GB1518579A - Method of and apparatus for measuring the frequency of non-coherent wave beam - Google Patents

Method of and apparatus for measuring the frequency of non-coherent wave beam

Info

Publication number
GB1518579A
GB1518579A GB4864376A GB4864376A GB1518579A GB 1518579 A GB1518579 A GB 1518579A GB 4864376 A GB4864376 A GB 4864376A GB 4864376 A GB4864376 A GB 4864376A GB 1518579 A GB1518579 A GB 1518579A
Authority
GB
United Kingdom
Prior art keywords
value
bad
counter
mean value
initialization
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
GB4864376A
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.)
Patelhold Patenverwertungs and Elektro-Holding AG
Original Assignee
Patelhold Patenverwertungs and Elektro-Holding AG
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 Patenverwertungs and Elektro-Holding AG filed Critical Patelhold Patenverwertungs and Elektro-Holding AG
Publication of GB1518579A publication Critical patent/GB1518579A/en
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
    • G01S13/50—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

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)
  • Ultra Sonic Daignosis Equipment (AREA)
GB4864376A 1975-11-24 1976-11-22 Method of and apparatus for measuring the frequency of non-coherent wave beam Expired GB1518579A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1518975A CH601804A5 (enExample) 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
GB1518579A true GB1518579A (en) 1978-07-19

Family

ID=25715901

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4864376A Expired GB1518579A (en) 1975-11-24 1976-11-22 Method of and apparatus for measuring the frequency of non-coherent wave beam

Country Status (5)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119526A (en) * 1982-04-19 1983-11-16 Gen Electric Analysing waveforms
GB2191353B (en) * 1986-05-28 1990-06-27 Marconi Instruments Ltd Fm frequency measuring apparatus
CN116203315A (zh) * 2023-05-06 2023-06-02 国仪量子(合肥)技术有限公司 频率测量方法及装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2411418A1 (fr) * 1977-12-08 1979-07-06 Labo Cent Telecommunicat Procede et dispositif d'elimination des echos de retours multiples pour radars doppler a impulsions

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119526A (en) * 1982-04-19 1983-11-16 Gen Electric Analysing waveforms
GB2191353B (en) * 1986-05-28 1990-06-27 Marconi Instruments Ltd Fm frequency measuring apparatus
CN116203315A (zh) * 2023-05-06 2023-06-02 国仪量子(合肥)技术有限公司 频率测量方法及装置

Also Published As

Publication number Publication date
CH608621A5 (en) 1979-01-15
NL7612958A (nl) 1977-05-31
DE2600433C2 (de) 1984-01-19
FR2333246B2 (enExample) 1983-06-24
FR2333246A2 (fr) 1977-06-24
DE2600433A1 (de) 1977-06-08

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921122