JPH0374380U - - Google Patents

Info

Publication number
JPH0374380U
JPH0374380U JP13665389U JP13665389U JPH0374380U JP H0374380 U JPH0374380 U JP H0374380U JP 13665389 U JP13665389 U JP 13665389U JP 13665389 U JP13665389 U JP 13665389U JP H0374380 U JPH0374380 U JP H0374380U
Authority
JP
Japan
Prior art keywords
noise
signal
east
receiver
west
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
JP13665389U
Other languages
English (en)
Other versions
JPH0754864Y2 (ja
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 filed Critical
Priority to JP1989136653U priority Critical patent/JPH0754864Y2/ja
Publication of JPH0374380U publication Critical patent/JPH0374380U/ja
Application granted granted Critical
Publication of JPH0754864Y2 publication Critical patent/JPH0754864Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Description

【図面の簡単な説明】
第１図は本考案の海中雑音方向性測定装置のシ
ステム構成を示す図、第２図は受波器の南北指向
性と東西指向性を示す図、第３図及び第４図はそ
れぞれ従来の海中雑音測定装置の構成を示す図で
ある。 図中、１……受波器、２……ソノブイ、３……
アンテナ、４……ソノブイ受信器、５……復調器
、６……周囲雑音方向性評価及びレベル測定器。

Claims (1)

  1. 【実用新案登録請求の範囲】 無指向性受波器と東西方向受波器と南北方向受
    波器とを有し、これら各受波器で受信した海中雑
    音を電波信号として送出するソノブイと、 該ソノブイからの電波信号をアンテナで受信し
    復調器で無指向の雑音信号と東西及び南北方向の
    雑音信号に復調する手段と、 前記無指向の雑音信号から無指向雑音パワーを
    算出すると共に、南北方向の雑音信号と東西方向
    の雑音信号とを加算し、該加算結果から水平方向
    雑音パワーを算出する手段と、 前記無指向雑音パワーと水平方向雑音パワーと
    から海中のある測定点における雑音の垂直方向性
    を検知する手段とを具備することを特徴とする海
    中雑音方向性測定方式。
JP1989136653U 1989-11-22 1989-11-22 海中雑音方向性測定装置 Expired - Lifetime JPH0754864Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989136653U JPH0754864Y2 (ja) 1989-11-22 1989-11-22 海中雑音方向性測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989136653U JPH0754864Y2 (ja) 1989-11-22 1989-11-22 海中雑音方向性測定装置

Publications (2)

Publication Number Publication Date
JPH0374380U true JPH0374380U (ja) 1991-07-25
JPH0754864Y2 JPH0754864Y2 (ja) 1995-12-18

Family

ID=31683850

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989136653U Expired - Lifetime JPH0754864Y2 (ja) 1989-11-22 1989-11-22 海中雑音方向性測定装置

Country Status (1)

Country Link
JP (1) JPH0754864Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5015144A (ja) * 1973-06-11 1975-02-18
JPS5719388A (en) * 1980-07-08 1982-02-01 Toyo Soda Mfg Co Ltd Cathode for electrolysis

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5015144A (ja) * 1973-06-11 1975-02-18
JPS5719388A (en) * 1980-07-08 1982-02-01 Toyo Soda Mfg Co Ltd Cathode for electrolysis

Also Published As

Publication number Publication date
JPH0754864Y2 (ja) 1995-12-18

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