FR2514901A1 - 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 - Google Patents

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 Download PDF

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Publication number
FR2514901A1
FR2514901A1 FR8119380A FR8119380A FR2514901A1 FR 2514901 A1 FR2514901 A1 FR 2514901A1 FR 8119380 A FR8119380 A FR 8119380A FR 8119380 A FR8119380 A FR 8119380A FR 2514901 A1 FR2514901 A1 FR 2514901A1
Authority
FR
France
Prior art keywords
signals
elementary
samples
sinusoidal
values
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.)
Granted
Application number
FR8119380A
Other languages
English (en)
French (fr)
Other versions
FR2514901B1 (enExample
Inventor
Rene Guern
Jean-Pierre Espaignet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Office National dEtudes et de Recherches Aerospatiales ONERA
Original Assignee
Office National dEtudes et de Recherches Aerospatiales ONERA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Office National dEtudes et de Recherches Aerospatiales ONERA filed Critical Office National dEtudes et de Recherches Aerospatiales ONERA
Priority to FR8119380A priority Critical patent/FR2514901A1/fr
Publication of FR2514901A1 publication Critical patent/FR2514901A1/fr
Application granted granted Critical
Publication of FR2514901B1 publication Critical patent/FR2514901B1/fr
Granted legal-status Critical Current

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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
    • 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)
FR8119380A 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 Granted FR2514901A1 (fr)

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 true FR2514901A1 (fr) 1983-04-22
FR2514901B1 FR2514901B1 (enExample) 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 (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0192708A4 (en) * 1984-09-12 1988-04-18 Varian Associates TUNING METHOD WITH NUCLEAR MAGNETIC RESONANCE.
FR2645280A1 (fr) * 1988-01-22 1990-10-05 Thomson Csf Recepteur radar, notamment pour radar ayant une antenne a formation de faisceau par le calcul
EP0379321A3 (en) * 1989-01-18 1991-07-03 THORN EMI Electronics Limited Phase difference measurement
US5204683A (en) * 1988-01-22 1993-04-20 Thomson-Csf Radar receiver for a radar having a digital beam forming antenna

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2086722A5 (enExample) * 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
EP0029376A2 (fr) * 1979-11-14 1981-05-27 Thomson-Csf Procédé de démodulation d'un signal modulé en fréquence et démodulateur mettant en oeuvre ce procédé

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2086722A5 (enExample) * 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
EP0029376A2 (fr) * 1979-11-14 1981-05-27 Thomson-Csf Procédé de démodulation d'un signal modulé en fréquence et démodulateur mettant en oeuvre ce procédé

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/79 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0192708A4 (en) * 1984-09-12 1988-04-18 Varian Associates TUNING METHOD WITH NUCLEAR MAGNETIC RESONANCE.
FR2645280A1 (fr) * 1988-01-22 1990-10-05 Thomson Csf Recepteur radar, notamment pour radar ayant une antenne a formation de faisceau par le calcul
US5204683A (en) * 1988-01-22 1993-04-20 Thomson-Csf Radar receiver for a radar having a digital beam forming antenna
EP0379321A3 (en) * 1989-01-18 1991-07-03 THORN EMI Electronics Limited Phase difference measurement

Also Published As

Publication number Publication date
FR2514901B1 (enExample) 1985-03-22

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