WO2004111679A1 - Radar altimeter with forward ranging capabilities - Google Patents
Radar altimeter with forward ranging capabilities Download PDFInfo
- Publication number
- WO2004111679A1 WO2004111679A1 PCT/US2004/018097 US2004018097W WO2004111679A1 WO 2004111679 A1 WO2004111679 A1 WO 2004111679A1 US 2004018097 W US2004018097 W US 2004018097W WO 2004111679 A1 WO2004111679 A1 WO 2004111679A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- doppler
- radar
- pass filter
- band pass
- radar return
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/285—Receivers
- G01S7/292—Extracting wanted echo-signals
- G01S7/2923—Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods
- G01S7/2925—Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods by using shape of radiation pattern
-
- 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
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/933—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft
- G01S13/935—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft for terrain-avoidance
-
- 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
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S13/522—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
- G01S13/524—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi
-
- 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
- G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
-
- 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
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04754651A EP1631837B1 (en) | 2003-06-11 | 2004-06-08 | Radar altimeter with forward ranging capabilities |
JP2006533597A JP2007516430A (en) | 2003-06-11 | 2004-06-08 | Radar altimeter with forward ranging capability |
CA002527070A CA2527070A1 (en) | 2003-06-11 | 2004-06-08 | Radar altimeter with forward ranging capabilities |
DE602004002594T DE602004002594T2 (en) | 2003-06-11 | 2004-06-08 | RADAR HEIGHT GAUGE WITH ADDITIONAL FORWARD DISTANCE MEASUREMENT |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/459,139 | 2003-06-11 | ||
US10/459,139 US6897803B2 (en) | 2003-06-11 | 2003-06-11 | Radar altimeter with forward ranging capabilities |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004111679A1 true WO2004111679A1 (en) | 2004-12-23 |
Family
ID=33510746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2004/018097 WO2004111679A1 (en) | 2003-06-11 | 2004-06-08 | Radar altimeter with forward ranging capabilities |
Country Status (7)
Country | Link |
---|---|
US (1) | US6897803B2 (en) |
EP (1) | EP1631837B1 (en) |
JP (1) | JP2007516430A (en) |
AT (1) | ATE341007T1 (en) |
CA (1) | CA2527070A1 (en) |
DE (1) | DE602004002594T2 (en) |
WO (1) | WO2004111679A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005101052A1 (en) * | 2004-04-06 | 2005-10-27 | Honeywell International, Inc. | Method and system for terrain avoidance utilizing radar altimeter, digital elevation maps and forward looking terrain avoidance radar |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070063888A1 (en) * | 2005-09-22 | 2007-03-22 | M/A-Com, Inc. | Single side band radar |
US20090174594A1 (en) * | 2006-08-07 | 2009-07-09 | Honeywell International Inc. | High frequency radar altimeter |
US7777668B2 (en) * | 2008-04-08 | 2010-08-17 | Honeywell International Inc. | Radar altimeter with forward looking radar and data transfer capabilities |
JP5594956B2 (en) * | 2008-12-12 | 2014-09-24 | 三菱重工業株式会社 | Monitoring device and monitoring method |
US8296056B2 (en) * | 2009-04-20 | 2012-10-23 | Honeywell International Inc. | Enhanced vision system for precision navigation in low visibility or global positioning system (GPS) denied conditions |
JP2012168060A (en) * | 2011-02-15 | 2012-09-06 | Nec Corp | Precision approach radar, precision approach radar control method and program for controlling the same |
JP2013210242A (en) * | 2012-03-30 | 2013-10-10 | Mitsubishi Electric Corp | Target position estimation method |
US9864053B2 (en) | 2015-02-04 | 2018-01-09 | Honeywell International Inc. | Systems and methods for using velocity measurements to adjust doppler filter bandwidth |
US10006991B2 (en) | 2015-02-11 | 2018-06-26 | Honeywell International Inc. | Velocity and attitude estimation using an interferometric radar altimeter |
US10371812B2 (en) | 2017-02-23 | 2019-08-06 | Rosemount Aerospace Inc. | Ultra-wideband radar altimeter |
US10641885B2 (en) | 2017-07-21 | 2020-05-05 | Honeywell International Inc. | Systems and methods for measuring velocity and acceleration with a radar altimeter |
US10989802B2 (en) * | 2017-10-12 | 2021-04-27 | Honeywell International Inc. | Altimeter with high-resolution radar |
US11733377B2 (en) * | 2018-05-07 | 2023-08-22 | Texas Instruments Incorporated | Time of flight and code signature detection for coded ultrasonic transmission |
US11644555B2 (en) | 2018-07-27 | 2023-05-09 | Texas Instruments Incorporated | Threshold generation for coded ultrasonic sensing |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB522890A (en) * | 1938-11-30 | 1940-07-01 | Ernest George Wild | Improved electrical apparatus for aeroplanes for indicating height as well as distance of solid objects in the plane's path |
