FR1344203A - Perfectionnements aux procédés et dispositifs d'élimination des échos parasites dans un radar - Google Patents
Perfectionnements aux procédés et dispositifs d'élimination des échos parasites dans un radarInfo
- Publication number
- FR1344203A FR1344203A FR885586A FR885586A FR1344203A FR 1344203 A FR1344203 A FR 1344203A FR 885586 A FR885586 A FR 885586A FR 885586 A FR885586 A FR 885586A FR 1344203 A FR1344203 A FR 1344203A
- Authority
- FR
- France
- Prior art keywords
- radar
- methods
- devices
- eliminating parasitic
- parasitic echoes
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
-
- 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
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/30—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using more than one pulse per radar period
-
- 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
-
- 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
- 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
- G01S13/534—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 based upon amplitude or phase shift resulting from movement of objects, with reference to the surrounding clutter echo signal, e.g. non coherent MTi, clutter referenced MTi, externally coherent MTi
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 |
---|---|---|---|
NL287919D NL287919A (fr) | 1962-01-23 | ||
FR885586A FR1344203A (fr) | 1962-01-23 | 1962-01-23 | Perfectionnements aux procédés et dispositifs d'élimination des échos parasites dans un radar |
US251961A US3267467A (en) | 1962-01-23 | 1963-01-16 | Apparatus for eliminating spurious echoes in radars |
GB2604/63A GB1028339A (en) | 1962-01-23 | 1963-01-21 | Improvements relating to pulse radar equipment |
DEC28967A DE1277949B (de) | 1962-01-23 | 1963-01-22 | Verfahren zur Funk-Rueckstrahlortung bewegter Objekte unter Verwendung von Impulspaaren |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR885586A FR1344203A (fr) | 1962-01-23 | 1962-01-23 | Perfectionnements aux procédés et dispositifs d'élimination des échos parasites dans un radar |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1344203A true FR1344203A (fr) | 1963-11-29 |
Family
ID=8771001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR885586A Expired FR1344203A (fr) | 1962-01-23 | 1962-01-23 | Perfectionnements aux procédés et dispositifs d'élimination des échos parasites dans un radar |
Country Status (5)
Country | Link |
---|---|
US (1) | US3267467A (fr) |
DE (1) | DE1277949B (fr) |
FR (1) | FR1344203A (fr) |
GB (1) | GB1028339A (fr) |
NL (1) | NL287919A (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1290994B (de) * | 1964-04-23 | 1969-03-20 | Thomson Houston Comp Francaise | Schaltungsanordnung zur Unterdrueckung der Bodenechos im Empfaenger eines Impulsradargeraets |
EP0049087A1 (fr) * | 1980-09-27 | 1982-04-07 | The Marconi Company Limited | Radar, sonar et systèmes semblables |
EP0051361A2 (fr) * | 1980-09-27 | 1982-05-12 | The Marconi Company Limited | Appareil radar |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1601723A (fr) * | 1964-06-02 | 1970-09-14 | ||
US3546670A (en) * | 1966-03-15 | 1970-12-08 | Farrington Electronics Inc | Reading apparatus including means for re-sensing an item which is difficult to recognize |
US5223839A (en) * | 1966-06-23 | 1993-06-29 | The United States Of America As Represented By The Secretary Of The Army | Radar identification |
DE2641689C2 (de) * | 1976-09-16 | 1984-02-02 | Siemens AG, 1000 Berlin und 8000 München | Pulsradargerät mit Einrichtungen zur Integration der Empfangssignale |
GB1604645A (en) * | 1977-08-02 | 1981-12-09 | Marconi Co Ltd | Radar systems |
US5005018A (en) * | 1982-10-06 | 1991-04-02 | The United States Of America As Represented By The Secretary Of The Navy | (U) modulator to provide a continuous stepped frequency signal format |
FR2625326B1 (fr) * | 1984-05-18 | 1990-08-03 | Thomson Csf | Processeur de signaux coherents bruites et application aux systemes radar doppler |
US6184820B1 (en) | 1984-11-29 | 2001-02-06 | Lockheed Martin Corp. | Coherent pulse radar system |
US7541970B1 (en) * | 2006-08-31 | 2009-06-02 | Rockwell Collins, Inc. | Weather radar with spurious reflection lobe mitigation |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2840808A (en) * | 1946-03-19 | 1958-06-24 | William R Woodward | Moving target indication systems |
US2842761A (en) * | 1953-01-12 | 1958-07-08 | Sperry Rand Corp | Moving target indicator radar system |
BE566569A (fr) * | 1957-04-09 | |||
DE1069223B (fr) * | 1957-04-19 | 1959-11-19 |
-
0
- NL NL287919D patent/NL287919A/xx unknown
-
1962
- 1962-01-23 FR FR885586A patent/FR1344203A/fr not_active Expired
-
1963
- 1963-01-16 US US251961A patent/US3267467A/en not_active Expired - Lifetime
- 1963-01-21 GB GB2604/63A patent/GB1028339A/en not_active Expired
- 1963-01-22 DE DEC28967A patent/DE1277949B/de active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1290994B (de) * | 1964-04-23 | 1969-03-20 | Thomson Houston Comp Francaise | Schaltungsanordnung zur Unterdrueckung der Bodenechos im Empfaenger eines Impulsradargeraets |
EP0049087A1 (fr) * | 1980-09-27 | 1982-04-07 | The Marconi Company Limited | Radar, sonar et systèmes semblables |
EP0051361A2 (fr) * | 1980-09-27 | 1982-05-12 | The Marconi Company Limited | Appareil radar |
EP0051361A3 (en) * | 1980-09-27 | 1982-10-06 | The Marconi Company Limited | Radar apparatus |
US4626855A (en) * | 1980-09-27 | 1986-12-02 | The Marconi Company Limited | Radar, sonar and similar systems |
Also Published As
Publication number | Publication date |
---|---|
GB1028339A (en) | 1966-05-04 |
NL287919A (fr) | |
DE1277949B (de) | 1968-09-19 |
US3267467A (en) | 1966-08-16 |
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