FR1359164A - Oscillateur à fréquence variable - Google Patents

Oscillateur à fréquence variable

Info

Publication number
FR1359164A
FR1359164A FR923139A FR923139A FR1359164A FR 1359164 A FR1359164 A FR 1359164A FR 923139 A FR923139 A FR 923139A FR 923139 A FR923139 A FR 923139A FR 1359164 A FR1359164 A FR 1359164A
Authority
FR
France
Prior art keywords
variable frequency
frequency oscillator
oscillator
variable
frequency
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
Application number
FR923139A
Other languages
English (en)
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.)
Raytheon Co
Original Assignee
Raytheon Co
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 Raytheon Co filed Critical Raytheon Co
Application granted granted Critical
Publication of FR1359164A publication Critical patent/FR1359164A/fr
Expired legal-status Critical Current

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
    • 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
    • G01S13/103—Systems for measuring distance only using transmission of interrupted, pulse modulated waves particularities of the measurement of the distance
    • 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
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S13/585—Velocity or trajectory determination systems; Sense-of-movement determination systems processing the video signal in order to evaluate or display the velocity value
    • G01S13/586—Velocity or trajectory determination systems; Sense-of-movement determination systems processing the video signal in order to evaluate or display the velocity value using, or combined with, frequency tracking means

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
FR923139A 1962-04-25 1963-01-30 Oscillateur à fréquence variable Expired FR1359164A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US190081A US3265986A (en) 1962-04-25 1962-04-25 Variable frequency oscillators

Publications (1)

Publication Number Publication Date
FR1359164A true FR1359164A (fr) 1964-04-24

Family

ID=22699947

Family Applications (1)

Application Number Title Priority Date Filing Date
FR923139A Expired FR1359164A (fr) 1962-04-25 1963-01-30 Oscillateur à fréquence variable

Country Status (5)

Country Link
US (1) US3265986A (fr)
DE (1) DE1268686C2 (fr)
FR (1) FR1359164A (fr)
GB (1) GB987732A (fr)
NL (1) NL288519A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2298112A1 (fr) * 1975-01-17 1976-08-13 Krupp Gmbh Montage numerique suiveur de frequence pour la mesure continue d'une frequence porteuse d'impulsions

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3384821A (en) * 1965-08-03 1968-05-21 Army Usa Fixed frequency phase memory apparatus
US3440645A (en) * 1965-08-04 1969-04-22 Collins Radio Co Analog-to-digital converter
US3378786A (en) * 1966-11-14 1968-04-16 Collins Radio Co Digitalized signal gain control circuit
US3392350A (en) * 1966-12-06 1968-07-09 Susquehanna Corp Variable timing circuit
US3522549A (en) * 1967-04-25 1970-08-04 Hughes Aircraft Co Automatic frequency control loop with frequency discriminator and digital counter
US3593176A (en) * 1969-04-14 1971-07-13 Fluke Mfg Co John Error signal sensing system using variable frequency oscillator and up/down counter
US4152650A (en) * 1977-04-22 1979-05-01 The Foxboro Company Continuously-synchronized tracking receiver for a priori defined swept carriers
EP1819050B1 (fr) * 2006-02-09 2009-05-27 Infineon Technologies AG Boucle à retard verrouillé comprenant un élément asynchrone d'arbitrage

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB528105A (en) * 1938-04-28 1940-10-22 Marconi Wireless Telegraph Co Improvements in or relating to electrical oscillation generators
US2304377A (en) * 1941-02-11 1942-12-08 Rca Corp Automatic frequency control system
GB557889A (en) * 1942-07-07 1943-12-09 Rca Corp Improvements in frequency or phase modulation systems
US2405771A (en) * 1942-07-11 1946-08-13 Hartford Nat Bank & Trust Co Method of synchronizing a plurality of oscillations
US2544407A (en) * 1946-05-02 1951-03-06 Raytheon Mfg Co Electrical circuits
US2490500A (en) * 1946-12-28 1949-12-06 Rca Corp Stabilized oscillator generator
US2706785A (en) * 1951-05-21 1955-04-19 Rca Corp Low-frequency standard generator
US2777951A (en) * 1952-12-10 1957-01-15 Sperry Rand Corp Erequency modulating systems for phase-shift oscillators
US2774872A (en) * 1952-12-17 1956-12-18 Bell Telephone Labor Inc Phase shifting circuit
US2949585A (en) * 1958-05-01 1960-08-16 Gen Electric Delay line for angular modulation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2298112A1 (fr) * 1975-01-17 1976-08-13 Krupp Gmbh Montage numerique suiveur de frequence pour la mesure continue d'une frequence porteuse d'impulsions

Also Published As

Publication number Publication date
US3265986A (en) 1966-08-09
NL288519A (fr)
DE1268686B (de) 1968-05-22
GB987732A (en) 1965-03-31
DE1268686C2 (de) 1968-12-12

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