JPS51142993A - Elimination of noise caused by reflected waves - Google Patents

Elimination of noise caused by reflected waves

Info

Publication number
JPS51142993A
JPS51142993A JP50067333A JP6733375A JPS51142993A JP S51142993 A JPS51142993 A JP S51142993A JP 50067333 A JP50067333 A JP 50067333A JP 6733375 A JP6733375 A JP 6733375A JP S51142993 A JPS51142993 A JP S51142993A
Authority
JP
Japan
Prior art keywords
elimination
noise caused
reflected waves
interference
range
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
JP50067333A
Other languages
Japanese (ja)
Inventor
Norio Shimizu
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.)
Japan Radio Co Ltd
Original Assignee
Japan Radio 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 Japan Radio Co Ltd filed Critical Japan Radio Co Ltd
Priority to JP50067333A priority Critical patent/JPS51142993A/en
Publication of JPS51142993A publication Critical patent/JPS51142993A/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
    • 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
    • G01S7/285—Receivers
    • G01S7/292—Extracting wanted echo-signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

PURPOSE:To automatically eliminate the interference by the waves reflected at the surface of the sea water with the receiver set at its maximum sensitivity over the range from near to far distance.
JP50067333A 1975-06-04 1975-06-04 Elimination of noise caused by reflected waves Pending JPS51142993A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50067333A JPS51142993A (en) 1975-06-04 1975-06-04 Elimination of noise caused by reflected waves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50067333A JPS51142993A (en) 1975-06-04 1975-06-04 Elimination of noise caused by reflected waves

Publications (1)

Publication Number Publication Date
JPS51142993A true JPS51142993A (en) 1976-12-08

Family

ID=13341977

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50067333A Pending JPS51142993A (en) 1975-06-04 1975-06-04 Elimination of noise caused by reflected waves

Country Status (1)

Country Link
JP (1) JPS51142993A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5542076A (en) * 1978-09-20 1980-03-25 Furuno Electric Co Ltd Radar and the like

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4812386B1 (en) * 1968-12-19 1973-04-20

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4812386B1 (en) * 1968-12-19 1973-04-20

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5542076A (en) * 1978-09-20 1980-03-25 Furuno Electric Co Ltd Radar and the like
JPS631551B2 (en) * 1978-09-20 1988-01-13 Furuno Electric Co

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