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
Links
- 238000010586 diagram Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
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。
Figure 1 shows the system configuration of the underwater noise directionality measuring device of the present invention, Figure 2 shows the north-south directivity and east-west directivity of the receiver, and Figures 3 and 4 respectively show the system configuration of the underwater noise directionality measurement device of the present invention. FIG. 1 is a diagram showing the configuration of an underwater noise measuring device. In the diagram, 1... receiver, 2... sonobuoy, 3...
Antenna, 4... Sonobuoy receiver, 5... Demodulator, 6... Ambient noise directionality evaluation and level measuring device.
Claims (1)
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。[Scope of Claim for Utility Model Registration] A sonobuoy that has an omnidirectional receiver, an east-west receiver, and a north-south receiver, and transmits underwater noise received by each of these receivers as a radio signal; means for receiving a radio wave signal from the sonobuoy with an antenna and demodulating it into a non-directional noise signal and a noise signal in the east-west and north-south directions with a demodulator; means for adding a noise signal in the direction and a noise signal in the east-west direction and calculating a horizontal noise power from the addition result; An underwater noise directionality measuring method characterized by comprising: means for detecting directionality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989136653U JPH0754864Y2 (en) | 1989-11-22 | 1989-11-22 | Underwater noise directional measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989136653U JPH0754864Y2 (en) | 1989-11-22 | 1989-11-22 | Underwater noise directional measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0374380U true JPH0374380U (en) | 1991-07-25 |
| JPH0754864Y2 JPH0754864Y2 (en) | 1995-12-18 |
Family
ID=31683850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989136653U Expired - Lifetime JPH0754864Y2 (en) | 1989-11-22 | 1989-11-22 | Underwater noise directional measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0754864Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5015144A (en) * | 1973-06-11 | 1975-02-18 | ||
| JPS5719388A (en) * | 1980-07-08 | 1982-02-01 | Toyo Soda Mfg Co Ltd | Cathode for electrolysis |
-
1989
- 1989-11-22 JP JP1989136653U patent/JPH0754864Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5015144A (en) * | 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 (en) | 1995-12-18 |
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