JPS5918469A - ドプラ式方向探知器 - Google Patents

ドプラ式方向探知器

Info

Publication number
JPS5918469A
JPS5918469A JP12860282A JP12860282A JPS5918469A JP S5918469 A JPS5918469 A JP S5918469A JP 12860282 A JP12860282 A JP 12860282A JP 12860282 A JP12860282 A JP 12860282A JP S5918469 A JPS5918469 A JP S5918469A
Authority
JP
Japan
Prior art keywords
output
signal
scanner
multiplier
frequency
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.)
Granted
Application number
JP12860282A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0368354B2 (cs
Inventor
Takao Ueda
上田　恭男
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP12860282A priority Critical patent/JPS5918469A/ja
Publication of JPS5918469A publication Critical patent/JPS5918469A/ja
Publication of JPH0368354B2 publication Critical patent/JPH0368354B2/ja
Granted 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/52—Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal
    • G01S3/54—Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal the apparent movement of the antenna being produced by coupling the receiver cyclically and sequentially to each of several fixed spaced antennas

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)
JP12860282A 1982-07-23 1982-07-23 ドプラ式方向探知器 Granted JPS5918469A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12860282A JPS5918469A (ja) 1982-07-23 1982-07-23 ドプラ式方向探知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12860282A JPS5918469A (ja) 1982-07-23 1982-07-23 ドプラ式方向探知器

Publications (2)

Publication Number Publication Date
JPS5918469A true JPS5918469A (ja) 1984-01-30
JPH0368354B2 JPH0368354B2 (cs) 1991-10-28

Family

ID=14988827

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12860282A Granted JPS5918469A (ja) 1982-07-23 1982-07-23 ドプラ式方向探知器

Country Status (1)

Country Link
JP (1) JPS5918469A (cs)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61294381A (ja) * 1985-06-24 1986-12-25 Toshiba Corp 方向探知器
JPH02290581A (ja) * 1990-02-17 1990-11-30 Furuno Electric Co Ltd 探知情報表示装置
JP2015224898A (ja) * 2014-05-26 2015-12-14 株式会社デンソーウェーブ 電波到来方向推定装置および電波到来方向推定システム

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61294381A (ja) * 1985-06-24 1986-12-25 Toshiba Corp 方向探知器
JPH02290581A (ja) * 1990-02-17 1990-11-30 Furuno Electric Co Ltd 探知情報表示装置
JP2015224898A (ja) * 2014-05-26 2015-12-14 株式会社デンソーウェーブ 電波到来方向推定装置および電波到来方向推定システム

Also Published As

Publication number Publication date
JPH0368354B2 (cs) 1991-10-28

Similar Documents

Publication Publication Date Title
Lyne et al. Characteristics of the radio pulses from the pulsars
US4164036A (en) Quadrature correlation phase reversal pulse detector
US4975710A (en) Methods and apparatus for direction of arrival measurement and radio navigation aids
Ables et al. Hydrogen-line absorption observations of distant pulsars
US2416310A (en) High-frequency phase measuring apparatus
Palmer et al. Ultrasonic wave measurement by differential interferometry
US4160252A (en) Method of determining the direction of a radio source and radio interferometer system
Mazumder et al. SNR and spectral broadening in turbulence structure measurement using a CW laser
JPS5918469A (ja) ドプラ式方向探知器
JPS61273688A (ja) 離散的画素に分かれる画像領域の特徴の急変を検出する特徴変化検出装置
GB1349678A (en) Underwater direction finding system
US4204262A (en) Optical signal processing apparatus
EP0256300B1 (en) Imaging coherent radiometer
US4042929A (en) Helicopter navigation system
US5116133A (en) Apparatus for and method of identifying spectrally pure optical radiation
WO1989003973A1 (fr) Procede et dispositif pour controler l'etat d'un element de construction allonge
Odell Nonradial pulsation detected through polarization variation in BW Vulpeculae
US3585392A (en) Phase-modulated light detection
US7126324B1 (en) Precision digital phase meter
US4534220A (en) Apparatus for measuring the characteristics of an ultrasonic wave medium
JPS6143641B2 (cs)
Whale A rotating interferometer for the measurement of the directions of arrival of short radio waves
US6630820B2 (en) Method and apparatus for measuring the instantaneous frequency of FM signals
Hankins et al. Microstructure in the pulsar 0950+ 08 interpulse at radio wavelengths
JPH0349075B2 (cs)