joining; The first, second, third, fourth, the 5th, the 6th output of monitoring and direction-finding processing unit 8 respectively with second input of power divider 3, second input of first antenna selector 4, second input of three function RF amplifiers 5, second input of double-channel direction-finding receiver 6, the 3rd input of second antenna selector 12, corresponding the joining of second input of monitoring/direction finding selector 13; The output of low side perpendicular polarization monitoring aerial 10, high-end perpendicular polarization monitoring aerial 11 respectively with corresponding joining of first, second input of second antenna selector 12; The 3rd input of the output of second antenna selector 12 and monitoring/direction finding selector 13 joins and connects; The first input end of second output of first antenna selector 4 and monitoring/direction finding selector 13 joins; Battery pack or civil power 14 are connected in series with UPS15, and the input of second output of UPS15 and environmental monitoring and remote circuit unit 16 joins, the output of environmental monitoring and remote circuit unit 16/go into to hold to import with second of hub 17/go out to hold corresponding joining; The 3rd of hub 17 imports/go out the output of end and network 18/go into to hold corresponding joining.
The big basic interferometer direction finding antenna array 1 of described perpendicular polarization, be divided into four layers of arrangement (corresponding four frequency ranges), arrange along short transverse, every layer by five pairs of passive vertical dipole antennas composition circular array, whole direction estimation antenna array has 20 antenna oscillators, is used for received signal.Orlop is 20MHz～160MHz wave band, 3.0 meters of array maximum gauges, and the unit dipole is the longest 1.8 meters; Be 160MHz～500MHz wave band thereon, array diameter and dipole length all dwindle to some extent; Up be 500MHz～1350MHz wave band again, array diameter and dipole length further dwindle; The superiors are 1350MHz～3000MHz wave bands, and array diameter and dipole length dwindle again.Antenna impedance is 50 Ω.
High and low end electricity is outwarded winding, and to close 2 be to be divided into the low side electricity according to frequency range to outward winding and close unit and the high-end electricity unit, pass of outwarding winding.It is subjected to the control and the power supply of monitoring and direction-finding processor 8.
Its low and middle-end electricity operating frequency of closing unit (model is ANS 017L) of outwarding winding is 20MHz～1350MHz, it is equivalent to a high frequency electronic switch, it has 15 signal input parts, 2 signal output parts, 1 control/power supply port, 1 self-correcting signal input part and 1 self-correcting signal output part, its controlled certain two paths of signals passage (being divided into main road, bypass) and self-correcting signalling channel of getting through simultaneously.
The high-end electricity operating frequency of closing the unit of outwarding winding is 1350MHz～3000MHz, model is ANS 018L, it also is a high frequency electronic switch, it has 5 signal input parts, 2 signal output parts, 1 control/power supply port, 1 self-correcting signal input part, its controlled certain two paths of signals passage (being divided into main road, bypass) and self-correcting signalling channel of getting through simultaneously.Its operation principle: when control voltage V1, V2 power up diode D
1-3During conducting, just can pass to node A, when control voltage V2, V3 power up diode D from the signal that can move perpendicular polarization correlation interferometer direction-finding antenna array 1
4-6During conducting, the self-correcting signal just can pass to node A, when control voltage V4, V5 power up diode D
7-9During conducting, the signal of node A just can be exported from main road; When control voltage V6, V7 power up diode D
10-12During conducting, the signal of node A just can be exported (as shown in Figure 4) from auxiliary route;
First antenna selector 4 is 4:2 selectors, is used for outwarding winding from high-end electricity closing and the outward winding major-minor signal of 2 couple that closes output of low side electricity is chosen 1 pair of major-minor signal and exported.It has 4 inputs, 2 outputs and 1 control/feeder ear.Export one tunnel main signal to three function RF amplifiers 5, the auxilliary signal in another road is delivered to monitoring/direction finding selector 13.
