JPS6250789B2 - - Google Patents
Info
- Publication number
- JPS6250789B2 JPS6250789B2 JP53121425A JP12142578A JPS6250789B2 JP S6250789 B2 JPS6250789 B2 JP S6250789B2 JP 53121425 A JP53121425 A JP 53121425A JP 12142578 A JP12142578 A JP 12142578A JP S6250789 B2 JPS6250789 B2 JP S6250789B2
- Authority
- JP
- Japan
- Prior art keywords
- radio frequency
- signal
- doppler
- frequency
- receiver
- 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.)
- Expired
Links
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 15
- 230000005540 biological transmission Effects 0.000 description 5
- 230000010363 phase shift Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000005428 wave function Effects 0.000 description 1
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
- G01S13/50—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
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)
- Control Of Motors That Do Not Use Commutators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/854,571 US4158202A (en) | 1977-11-25 | 1977-11-25 | Receiver bandwidth conservation in a Doppler radar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5476092A JPS5476092A (en) | 1979-06-18 |
| JPS6250789B2 true JPS6250789B2 (US06826419-20041130-M00005.png) | 1987-10-27 |
Family
ID=25319067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12142578A Granted JPS5476092A (en) | 1977-11-25 | 1978-10-02 | Doppler radar |
Country Status (9)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5876784A (ja) * | 1981-10-31 | 1983-05-09 | Nissan Motor Co Ltd | 車両用光パルスレ−ダ装置 |
| JPS5929067A (ja) * | 1982-08-09 | 1984-02-16 | 三協電業株式会社 | 分級機 |
| US6396437B1 (en) * | 1984-03-12 | 2002-05-28 | Bae Systems Aerospace Inc. | Radar multibeam velocity sensor |
| US4942404A (en) * | 1989-07-18 | 1990-07-17 | Ail Systems, Inc. | Passive doppler differential ranging system and method |
| US5598794A (en) * | 1995-02-13 | 1997-02-04 | Fluid Power Industries, Inc. | High accuracy automatically controlled variable linear seed spacing planting apparatus |
| CN105204016B (zh) * | 2014-06-30 | 2017-10-10 | 株式会社理光 | 判断是否存在多普勒效应的方法和系统 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2923000A (en) * | 1956-12-31 | 1960-01-26 | Gen Precision Lab Inc | Microwave system for velocity measurements |
| US3150323A (en) * | 1958-02-26 | 1964-09-22 | Gen Precision Inc | Coincident frequency tracker in which oscillation generator generates two distinct frequencies alternately |
| US3134102A (en) * | 1958-02-28 | 1964-05-19 | Gen Precision Inc | Aircraft doppler measuring system |
| US3013262A (en) * | 1959-04-02 | 1961-12-12 | Collins Radio Co | Fm doppler navigation system utilizing first fm sideband |
| US3095563A (en) * | 1960-04-28 | 1963-06-25 | Gen Precision Inc | Mixer circuit for radar systems |
| US3371341A (en) * | 1967-05-01 | 1968-02-27 | Gen Precision Systems Inc | Method and means for extracting velocity sense from a non-coherent janus doppler rada system |
| US3852744A (en) * | 1973-01-05 | 1974-12-03 | Singer Co | Single time shared receiver and frequency tracker for a beam-lobed doppler radar system |
-
1977
- 1977-11-25 US US05/854,571 patent/US4158202A/en not_active Expired - Lifetime
-
1978
- 1978-08-16 GB GB7833492A patent/GB2008884B/en not_active Expired
- 1978-08-21 IL IL55399A patent/IL55399A/xx unknown
- 1978-08-31 CA CA000310398A patent/CA1137600A/en not_active Expired
- 1978-10-02 JP JP12142578A patent/JPS5476092A/ja active Granted
- 1978-10-20 FR FR7829937A patent/FR2410284B1/fr not_active Expired
- 1978-11-22 SE SE7812040A patent/SE439996B/sv not_active IP Right Cessation
- 1978-11-24 NO NO783962A patent/NO147536C/no unknown
- 1978-11-27 DE DE19782851218 patent/DE2851218A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2851218C2 (US06826419-20041130-M00005.png) | 1987-04-30 |
| NO147536C (no) | 1983-05-04 |
| IL55399A (en) | 1980-11-30 |
| GB2008884B (en) | 1982-07-14 |
| CA1137600A (en) | 1982-12-14 |
| NO783962L (no) | 1979-05-28 |
| SE439996B (sv) | 1985-07-08 |
| FR2410284B1 (fr) | 1986-08-14 |
| JPS5476092A (en) | 1979-06-18 |
| GB2008884A (en) | 1979-06-06 |
| SE7812040L (sv) | 1979-05-26 |
| US4158202A (en) | 1979-06-12 |
| DE2851218A1 (de) | 1979-06-07 |
| NO147536B (no) | 1983-01-17 |
| FR2410284A1 (fr) | 1979-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8188911B2 (en) | Low noise generator for frequency swept signals | |
| US3082417A (en) | Signal selection system | |
| US5374903A (en) | Generation of wideband linear frequency modulation signals | |
| US4851852A (en) | Decorrelation tolerant coherent radar altimeter | |
| US2525328A (en) | Radar system | |
| US3334344A (en) | Doppler radar altimeter | |
| US3927405A (en) | System for processing the signal received by a sideways looking airborne radar system | |
| JPS6250789B2 (US06826419-20041130-M00005.png) | ||
| US3371341A (en) | Method and means for extracting velocity sense from a non-coherent janus doppler rada system | |
| US3088109A (en) | Signal processing apparatus | |
| US4959654A (en) | Digitally generated two carrier phase coded signal source | |
| US3848253A (en) | Side looking pulse radar system | |
| US3855594A (en) | Multiple frequency continuous wave radars | |
| GB1155676A (en) | Doppler Radar | |
| JPS5853780A (ja) | レ−ダ装置 | |
| JPH0219435B2 (US06826419-20041130-M00005.png) | ||
| US3189899A (en) | Continuous wave radar systems | |
| JP3485382B2 (ja) | Ｆｍ−ｃｗレーダ装置 | |
| US3343163A (en) | Distance measuring system | |
| US3155970A (en) | Microwave receiver-transmitter | |
| GB1198555A (en) | Improvements in Arrangements for Eliminating Fixed Echoes | |
| JPS6069577A (ja) | モノパルスレ−ダ | |
| GB2328333A (en) | Doppler radar systems | |
| JP3000145B1 (ja) | 自己位置検出回路 | |
| JPH0712929A (ja) | Ｆｍ−ｃｗレーダ |
