GB1054505A - - Google Patents
Info
- Publication number
- GB1054505A GB1054505A GB1054505DA GB1054505A GB 1054505 A GB1054505 A GB 1054505A GB 1054505D A GB1054505D A GB 1054505DA GB 1054505 A GB1054505 A GB 1054505A
- Authority
- GB
- United Kingdom
- Prior art keywords
- output
- mixer
- frequency
- oscillator
- discriminator
- 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.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000001427 coherent effect Effects 0.000 abstract 1
- 239000010453 quartz Substances 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 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
- G01S13/534—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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR31877A FR1447035A (fr) | 1965-09-18 | 1965-09-18 | Montage pour supprimer les échos fixes dans un radar émettant des impulsions incohérentes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1054505A true GB1054505A (enrdf_load_stackoverflow) |
Family
ID=8588623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1054505D Active GB1054505A (enrdf_load_stackoverflow) | 1965-09-18 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1447035A (enrdf_load_stackoverflow) |
| GB (1) | GB1054505A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1297701B (de) * | 1966-09-29 | 1969-06-19 | Siemens Ag | Verfahren zur Verbesserung des Signal-Rauschabstandes eines Signals mit nur annaehernd bekannter Frequenz |
| FR2077662A1 (enrdf_load_stackoverflow) * | 1970-02-03 | 1971-11-05 | Thomson Csf | |
| FR2077702A1 (enrdf_load_stackoverflow) * | 1970-02-06 | 1971-11-05 | Thomson Csf |
-
0
- GB GB1054505D patent/GB1054505A/en active Active
-
1965
- 1965-09-18 FR FR31877A patent/FR1447035A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1447035A (fr) | 1966-07-22 |
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