WO2005031386A2 - Radar anti-fade systems and methods - Google Patents
Radar anti-fade systems and methods Download PDFInfo
- Publication number
- WO2005031386A2 WO2005031386A2 PCT/US2004/018098 US2004018098W WO2005031386A2 WO 2005031386 A2 WO2005031386 A2 WO 2005031386A2 US 2004018098 W US2004018098 W US 2004018098W WO 2005031386 A2 WO2005031386 A2 WO 2005031386A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- radar
- range gate
- dithering
- signal
- altimeter
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/18—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein range gates are used
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/22—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using irregular pulse repetition frequency
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/26—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave
- G01S13/28—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses
- G01S13/284—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses using coded pulses
- G01S13/288—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses using coded pulses phase modulated
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/882—Radar or analogous systems specially adapted for specific applications for altimeters
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002527725A CA2527725A1 (en) | 2003-06-11 | 2004-06-08 | Radar anti-fade systems and methods |
JP2006533598A JP2007500854A (en) | 2003-06-11 | 2004-06-08 | Radar / fading prevention system and method |
DE602004005453T DE602004005453T2 (en) | 2003-06-11 | 2004-06-08 | RADAR ANTIQUE SYSTEMS AND METHODS |
EP04809434A EP1631834B1 (en) | 2003-06-11 | 2004-06-08 | Radar anti-fade systems and methods |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/458,943 | 2003-06-11 | ||
US10/458,943 US6731234B1 (en) | 2003-06-11 | 2003-06-11 | Radar anti-fade systems and methods |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2005031386A2 true WO2005031386A2 (en) | 2005-04-07 |
WO2005031386A3 WO2005031386A3 (en) | 2005-06-02 |
Family
ID=32176813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2004/018098 WO2005031386A2 (en) | 2003-06-11 | 2004-06-08 | Radar anti-fade systems and methods |
Country Status (6)
Country | Link |
---|---|
US (1) | US6731234B1 (en) |
EP (1) | EP1631834B1 (en) |
JP (1) | JP2007500854A (en) |
CA (1) | CA2527725A1 (en) |
DE (1) | DE602004005453T2 (en) |
WO (1) | WO2005031386A2 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7274323B2 (en) * | 2003-12-10 | 2007-09-25 | Honeywell International Inc. | Remote phase synchronization using a low-bandwidth timing referencer |
US7248208B2 (en) * | 2004-06-10 | 2007-07-24 | Honeywell International Inc. | Methods and systems for maintaining a position during hovering operations |
US7629918B2 (en) * | 2005-12-15 | 2009-12-08 | Raytheon Company | Multifunctional radio frequency directed energy system |
US7463187B2 (en) * | 2006-09-27 | 2008-12-09 | Honeywell International Inc. | Method and system of improving altimeter accuracy by use of a separate peak return signal tracking |
US9053630B2 (en) * | 2010-02-17 | 2015-06-09 | The Boeing Company | Methods and systems for depicting a data driven minimum safe altitude |
KR101336015B1 (en) * | 2012-06-18 | 2013-12-03 | (주)뮤트로닉스 | Radio altimeter |
IL231163A (en) * | 2014-02-26 | 2016-05-31 | Elta Systems Ltd | System and method for enhancing dynamic range of a beamforming multi-channel digital receiver |
US10224627B2 (en) * | 2015-12-11 | 2019-03-05 | Anokiwave, Inc. | Electronically scanned antenna arrays with reconfigurable performance |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0654682A2 (en) * | 1993-11-18 | 1995-05-24 | Kabushiki Kaisha TOPCON | Light-wave distance meter based on light pulses |
US5719582A (en) * | 1994-10-21 | 1998-02-17 | Honeywell Inc. | Software/hardware digital signal processing (DSP) altimeter |
