DE2133068A1 - Radarsystem mit Festzeichenloeschung - Google Patents
Radarsystem mit FestzeichenloeschungInfo
- Publication number
- DE2133068A1 DE2133068A1 DE19712133068 DE2133068A DE2133068A1 DE 2133068 A1 DE2133068 A1 DE 2133068A1 DE 19712133068 DE19712133068 DE 19712133068 DE 2133068 A DE2133068 A DE 2133068A DE 2133068 A1 DE2133068 A1 DE 2133068A1
- Authority
- DE
- Germany
- Prior art keywords
- signals
- signal
- subtraction circuit
- radar
- subtraction
- 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
- 230000003111 delayed effect Effects 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000002452 interceptive effect Effects 0.000 claims description 2
- 241000607479 Yersinia pestis Species 0.000 description 10
- 206010035148 Plague Diseases 0.000 description 8
- 238000002592 echocardiography Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 230000010363 phase shift Effects 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000037430 deletion Effects 0.000 description 3
- 238000012217 deletion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/285—Receivers
- G01S7/292—Extracting wanted echo-signals
- G01S7/2923—Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods
- G01S7/2928—Random or non-synchronous interference pulse cancellers
-
- 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 |
|---|---|---|---|
| GB3236670 | 1970-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2133068A1 true DE2133068A1 (de) | 1972-01-05 |
Family
ID=10337501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712133068 Pending DE2133068A1 (de) | 1970-07-03 | 1971-07-02 | Radarsystem mit Festzeichenloeschung |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2133068A1 (OSRAM) |
| FR (1) | FR2097168A1 (OSRAM) |
| GB (1) | GB1348249A (OSRAM) |
| NL (1) | NL7109057A (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2512210A1 (fr) * | 1981-08-28 | 1983-03-04 | Thomson Csf | Dispositif d'elimination des echos mobiles de ne trace et des echos parasites dans un radar |
| US6870502B1 (en) * | 2003-08-29 | 2005-03-22 | Raytheon Company | Advanced asynchronous pulse detector |
-
1971
- 1971-06-24 GB GB1348249D patent/GB1348249A/en not_active Expired
- 1971-06-30 NL NL7109057A patent/NL7109057A/xx unknown
- 1971-07-02 FR FR7124217A patent/FR2097168A1/fr not_active Withdrawn
- 1971-07-02 DE DE19712133068 patent/DE2133068A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL7109057A (OSRAM) | 1972-01-05 |
| GB1348249A (en) | 1974-03-13 |
| FR2097168A1 (OSRAM) | 1972-03-03 |
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