CN104793533A - Distributed type synchronous underwater sound collection and real-time display analysis system - Google Patents
Distributed type synchronous underwater sound collection and real-time display analysis system Download PDFInfo
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- CN104793533A CN104793533A CN201510160735.5A CN201510160735A CN104793533A CN 104793533 A CN104793533 A CN 104793533A CN 201510160735 A CN201510160735 A CN 201510160735A CN 104793533 A CN104793533 A CN 104793533A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25232—DCS, distributed control system, decentralised control unit
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25346—Several operating systems in one device
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention discloses a distributed type synchronous underwater sound collection and real-time display analysis system. The distributed type synchronous underwater sound collection and real-time display analysis system comprises a main measuring platform and at least one branch measuring platform. The main measuring platform comprises a display control terminal and a plurality of underwater sound data collection units, and the underwater sound data collection units are in wired network communication with the display control terminal. Each branch measuring platform comprises a communication control node and a plurality of underwater sound data collection units, and the underwater sound data collection units are in wired network communication with the communication control nodes. The underwater sound data collection units of the main measuring platform and the branch measuring platforms are used for collecting underwater sound data synchronously in real time. The communication control nodes are communicated with the display control terminal wirelessly. The underwater sound data collection units can achieve synchronous collection, and collected underwater sound data are transmitted to the display control terminal in real time. The distributed type synchronous underwater sound collection and real-time display analysis system can be used for real-time underwater sound monitoring in a complex sound field environment, and capabilities of tracking and monitoring underwater objects can be improved.
Description
Technical field
The invention belongs to underwater acoustic measurement and Underwater Target Detection field, be specifically related to a kind of underwater acoustic measurement system with synchronous underwater sound data sampling and processing and Presentation Function be in real time made up of several distributed Underwater Acoustic Data Acquisition unit, communication controller node and an aobvious control terminal.
Background technology
Along with the development of underwater acoustic technology, the information processing technology, embedded computer technology, network and radio communication technology, the mankind are more and more frequent to the Exploratory behavior of ocean, and the monitoring method of Underwater Acoustic Data Acquisition and submarine target also gets more and more.In underwater acoustic measurement and Underwater Target Detection field, in order to obtain the more real radiated noise of submarine target, grasping more full and accurate target property information, needing to place Underwater Acoustic Data Acquisition unit at different waters multiple spot and carrying out data acquisition in a synchronous manner.
In Underwater Acoustic Data Acquisition in the past and monitoring system, data acquisition unit is not in distributed frame, cannot accomplish synchronous acquisition yet, is not therefore suitable for the real-time underwater sound monitoring under complex sound field environment.
Above-mentioned discussion content object be to reader introduce may to below by the various aspects of technology relevant for the various aspects of the present invention be described and/or advocate, believe that this discussion content contributes to for reader with background's information, to be conducive to understanding various aspects of the present invention better, therefore, should be appreciated that it is discuss to read these with this angle, instead of admit prior art.
Summary of the invention
The object of the invention is to avoid deficiency of the prior art and provide a kind of distributed synchronization underwater sound to gather and real-time display analysis system, it adopts multiple Underwater Acoustic Data Acquisition unit to be that distributed frame cloth is placed on diverse location, and each collecting unit is in synchronous regime, information store and message capacity large, the underwater sound data energy simultaneous display that each unit obtains, at aobvious control terminal, may be used for the real-time underwater sound monitoring under complex sound field environment.
Object of the present invention is achieved through the following technical solutions:
A kind of distributed synchronization underwater sound is provided to gather and real-time display analysis system, comprise and measure main platform and at least one measurement point platform, the main platform of described measurement includes aobvious control terminal, several Underwater Acoustic Data Acquisition unit, Underwater Acoustic Data Acquisition unit is communicated by cable network with aobvious control terminal, described measurement divides platform to include communication controller node, several Underwater Acoustic Data Acquisition unit, Underwater Acoustic Data Acquisition unit is communicated by cable network with communication controller node, each Underwater Acoustic Data Acquisition unit of the main platform of described measurement and measurement point platform is used for synchronous Real-time Collection underwater sound data, described communication controller node is communicated by wireless system with aobvious control terminal.
