FR2273286A1 - L.F. generator for Doppler radar simulators - has at least two controlled oscillators, one delivering selectable reference frequency - Google Patents

L.F. generator for Doppler radar simulators - has at least two controlled oscillators, one delivering selectable reference frequency

Info

Publication number
FR2273286A1
FR2273286A1 FR7419087A FR7419087A FR2273286A1 FR 2273286 A1 FR2273286 A1 FR 2273286A1 FR 7419087 A FR7419087 A FR 7419087A FR 7419087 A FR7419087 A FR 7419087A FR 2273286 A1 FR2273286 A1 FR 2273286A1
Authority
FR
France
Prior art keywords
oscillators
generator
delivering
reference frequency
doppler 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.)
Granted
Application number
FR7419087A
Other languages
English (en)
French (fr)
Other versions
FR2273286B1 (de
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7419087A priority Critical patent/FR2273286A1/fr
Priority to DE2523456A priority patent/DE2523456C3/de
Publication of FR2273286A1 publication Critical patent/FR2273286A1/fr
Application granted granted Critical
Publication of FR2273286B1 publication Critical patent/FR2273286B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • 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
    • G01S7/40—Means for monitoring or calibrating
    • G01S7/4052—Means for monitoring or calibrating by simulation of echoes
    • 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
    • G01S7/40—Means for monitoring or calibrating
    • G01S7/4052—Means for monitoring or calibrating by simulation of echoes
    • G01S7/4082—Means for monitoring or calibrating by simulation of echoes using externally generated reference signals, e.g. via remote reflector or transponder

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Radar Systems Or Details Thereof (AREA)
FR7419087A 1974-05-31 1974-05-31 L.F. generator for Doppler radar simulators - has at least two controlled oscillators, one delivering selectable reference frequency Granted FR2273286A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7419087A FR2273286A1 (en) 1974-05-31 1974-05-31 L.F. generator for Doppler radar simulators - has at least two controlled oscillators, one delivering selectable reference frequency
DE2523456A DE2523456C3 (de) 1974-05-31 1975-05-27 Niederfrequenzgenerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7419087A FR2273286A1 (en) 1974-05-31 1974-05-31 L.F. generator for Doppler radar simulators - has at least two controlled oscillators, one delivering selectable reference frequency

Publications (2)

Publication Number Publication Date
FR2273286A1 true FR2273286A1 (en) 1975-12-26
FR2273286B1 FR2273286B1 (de) 1979-03-16

Family

ID=9139548

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7419087A Granted FR2273286A1 (en) 1974-05-31 1974-05-31 L.F. generator for Doppler radar simulators - has at least two controlled oscillators, one delivering selectable reference frequency

Country Status (2)

Country Link
DE (1) DE2523456C3 (de)
FR (1) FR2273286A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3145532A1 (de) * 1981-11-17 1983-05-26 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Einseitenbandgenerator
US20240020243A1 (en) * 2020-04-29 2024-01-18 Hewlett-Packard Development Company, L.P. Modification of audio signals based on ambient noise collected by speakers

Also Published As

Publication number Publication date
DE2523456C3 (de) 1979-03-22
FR2273286B1 (de) 1979-03-16
DE2523456A1 (de) 1975-12-04
DE2523456B2 (de) 1978-07-20

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ST Notification of lapse