FR2130388A1 - - Google Patents
Info
- Publication number
- FR2130388A1 FR2130388A1 FR7209416A FR7209416A FR2130388A1 FR 2130388 A1 FR2130388 A1 FR 2130388A1 FR 7209416 A FR7209416 A FR 7209416A FR 7209416 A FR7209416 A FR 7209416A FR 2130388 A1 FR2130388 A1 FR 2130388A1
- Authority
- FR
- France
- 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
- 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
- G01S13/5244—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
- G01S13/526—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 |
---|---|---|---|
US12525771A | 1971-03-17 | 1971-03-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2130388A1 true FR2130388A1 (de) | 1972-11-03 |
FR2130388B1 FR2130388B1 (de) | 1975-10-24 |
Family
ID=22418862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7209416A Expired FR2130388B1 (de) | 1971-03-17 | 1972-03-17 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5113638B1 (de) |
DE (1) | DE2212272A1 (de) |
ES (1) | ES400831A1 (de) |
FR (1) | FR2130388B1 (de) |
IT (1) | IT950144B (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2302535A2 (fr) * | 1975-02-25 | 1976-09-24 | Int Standard Electric Corp | Radar doppler a elimination d'images parasites |
FR2353864A1 (fr) * | 1976-06-01 | 1977-12-30 | Raytheon Co | Dispositif radar numerique a elimination d'images parasites |
FR2400212A1 (fr) * | 1977-08-12 | 1979-03-09 | Ericsson Telefon Ab L M | Filtre pour radar doppler a impulsions |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2413607C2 (de) * | 1974-03-21 | 1983-05-19 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Anordnung zur Unterdrückung von Signalen bewegter Störziele in einem Quadraturradarsystem |
FR2340554A1 (fr) * | 1976-02-03 | 1977-09-02 | Thomson Csf | Dispositif de traitement des signaux d'un radar coherent a l'impulsions et systeme radar comportant un tel dispositif |
NL185959C (nl) * | 1976-05-26 | 1990-08-16 | Raytheon Co | Pulsdopplerradarstelsel met digitale signaalverwerking. |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1517456A (fr) * | 1966-04-07 | 1968-03-15 | Hughes Aircraft Co | Dispositif de traitement de signaux vidéo d'obstacles parasites d'un radar |
GB1114531A (en) * | 1964-02-12 | 1968-05-22 | Emi Ltd | Improvements relating to radar |
US3487405A (en) * | 1967-04-12 | 1969-12-30 | Thomson Inf Et Visualisation | Radar system with density-zone suppressor |
US3500396A (en) * | 1968-12-23 | 1970-03-10 | Usa | Background averaging system for improving radar target detection |
US3505637A (en) * | 1964-03-10 | 1970-04-07 | Us Navy | Digital overflow threshold for sonar |
-
1972
- 1972-03-14 IT IT2179272A patent/IT950144B/it active
- 1972-03-14 DE DE19722212272 patent/DE2212272A1/de active Pending
- 1972-03-16 ES ES400831A patent/ES400831A1/es not_active Expired
- 1972-03-17 JP JP2733772A patent/JPS5113638B1/ja active Pending
- 1972-03-17 FR FR7209416A patent/FR2130388B1/fr not_active Expired
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1114531A (en) * | 1964-02-12 | 1968-05-22 | Emi Ltd | Improvements relating to radar |
US3505637A (en) * | 1964-03-10 | 1970-04-07 | Us Navy | Digital overflow threshold for sonar |
FR1517456A (fr) * | 1966-04-07 | 1968-03-15 | Hughes Aircraft Co | Dispositif de traitement de signaux vidéo d'obstacles parasites d'un radar |
US3487405A (en) * | 1967-04-12 | 1969-12-30 | Thomson Inf Et Visualisation | Radar system with density-zone suppressor |
US3500396A (en) * | 1968-12-23 | 1970-03-10 | Usa | Background averaging system for improving radar target detection |
Non-Patent Citations (6)
Title |
---|
(REVUE GB"PROCEEDINGS OF THE INSTITUTION OF ELECTRICAL ENOIMEERS"VOLUME 107,PART B,SUPPLEMENT 19, 1960 PAGES 36-46 * |
19, 1960 PAGES 36-46 * |
L'ARTICLE DE HINCKLEY INTITULE:"AN EXPERIMENTAL SYSTEM FOR AUTOMATIC RADAR * |
L'ARTICLE DE HINCKLEY INTITULE:"AN EXPERIMENTAL SYSTEM FOR AUTOMATIC RADARTARGET DETECTION AND DIGITAL BODED PLOT EXTRACTION AND TRANSMISSION") * |
REVUE GB"PROCEEDINGS OF THE INSTITUTION OF ELECTRICAL ENOIMEERS"VOLUME 107,PART B,SUPPLEMENT * |
TARGET DETECTION AND DIGITAL BODED PLOT EXTRACTION AND TRANSMISSION") * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2302535A2 (fr) * | 1975-02-25 | 1976-09-24 | Int Standard Electric Corp | Radar doppler a elimination d'images parasites |
FR2353864A1 (fr) * | 1976-06-01 | 1977-12-30 | Raytheon Co | Dispositif radar numerique a elimination d'images parasites |
FR2400212A1 (fr) * | 1977-08-12 | 1979-03-09 | Ericsson Telefon Ab L M | Filtre pour radar doppler a impulsions |
Also Published As
Publication number | Publication date |
---|---|
JPS5113638B1 (de) | 1976-05-01 |
IT950144B (it) | 1973-06-20 |
ES400831A1 (es) | 1975-02-01 |
FR2130388B1 (de) | 1975-10-24 |
DE2212272A1 (de) | 1972-09-28 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |