FR2381318A1 - Dispositif de traitement de signaux radar - Google Patents
Dispositif de traitement de signaux radarInfo
- Publication number
- FR2381318A1 FR2381318A1 FR7538104A FR7538104A FR2381318A1 FR 2381318 A1 FR2381318 A1 FR 2381318A1 FR 7538104 A FR7538104 A FR 7538104A FR 7538104 A FR7538104 A FR 7538104A FR 2381318 A1 FR2381318 A1 FR 2381318A1
- Authority
- FR
- France
- Prior art keywords
- buffer
- echo signal
- echo
- intermediate frequency
- sampling circuit
- 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.)
- Withdrawn
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
- G01S7/2921—Extracting wanted echo-signals based on data belonging to one radar period
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)
Abstract
Dispositif de traitement des signaux bruts fournis par un radar. Les signaux d'écho d'un radar altimétrique embarqué sont fractionnés en intervalles séquentiels, et les signaux élémentaires correspondant à chaque intervalle sont lissés séparément pour atténuer les effets de la scintillation. Ceci est realisé par un réseau de lissage 17 comportant des condensateurs chargés séquentiellement. Le signal de sortie du réseau 17 est comparé à celui du générateur de fonction 12 qui engendre un signal correspondant à l'altitude-sol de référence L'invention peut être utilisée pour le vol à basse altitude.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7538104A FR2381318A1 (fr) | 1975-12-12 | 1975-12-12 | Dispositif de traitement de signaux radar |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7538104A FR2381318A1 (fr) | 1975-12-12 | 1975-12-12 | Dispositif de traitement de signaux radar |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2381318A1 true FR2381318A1 (fr) | 1978-09-15 |
Family
ID=9163677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7538104A Withdrawn FR2381318A1 (fr) | 1975-12-12 | 1975-12-12 | Dispositif de traitement de signaux radar |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2381318A1 (fr) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3201787A (en) * | 1959-07-23 | 1965-08-17 | Int Standard Electric Corp | Method of suppressing noise, compressing bandwidth, and evaluating radar-picture signals or similar periodic trains of impulses |
US3896390A (en) * | 1974-02-11 | 1975-07-22 | Us Navy | High-speed sampler with variable sample rate |
-
1975
- 1975-12-12 FR FR7538104A patent/FR2381318A1/fr not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3201787A (en) * | 1959-07-23 | 1965-08-17 | Int Standard Electric Corp | Method of suppressing noise, compressing bandwidth, and evaluating radar-picture signals or similar periodic trains of impulses |
US3896390A (en) * | 1974-02-11 | 1975-07-22 | Us Navy | High-speed sampler with variable sample rate |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |