GB1408289A - Doppler radar systems - Google Patents
Doppler radar systemsInfo
- Publication number
- GB1408289A GB1408289A GB5522872A GB5522872A GB1408289A GB 1408289 A GB1408289 A GB 1408289A GB 5522872 A GB5522872 A GB 5522872A GB 5522872 A GB5522872 A GB 5522872A GB 1408289 A GB1408289 A GB 1408289A
- Authority
- GB
- United Kingdom
- Prior art keywords
- radar
- pulse
- blind
- speeds
- filter
- 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
- G01S13/50—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 |
|---|---|---|---|
| IN1080/CAL/73A IN138112B (de) | 1972-11-30 | 1973-05-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH16272A CH533313A (de) | 1972-01-06 | 1972-01-06 | Radarverfahren nach dem Impulsdopplerprinzip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1408289A true GB1408289A (en) | 1975-10-01 |
Family
ID=4180666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5522872A Expired GB1408289A (en) | 1972-01-06 | 1972-11-30 | Doppler radar systems |
Country Status (9)
| Country | Link |
|---|---|
| AT (1) | AT332458B (de) |
| BE (1) | BE793702A (de) |
| CH (1) | CH533313A (de) |
| DE (1) | DE2206887A1 (de) |
| ES (1) | ES410345A1 (de) |
| GB (1) | GB1408289A (de) |
| IT (1) | IT986873B (de) |
| LU (1) | LU66789A1 (de) |
| NL (1) | NL7300135A (de) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4143373A (en) * | 1977-09-21 | 1979-03-06 | Hughes Aircraft Company | Adaptive radar systems and methods therefor |
| US4642641A (en) * | 1976-07-29 | 1987-02-10 | Westinghouse Electric Corp. | Variable PRF target tracking radar |
| GB2191647A (en) * | 1979-09-07 | 1987-12-16 | Thomson Csf | Frequency-agile Doppler radars |
-
0
- BE BE793702D patent/BE793702A/xx unknown
-
1972
- 1972-01-06 CH CH16272A patent/CH533313A/de not_active IP Right Cessation
- 1972-02-14 DE DE19722206887 patent/DE2206887A1/de active Pending
- 1972-11-29 AT AT1016972A patent/AT332458B/de not_active IP Right Cessation
- 1972-11-30 GB GB5522872A patent/GB1408289A/en not_active Expired
- 1972-12-29 IT IT3393672A patent/IT986873B/it active
-
1973
- 1973-01-04 ES ES410345A patent/ES410345A1/es not_active Expired
- 1973-01-04 LU LU66789D patent/LU66789A1/xx unknown
- 1973-01-04 NL NL7300135A patent/NL7300135A/xx unknown
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4642641A (en) * | 1976-07-29 | 1987-02-10 | Westinghouse Electric Corp. | Variable PRF target tracking radar |
| US4143373A (en) * | 1977-09-21 | 1979-03-06 | Hughes Aircraft Company | Adaptive radar systems and methods therefor |
| FR2404232A1 (de) * | 1977-09-21 | 1979-04-20 | Hughes Aircraft Co | |
| GB2191647A (en) * | 1979-09-07 | 1987-12-16 | Thomson Csf | Frequency-agile Doppler radars |
Also Published As
| Publication number | Publication date |
|---|---|
| ES410345A1 (es) | 1976-05-01 |
| DE2206887A1 (de) | 1973-07-12 |
| CH533313A (de) | 1973-01-31 |
| NL7300135A (de) | 1973-07-10 |
| BE793702A (fr) | 1973-05-02 |
| ATA1016972A (de) | 1976-01-15 |
| LU66789A1 (de) | 1973-03-19 |
| IT986873B (it) | 1975-01-30 |
| AT332458B (de) | 1976-09-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |