AU2790689A - Closed loop velocity/altitude sensor for fm-cw doppler radars - Google Patents
Closed loop velocity/altitude sensor for fm-cw doppler radarsInfo
- Publication number
- AU2790689A AU2790689A AU27906/89A AU2790689A AU2790689A AU 2790689 A AU2790689 A AU 2790689A AU 27906/89 A AU27906/89 A AU 27906/89A AU 2790689 A AU2790689 A AU 2790689A AU 2790689 A AU2790689 A AU 2790689A
- Authority
- AU
- Australia
- Prior art keywords
- closed loop
- altitude sensor
- doppler radars
- loop velocity
- velocity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
- G01S7/40—Means for monitoring or calibrating
- G01S7/4052—Means for monitoring or calibrating by simulation of echoes
- G01S7/4056—Means for monitoring or calibrating by simulation of echoes specially adapted to FMCW
-
- 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
- G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
- G01S13/342—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal using sinusoidal modulation
-
- 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
- G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S13/60—Velocity or trajectory determination systems; Sense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
-
- 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)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/097,772 US4806935A (en) | 1987-09-17 | 1987-09-17 | Closed loop velocity/altitude sensor for FM-CW doppler radars |
US097772 | 1987-09-17 | ||
PCT/US1988/001670 WO1989002605A1 (en) | 1987-09-17 | 1988-05-16 | Closed loop velocity/altitude sensor for fm-cw doppler radars |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2790689A true AU2790689A (en) | 1989-04-17 |
AU624104B2 AU624104B2 (en) | 1992-06-04 |
Family
ID=26777649
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU27906/89A Ceased AU624104B2 (en) | 1987-09-17 | 1988-05-16 | Closed loop velocity/altitude sensor for fm-cw doppler radars |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU624104B2 (en) |
NO (1) | NO901246D0 (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB869808A (en) * | 1958-12-01 | 1961-06-07 | Marconi Wireless Telegraph Co | Improvements in or relating to radar systems |
US4245221A (en) * | 1979-04-27 | 1981-01-13 | Rca Corporation | FM-CW Radar ranging system with automatic calibration |
-
1988
- 1988-05-16 AU AU27906/89A patent/AU624104B2/en not_active Ceased
-
1990
- 1990-03-16 NO NO901246A patent/NO901246D0/en unknown
Also Published As
Publication number | Publication date |
---|---|
NO901246L (en) | 1990-03-16 |
NO901246D0 (en) | 1990-03-16 |
AU624104B2 (en) | 1992-06-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IL86704A (en) | Closed loop velocity/altitude sensor for fm/cw doppler radars | |
AU2631384A (en) | Doppler radar velocity measurement | |
GB2054310B (en) | Doppler radar system for the classification of moving targets | |
GB2075788B (en) | Doppler radar | |
GB9106110D0 (en) | Doppler radar speed sensor | |
GB2307809B (en) | Continous wave radar altimeter | |
GB2191647B (en) | Frequency-agile doppler radars | |
AU6308490A (en) | Method and device for measuring velocity of target by utilizing doppler shift of electromagnetic radiation | |
AU624568B2 (en) | Fm-cw radar apparatus | |
AU544957B2 (en) | Mti radar clutter processor | |
EP0287979A3 (en) | Coherent radar altimeter system | |
GB2210752B (en) | Radar altimeter systems | |
DE3065158D1 (en) | Doppler radar system | |
AU2288588A (en) | Fm-cw radar apparatus | |
GB2199459B (en) | Pulse doppler radar system | |
GB2101831B (en) | Doppler radar type speedometer | |
EP0443243A3 (en) | Pulse doppler radar system | |
AU544472B2 (en) | Radar echo analysis | |
IT8867862A0 (en) | PROCEDURE AND DEVICE FOR COMPENSATING SPEED FROM THE CLUTTER OF A RADAR | |
AU544016B2 (en) | Control of doppler vor type navigation system | |
GB2304249B (en) | Continous wave radar altimeter | |
AU549471B2 (en) | Phase monitor for doppler vor | |
DE3275018D1 (en) | Ground surveillance doppler radar | |
AU2790689A (en) | Closed loop velocity/altitude sensor for fm-cw doppler radars | |
AU548817B2 (en) | Moving target detection radar |