Wherein, described Underwater Acoustic Data Acquisition unit comprises embedded computer, underwater sound signal modulate circuit, Underwater Acoustic Data Acquisition card, nautical receiving set and data storage card composition, described Underwater Acoustic Data Acquisition card is connected with nautical receiving set, for gathering the underwater sound data of nautical receiving set, Underwater Acoustic Data Acquisition cartoon is crossed underwater sound signal modulate circuit and is connected with embedded computer, underwater sound signal is sent to embedded computer, described embedded computer is direct or be connected to aobvious control terminal by communication controller node, for responding the instruction that aobvious control terminal issues, and the sampling rate to Underwater Acoustic Data Acquisition card, the parameters such as enlargement factor control, to aobvious control terminal upload in real time underwater sound data and aobvious control terminal to carry out pair time, described data storage card is used for the underwater sound data of storage of collected.
Wherein, the main platform of described measurement and measure a point platform included GPS BD2 receiver, described GPS BD2 receiver be used for assembling position information and for collecting unit to carry out pair time.
Wherein, described aobvious control terminal comprises aobvious control computer and function software, aobvious control terminal is used for sending control command and the underwater sound data analysis uploaded each underwater sound collecting unit, process and display to each underwater sound collecting unit, control command comprise underwater sound collecting unit optimum configurations order, pair time order, buoy start or stop monitoring order.
Underwater Acoustic Data Acquisition number of unit of the present invention is many, each unit can realize synchronous acquisition, Underwater Acoustic Data Acquisition unit is communicated by network with aobvious control terminal, underwater sound data after collection are by real-time Transmission to aobvious control terminal, and aobvious control terminal is responsible for controlling and Underwater acoustic signal processing each Underwater Acoustic Data Acquisition unit.Native system comprises communication controller node, relies on radio communication equipment can build remote measurement platform, forms distributed frame, realize synchronous acquisition, may be used for the real-time underwater sound monitoring under complex sound field environment, improves the ability of tracking and monitoring submarine target.
Accompanying drawing explanation
The invention will be further described to utilize accompanying drawing, but the embodiment in accompanying drawing does not form any limitation of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, can also obtain other accompanying drawing according to the following drawings.
Fig. 1 is the structured flowchart of distributed synchronization collection of the present invention and real-time monitoring system.
Fig. 2 is the structured flowchart of Underwater Acoustic Data Acquisition unit of the present invention.
Fig. 3 is distributed synchronization collection of the present invention and each collecting unit workflow diagram of real-time monitoring system.
Fig. 4 is that distributed synchronization collection of the present invention and real-time monitoring system show control terminal workflow diagram.
Fig. 5 is distributed synchronization collection of the present invention and real-time monitoring system communication controller node workflow diagram.
Embodiment
Technical scheme of the present invention is understood better in order to make those skilled in the art, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, it should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
As shown in Figure 1, the distributed synchronization underwater sound of the present invention gathers and real-time display analysis system, comprises and measures main platform and a measurement point platform, measure and divide a platform to can be multiple.Measure main platform and measure a point platform and all form a LAN (Local Area Network), each LAN (Local Area Network) is by multiple Underwater Acoustic Data Acquisition unit and communication controller node forms or be directly made up of multiple Underwater Acoustic Data Acquisition unit and aobvious control terminal, is communicated between communication controller node and aobvious control terminal by radio.Each underwater sound collecting unit is distributed in the different measurement point of each measuring table, aobvious control terminal is arranged in measures main platform, connect primarily of the network switching equipment, communication controller node is laid on each measurement and divides on platform, being connected by the network switching equipment with each collecting unit, communicating by carrying radio with aobvious control terminal.Underwater Acoustic Data Acquisition unit is connected with aobvious control terminal with communication controller node by network, forms several cable LANs and a wireless network, overall formation distributed system architecture.Connect with aobvious control terminal after each Underwater Acoustic Data Acquisition unit powers on, work is carried out in the order according to receiving aobvious control terminal; Aobvious control terminal sends order to each collecting unit, carries out analyzing, process and resolving according to the signal received simultaneously.GPS BD2 receiver be mainly used in location and correct time information is provided.
As shown in Figure 2, Underwater Acoustic Data Acquisition unit is made up of embedded computer 11, Underwater Acoustic Data Acquisition card 12, underwater sound signal modulate circuit 13, nautical receiving set 14 and data storage card 15 etc.Underwater Acoustic Data Acquisition unit is a powerful acquisition system, and it integrates the functions such as data acquisition, signal condition, communication and data storage, data encryption.
