CN204089829U - A kind of deep-sea combustible ice survey meter underwater communications system - Google Patents
A kind of deep-sea combustible ice survey meter underwater communications system Download PDFInfo
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- CN204089829U CN204089829U CN201420591183.4U CN201420591183U CN204089829U CN 204089829 U CN204089829 U CN 204089829U CN 201420591183 U CN201420591183 U CN 201420591183U CN 204089829 U CN204089829 U CN 204089829U
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Abstract
The utility model discloses a kind of deep-sea combustible ice survey meter underwater communications system, comprise detector, amplifier, ADC device, FPGA device, dsp chip, transmitting transducer, described detector is positioned at the distalmost end of communication system, the information that described amplifier accepts detector records, described ADC device is to the multiple signals synchronized sampling of multiple amplifier process, described FPGA device processes the signal that ADC device is sampled, described dsp chip receives the signal that FPGA device spreads out of, and the information that described transmitting transducer reception dsp chip transmits also conversion sends.The utility model is by using TMS320DM6446 type dsp chip, and have Duo-Core Architecture, integrated level is high, low in energy consumption, and speed is fast, and precision is high.
Description
Technical field
The utility model relates to underwater communications system field, is specially a kind of deep-sea combustible ice survey meter underwater communications system.
Background technology
In the water of deep-sea, communication system has two kinds substantially: sonar and underwater sound communication.The advantage of sonar technology is high speed, high-performance, low cost, low-power consumption, high-resolution, and operating depth can reach 6000 meters, but generally must have cable, is not suitable for deep-sea combustible ice survey meter without cable instructions for use.Underwater sound communication can without cable, but due to complexity and the polytropy of marine environment, underwater acoustic channel is narrow with height decay, strong noise, frequency band, in time-space-frequency change, the features such as strong multipath interference, multipath interference is the major obstacle of puzzlement underwater sound communication development always, thus utilize underwater sound communication to communicate, intersymbol interference and decline that multi-path effect causes must be overcome.Numerous research institution both domestic and external is all studied the underwater application of frequency hopping positive.
Utility model content
The technical problem that the utility model solves is to provide a kind of deep-sea combustible ice survey meter underwater communications system, to solve the problem.
The technical problem that the utility model solves realizes by the following technical solutions:
A kind of deep-sea combustible ice survey meter underwater communications system, comprise detector, amplifier, ADC device, FPGA device, dsp chip, transmitting transducer, described detector is positioned at the distalmost end of communication system, the information that described amplifier accepts detector records, described ADC device is to the multiple signals synchronized sampling of multiple amplifier process, described FPGA device processes the signal that ADC device is sampled, described dsp chip receives the signal that FPGA device spreads out of, and the information that described transmitting transducer reception dsp chip transmits also conversion sends.
As preferably, described dsp chip is the chip of TMS320DM6446 type dual-core architecture, and major function is that transmitting terminal signal produces, hopping pattern picture produces, modulation and the communication between receiving terminal demodulation computer and dsp chip.
As preferably, the course of work of described underwater communications system is that the signal that detector exports is passed to amplifier operational, carry out filter to make an uproar, amplify process, ADC device is to signal synchronized sampling, FPGA device process is delivered to after signal digital, then dsp chip is delivered to, to measuring the count value obtained, record out the acousto-optic warning of combustible ice, data processing and image procossing are carried out to the combustible ice distributed image rebuild, carry out frequency hopping pattern by the video processing subsystem rear end of dsp chip simultaneously, coding, modulation and conversion, become analog signal, finally launched by transmitting transducer.
The utility model has Duo-Core Architecture by using TMS320DM6446 type dsp chip, and integrated level is high, low in energy consumption, and speed is fast, and precision is high.
Accompanying drawing explanation
Fig. 1 is system block diagram of the present utility model.
Embodiment
In order to make actualizing technology means of the present utility model, creation characteristic, reach object and effect is easy to understand, below in conjunction with concrete diagram, set forth the utility model further.