This three function amplifier is made up of first high frequency relay, second high frequency relay, amplifying circuit, attenuator circuit and power supply, the amplifier tube (model ERA-51SM) in high frequency relay (model RF303-12), the amplifier.+ 12V power supply is added to respectively on first high frequency relay and second high frequency relay by software control.When first high frequency relay powers up, and second high frequency relay is not when powering up, and input signal obtains linear amplification behind amplifying circuit, again the second straight-through part output through high frequency relay.Be " amplification ".When first high frequency relay does not power up, and second high frequency relay is when powering up, and input signal arrives the attenuator circuit of second high frequency relay after the straight-through part of first high frequency relay, output after decaying.Be " decay ".When first high frequency relay and second high frequency relay did not power up, input signal was through the straight-through part output of first high frequency relay and second high frequency relay.Be " leading directly to ".So this amplifier has " lead directly to, amplify, decay " three functions.
Double-channel monitoring and direction-finding receiver 6 has monitoring and direction finding dual-use function.When the needs direction finding, two channels are worked simultaneously, to carrying out frequency conversion, demodulation, decoding from the main path signal of three function amplifiers 5 with from the bypass signal of monitoring/direction finding selector, output comprises the two-way intermediate-freuqncy signal of signal phase and amplitude characteristic, arrive 7 processing of digital intermediate frequency phase discriminator again; When not needing direction finding, one of them channel promptly transfers monitoring to and uses, monitoring aerial signal from monitoring/direction finding selector is handled (can monitor measurement to the signal of different frequency domains, modulation domain, time domain), output comprises information such as signal frequency, amplitude, frequency deviation, percentage modulation bandwidth, level, spectral image, and it is by RS232 interface and computer communication.Select the RR510A double-channel monitoring and direction-finding receiver of Japanese Anritsu company in the present embodiment for use.Its local vibration source of two channel sharings, phase equalization is good, thereby has guaranteed the high accuracy of correlation interferometer direction-finding system, and system sensitivity is very high, reliable and stable.
The major function of digital intermediate frequency phase discriminator 7 is that detection goes out the phase information in the signal phasor voltage, it (has two kinds of model: PSCQ-2-0.455 and PSCQ-2-21.4 by analog multiplier (model MC1596L), phase shifter, be respectively applied for 455KHz intermediate frequency and 21.4MHz intermediate-freuqncy signal handled) and amplifying circuit compositions such as (amplifier tube model wherein are C157C), intermediate-freuqncy signal from receiver is handled the phase information of output signal.Convert digital signal to by modulus (A/D) conversion again and offer computer.
Monitoring and direction-finding processor 8 (model is DFC 050L) is system's each several part control drive unit and dc power supply unit.Processor is by serial port and industrial control computer 9 (ADVANTECHIPC-610) communication, accept the control command of computer, to high and low end electricity outward winding close 2 and power divider 3, first selector 4, three function RF amplifiers 5, monitoring and direction-finding receiver 6, second antenna selector 12, monitoring/direction finding selector 13 etc. control, system is monitored and direction finding radio signal according to software program.
Industrial control computer 9 (ADVANTECH IPC-610) is the carrier as application software, except executive program (comprise storage, print), also lot of data, audio frequency, video etc. are handled, it is by carrying out complicated statistic algorithm (as auto-correlation algorithm, phase detection algorithm, HILBERT conversion, fft algorithm) to the information data of a large amount of collections, thereby draws the orientation of signal.It has that the speed of service is fast, capacity is big, reliable and stable, can expand, characteristics such as anti-seismic performance is good.
Low side perpendicular polarization monitoring aerial 10 and high-end perpendicular polarization monitoring aerial 11 are the passive omnidirectional antenna of direction-free bipyramid in horizontal plane, and the low side operating frequency is 20MHz～700MHz, and high-end operating frequency is 500MHz～3000MHz.Input impedance: 50 Ω, the interface pattern is a N type socket.The low side antenna size is: diameter 1732mm; Height 1223mm.High-end antenna size is: diameter 250mm; Height 370mm.
Monitoring/direction finding selector 13, it also is a kind of 2:1 selector, it is therefrom chosen 1 road signal (monitoring or direction-finding signal) and sends in the double-channel monitoring and direction-finding receiver selecting from the direction finding bypass signal of first antenna selector with from the monitoring aerial signal of second antenna selector.It has 2 signal input parts, 1 signal output part, 1 control end.
Battery pack or civil power 14 comprise civil power 220VAC and batteries (8 joint 12V100AH).
UPS 15 is a uninterrupted power supply, and model is that APC 2200VA is online.