Wherein, embedded computer 11 is cores of this unit, is responsible for the communication with aobvious control terminal.Embedded computer is for carrying operating system, according to the difference of embedded computer processor, embedded computer can carry the operating systems such as LINUX, WINDOWS, Wince, complete with the storage of the control of the communication of aobvious control terminal, acquisition module (sample bandwidth, sampling rate, enlargement factor), image data and upload, with aobvious control terminal pair time etc. function.For ensureing each accuracy of collecting unit time and the integrality of data, order when aobvious control terminal sends once pair at interval of a period of time to it, the data storing at every turn and upload are all containing temporal information.When embedded computer to carry out pair according to the time that aobvious control terminal issues; According to the optimum configurations order that aobvious control terminal issues, pass down the instruction of amendment parameter to capture card and underwater sound signal modulate circuit; The collecting unit status inquiry command issued according to aobvious control terminal and storage card erasing of information order, inquire about the state of collecting unit and remove storing card data; Corresponding informance is returned to aobvious control terminal in real time according to other orders that aobvious control terminal issues.
Wherein, nautical receiving set 14, Underwater Acoustic Data Acquisition card 12 and underwater sound signal modulate circuit 13 complete the function of Underwater Acoustic Data Acquisition.Nautical receiving set, underwater sound signal modulate circuit, Underwater Acoustic Data Acquisition card, be responsible for the reception of underwater sound data, and described data storage card is used for the underwater sound data of storage of collected.The instruction that the sampling rate of Underwater Acoustic Data Acquisition card, parameter such as sampling bandwidth and enlargement factor etc. can issue according to embedded computer is arranged.The principle of work of Underwater Acoustic Data Acquisition unit is such: first obtain underwater sound data by nautical receiving set, its principle of work is by voice signal switching electrical signals by piezoelectric effect, nautical receiving set is obtained ultra-weak electronic signal and carries out amplifying and filtering by underwater sound signal modulate circuit subsequently, last Underwater Acoustic Data Acquisition cartoon crosses AD conversion, nautical receiving set received and passes through amplification and the simulating signal of filtering converts digital signal to, completing the whole gatherer process of underwater sound data.
Aobvious control terminal comprises aobvious control computer and display and control software.Complete Long-distance Control to each collecting unit, signal transacting and display by display and control software, GPS BD2 receiver to aobvious control computer time service.Aobvious control computer is issued an order to appointment collecting unit by display and control software, its order comprises collecting unit status poll, acquisition parameter is arranged, pair time, raw data removing, collecting unit startup, data upload, data storage etc., simultaneously display and control software can also in real time, the underwater sound data uploaded of each underwater sound collecting unit of simultaneous display, grasp the Received signal strength of each collection point very intuitively, and can target characteristics analysis be carried out, the signal transacting such as target trajectory resolves.
Communication controller node mainly comprises the network switching equipment, communication control module.The network switching equipment is mainly used in Underwater Acoustic Data Acquisition unit and is connected with internodal; The signal that communication control module mainly completes aobvious control terminal and each collecting unit forwards, and after packing to the data uploaded, unification is uploaded to aobvious control terminal.Communication controller node be connected with GPS BD2 receiver, GPS BD2 receiver be mainly used in receiving position information and for the collecting unit of this node to carry out pair time.
Fig. 3 is the workflow diagram of collecting unit of the present invention.After collecting unit powers on, the embedded computer initialization of unit, establishes a communications link with Shipborne terminal, and real-time reception shows the order that control terminal is assigned.When collecting unit receives the status inquiry command that aobvious control terminal assigns, the information such as duty and memory card capacity of collecting unit is inquired about, the status information of unit is uploaded Shipborne terminal simultaneously.When receiving system parameter setting order, start capture card sampling rate, sampling channel, the parameter such as bandwidth, enlargement factor of underwater sound signal modulate circuit is arranged.When receiving storing card data clear command, empty the legacy data in storage card.When to receive pair during order, embedded computer revises the machine time by according to the time service information received.When receive start acquisition time, unit starts to carry out Underwater Acoustic Data Acquisition and timing, the underwater sound data collected and system time sequence information is together back to Shipborne terminal stored in storage card simultaneously, uploads the underwater sound data of certain time length at every turn.
