CN103969638A - Underwater sound monitoring and jamming device - Google Patents
Underwater sound monitoring and jamming device Download PDFInfo
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- CN103969638A CN103969638A CN201310043833.1A CN201310043833A CN103969638A CN 103969638 A CN103969638 A CN 103969638A CN 201310043833 A CN201310043833 A CN 201310043833A CN 103969638 A CN103969638 A CN 103969638A
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- signal
- module
- underwater sound
- linear array
- intercepted
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- 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
- G01S7/52001—Auxiliary means for detecting or identifying sonar signals or the like, e.g. sonar jamming signals
-
- 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
- G01S7/537—Counter-measures or counter-counter-measures, e.g. jamming, anti-jamming
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The invention relates to an underwater sound monitoring and jamming device comprising a towed line array, a towed line array take-up and pay-off winch, a signal conditioning module, a signal processing module, a display control module, a transmitter module and an underwater sound array module. The towed line array take-up and pay-off winch on a vessel is connected with the towed line array through a towing line and is used for taking up, paying off and towing the towed line array. The towed line array is used for monitoring underwater sound signals and transmitting the monitored underwater sound signals to the signal conditioning module through the towing line. The signal conditioning module is used for amplifying and filtering the received signals and transmitting the signals to the signal processing module. The signal processing module is used for detecting and recognizing the underwater sound signals and generating jamming signals according to recognition results; the jamming signals are subjected to power amplification by the transmitter module. High-power electrical signals issued by the transmitter module are converted into sound signals by the underwater sound array module, and the sound signals are irradiated out through a medium. The display control module is used for displaying results of underwater sound monitoring and jamming and controlling other modules in equipment.
Description
Technical field
The present invention relates to field of underwater acoustic signal processing, particularly a kind of underwater sound is intercepted and jamming equipment.
Background technology
In recent years, foreign country is becoming increasingly rampant in my unlawful activities of surrounding sea areas, and each ocean make the country prosperous the especially U.S. and Japan, under the planning of its global ocean strategy, accomplished the preliminary work in Ocean Surveying and battlefield, ocean our entrance.
Above-mentioned illegal exploration activity, the national sovereignty of the China that constituted a serious infringement and proper maritime rights and interests, the activities such as the fishery of carrying out in relevant marine site to China, exploration, military affairs have caused great potential threat.
For a long time, no matter be maritime patrol, or other law enforcement strength, when the foreign ship with the above-mentioned type meets with, take to follow the means such as monitor or propaganda directed to communicate, drive to declare and safeguard sovereignty more, though can reach certain effect like this, cannot stop the other side to obtain my marine site relevant information from technological layer.How to stop targetedly this illegal exploration and the information of foreign ship movable, effectively safeguard that I am just when maritime rights and interests, becoming one needs the problem solving more and more urgently.
In prior art, still do not exist the special underwater sound to intercept and jamming equipment.
Summary of the invention
The object of the invention is to overcome and in prior art, lack the special-purpose underwater sound and intercept the defect with jamming equipment, thereby provide a kind of underwater sound to intercept and jamming equipment.
To achieve these goals, the invention provides a kind of underwater sound and intercept and jamming equipment, comprise drag linear array, drag linear array releasing winch, signal condition module, signal processing module, aobvious control module, transmitter module and underwateracoustic basic matrix module; Wherein, described drag linear array, drag linear array releasing winch, signal condition module, signal processing module and the work of aobvious control module cooperative, realize intercepting of underwater sound signal; And described signal processing module, aobvious control module, transmitter module and the work of underwateracoustic basic matrix module cooperative realize the underwater sound to disturb;
Be positioned on boat described in drag linear array releasing winch to be connected with the described linear array of dragging by towing cable, for realizing folding and unfolding and the towing of dragging linear array; The described linear array of dragging is monitored underwater sound signal, and the underwater sound signal listening to is transferred to described signal condition module by towing cable, and described signal condition module is done after amplification filtering operation received signal, is transferred to signal processing module; After described signal processing module detects, identifies underwater sound signal, according to recognition result, generate undesired signal, the undesired signal generating is amplified via power for transmitter modules; The large power, electrically signal that described underwateracoustic basic matrix issues described transmitter module is converted into acoustical signal, and by medium to external radiation; Described aobvious control module is intercepted and the result of disturbing for showing the underwater sound, and other modules in equipment are controlled.
In technique scheme, also comprise that high frequency intercepts module, this module is for detecting High-frequency water acoustical signal.
In technique scheme, described in drag linear array to comprise a plurality of primitives, between each primitive, adopt unequal-interval to lay.
In technique scheme, described in drag and in linear array, also comprise depth transducer, for to dragging linear array towing depth to monitor.
