IE50482B1 - A measuring device for measuring the carrier frequency of short duration pulses - Google Patents

A measuring device for measuring the carrier frequency of short duration pulses

Info

Publication number
IE50482B1
IE50482B1 IE2521/80A IE252180A IE50482B1 IE 50482 B1 IE50482 B1 IE 50482B1 IE 2521/80 A IE2521/80 A IE 2521/80A IE 252180 A IE252180 A IE 252180A IE 50482 B1 IE50482 B1 IE 50482B1
Authority
IE
Ireland
Prior art keywords
frequency
discriminator
signal
value
during
Prior art date
Application number
IE2521/80A
Other languages
English (en)
Other versions
IE802521L (en
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of IE802521L publication Critical patent/IE802521L/xx
Publication of IE50482B1 publication Critical patent/IE50482B1/en

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
    • 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
    • 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
    • G01S13/24—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using frequency agility of carrier wave
    • 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
    • H03L7/08—Details of the phase-locked loop
    • H03L7/0805—Details of the phase-locked loop the loop being adapted to provide an additional control signal for use outside the loop

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)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Emergency Protection Circuit Devices (AREA)
IE2521/80A 1979-12-04 1980-12-03 A measuring device for measuring the carrier frequency of short duration pulses IE50482B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7909984A SE419000B (sv) 1979-12-04 1979-12-04 Anordning for att meta en fran puls till puls varierande berfrekvens

Publications (2)

Publication Number Publication Date
IE802521L IE802521L (en) 1981-06-04
IE50482B1 true IE50482B1 (en) 1986-04-30

Family

ID=20339466

Family Applications (1)

Application Number Title Priority Date Filing Date
IE2521/80A IE50482B1 (en) 1979-12-04 1980-12-03 A measuring device for measuring the carrier frequency of short duration pulses

Country Status (9)

Country Link
US (1) US4438392A (https=)
EP (1) EP0041968B1 (https=)
JP (1) JPS56501660A (https=)
CA (1) CA1183208A (https=)
DE (1) DE3068385D1 (https=)
IE (1) IE50482B1 (https=)
NO (1) NO152714C (https=)
SE (1) SE419000B (https=)
WO (1) WO1981001616A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1199155B (it) * 1984-07-09 1988-12-30 Selenia Ind Elettroniche Dispositivo elettronico per la sintonizzazione della frequenza di oscillazione di un vco,impulso per impulso,sulla frequenza portante dell'impulso radar
US4761604A (en) * 1987-04-27 1988-08-02 Tektronix, Inc. Identification of carrier frequency for pulsed signals
CN103698599B (zh) * 2013-12-27 2017-01-25 广东大普通信技术有限公司 恒温晶体振荡器拐点温度自动测量方法和系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2905894A (en) 1954-12-30 1959-09-22 Sperry Rand Corp Gated spectrum analyzer
US3609575A (en) 1970-03-03 1971-09-28 Ovitron Corp Harmonic sensitive network for phase lock of an oscillator
JPS5037459B2 (https=) * 1972-05-31 1975-12-02
US3968431A (en) 1974-05-30 1976-07-06 Board Of Regents, University Of Washington Measuring repetition rate
IT1021779B (it) * 1974-06-25 1978-02-20 Thomson Csf Procedimento e sistema di controllo automatico di frequenza
US4006429A (en) * 1975-09-26 1977-02-01 Jerrold Electronics Corporation Homodyne automatic frequency control circuit
US4063188A (en) * 1976-03-22 1977-12-13 Rca Corporation Injection-locked voltage controlled oscillators

Also Published As

Publication number Publication date
NO152714C (no) 1985-11-06
NO152714B (no) 1985-07-29
EP0041968A1 (en) 1981-12-23
DE3068385D1 (en) 1984-08-02
SE7909984L (https=) 1981-06-05
WO1981001616A1 (en) 1981-06-11
CA1183208A (en) 1985-02-26
SE419000B (sv) 1981-07-06
IE802521L (en) 1981-06-04
JPS56501660A (https=) 1981-11-12
US4438392A (en) 1984-03-20
NO812639L (no) 1981-08-03
EP0041968B1 (en) 1984-06-27

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Legal Events

Date Code Title Description
MM4A Patent lapsed