Fig. 4 is the workflow diagram that the present invention shows control terminal.Aobvious control terminal realizes being connected with each underwater sound collecting unit and communication controller node by the network switching equipment.After main control computer start, run the display and control software of aobvious control terminal, after GPS/BD2 enters navigation, system carries out time calibration automatically, and requester network connection.Control command can be sent to each collecting unit, the underwater sound data that each collecting unit of real-time reception is uploaded after communication is normal.Display and control software also can show the duty of each collecting unit in real time, arranges synch command, and the underwater sound data received are carried out to decompress(ion), deciphering, signal analysis, shown and resolve.
Fig. 5 is the workflow diagram of communication controller node of the present invention.After device power-up, communication controller node connects with aobvious control terminal, each collecting unit respectively, and carries out time calibration by GPS/BD2.When communication controller node receives the order that aobvious control terminal assigns, communication controller node forwards it to each collecting unit.When communication controller node receives the data of each collecting unit, extract the laggard row data compression of data and encryption and uploading data to aobvious control terminal.
Set forth a lot of detail in description above so that fully understand the present invention, but the present invention can also adopt other to be different from other modes described here and implement, and therefore, can not be interpreted as limiting the scope of the invention.
In a word; those skilled in the art although the present invention illustrates above-mentioned preferred implementation, should illustrate, although can carry out various change and remodeling; unless such change and remodeling deviate from scope of the present invention, otherwise all should be included in protection scope of the present invention.
Claims (4)
1. a distributed synchronization underwater sound gathers and real-time display analysis system, it is characterized in that: comprise and measure main platform and at least one measurement point platform, the main platform of described measurement includes aobvious control terminal, several Underwater Acoustic Data Acquisition unit, Underwater Acoustic Data Acquisition unit is communicated by cable network with aobvious control terminal, described measurement divides platform to include communication controller node, several Underwater Acoustic Data Acquisition unit, Underwater Acoustic Data Acquisition unit is communicated by cable network with communication controller node, each Underwater Acoustic Data Acquisition unit of the main platform of described measurement and measurement point platform is used for synchronous Real-time Collection underwater sound data, described communication controller node is communicated by wireless system with aobvious control terminal.
2. the distributed synchronization underwater sound according to claim 1 gathers and real-time display analysis system, it is characterized in that: described Underwater Acoustic Data Acquisition unit comprises embedded computer, underwater sound signal modulate circuit, Underwater Acoustic Data Acquisition card, nautical receiving set and data storage card composition, described Underwater Acoustic Data Acquisition card is connected with nautical receiving set, for gathering the underwater sound data of nautical receiving set, Underwater Acoustic Data Acquisition cartoon is crossed underwater sound signal modulate circuit and is connected with embedded computer, underwater sound signal is sent to embedded computer, described embedded computer is direct or be connected to aobvious control terminal by communication controller node, for responding the instruction that aobvious control terminal issues, and the sampling rate to Underwater Acoustic Data Acquisition card, the parameters such as enlargement factor control, to aobvious control terminal upload in real time underwater sound data and aobvious control terminal to carry out pair time, described data storage card is used for the underwater sound data of storage of collected.
3. the distributed synchronization underwater sound according to claim 2 gathers and real-time display analysis system, it is characterized in that: the main platform of described measurement and measure a point platform included GPS BD2 receiver, described GPS BD2 receiver be used for assembling position information and for collecting unit to carry out pair time.
4. the distributed synchronization underwater sound according to claim 2 gathers and real-time display analysis system, it is characterized in that: described aobvious control terminal comprises aobvious control computer and function software, aobvious control terminal is used for sending control command and the underwater sound data analysis uploaded each underwater sound collecting unit, process and display to each underwater sound collecting unit, control command comprise underwater sound collecting unit optimum configurations order, pair time order, buoy start or stop monitoring order.
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Cited By (3)
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CN106788845A (en) * | 2016-12-23 | 2017-05-31 | 中国科学院地质与地球物理研究所 | The clock synchronization device and method of a kind of submarine geophysics exploration instrument |
CN107702790A (en) * | 2017-11-06 | 2018-02-16 | 合肥国科声拓信息技术有限公司 | Acoustical signal collection based on ARM is wirelessly transferred real-time system |
CN108362369A (en) * | 2018-01-25 | 2018-08-03 | 国家海洋技术中心 | A kind of self-tolerant single channel ocean acoustic signal measurement apparatus having synchronizing function |
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Cited By (5)
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Application publication date: 20150722 |