JPH042910B2 - - Google Patents
Info
- Publication number
- JPH042910B2 JPH042910B2 JP59187674A JP18767484A JPH042910B2 JP H042910 B2 JPH042910 B2 JP H042910B2 JP 59187674 A JP59187674 A JP 59187674A JP 18767484 A JP18767484 A JP 18767484A JP H042910 B2 JPH042910 B2 JP H042910B2
- Authority
- JP
- Japan
- Prior art keywords
- received
- directional
- signal
- received signal
- attenuation
- 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 - Lifetime
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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18767484A JPS6165181A (ja) | 1984-09-06 | 1984-09-06 | 広範囲水中探知装置における信号検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18767484A JPS6165181A (ja) | 1984-09-06 | 1984-09-06 | 広範囲水中探知装置における信号検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6165181A JPS6165181A (ja) | 1986-04-03 |
| JPH042910B2 true JPH042910B2 (https=) | 1992-01-21 |
Family
ID=16210161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18767484A Granted JPS6165181A (ja) | 1984-09-06 | 1984-09-06 | 広範囲水中探知装置における信号検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6165181A (https=) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53129068A (en) * | 1977-04-15 | 1978-11-10 | Furuno Electric Co | Detected signal transmission system for sonar |
| JPS6045830B2 (ja) * | 1979-05-15 | 1985-10-12 | 横河電機株式会社 | フェイズド・アレイ・ソ−ナ |
-
1984
- 1984-09-06 JP JP18767484A patent/JPS6165181A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6165181A (ja) | 1986-04-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |