FR2556104B2 - Perfectionnements aux radars doppler a impulsions - Google Patents
Perfectionnements aux radars doppler a impulsionsInfo
- Publication number
- FR2556104B2 FR2556104B2 FR7603145A FR7603145A FR2556104B2 FR 2556104 B2 FR2556104 B2 FR 2556104B2 FR 7603145 A FR7603145 A FR 7603145A FR 7603145 A FR7603145 A FR 7603145A FR 2556104 B2 FR2556104 B2 FR 2556104B2
- Authority
- FR
- France
- Prior art keywords
- pulse doppler
- doppler radars
- radars
- pulse
- doppler
- 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
-
- 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
- G01S13/22—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using irregular pulse repetition frequency
-
- 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
- G01S13/528—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 with elimination of blind speeds
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7603145A FR2556104B2 (fr) | 1975-10-29 | 1976-02-05 | Perfectionnements aux radars doppler a impulsions |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7533045A FR2550347B1 (fr) | 1975-10-29 | 1975-10-29 | Perfectionnements aux radars doppler a impulsions |
FR7603145A FR2556104B2 (fr) | 1975-10-29 | 1976-02-05 | Perfectionnements aux radars doppler a impulsions |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2556104A2 FR2556104A2 (fr) | 1985-06-07 |
FR2556104B2 true FR2556104B2 (fr) | 1988-06-03 |
Family
ID=26219124
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7603145A Expired FR2556104B2 (fr) | 1975-10-29 | 1976-02-05 | Perfectionnements aux radars doppler a impulsions |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2556104B2 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8906520D0 (en) * | 1989-03-21 | 1989-11-08 | British Aerospace | Synthetic aperture radar |
US7444365B2 (en) | 2002-06-18 | 2008-10-28 | A.D.C. Automotive Distance Control Systems Gmbh | Non-linear digital rank filtering of input signal values |
WO2003107035A2 (fr) * | 2002-06-18 | 2003-12-24 | Automotive Distance Control Systems Gmbh | Procede de suppression de perturbations dans des systemes de detection d'objets |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3277473A (en) * | 1963-12-09 | 1966-10-04 | Sr Charles D Calhoun | Digital technique for determining unambiguous information from ambiguous information |
FR1515000A (fr) * | 1966-09-21 | 1968-03-01 | Labo Cent Telecommunicat | Perfectionnements aux radars doppler cohérents à impulsions |
US3765017A (en) * | 1968-06-12 | 1973-10-09 | North American Rockwell | Amti range ambiguity resolver |
FR2050644A5 (fr) * | 1969-06-19 | 1971-04-02 | Thomson Csf | |
US3787851A (en) * | 1971-12-13 | 1974-01-22 | Westinghouse Electric Corp | Low prf pulse doppler radar having low speed ground moving target rejection |
US3831174A (en) * | 1973-02-05 | 1974-08-20 | Hughes Aircraft Co | Automatic target acquisition in mti radar system |
-
1976
- 1976-02-05 FR FR7603145A patent/FR2556104B2/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2556104A2 (fr) | 1985-06-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licenses | ||
CA | Change of address | ||
TP | Transmission of property |