JPS57144476A - Signal detecting circuit - Google Patents
Signal detecting circuitInfo
- Publication number
- JPS57144476A JPS57144476A JP2949981A JP2949981A JPS57144476A JP S57144476 A JPS57144476 A JP S57144476A JP 2949981 A JP2949981 A JP 2949981A JP 2949981 A JP2949981 A JP 2949981A JP S57144476 A JPS57144476 A JP S57144476A
- Authority
- JP
- Japan
- Prior art keywords
- gain
- time
- receiving
- receiving signal
- circuit
- 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
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
- G01S7/523—Details of pulse systems
- G01S7/526—Receivers
- G01S7/529—Gain of receiver varied automatically during pulse-recurrence period
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)
- Control Of Amplification And Gain Control (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2949981A JPS57144476A (en) | 1981-03-02 | 1981-03-02 | Signal detecting circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2949981A JPS57144476A (en) | 1981-03-02 | 1981-03-02 | Signal detecting circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57144476A true JPS57144476A (en) | 1982-09-07 |
JPS6310793B2 JPS6310793B2 (en, 2012) | 1988-03-09 |
Family
ID=12277766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2949981A Granted JPS57144476A (en) | 1981-03-02 | 1981-03-02 | Signal detecting circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57144476A (en, 2012) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60174972A (ja) * | 1983-11-04 | 1985-09-09 | エンドレス・ウント・ハウザ−・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング・ウント・コンパニ− | 音波または超音波測距装置 |
JPS61286777A (ja) * | 1985-06-13 | 1986-12-17 | Matsushita Electric Works Ltd | 超音波距離計 |
JPH01295190A (ja) * | 1988-05-23 | 1989-11-28 | Furuno Electric Co Ltd | 魚群探知機 |
JPH07193446A (ja) * | 1993-12-24 | 1995-07-28 | Nec Corp | 予測ゲイン自動切替回路 |
US9411045B2 (en) | 2013-04-02 | 2016-08-09 | Fujitsu Limited | Gain control circuit and ultrasonic image device |
-
1981
- 1981-03-02 JP JP2949981A patent/JPS57144476A/ja active Granted
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60174972A (ja) * | 1983-11-04 | 1985-09-09 | エンドレス・ウント・ハウザ−・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング・ウント・コンパニ− | 音波または超音波測距装置 |
JPS61286777A (ja) * | 1985-06-13 | 1986-12-17 | Matsushita Electric Works Ltd | 超音波距離計 |
JPH01295190A (ja) * | 1988-05-23 | 1989-11-28 | Furuno Electric Co Ltd | 魚群探知機 |
JPH07193446A (ja) * | 1993-12-24 | 1995-07-28 | Nec Corp | 予測ゲイン自動切替回路 |
US9411045B2 (en) | 2013-04-02 | 2016-08-09 | Fujitsu Limited | Gain control circuit and ultrasonic image device |
Also Published As
Publication number | Publication date |
---|---|
JPS6310793B2 (en, 2012) | 1988-03-09 |
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