FR1302136A - Perfectionnements aux ensembles radar notamment pour accroître le rapport signal/parasites - Google Patents
Perfectionnements aux ensembles radar notamment pour accroître le rapport signal/parasitesInfo
- Publication number
- FR1302136A FR1302136A FR874468A FR874468A FR1302136A FR 1302136 A FR1302136 A FR 1302136A FR 874468 A FR874468 A FR 874468A FR 874468 A FR874468 A FR 874468A FR 1302136 A FR1302136 A FR 1302136A
- Authority
- FR
- France
- Prior art keywords
- increase
- signal
- interference ratio
- radar assemblies
- radar
- 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
- 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
-
- 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
- G01S13/18—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein range gates are used
-
- 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
- G01S13/222—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using irregular pulse repetition frequency using random or pseudorandom pulse repetition frequency
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR874468A FR1302136A (fr) | 1960-08-12 | 1961-09-28 | Perfectionnements aux ensembles radar notamment pour accroître le rapport signal/parasites |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2808560A GB898380A (en) | 1960-08-12 | 1960-08-12 | Radar system |
FR874468A FR1302136A (fr) | 1960-08-12 | 1961-09-28 | Perfectionnements aux ensembles radar notamment pour accroître le rapport signal/parasites |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1302136A true FR1302136A (fr) | 1962-08-24 |
Family
ID=26192478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR874468A Expired FR1302136A (fr) | 1960-08-12 | 1961-09-28 | Perfectionnements aux ensembles radar notamment pour accroître le rapport signal/parasites |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1302136A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2364463A1 (fr) * | 1976-09-09 | 1978-04-07 | Asea Ab | Systeme pour la mesure de l'altitude des nuages |
FR2445856A1 (fr) * | 1978-07-31 | 1980-08-01 | Prakla Seismos Gmbh | Procede de controle de processus souterrains de combustion et de gazeification dans des veines de charbon |
-
1961
- 1961-09-28 FR FR874468A patent/FR1302136A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2364463A1 (fr) * | 1976-09-09 | 1978-04-07 | Asea Ab | Systeme pour la mesure de l'altitude des nuages |
FR2445856A1 (fr) * | 1978-07-31 | 1980-08-01 | Prakla Seismos Gmbh | Procede de controle de processus souterrains de combustion et de gazeification dans des veines de charbon |
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