CH608621A5 - Method for measuring the frequency and duration of periods of non-coherent wave packets - Google Patents

Method for measuring the frequency and duration of periods of non-coherent wave packets

Info

Publication number
CH608621A5
CH608621A5 CH1531275A CH1531275A CH608621A5 CH 608621 A5 CH608621 A5 CH 608621A5 CH 1531275 A CH1531275 A CH 1531275A CH 1531275 A CH1531275 A CH 1531275A CH 608621 A5 CH608621 A5 CH 608621A5
Authority
CH
Switzerland
Prior art keywords
periods
duration
measuring
frequency
wave packets
Prior art date
Application number
CH1531275A
Inventor
Peter Dr Affolter
Max Dr Gautschi
Original Assignee
Patelhold Patentverwertung
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
Priority claimed from CH1518975A external-priority patent/CH601804A5/xx
Application filed by Patelhold Patentverwertung filed Critical Patelhold Patentverwertung
Priority to CH1531275A priority Critical patent/CH608621A5/en
Priority to DE19762600433 priority patent/DE2600433C2/en
Priority to IT2963176A priority patent/IT1067766B/en
Priority to GB4864376A priority patent/GB1518579A/en
Priority to NL7612958A priority patent/NL7612958A/en
Priority to FR7635863A priority patent/FR2333246A2/en
Publication of CH608621A5 publication Critical patent/CH608621A5/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
    • 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
    • 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
    • G01S7/2806—Employing storage or delay devices which preserve the pulse form of the echo signal, e.g. for comparing and combining echoes received during different periods
CH1531275A 1975-11-24 1975-11-26 Method for measuring the frequency and duration of periods of non-coherent wave packets CH608621A5 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH1531275A CH608621A5 (en) 1975-11-24 1975-11-26 Method for measuring the frequency and duration of periods of non-coherent wave packets
DE19762600433 DE2600433C2 (en) 1975-11-24 1976-01-08 Method for measuring the frequency and period of the carrier signal of non-coherent wave packets and application of the method
IT2963176A IT1067766B (en) 1975-11-26 1976-11-22 Frequency and periodic time measurement - using counter and comparison logic for non-coherent wave packages in Doppler velocity meters (NL 31.5.77)
GB4864376A GB1518579A (en) 1975-11-24 1976-11-22 Method of and apparatus for measuring the frequency of non-coherent wave beam
NL7612958A NL7612958A (en) 1975-11-24 1976-11-22 DEVICE FOR PREVENTION OF FALSE INDICATION AND FOR OBTAINING AN INITIAL SETTING FOR SPEEDOMETERS ACCORDING TO THE DOPPLER PRINCIPLE.
FR7635863A FR2333246A2 (en) 1975-11-24 1976-11-22 METHOD OF MEASURING FREQUENCIES AND PERIOD LENGTH IN NON-COHERENT WAVEPACKETS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1518975A CH601804A5 (en) 1975-11-24 1975-11-24
CH1531275A CH608621A5 (en) 1975-11-24 1975-11-26 Method for measuring the frequency and duration of periods of non-coherent wave packets

Publications (1)

Publication Number Publication Date
CH608621A5 true CH608621A5 (en) 1979-01-15

Family

ID=25715901

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1531275A CH608621A5 (en) 1975-11-24 1975-11-26 Method for measuring the frequency and duration of periods of non-coherent wave packets

Country Status (5)

Country Link
CH (1) CH608621A5 (en)
DE (1) DE2600433C2 (en)
FR (1) FR2333246A2 (en)
GB (1) GB1518579A (en)
NL (1) NL7612958A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2411418A1 (en) * 1977-12-08 1979-07-06 Labo Cent Telecommunicat METHOD AND DEVICE FOR ELIMINATING MULTIPLE RETURN ECHOES FOR PULSE DOPPLER RADARS
US4453550A (en) * 1982-04-19 1984-06-12 General Electric Company Method and means for detecting a periodic wave structure
FR2531225A3 (en) * 1982-07-28 1984-02-03 Faiveley Ets Method of measuring kinematic parameters of a land vehicle, device for implementation thereof and application to a railway vehicle.
GB8612904D0 (en) * 1986-05-28 1986-07-02 Marconi Instruments Ltd Electrical apparatus
CN116203315B (en) * 2023-05-06 2023-07-25 国仪量子(合肥)技术有限公司 Frequency measurement method and device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1283809A (en) * 1970-12-08 1972-08-02 Mullard Ltd Improvements in or relating to the automatic measurement of pulse repetition intervals

Also Published As

Publication number Publication date
FR2333246B2 (en) 1983-06-24
FR2333246A2 (en) 1977-06-24
NL7612958A (en) 1977-05-31
DE2600433C2 (en) 1984-01-19
GB1518579A (en) 1978-07-19
DE2600433A1 (en) 1977-06-08

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Legal Events

Date Code Title Description
PL Patent ceased