JPS6256991B2 - - Google Patents

Info

Publication number
JPS6256991B2
JPS6256991B2 JP54069361A JP6936179A JPS6256991B2 JP S6256991 B2 JPS6256991 B2 JP S6256991B2 JP 54069361 A JP54069361 A JP 54069361A JP 6936179 A JP6936179 A JP 6936179A JP S6256991 B2 JPS6256991 B2 JP S6256991B2
Authority
JP
Japan
Prior art keywords
frequency
error
amplifier
frequencies
transducers
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
JP54069361A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55160872A (en
Inventor
Yasuo Arai
Takehiko Nishimura
Shinji Aryoshi
Taiichiro Moriguchi
Shigeru Aoyama
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.)
Furuno Electric Co Ltd
Original Assignee
Furuno 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 Furuno Electric Co Ltd filed Critical Furuno Electric Co Ltd
Priority to JP6936179A priority Critical patent/JPS55160872A/ja
Publication of JPS55160872A publication Critical patent/JPS55160872A/ja
Publication of JPS6256991B2 publication Critical patent/JPS6256991B2/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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
JP6936179A 1979-06-02 1979-06-02 Doppler speedometer Granted JPS55160872A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6936179A JPS55160872A (en) 1979-06-02 1979-06-02 Doppler speedometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6936179A JPS55160872A (en) 1979-06-02 1979-06-02 Doppler speedometer

Publications (2)

Publication Number Publication Date
JPS55160872A JPS55160872A (en) 1980-12-15
JPS6256991B2 true JPS6256991B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-11-28

Family

ID=13400332

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6936179A Granted JPS55160872A (en) 1979-06-02 1979-06-02 Doppler speedometer

Country Status (1)

Country Link
JP (1) JPS55160872A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0161590U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1987-10-01 1989-04-19

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61256200A (ja) * 1985-05-07 1986-11-13 三菱重工業株式会社 水中航走体の目標追尾装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0161590U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1987-10-01 1989-04-19

Also Published As

Publication number Publication date
JPS55160872A (en) 1980-12-15

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