As shown in Figure 1, a kind of deep-sea combustible ice survey meter underwater communications system, comprise detector 1, amplifier 2, ADC device 3, FPGA device 4, dsp chip 5, transmitting transducer 6, described detector 1 is positioned at the distalmost end of communication system, the information that described amplifier 2 pick-up probe 1 records, the multiple signals synchronized sampling that described ADC device 3 processes multiple amplifier 2, described FPGA device 4 pairs of ADC device 3 sampled signals process, described dsp chip 5 receives the signal that FPGA device 4 spreads out of, described transmitting transducer 6 receive dsp chip 5 transmit information and conversion send.
As preferably, described dsp chip 5 is the chip of TMS320DM6446 type dual-core architecture, and major function is that transmitting terminal signal produces, hopping pattern picture produces, modulation and the communication between receiving terminal demodulation computer and dsp chip 5.
As preferably, the course of work of described underwater communications system is that the signal that detector 1 exports is passed to amplifier 2 computing, carry out filter to make an uproar, amplify process, ADC device 3 pairs of signal synchronized samplings, deliver to FPGA device 4 after signal digital to process, then dsp chip 5 is delivered to, to measuring the count value obtained, record out the acousto-optic warning of combustible ice, data processing and image procossing are carried out to the combustible ice distributed image rebuild, carry out frequency hopping pattern by the video processing subsystem rear end of dsp chip 5 simultaneously, coding, modulation and conversion, become analog signal, finally launched by transmitting transducer 6.
The utility model has Duo-Core Architecture by using TMS320DM6446 type dsp chip, and integrated level is high, low in energy consumption, and speed is fast, and precision is high.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.Claimed scope of the present utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. a deep-sea combustible ice survey meter underwater communications system, it is characterized in that: comprise detector, amplifier, ADC device, FPGA device, dsp chip, transmitting transducer, described detector is positioned at the distalmost end of communication system, the information that described amplifier accepts detector records, described ADC device is to the multiple signals synchronized sampling of multiple amplifier process, described FPGA device processes the signal that ADC device is sampled, described dsp chip receives the signal that FPGA device spreads out of, described transmitting transducer receives the information that dsp chip transmits, and conversion sends.
2. a kind of deep-sea according to claim 1 combustible ice survey meter underwater communications system, is characterized in that: underwater communications system reflector passes the shared DSP of electronic system with adopting, and described dsp chip is the chip of TMS320DM6446 type Duo-Core Architecture.
3. a kind of deep-sea according to claim 1 combustible ice survey meter underwater communications system, it is characterized in that: the course of work of described underwater communications system is that the signal that detector exports is passed to amplifier operational, ADC device is to signal synchronized sampling, FPGA device process is delivered to after signal digital, then deliver to dsp chip, finally launched by transmitting transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420591183.4U CN204089829U (en) | 2014-10-14 | 2014-10-14 | A kind of deep-sea combustible ice survey meter underwater communications system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420591183.4U CN204089829U (en) | 2014-10-14 | 2014-10-14 | A kind of deep-sea combustible ice survey meter underwater communications system |
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| Publication Number | Publication Date |
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| CN204089829U true CN204089829U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420591183.4U Expired - Fee Related CN204089829U (en) | 2014-10-14 | 2014-10-14 | A kind of deep-sea combustible ice survey meter underwater communications system |
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| CN (1) | CN204089829U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108777598A (en) * | 2018-07-31 | 2018-11-09 | 哈尔滨工程大学 | A kind of quarice layer medium communication method |
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2014
- 2014-10-14 CN CN201420591183.4U patent/CN204089829U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108777598A (en) * | 2018-07-31 | 2018-11-09 | 哈尔滨工程大学 | A kind of quarice layer medium communication method |
| CN108777598B (en) * | 2018-07-31 | 2021-03-19 | 哈尔滨工程大学 | Cross-ice layer medium communication method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20151014 |
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| EXPY | Termination of patent right or utility model |