Claims (10)
1. dual-channel radio monitoring and correlation interference direction-finding fixed station system, first output that it is characterized in that the big basic interferometer direction finding antenna array of perpendicular polarization is with high, the low side electricity first input end that closes of outwarding winding joins, high, the outward winding input of the output of closing/go into end and power divider/go out to hold corresponding joining of low side electricity, high, outward winding first output that closes and the first input end of first antenna selector of low side electricity joins, the first input end of first output of first antenna selector and three function RF amplifiers joins, the first input end of the output of three function RF amplifiers and double-channel monitoring and direction-finding receiver joins, first of double-channel monitoring and direction-finding receiver, first of second output and digital intermediate frequency phase discriminator, the second input correspondence is joined; The 3rd output of double-channel monitoring and direction-finding receiver and the first input end of power divider join, the output of digital intermediate frequency phase discriminator and the first input end of industrial control computer join, second, third input of industrial control computer joins with first output of UPS, environmental monitoring and remote circuit unit respectively, and first, second, third of industrial control computer imports/goes out end and export with first of double-channel monitoring and direction-finding receiver, monitoring and direction-finding processing unit, hub respectively/goes into to hold corresponding joining; The first, second, third, fourth, the 5th, the 6th output of monitoring and direction-finding processing unit respectively with second input of power divider, second input of first antenna selector, second input of three function RF amplifiers, second input of double-channel direction-finding receiver, the 3rd input of second antenna selector, corresponding the joining of second input of monitoring/direction finding selector; The output of low side perpendicular polarization monitoring aerial, high-end perpendicular polarization monitoring aerial respectively with corresponding joining of first, second input of second antenna selector; The 3rd input of the output of second antenna selector and monitoring/direction finding selector joins and connects; The first input end of second output of first antenna selector and monitoring/direction finding selector joins; Battery pack or civil power are connected in series with UPS, and the input of second output of UPS and environmental monitoring and remote circuit unit joins, the output of environmental monitoring and remote circuit unit/go into to hold to import with second of hub/go out to hold corresponding joining; The 3rd of hub imports/go out the output of end and network/go into to hold corresponding joining.
2. dual-channel radio monitoring according to claim 1 and correlation interference direction-finding fixed station system, it is characterized in that the big basic interferometer direction finding antenna array of described perpendicular polarization (1), be divided into four layers of arrangement, corresponding four frequency ranges, arrange along short transverse, every layer by five pairs of passive vertical dipole antennas composition circular array, whole direction estimation antenna array has 20 antenna oscillators, be used for received signal, orlop is 20MHz～160MHz wave band, 3.0 meters of array maximum gauges, the unit dipole is the longest 1.8 meters; Be 160MHz～500MHz wave band thereon, array diameter and dipole length all dwindle to some extent; Up be 500MHz～1350MHz wave band again, array diameter and dipole length further dwindle; The superiors are 1350MHz～3000MHz wave bands, and array diameter and dipole length dwindle again, and antenna impedance is 50 Ω.
3. dual-channel radio monitoring according to claim 1 and correlation interference direction-finding fixed station system, it is characterized in that the high and low end electricity pass (2) of outwarding winding is to be divided into the low side electricity according to frequency range to outward winding and close unit and the high-end electricity unit, pass of outwarding winding, its low and middle-end electricity operating frequency of closing the unit of outwarding winding is 20MHz～1350MHz, it is equivalent to a high frequency electronic switch, and it has 15 signal input parts, 2 signal output parts, 1 control/power supply port, 1 self-correcting signal input part and 1 self-correcting signal output part; The high-end electricity operating frequency of closing the unit of outwarding winding is 1350MHz～3000MHz, and it has 5 signal input parts, 2 signal output parts, 1 control/power supply port, 1 self-correcting signal input part.
4. dual-channel radio monitoring according to claim 1 and correlation interference direction-finding fixed station system is characterized in that the power divider structure comprises ALL 050L 1:2+1:5 power divider and ALL051L 1:5 power divider two parts.
5. dual-channel radio monitoring according to claim 1 and correlation interference direction-finding fixed station system is characterized in that first antenna selector (4) is a 4:2 selector, and 4 inputs, 2 outputs and 1 control/feeder ear are arranged.
