JPS53112092A - Frequency modulated carrier wave radar unit - Google Patents

Frequency modulated carrier wave radar unit

Info

Publication number
JPS53112092A
JPS53112092A JP2663177A JP2663177A JPS53112092A JP S53112092 A JPS53112092 A JP S53112092A JP 2663177 A JP2663177 A JP 2663177A JP 2663177 A JP2663177 A JP 2663177A JP S53112092 A JPS53112092 A JP S53112092A
Authority
JP
Japan
Prior art keywords
carrier wave
wave radar
frequency modulated
modulated carrier
radar unit
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.)
Pending
Application number
JP2663177A
Other languages
Japanese (ja)
Inventor
Hiroyuki Hachitsuka
Naoto Tanabe
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP2663177A priority Critical patent/JPS53112092A/en
Publication of JPS53112092A publication Critical patent/JPS53112092A/en
Pending 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
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal

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)

Abstract

PURPOSE:To eliminate the balance mixer on the receiving side and simplify circuit configurations by providing an adder which adds the correction signal whose phase with an amplitude level is adjusted from a mudulation signal to the beat frequency signals being outputted from the mixer.
JP2663177A 1977-03-11 1977-03-11 Frequency modulated carrier wave radar unit Pending JPS53112092A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2663177A JPS53112092A (en) 1977-03-11 1977-03-11 Frequency modulated carrier wave radar unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2663177A JPS53112092A (en) 1977-03-11 1977-03-11 Frequency modulated carrier wave radar unit

Publications (1)

Publication Number Publication Date
JPS53112092A true JPS53112092A (en) 1978-09-30

Family

ID=12198787

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2663177A Pending JPS53112092A (en) 1977-03-11 1977-03-11 Frequency modulated carrier wave radar unit

Country Status (1)

Country Link
JP (1) JPS53112092A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58113775A (en) * 1982-12-08 1983-07-06 Hitachi Ltd Doppler radar device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58113775A (en) * 1982-12-08 1983-07-06 Hitachi Ltd Doppler radar device
JPH0113073B2 (en) * 1982-12-08 1989-03-03 Hitachi Seisakusho Kk

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