JPS59122983A - 海洋観測用発音器 - Google Patents

海洋観測用発音器

Info

Publication number
JPS59122983A
JPS59122983A JP22998882A JP22998882A JPS59122983A JP S59122983 A JPS59122983 A JP S59122983A JP 22998882 A JP22998882 A JP 22998882A JP 22998882 A JP22998882 A JP 22998882A JP S59122983 A JPS59122983 A JP S59122983A
Authority
JP
Japan
Prior art keywords
signal
transmitter
receiver
transmission
generator
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
JP22998882A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0122593B2 (en]
Inventor
Masanori Tsugawa
津川　正典
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP22998882A priority Critical patent/JPS59122983A/ja
Publication of JPS59122983A publication Critical patent/JPS59122983A/ja
Publication of JPH0122593B2 publication Critical patent/JPH0122593B2/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
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/102—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics

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)
JP22998882A 1982-12-29 1982-12-29 海洋観測用発音器 Granted JPS59122983A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22998882A JPS59122983A (ja) 1982-12-29 1982-12-29 海洋観測用発音器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22998882A JPS59122983A (ja) 1982-12-29 1982-12-29 海洋観測用発音器

Publications (2)

Publication Number Publication Date
JPS59122983A true JPS59122983A (ja) 1984-07-16
JPH0122593B2 JPH0122593B2 (en]) 1989-04-27

Family

ID=16900837

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22998882A Granted JPS59122983A (ja) 1982-12-29 1982-12-29 海洋観測用発音器

Country Status (1)

Country Link
JP (1) JPS59122983A (en])

Also Published As

Publication number Publication date
JPH0122593B2 (en]) 1989-04-27

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