6. dual-channel radio monitoring according to claim 1 and correlation interference direction-finding fixed station system, it is characterized in that three function RF amplifiers, operating frequency is 20MHz～3000MHz, is made up of first high frequency relay, second high frequency relay, amplifying circuit, attenuator circuit and power supply.
7. dual-channel radio monitoring according to claim 1 and correlation interference direction-finding fixed station system is characterized in that the digital intermediate frequency phase discriminator comprises analog multiplier, phase shifter and amplifying circuit.
8. dual-channel radio monitoring according to claim 1 and correlation interference direction-finding fixed station system, it is characterized in that low side perpendicular polarization monitoring aerial and high-end perpendicular polarization monitoring aerial are the passive omnidirectional antenna of direction-free bipyramid in horizontal plane, the low side operating frequency is 20MHz～700MHz, high-end operating frequency is 500MHz～3000MHz, input impedance: 50 Ω, the interface pattern is a N type socket, and the low side antenna size is: diameter 1732mm; Height 1223mm, high-end antenna size is: diameter 250mm; Height 370mm.
9. dual-channel radio monitoring according to claim 1 and correlation interference direction-finding fixed station system is characterized in that second antenna selector is a kind of 2:1 selector, and it has 2 signal input parts, 1 signal output part, 1 control end.
10. dual-channel radio monitoring according to claim 1 and correlation interference direction-finding fixed station system is characterized in that monitoring/direction finding selector, are a kind of 2:1 selectors, and it has 2 signal input parts, 1 signal output part, 1 control end.
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| CNB2006100882924A CN100396141C (en) | 2006-07-10 | 2006-07-10 | Dual-channel radio monitoring and correlation interference direction-finding fixed station system |
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| CNB2006100882924A CN100396141C (en) | 2006-07-10 | 2006-07-10 | Dual-channel radio monitoring and correlation interference direction-finding fixed station system |
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| CN1878379A CN1878379A (en) | 2006-12-13 |
| CN100396141C true CN100396141C (en) | 2008-06-18 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101363889B (en) * | 2008-09-10 | 2011-05-25 | 俞惟铨 | Small-sized embedded radio monitoring and direction-finding station system |
| CN105099577B (en) * | 2015-06-11 | 2018-05-04 | 中国电子科技集团公司第三十六研究所 | A kind of radio monitoring equipment and wireless monitoring method, device |
Citations (5)
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|---|---|---|---|---|
| CN2161024Y (en) * | 1993-05-17 | 1994-04-06 | 刘原 | Integrated console for radio monitoring |
| US5956648A (en) * | 1997-03-12 | 1999-09-21 | G/Tracker Technologies Llc | Trunked radio monitoring system |
| CN1471194A (en) * | 2003-07-02 | 2004-01-28 | 中国电子科技集团公司第五十四研究所 | Folding direction-finding communication line antenna apparatus |
| CN1607845A (en) * | 2003-10-16 | 2005-04-20 | 华为技术有限公司 | on site testing equipment and method of mobile communication system |
| CN200947662Y (en) * | 2006-07-10 | 2007-09-12 | 俞文蕴 | Dual channel radio monitoring and coherent interference direction station equipments |
-
2006
- 2006-07-10 CN CNB2006100882924A patent/CN100396141C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2161024Y (en) * | 1993-05-17 | 1994-04-06 | 刘原 | Integrated console for radio monitoring |
| US5956648A (en) * | 1997-03-12 | 1999-09-21 | G/Tracker Technologies Llc | Trunked radio monitoring system |
| CN1471194A (en) * | 2003-07-02 | 2004-01-28 | 中国电子科技集团公司第五十四研究所 | Folding direction-finding communication line antenna apparatus |
| CN1607845A (en) * | 2003-10-16 | 2005-04-20 | 华为技术有限公司 | on site testing equipment and method of mobile communication system |
| CN200947662Y (en) * | 2006-07-10 | 2007-09-12 | 俞文蕴 | Dual channel radio monitoring and coherent interference direction station equipments |
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Assignee: Nanjing Developing Electronic System Co., Ltd. Assignor: Yu Wenyun Contract record no.: 2011320000166 Denomination of invention: Dual-channel radio monitoring and correlation interference direction-finding fixed station system Granted publication date: 20080618 License type: Exclusive License Open date: 20061213 Record date: 20110307 |
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