CN207263918U - Underwater acoustic system signal pre-processing circuit - Google Patents
Underwater acoustic system signal pre-processing circuit Download PDFInfo
- Publication number
- CN207263918U CN207263918U CN201720921499.9U CN201720921499U CN207263918U CN 207263918 U CN207263918 U CN 207263918U CN 201720921499 U CN201720921499 U CN 201720921499U CN 207263918 U CN207263918 U CN 207263918U
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- China
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- output terminal
- input terminal
- signal
- variable gain
- bandpass filter
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- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
Description
Claims (3)
- A kind of 1. underwater acoustic system signal pre-processing circuit, it is characterised in that:Including preceding electric discharge road (1), variable gain amplifier (2), bandpass filter (3), buffer amplifier (4), the input terminal of preceding electric discharge road (1) are used to receive array element output and simulate to believe Number, the input terminal of output terminal connection variable gain amplifier (2), the output terminal connection band logical of the variable gain amplifier (2) The input terminal of wave filter (3), the input terminal of the output terminal connection buffer amplifier (4) of the bandpass filter (3), the buffering The output terminal of amplifier (4) is used to be connected to sample quantization circuit.
- 2. underwater acoustic system signal pre-processing circuit according to claim 1, it is characterised in that:The buffer amplifier (4) Output terminal and sample quantization circuit between be provided with linear optical coupling isolation device (5).
- 3. underwater acoustic system signal pre-processing circuit according to claim 1 or 2, it is characterised in that:The bandpass filter (3) it is made of a low-pass filter and a high-pass filter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720921499.9U CN207263918U (en) | 2017-07-27 | 2017-07-27 | Underwater acoustic system signal pre-processing circuit |
Applications Claiming Priority (1)
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CN201720921499.9U CN207263918U (en) | 2017-07-27 | 2017-07-27 | Underwater acoustic system signal pre-processing circuit |
Publications (1)
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CN207263918U true CN207263918U (en) | 2018-04-20 |
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CN201720921499.9U Expired - Fee Related CN207263918U (en) | 2017-07-27 | 2017-07-27 | Underwater acoustic system signal pre-processing circuit |
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CN (1) | CN207263918U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109828240A (en) * | 2019-03-21 | 2019-05-31 | 中国电子科技集团公司第三十八研究所 | A kind of analog baseband circuitry and 77GHz car radar |
-
2017
- 2017-07-27 CN CN201720921499.9U patent/CN207263918U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109828240A (en) * | 2019-03-21 | 2019-05-31 | 中国电子科技集团公司第三十八研究所 | A kind of analog baseband circuitry and 77GHz car radar |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Luo Kun Inventor after: Zhao Hang Inventor after: Liu Baifeng Inventor after: Zhu Yuanlin Inventor after: Shang Chao Inventor after: Li Bin Inventor after: Xu Guogui Inventor before: Luo Kun Inventor before: Zhao Hang Inventor before: Liu Baifeng Inventor before: Zhu Yuanlin Inventor before: Shang Chao Inventor before: Li Bin Inventor before: Xu Guogui |
|
CB03 | Change of inventor or designer information | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180420 Termination date: 20180727 |
|
CF01 | Termination of patent right due to non-payment of annual fee |