FR2491628A1 - Chaine de reception et radar coherent comportant une telle chaine de reception - Google Patents
Chaine de reception et radar coherent comportant une telle chaine de reception Download PDFInfo
- Publication number
- FR2491628A1 FR2491628A1 FR8021225A FR8021225A FR2491628A1 FR 2491628 A1 FR2491628 A1 FR 2491628A1 FR 8021225 A FR8021225 A FR 8021225A FR 8021225 A FR8021225 A FR 8021225A FR 2491628 A1 FR2491628 A1 FR 2491628A1
- Authority
- FR
- France
- Prior art keywords
- whose
- frequency
- output
- signal
- input
- 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
- 230000001427 coherent effect Effects 0.000 title claims description 10
- 238000001914 filtration Methods 0.000 claims abstract description 25
- 230000000903 blocking effect Effects 0.000 claims abstract description 14
- 230000017105 transposition Effects 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 238000012800 visualization Methods 0.000 claims description 2
- 150000001768 cations Chemical class 0.000 claims 2
- 238000007493 shaping process Methods 0.000 claims 2
- 244000045947 parasite Species 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000001228 spectrum Methods 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
- 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
- G01S7/288—Coherent receivers
-
- 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
- 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
- G01S7/36—Means for anti-jamming, e.g. ECCM, i.e. electronic counter-counter measures
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)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8021225A FR2491628A1 (fr) | 1980-10-03 | 1980-10-03 | Chaine de reception et radar coherent comportant une telle chaine de reception |
| EP81401460A EP0049651B1 (fr) | 1980-10-03 | 1981-09-18 | Chaîne de réception de radar cohérent |
| DE8181401460T DE3167105D1 (en) | 1980-10-03 | 1981-09-18 | Coherent radar receiver chain |
| US06/306,342 US4538148A (en) | 1980-10-03 | 1981-09-28 | Coherent radar |
| JP56154058A JPS5786772A (en) | 1980-10-03 | 1981-09-30 | Interferential radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8021225A FR2491628A1 (fr) | 1980-10-03 | 1980-10-03 | Chaine de reception et radar coherent comportant une telle chaine de reception |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2491628A1 true FR2491628A1 (fr) | 1982-04-09 |
| FR2491628B1 FR2491628B1 (Direct) | 1984-02-03 |
Family
ID=9246534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8021225A Granted FR2491628A1 (fr) | 1980-10-03 | 1980-10-03 | Chaine de reception et radar coherent comportant une telle chaine de reception |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4538148A (Direct) |
| EP (1) | EP0049651B1 (Direct) |
| JP (1) | JPS5786772A (Direct) |
| DE (1) | DE3167105D1 (Direct) |
| FR (1) | FR2491628A1 (Direct) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3337649A1 (de) * | 1983-10-17 | 1985-04-25 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Radaranordnung fuer luftfahrzeuge |
| US9385655B2 (en) * | 2013-12-11 | 2016-07-05 | Raytheon Company | Regenerative frequency multiplier |
| CN106226741B (zh) * | 2016-07-12 | 2018-03-02 | 华讯方舟科技有限公司 | 利用tr组件获得中频可控信号的方法和系统 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3299426A (en) * | 1955-06-16 | 1967-01-17 | Vincent R Learned | Moving target radar system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3121868A (en) * | 1953-11-20 | 1964-02-18 | Gen Electric | High resolution object location system |
| US3163862A (en) * | 1955-11-09 | 1964-12-29 | Rca Corp | Radar system and component apparatus |
| US4142189A (en) * | 1965-01-07 | 1979-02-27 | The Magnavox Company | Radar system |
| US3725917A (en) * | 1969-01-27 | 1973-04-03 | Us Air Force | Radar phase comparison method and system for object recognition |
| NL6908606A (Direct) * | 1969-06-06 | 1970-12-08 | ||
| US4271412A (en) * | 1979-10-15 | 1981-06-02 | Raytheon Company | Range tracker utilizing spectral analysis |
| US4342998A (en) * | 1980-12-04 | 1982-08-03 | Sperry Corporation | Pulsed radio frequency transmitting and receiving system |
| US4379295A (en) * | 1981-02-03 | 1983-04-05 | The United States Of America As Represented By The Secretary Of The Navy | Low sidelobe pulse compressor |
-
1980
- 1980-10-03 FR FR8021225A patent/FR2491628A1/fr active Granted
-
1981
- 1981-09-18 EP EP81401460A patent/EP0049651B1/fr not_active Expired
- 1981-09-18 DE DE8181401460T patent/DE3167105D1/de not_active Expired
- 1981-09-28 US US06/306,342 patent/US4538148A/en not_active Expired - Fee Related
- 1981-09-30 JP JP56154058A patent/JPS5786772A/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3299426A (en) * | 1955-06-16 | 1967-01-17 | Vincent R Learned | Moving target radar system |
Non-Patent Citations (1)
| Title |
|---|
| EXBK/75 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0049651B1 (fr) | 1984-11-07 |
| DE3167105D1 (en) | 1984-12-13 |
| EP0049651A1 (fr) | 1982-04-14 |
| US4538148A (en) | 1985-08-27 |
| JPS5786772A (en) | 1982-05-29 |
| FR2491628B1 (Direct) | 1984-02-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |