CN102594873A - Passive voice alarm system based on B/S (Browser/Server) framework - Google Patents
Passive voice alarm system based on B/S (Browser/Server) framework Download PDFInfo
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Abstract
The invention relates to a passive voice alarm system based on a B/S (Browser/Server) framework and belongs to the technical field of electronic information. The passive voice alarm system comprises a passive sensor signal acquisition module, a signal modulation module, a signal AD (Analog-Digital) conversion module, a signal demodulation module, a signal sampling and storage module and a signal web distribution module. The passive sensor signal acquisition module finishes the acquisition of a voice signal; the signal modulation module finishes the modulation of data and realizes signal processing, analysis and storage through a server; and finally, the server distributes the processed signal through a web technology to realize the effective combination of the signal acquisition and processing and the web technology. The distribution of the system adopts the B/S framework, the server transmits the processed data to a supervision terminal on a real time through the web technology, and the supervision terminal accesses the server through a browser to quickly obtain the corresponding data analysis and realize the voice alarm of the system. The passive voice alarm system has the beneficial effects that a sensing terminal is not required to be powered and can respond the sudden disaster; and the mobility is strong, and the browser alarm display of a plurality of terminals is supported.
Description
Technical field
The present invention relates to a kind of passive phonetic warning system, belong to electronic information technical field based on the B/S framework.
Background technology
The develop rapidly of Along with computer technology and microelectric technique; Instrument and computer are profound combines just to cause new change in the instrument field; Virtual instrument arises at the historic moment, owing to its technological advance, superiority and vast potential for future development are widely used.The change of the transducer that the development of light sensing technology brings is caught the trend that effective information has become the epoch through optical principle.Internet technology obtains unprecedented development in recent years; Browser becomes the indispensable client of people; People carry out each other communication through the Internet and obtain information and broken the mode that people's tradition is obtained information, outstanding operation interface as a kind of intuitively, exchange way easily, also more and more receive user's attention; People can obtain effective information through the Internet, realize the exchange of information.
Summary of the invention
Deficiency to prior art; The present invention provides a kind of passive sensing phonetic warning system implementation method based on the B/S framework; The passive sensing phonetic warning system obtains voice signal through passive optical fiber sensor, and sampling after the signal that obtains is handled is stored and issued through the Web technology the signal of sampling; The user obtains speech data through the browser access server, realizes that the user carries out the function of real time inspection to supervisory control system through browser.
A kind of passive phonetic warning system based on the B/S framework, system accomplishes the collection of voice signal through the passive sensor signal acquisition module; The data that collect are modulated and are passed through demodulation, analysis, processing and the storage of server realization signal; Signal after final server will be handled is issued through the web technology; Realize Digital Signal Processing and the technological effective combination of web, following based on the implementation method of the passive phonetic warning system of B/S framework:
1) design comprises the web release module of passive sensor signal acquisition module, signal modulation module, signal AD modular converter, signal demodulation module, signal sampling and memory module and signal based on the passive sensor phonetic warning system logical construction of B/S framework; Wherein passive sensor signal acquisition module, signal AD modular converter and signal modulation module are hardware module, and the Web release module of signal demodulation module, signal sampling and memory module and signal is the software module that on server, realizes;
2) passive sensor signal acquisition module employing distributed feed-back formula fiber laser is DFB-FL, realizes the collection to voice signal;
3) the signal modulation module adopts piezoelectric ceramic to regulate a brachium of interferometer, produces phase carrier, realizes phase modulated;
4) the signal demodulation module adopts the virtual instrument labview on the server that the digital signal after changing through signal AD modular converter is carried out the phase carrier demodulation, obtains acoustic signals;
5) signal sampling and memory module in labview through the programming mode, with storage in the data in server storehouse;
6) data in the web release module reading database of signal are write the user side page, accomplish the real-time demonstration of data.
Step 2) described passive sensor signal acquisition module realizes the method for the collection of voice signal following:
Produce a narrow-linewidth laser with distributed feed-back formula fiber laser DFB-FL, gather and carry voice signal, get into the two ends of nonequilibrium interferometer,, realize by the conversion of voice signal to light signal to produce interference fringe.
The described signal modulation module of step 3) produces phase carrier, realizes that the method for phase modulated is following:
On an arm of interferometer, add an active piezoelectric ceramic and make phase-modulator, through realizing the interferometer phase modulation adding modulation signal; Described phase-modulator is the periodic voltage signal drive pressure electroceramics that utilizes signal generator to produce; Produce periodic flexible; Cause strain effect, photoelastic effect, the poisson effect of optical fiber, thereby cause the variation of interferometer phase, realize phase modulated.
The described signal demodulation module of step 4) adopts virtual instrument labview following to the method that signal carries out digitized phase carrier demodulation:
The signal of interferometer output is transformed into the signal of telecommunication through photodetector, amplifies through difference again, collect in the server by signal AD modular converter; This digital signal is carried out digitized phase carrier demodulation with the Labview software programming, obtain the waveform of the voice signal that Fibre Optical Sensor takes at last.
Described signal sampling of step 5) and memory module implementation method are following:
Programming realizes the signal sampling after the demodulation and stores database function in labview.
The Web release module implementation method of the described signal of step 6) is following:
The data of storing in the customization reading database through the user side interface dynamically update technology through webpage, can the server end sampled value be dynamically updated at the client Web browser, have saved bandwidth, have realized sensor side is taked the real-time monitoring of signal.
Because passive device DFB-FL need not power supply, the present invention can be applicable to adverse circumstances such as mine, the bottom or the environment of sudden disasters such as outage takes place; The Web release module of signal is through the numerical value of access in the user side interface reading database of customization; Dynamically update technology through webpage; Can the server end sampled value be dynamically updated at the client Web browser, save bandwidth, realize sensor side is taked the real-time monitoring of signal.System supports the alarm indication at multiple terminal, and mobility is strong, and is applicable to long-distance alarm.
Description of drawings
Fig. 1 is a structural representation block diagram of the present invention.
Fig. 2 is flow chart of data processing figure of the present invention.
Wherein, 1, the passive sensor signal acquisition module, 2, the signal modulation module, 3, signal AD modular converter, 4, server, 5, the signal demodulation module, 6, signal sampling and memory module, 7, the Web release module of signal, 8, browser.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention done further describing.
Embodiment:
A kind of passive phonetic warning system based on the B/S framework, system accomplishes the collection of voice signal through the passive sensor signal acquisition module; The data that collect are carried out filtering, modulation and passed through demodulation, analysis, processing and the storage that server is realized signal; Signal after final server will be handled is issued through the web technology; Realize Digital Signal Processing and the technological effective combination of web, following based on the implementation method of the passive phonetic warning system of B/S framework:
1) design comprises the web release module (7) of passive sensor signal acquisition module (1), signal modulation module (2), signal AD modular converter (3), signal demodulation module (5), signal sampling and memory module (6) and signal based on the passive sensor phonetic warning system logical construction of B/S framework; Wherein passive sensor signal acquisition module (1), signal AD modular converter (3) and signal modulation module (2) are hardware module, and the Web release module (7) of signal demodulation module (5), signal sampling and memory module (6) and signal is to go up the software module that realizes at server (4);
2) passive sensor signal acquisition module (1) employing distributed feed-back formula fiber laser is DFB-FL, realizes the collection to voice signal;
3) signal modulation module (2) adopts piezoelectric ceramic to regulate a brachium of interferometer, produces phase carrier, realizes phase modulated;
4) signal demodulation module (5) adopts the virtual instrument labview on the server (4) that the digital signal after changing through signal AD modular converter (3) is carried out the phase carrier demodulation, obtains acoustic signals;
5) signals collecting and memory module (6) through the mode of programming, arrive storage in the database of server (4) in labview;
6) data in web release module (7) reading database of signal are write the user side page, accomplish the real-time demonstration of data.
Step 2) described passive sensor signal acquisition module (1) realization is following to the method for the collection of voice signal:
Produce a narrow-linewidth laser with distributed feed-back formula fiber laser DFB-FL, gather and carry voice signal, get into the two ends of nonequilibrium interferometer,, realize by the conversion of voice signal to light signal to produce interference fringe.
The described signal modulation module of step 3) (2) produces phase carrier, realizes that the method for phase modulated is following:
On an arm of interferometer, add an active piezoelectric ceramic and make phase-modulator, through realizing the interferometer phase modulation adding modulation signal; Described phase-modulator is the periodic voltage signal drive pressure electroceramics that utilizes signal generator to produce; Produce periodic flexible; Cause strain effect, photoelastic effect, the poisson effect of optical fiber, thereby cause the variation of interferometer phase, realize phase modulated.
The described signal demodulation module of step 4) (5) adopts virtual instrument labview following to the method that signal carries out digitized phase carrier demodulation:
The signal of interferometer output is transformed into the signal of telecommunication through photodetector, amplifies through difference again, collect in the server by signal AD modular converter; This digital signal is carried out digitized phase carrier demodulation with the Labview software programming, obtain the waveform of the voice signal that Fibre Optical Sensor takes at last.
Described signal sampling of step 5) and memory module (6) implementation method are following:
Programming realizes the signal sampling after the demodulation and stores database function in labview.
Web release module (7) implementation method of the described signal of step 6) is following:
The data of storing in the customization reading database through the user side interface dynamically update technology through webpage, can the server end sampled value be dynamically updated at the client Web browser, have saved bandwidth, have realized sensor side is taked the real-time monitoring of signal.
Claims (6)
1. passive phonetic warning system based on the B/S framework, system accomplishes the collection of voice signal through the passive sensor signal acquisition module; The data that collect are modulated and are passed through demodulation, analysis, processing and the storage of server realization signal; Signal after final server will be handled is issued through the web technology; Realize effective combination of Digital Signal Processing and web technology; It is characterized in that, following based on the implementation method of the passive phonetic warning system of B/S framework:
1) design comprises the web release module of passive sensor signal acquisition module, signal modulation module, signal AD modular converter, signal demodulation module, signal sampling and memory module and signal based on the passive sensor phonetic warning system logical construction of B/S framework; Wherein passive sensor signal acquisition module, signal AD modular converter and signal modulation module are hardware module, and the Web release module of signal demodulation module, signal sampling and memory module and signal is the software module that on server, realizes;
2) passive sensor signal acquisition module employing distributed feed-back formula fiber laser is DFB-FL, realizes the collection to voice signal;
3) the signal modulation module adopts piezoelectric ceramic to regulate a brachium of interferometer, produces phase carrier, realizes phase modulated;
4) the signal demodulation module adopts the virtual instrument labview on the server that the digital signal after changing through signal AD modular converter is carried out the phase carrier demodulation, obtains acoustic signals;
5) signals collecting and memory module in labview through the programming mode, with storage in the data in server storehouse;
6) data in the web release module reading database of signal are write the user side page, accomplish the real-time demonstration of data.
2. a kind of passive phonetic warning system based on the B/S framework as claimed in claim 1 is characterized in that step 2) described passive sensor signal acquisition module realizes the method for the collection of voice signal following:
Produce a narrow-linewidth laser with distributed feed-back formula fiber laser DFB-FL, gather and carry voice signal, get into the two ends of nonequilibrium interferometer,, realize by the conversion of voice signal to light signal to produce interference fringe.
3. a kind of passive phonetic warning system based on the B/S framework as claimed in claim 1 is characterized in that, the described signal modulation module of step 3) produces phase carrier, realizes that the method for phase modulated is following:
On an arm of interferometer, add an active piezoelectric ceramic and make phase-modulator, through realizing the interferometer phase modulation adding modulation signal; Described phase-modulator is the periodic voltage signal drive pressure electroceramics that utilizes signal generator to produce; Produce periodic flexible; Cause strain effect, photoelastic effect, the poisson effect of optical fiber, thereby cause the variation of interferometer phase, realize phase modulated.
4. a kind of passive phonetic warning system based on the B/S framework as claimed in claim 1 is characterized in that, the described signal demodulation module of step 4) adopts virtual instrument labview following to the method that signal carries out digitized phase carrier demodulation:
The signal of interferometer output is transformed into the signal of telecommunication through photodetector, amplifies through difference again, collect in the server by signal AD modular converter; This digital signal is carried out digitized phase carrier demodulation with the Labview software programming, obtain the waveform of the voice signal that Fibre Optical Sensor takes at last.
5. a kind of passive phonetic warning system based on the B/S framework as claimed in claim 1 is characterized in that described signal sampling of step 5) and memory module implementation method are following:
Programming realizes the signal sampling after the demodulation and stores database function in labview.
6. a kind of passive phonetic warning system based on the B/S framework as claimed in claim 1 is characterized in that, the Web release module implementation method of the described signal of step 6) is following:
The data of storing in the customization reading database through the user side interface dynamically update technology through webpage, can the server end sampled value be dynamically updated at the client Web browser, have saved bandwidth, have realized sensor side is taked the real-time monitoring of signal.
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| CN104104696A (en) * | 2013-04-02 | 2014-10-15 | 深圳中兴力维技术有限公司 | Voice alarm realization method based on B/S structure and system thereof |
| CN104158589A (en) * | 2014-07-16 | 2014-11-19 | 山东大学 | Wireless-fiber fused networking multi-service bearing system and application thereof |
| CN107784086A (en) * | 2017-10-09 | 2018-03-09 | 中国平安人寿保险股份有限公司 | A kind of loading method of webpage, terminal device and computer-readable recording medium |
| CN110209088A (en) * | 2019-06-11 | 2019-09-06 | 中煤电气有限公司 | A kind of configuration monitoring system and method based on HTML5 |
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| CN104104696A (en) * | 2013-04-02 | 2014-10-15 | 深圳中兴力维技术有限公司 | Voice alarm realization method based on B/S structure and system thereof |
| CN104158589A (en) * | 2014-07-16 | 2014-11-19 | 山东大学 | Wireless-fiber fused networking multi-service bearing system and application thereof |
| CN104158589B (en) * | 2014-07-16 | 2017-01-18 | 山东大学 | Wireless-fiber fused networking multi-service bearing system and application thereof |
| CN107784086A (en) * | 2017-10-09 | 2018-03-09 | 中国平安人寿保险股份有限公司 | A kind of loading method of webpage, terminal device and computer-readable recording medium |
| CN107784086B (en) * | 2017-10-09 | 2020-08-04 | 中国平安人寿保险股份有限公司 | Webpage loading method, terminal equipment and computer readable storage medium |
| CN110209088A (en) * | 2019-06-11 | 2019-09-06 | 中煤电气有限公司 | A kind of configuration monitoring system and method based on HTML5 |
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Application publication date: 20120718 |