FR2514901B1 - - Google Patents
Info
- Publication number
- FR2514901B1 FR2514901B1 FR8119380A FR8119380A FR2514901B1 FR 2514901 B1 FR2514901 B1 FR 2514901B1 FR 8119380 A FR8119380 A FR 8119380A FR 8119380 A FR8119380 A FR 8119380A FR 2514901 B1 FR2514901 B1 FR 2514901B1
- Authority
- FR
- France
- 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
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0038—Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing pulses or pulse trains according to amplitude)
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
- G01R25/005—Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller, or for passing one of the input signals as output signal
-
- 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
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8119380A FR2514901A1 (fr) | 1981-10-15 | 1981-10-15 | Procede et dispositif pour comparer l'amplitude et la phase instantanees de deux signaux electriques sinusoidaux de meme frequence et application a la formation d'image par radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8119380A FR2514901A1 (fr) | 1981-10-15 | 1981-10-15 | Procede et dispositif pour comparer l'amplitude et la phase instantanees de deux signaux electriques sinusoidaux de meme frequence et application a la formation d'image par radar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2514901A1 FR2514901A1 (fr) | 1983-04-22 |
| FR2514901B1 true FR2514901B1 (OSRAM) | 1985-03-22 |
Family
ID=9263057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8119380A Granted FR2514901A1 (fr) | 1981-10-15 | 1981-10-15 | Procede et dispositif pour comparer l'amplitude et la phase instantanees de deux signaux electriques sinusoidaux de meme frequence et application a la formation d'image par radar |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2514901A1 (OSRAM) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4593246A (en) * | 1984-09-12 | 1986-06-03 | Varian Associates, Inc. | NMR tuning procedure |
| US5204683A (en) * | 1988-01-22 | 1993-04-20 | Thomson-Csf | Radar receiver for a radar having a digital beam forming antenna |
| FR2645280B1 (fr) * | 1988-01-22 | 1992-04-30 | Thomson Csf | Recepteur radar, notamment pour radar ayant une antenne a formation de faisceau par le calcul |
| GB8901054D0 (en) * | 1989-01-18 | 1989-07-05 | Emi Plc Thorn | Phase difference measurement |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2086722A5 (OSRAM) * | 1970-04-07 | 1971-12-31 | Thomson Csf | |
| FR2225753A1 (en) * | 1973-04-10 | 1974-11-08 | Anvar | Instantaneous measure of electrical phase differences - between signals of arbitrary waveshape involves calculation of sines and cosines |
| US3875394A (en) * | 1973-04-20 | 1975-04-01 | Willis H Acting Admini Shapely | Correlation type phase detector |
| FR2469824A1 (fr) * | 1979-11-14 | 1981-05-22 | Thomson Csf | Procede de demodulation d'un signal module en frequence et demodulateurs mettant en oeuvre ce procede |
-
1981
- 1981-10-15 FR FR8119380A patent/FR2514901A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2514901A1 (fr) | 1983-04-22 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |