GB1306121A - - Google Patents
Info
- Publication number
- GB1306121A GB1306121A GB2948870A GB2948870A GB1306121A GB 1306121 A GB1306121 A GB 1306121A GB 2948870 A GB2948870 A GB 2948870A GB 2948870 A GB2948870 A GB 2948870A GB 1306121 A GB1306121 A GB 1306121A
- Authority
- GB
- United Kingdom
- Prior art keywords
- differences
- recurrence
- pulse
- radar
- multipliers
- 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
- 238000002592 echocardiography Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 230000001427 coherent effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 230000015654 memory Effects 0.000 abstract 1
- 230000004044 response Effects 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 abstract 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
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR6920581A FR2050644A5 (enExample) | 1969-06-19 | 1969-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1306121A true GB1306121A (enExample) | 1973-02-07 |
Family
ID=9036043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2948870A Expired GB1306121A (enExample) | 1969-06-19 | 1970-06-17 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3706990A (enExample) |
| DE (1) | DE2029836C3 (enExample) |
| FR (1) | FR2050644A5 (enExample) |
| GB (1) | GB1306121A (enExample) |
| NL (1) | NL7008848A (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2556104B2 (fr) * | 1975-10-29 | 1988-06-03 | Labo Cent Telecommunicat | Perfectionnements aux radars doppler a impulsions |
| FR2550347B1 (fr) * | 1975-10-29 | 1988-03-04 | Labo Cent Telecommunicat | Perfectionnements aux radars doppler a impulsions |
| US4057800A (en) * | 1976-06-01 | 1977-11-08 | Grumman Aerospace Corporation | Multi-PRF signal processor system |
| US4488154A (en) * | 1980-04-25 | 1984-12-11 | Raytheon Company | Radar processor |
| DE3033382C2 (de) * | 1980-09-04 | 1982-06-09 | Siemens AG, 1000 Berlin und 8000 München | Puls-Doppler-Radar mit einer von Rekursionsfiltern gebildeten Festzeichenunterdrückungsschaltung |
| IT1197641B (it) * | 1983-05-04 | 1988-12-06 | Selenia Ind Elettroniche | Dispositivo per l'identificazione e la soppressione di echi indesiderati di seconda traccia in sistemi radar |
| NL8403758A (nl) * | 1984-12-11 | 1986-07-01 | Hollandse Signaalapparaten Bv | Impulsradarapparaat. |
| US5563601A (en) * | 1985-08-16 | 1996-10-08 | Northrop Grumman Corporation. | Two-port synthetic aperature radar system for radar detection of targets |
| US4931800A (en) * | 1989-05-12 | 1990-06-05 | Raytheon Company | Stagger compensated moving target detector |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3508262A (en) * | 1962-01-09 | 1970-04-21 | Gen Electric | Radar system |
| US3480953A (en) * | 1968-05-17 | 1969-11-25 | Us Army | Moving target indicator having staggered pulse repetition frequency |
-
1969
- 1969-06-19 FR FR6920581A patent/FR2050644A5/fr not_active Expired
-
1970
- 1970-06-10 US US45128A patent/US3706990A/en not_active Expired - Lifetime
- 1970-06-17 NL NL7008848A patent/NL7008848A/xx unknown
- 1970-06-17 GB GB2948870A patent/GB1306121A/en not_active Expired
- 1970-06-18 DE DE2029836A patent/DE2029836C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2050644A5 (enExample) | 1971-04-02 |
| DE2029836A1 (enExample) | 1970-12-23 |
| DE2029836B2 (de) | 1979-12-06 |
| DE2029836C3 (de) | 1980-08-14 |
| NL7008848A (enExample) | 1970-12-22 |
| US3706990A (en) | 1972-12-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |