FR2302535A2 - Radar doppler a elimination d'images parasites - Google Patents
Radar doppler a elimination d'images parasitesInfo
- Publication number
- FR2302535A2 FR2302535A2 FR7605206A FR7605206A FR2302535A2 FR 2302535 A2 FR2302535 A2 FR 2302535A2 FR 7605206 A FR7605206 A FR 7605206A FR 7605206 A FR7605206 A FR 7605206A FR 2302535 A2 FR2302535 A2 FR 2302535A2
- Authority
- FR
- France
- Prior art keywords
- signals
- repetition periods
- radar system
- function
- doppler radar
- 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.)
- Pending
Links
- 230000003071 parasitic effect Effects 0.000 title 1
- 230000001747 exhibiting effect Effects 0.000 abstract 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
- G01S13/52—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
- G01S13/5244—Adaptive clutter cancellation
-
- 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
- G01S13/5242—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 with means for platform motion or scan motion compensation, e.g. airborne 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
- G01S13/50—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
- G01S13/526—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 performing filtering on the whole spectrum without loss of range information, e.g. using delay line cancellers or comb filters
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/552,926 US3972041A (en) | 1971-03-17 | 1975-02-25 | Adaptive clutter velocity cancellation system for pulsed digital MTI system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2302535A2 true FR2302535A2 (fr) | 1976-09-24 |
Family
ID=24207386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7605206A Pending FR2302535A2 (fr) | 1975-02-25 | 1976-02-25 | Radar doppler a elimination d'images parasites |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2302535A2 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2507783A1 (fr) * | 1981-06-16 | 1982-12-17 | Thomson Csf | Dispositif de calcul de l'argument d'un signal complexe defini par ses deux composantes en quadrature et application a un signal radar |
| FR2548385A1 (fr) * | 1983-06-16 | 1985-01-04 | Mitsubishi Electric Corp | Radar comportant un dispositif eliminateur d'echos fixes |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2130388A1 (fr) * | 1971-03-17 | 1972-11-03 | Int Standard Electric Corp |
-
1976
- 1976-02-25 FR FR7605206A patent/FR2302535A2/fr active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2130388A1 (fr) * | 1971-03-17 | 1972-11-03 | Int Standard Electric Corp |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2507783A1 (fr) * | 1981-06-16 | 1982-12-17 | Thomson Csf | Dispositif de calcul de l'argument d'un signal complexe defini par ses deux composantes en quadrature et application a un signal radar |
| EP0067768A1 (fr) * | 1981-06-16 | 1982-12-22 | Thomson-Csf | Dispositif de calcul de l'argument d'un signal complexe défini par ses deux composantes en quadrature, et application à un signal radar |
| FR2548385A1 (fr) * | 1983-06-16 | 1985-01-04 | Mitsubishi Electric Corp | Radar comportant un dispositif eliminateur d'echos fixes |
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