GB1251270A - - Google Patents

Info

Publication number
GB1251270A
GB1251270A GB1251270DA GB1251270A GB 1251270 A GB1251270 A GB 1251270A GB 1251270D A GB1251270D A GB 1251270DA GB 1251270 A GB1251270 A GB 1251270A
Authority
GB
United Kingdom
Prior art keywords
frequency
gate
fed
triggering
local oscillator
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
Other languages
English (en)
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 SE7299/68A external-priority patent/SE319813B/xx
Application filed filed Critical
Publication of GB1251270A publication Critical patent/GB1251270A/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
    • G01S13/06—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
    • 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
    • G01S7/282—Transmitters

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)
GB1251270D 1968-05-30 1969-05-27 Expired GB1251270A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7299/68A SE319813B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-05-30 1968-05-30
US82928269A 1969-06-02 1969-06-02

Publications (1)

Publication Number Publication Date
GB1251270A true GB1251270A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-10-27

Family

ID=26654774

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1251270D Expired GB1251270A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-05-30 1969-05-27

Country Status (3)

Country Link
US (1) US3611380A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2009679A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1251270A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071844A (en) * 1976-04-16 1978-01-31 Westinghouse Electric Corporation Frequency control for frequency agile pulse radar
SE456537B (sv) * 1987-01-28 1988-10-10 Philips Norden Ab Radaranleggning
US5151703A (en) * 1991-12-06 1992-09-29 Allied-Signal Inc. Method and apparatus for improved automatic fequency control
CN101950015B (zh) * 2010-10-12 2012-09-26 西安天伟电子系统工程有限公司 线性调频连续波雷达灵敏度频率控制方法
EP2660568A1 (de) * 2012-05-03 2013-11-06 VEGA Grieshaber KG Fehlerkompensation durch Vermessen der STC-Filterfunktion

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL247239A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1959-01-12
US3249937A (en) * 1963-08-06 1966-05-03 Philips Corp Device for regulating the frequency of an oscillator substantially in coincidence with variations in the natural frequency of a resonance circuit
US3290678A (en) * 1965-02-05 1966-12-06 Philips Corp Means for correcting the local oscillator frequency in a radar system
SE328922B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1965-06-03 1970-09-28 Philips Svenska Ab
US3365718A (en) * 1965-08-31 1968-01-23 Philips Corp Device for disturbance suppression in a radar equipment

Also Published As

Publication number Publication date
DE1926727B2 (de) 1975-09-04
US3611380A (en) 1971-10-05
DE1926727A1 (de) 1970-01-15
FR2009679A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1970-02-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years