US2630283A (en) * | 1948-12-04 | 1953-03-03 | Honeywell Regulator Co | Automatic terrain clearance apparatus |
US3185984A (en) * | 1962-08-16 | 1965-05-25 | North American Aviation Inc | Radar altimeter |
US3277467A (en) * | 1964-12-16 | 1966-10-04 | Texas Instruments Inc | Time sharing radar-altimeter |
US3373423A (en) * | 1965-05-26 | 1968-03-12 | Gen Precision Systems Inc | Low-level flight system |
US3467961A (en) * | 1967-12-27 | 1969-09-16 | Honeywell Inc | Terrain warning radar with side lobe gain control |
EP0475181A2 (en) * | 1990-08-28 | 1992-03-18 | Honeywell Inc. | Aircraft radar altimeter |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1062530A (en) * | 1958-02-07 | 1967-03-22 | Sperry Gyroscope Co Ltd | Aircraft control arrangements |
US3206745A (en) * | 1962-04-10 | 1965-09-14 | Litton Systems Inc | Terrain clearance system |
US3396391A (en) * | 1963-12-20 | 1968-08-06 | North American Rockwell | Terrain-following system |
US3944968A (en) * | 1974-11-01 | 1976-03-16 | Sundstrand Data Control, Inc. | Aircraft ground proximity warning system having speed versus altitude compensation |
US4595925A (en) * | 1983-03-28 | 1986-06-17 | The United States Of America As Represented By The Secretary Of The Navy | Altitude determining radar using multipath discrimination |
US5150125A (en) * | 1990-12-24 | 1992-09-22 | Honeywell Inc. | High Doppler rate, high altitude capability coherent pulse Doppler radar altimeter |
US5189424A (en) * | 1991-09-19 | 1993-02-23 | Environmental Research Institute Of Michigan | Three dimensional interferometric synthetic aperture radar terrain mapping employing altitude measurement and second order correction |
US5170171A (en) * | 1991-09-19 | 1992-12-08 | Environmental Research Institute Of Michigan | Three dimensional interferometric synthetic aperture radar terrain mapping employing altitude measurement |
US5260708A (en) * | 1992-04-13 | 1993-11-09 | Environmental Research Institute Of Michigan | Three dimensional interferometric synthetic aperture radar terrain mapping with unambiguous phase unwrapping employing subset bandwidth processing |
US6606034B1 (en) * | 1995-07-31 | 2003-08-12 | Honeywell International Inc. | Terrain awareness system |
GB2322611B (en) * | 1997-02-26 | 2001-03-21 | British Aerospace | Apparatus for indicating air traffic and terrain collision threat to an aircraft |
US6422517B1 (en) * | 1999-12-02 | 2002-07-23 | Boeing Company | Aircraft tailstrike avoidance system |
US6570545B1 (en) * | 2001-12-06 | 2003-05-27 | The United States Of America As Represented By The Secretary Of The Navy | Apparatus and process for reflecting radar waves |
US9008870B2 (en) * | 2003-03-14 | 2015-04-14 | Aviation Communication & Surveillance Systems Llc | Display for terrain avoidance |
US6753806B1 (en) * | 2003-06-11 | 2004-06-22 | Honeywell International Inc. | Methods and apparatus to compensate for zero Doppler returns |
US6750807B1 (en) * | 2003-06-11 | 2004-06-15 | Honeywell International Inc. | Radar altimeter with forward obstacle avoidance capabilities |
-
2003
- 2003-06-11 US US10/459,139 patent/US6897803B2/en not_active Expired - Fee Related
-
2004
- 2004-06-08 CA CA002527070A patent/CA2527070A1/en not_active Abandoned
- 2004-06-08 DE DE602004002594T patent/DE602004002594T2/en not_active Expired - Fee Related
- 2004-06-08 EP EP04754651A patent/EP1631837B1/en not_active Not-in-force
- 2004-06-08 JP JP2006533597A patent/JP2007516430A/en not_active Withdrawn
- 2004-06-08 WO PCT/US2004/018097 patent/WO2004111679A1/en active IP Right Grant
- 2004-06-08 AT AT04754651T patent/ATE341007T1/en not_active IP Right Cessation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB522890A (en) * | 1938-11-30 | 1940-07-01 | Ernest George Wild | Improved electrical apparatus for aeroplanes for indicating height as well as distance of solid objects in the plane's path |
US2630283A (en) * | 1948-12-04 | 1953-03-03 | Honeywell Regulator Co | Automatic terrain clearance apparatus |
US3185984A (en) * | 1962-08-16 | 1965-05-25 | North American Aviation Inc | Radar altimeter |
US3277467A (en) * | 1964-12-16 | 1966-10-04 | Texas Instruments Inc | Time sharing radar-altimeter |
US3373423A (en) * | 1965-05-26 | 1968-03-12 | Gen Precision Systems Inc | Low-level flight system |
US3467961A (en) * | 1967-12-27 | 1969-09-16 | Honeywell Inc | Terrain warning radar with side lobe gain control |
EP0475181A2 (en) * | 1990-08-28 | 1992-03-18 | Honeywell Inc. | Aircraft radar altimeter |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005101052A1 (en) * | 2004-04-06 | 2005-10-27 | Honeywell International, Inc. | Method and system for terrain avoidance utilizing radar altimeter, digital elevation maps and forward looking terrain avoidance radar |
Also Published As
Publication number | Publication date |
---|---|
US6897803B2 (en) | 2005-05-24 |
DE602004002594D1 (en) | 2006-11-09 |
DE602004002594T2 (en) | 2007-08-23 |
CA2527070A1 (en) | 2004-12-23 |
ATE341007T1 (en) | 2006-10-15 |
EP1631837B1 (en) | 2006-09-27 |
EP1631837A1 (en) | 2006-03-08 |
JP2007516430A (en) | 2007-06-21 |
US20040252048A1 (en) | 2004-12-16 |
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