US6407697B1 (en) * | 2000-06-15 | 2002-06-18 | Honeywell International Inc. | Low probability of intercept coherent radar altimeter |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4029271A (en) | 1976-04-07 | 1977-06-14 | United Technologies Corporation | Automatic approach to hover system |
US4241346A (en) * | 1979-07-11 | 1980-12-23 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Pulse radar altimeters |
US4429310A (en) * | 1981-04-22 | 1984-01-31 | Sperry Corporation | Random binary waveform encoded ranging apparatus |
US4568938A (en) * | 1981-12-14 | 1986-02-04 | Rockwell International Corporation | Radar altimeter nearest return tracking |
US4584646A (en) | 1983-06-29 | 1986-04-22 | Harris Corporation | System for correlation and recognition of terrain elevation |
US4959654A (en) * | 1987-04-20 | 1990-09-25 | Honeywell Inc. | Digitally generated two carrier phase coded signal source |
GB2307809B (en) * | 1987-06-10 | 1998-01-07 | Gec Avionics | Continous wave radar altimeter |
US4801110A (en) | 1987-12-21 | 1989-01-31 | Honeywell Inc. | Approach to hover control system for helicopters |
US5014063A (en) * | 1990-01-03 | 1991-05-07 | Canadian Marconi Company | Integrated altimeter and doppler velocity sensor arrangement |
US5195039A (en) | 1990-05-03 | 1993-03-16 | United Technologies Corporation | Hover position hold system for rotary winged aircraft |
US5150125A (en) * | 1990-12-24 | 1992-09-22 | Honeywell Inc. | High Doppler rate, high altitude capability coherent pulse Doppler radar altimeter |
US5774091A (en) * | 1993-04-12 | 1998-06-30 | The Regents Of The University Of California | Short range micro-power impulse radar with high resolution swept range gate with damped transmit and receive cavities |
CA2120077A1 (en) * | 1993-06-17 | 1994-12-18 | Louis Labreche | System and method for modulating a carrier frequency |
US6522992B1 (en) * | 2000-05-24 | 2003-02-18 | American Gnc Corporation | Core inertial measurement unit |
US6494093B2 (en) * | 2000-05-24 | 2002-12-17 | American Gnc Corporation | Method of measuring motion |
US6583733B2 (en) | 2000-05-26 | 2003-06-24 | Honeywell International Inc. | Apparatus, method and computer program product for helicopter ground proximity warning system |
US6906641B2 (en) | 2000-05-26 | 2005-06-14 | Honeywell International Inc. | Apparatus, method and computer program product for helicopter enhanced ground proximity warning system |
JP2003137192A (en) | 2001-10-31 | 2003-05-14 | Mitsubishi Heavy Ind Ltd | Vertical taking-off/landing craft |
-
2003
- 2003-06-11 US US10/458,943 patent/US6731234B1/en not_active Expired - Fee Related
-
2004
- 2004-06-08 DE DE602004005453T patent/DE602004005453T2/en active Active
- 2004-06-08 EP EP04809434A patent/EP1631834B1/en not_active Expired - Fee Related
- 2004-06-08 CA CA002527725A patent/CA2527725A1/en not_active Abandoned
- 2004-06-08 WO PCT/US2004/018098 patent/WO2005031386A2/en active IP Right Grant
- 2004-06-08 JP JP2006533598A patent/JP2007500854A/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0654682A2 (en) * | 1993-11-18 | 1995-05-24 | Kabushiki Kaisha TOPCON | Light-wave distance meter based on light pulses |
US5719582A (en) * | 1994-10-21 | 1998-02-17 | Honeywell Inc. | Software/hardware digital signal processing (DSP) altimeter |
US6407697B1 (en) * | 2000-06-15 | 2002-06-18 | Honeywell International Inc. | Low probability of intercept coherent radar altimeter |
Also Published As
Publication number | Publication date |
---|---|
DE602004005453D1 (en) | 2007-05-03 |
DE602004005453T2 (en) | 2007-12-06 |
EP1631834A2 (en) | 2006-03-08 |
CA2527725A1 (en) | 2005-04-07 |
US6731234B1 (en) | 2004-05-04 |
EP1631834B1 (en) | 2007-03-21 |
WO2005031386A3 (en) | 2005-06-02 |
JP2007500854A (en) | 2007-01-18 |
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