JPS61144485U - - Google Patents
Info
- Publication number
- JPS61144485U JPS61144485U JP2774985U JP2774985U JPS61144485U JP S61144485 U JPS61144485 U JP S61144485U JP 2774985 U JP2774985 U JP 2774985U JP 2774985 U JP2774985 U JP 2774985U JP S61144485 U JPS61144485 U JP S61144485U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- frequency
- output signal
- display device
- passive sonar
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 1
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
第１図は本考案の構成を示すブロツク図、第２
図はヌル（ＮＵＬＬ）方式の指向性パターン図、
第３図は従来の方位記録パツシブソーナー装置の
表示、記録例を示す図、第４図は本考案による方
位記録パツシブソーナー装置の表示、記録例を示
す図である。
１……受波器、２……周波数分析回路、３……
整相回路、４……最小点検出回路、５……表示器
、６……周波数指定回路、Ａ，Ｂ……無指向性受
波器、ｄ……無指向性受波器Ａと同Ｂとの間隔寸
法、θ……方位角。
Figure 1 is a block diagram showing the configuration of the present invention;
The figure shows the directivity pattern diagram of the null method.
FIG. 3 is a diagram showing an example of the display and recording of a conventional azimuth recording passive sonar device, and FIG. 4 is a diagram showing an example of display and recording of the azimuth recording passive sonar device according to the present invention. 1... Receiver, 2... Frequency analysis circuit, 3...
Phasing circuit, 4...Minimum point detection circuit, 5...Display device, 6...Frequency specification circuit, A, B...Omnidirectional receiver, d...Omnidirectional receiver A and B The distance between the two, θ...the azimuth angle.
Claims (1)
の間隔に配置した２個の無指向性受波器と、周波
数分析回路と、整相回路と、周波数指定回路と、
表示器とを有する方位記録パツシブソーナー装置
において、前記整相回路の出力信号を受け該出力
信号が最小値となる時点に表示器へ表示用信号を
送出する最小点検出回路を有することを特徴とす
る方位記録パツシブソーナー装置。 two omnidirectional receivers arranged at an interval of 1/2 wavelength or less of the upper limit frequency of the reception frequency band, a frequency analysis circuit, a phasing circuit, a frequency specification circuit,
A direction recording passive sonar device having a display device, characterized by having a minimum point detection circuit that receives an output signal of the phasing circuit and sends a display signal to the display device at the time when the output signal reaches a minimum value. Direction recording passive sonar device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2774985U JPS61144485U (en) | 1985-02-27 | 1985-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2774985U JPS61144485U (en) | 1985-02-27 | 1985-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61144485U true JPS61144485U (en) | 1986-09-06 |
Family
ID=30524986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2774985U Pending JPS61144485U (en) | 1985-02-27 | 1985-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61144485U (en) |
-
1985
- 1985-02-27 JP JP2774985U patent/JPS61144485U/ja active Pending