In technique scheme, described signal condition module comprises a plurality of passages, and the signal of described a plurality of channel transfer is done to amplification filtering.
In technique scheme, described signal processing module drags the signal that in linear array, each primitive receives to gather to described, then utilizes the signal gathering that underwater signal is detected, identified, and then according to detection, recognition result, generates undesired signal; Wherein, described detection adopts beam-forming technology, time-frequency division band Integral Technology successively, and described identification adopts least square technology, target azimuth statistical technique successively; Described undesired signal is filtering signal, simple signal, Frequency Hopping Signal or the broadband signal of primary reception signal.
In technique scheme, described underwateracoustic basic matrix module comprises three groups of transducers: high-frequency transducer, intermediate frequency transducer, low-frequency transducer, be responsible for respectively the transmitting of high frequency sound signal, intermediate frequency acoustical signal and low-frequency acoustic signal.
In technique scheme, described transmitter module, for signal power is amplified, is done impedance matching and the transducer group in described underwateracoustic basic matrix module is selected transducer.
The invention has the advantages that:
System of the present invention is without the operation situation of precognition foreign side ship, by the underwater sound, intercept and can intercept and record the acoustical signal of target boats and ships acoustic instrument equipment/sonar, its job content is identified, and according to intercepted result, target boats and ships acoustic instrument equipment is implemented to specific aim and disturb, its effective utilization reduced or lost efficacy, thereby be effectively contained in my seas under its jurisdiction, carry out illegal operation ship and steal my ocean resources information.
Accompanying drawing explanation
Fig. 1 is that the underwater sound of the present invention is intercepted the structural representation with jamming equipment;
Fig. 2 is the schematic diagram at the aobvious control interface of aobvious control module;
Fig. 3 is that the underwater sound of the present invention is intercepted the schematic diagram with the workflow of jamming equipment.
Embodiment
Now the invention will be further described by reference to the accompanying drawings.
With reference to figure 1, the underwater sound of the present invention intercept comprise with jamming equipment drag linear array, drag linear array releasing winch, signal condition module, signal processing module, aobvious control module (signal condition module, signal processing module, aobvious control module are arranged in the signal processor cabinet of Fig. 1), transmitter module and underwateracoustic basic matrix module; Wherein, described drag linear array, drag linear array releasing winch, signal condition module, signal processing module and the work of aobvious control module cooperative, realize intercepting of underwater sound signal, comprise underwater sound signal reception, gather and processing; And described signal processing module, aobvious control module, transmitter module and the work of underwateracoustic basic matrix module cooperative realize the underwater sound to disturb, comprise generation, amplification and the transmitting of undesired signal.
Be positioned on boat described in drag linear array releasing winch to be connected with the described linear array of dragging by towing cable, for realizing folding and unfolding and the towing of dragging linear array; The described linear array of dragging is monitored underwater sound signal, and the underwater sound signal listening to is transferred to signal condition module by towing cable, and described signal condition module is done after amplification filtering operation received signal, is transferred to signal processing module; After described signal processing module detects, identifies underwater sound signal, according to recognition result, generate undesired signal, the undesired signal generating is amplified via power for transmitter modules; Described underwateracoustic basic matrix is that the large power, electrically signal that transmitter module is issued is converted into acoustical signal, and by medium to external radiation.Described aobvious control module is intercepted and the result of disturbing for showing the underwater sound, and other modules in equipment are controlled.
Below to the underwater sound of the present invention intercept with jamming equipment in modules be described further.
The described linear array of dragging comprises a plurality of primitives, because equipment working band is very wide, for meeting directive property and the gain requirement of different frequency signals in broadband, between each primitive, adopts unequal-interval to lay.As a kind of preferred implementation, described in drag depth transducer be also housed in linear array, while working for equipment to dragging the monitoring of linear array towing depth.
Described signal condition module has a plurality of passages, can do amplification filtering to the signal of channel transmission, thereby realizes dragging each primitive of linear array to receive the amplification filtering of signal.Signal condition module can be according to actual conditions setting to the enlargement factor of signal, and in the present embodiment, operating personnel can realize the setting to signal condition module enlargement factor by gear control handle.Described signal condition module can also generate self-test signal, for signal processing module and aobvious control module, uses.
Described signal processing module is processed has signal processing function and multi-channel signal acquiring function.This module in the course of the work, first each primitive signal is gathered, then utilize the multi channel signals gathering to detect underwater signal, identification, in the present embodiment, during detection, can adopt successively beam-forming technology, time-frequency division band Integral Technology, during identification, can adopt successively least square technology, target azimuth statistical technique, then according to detection, recognition result generates undesired signal, the undesired signal generating can be the filtering signal of primary reception signal, simple signal, Frequency Hopping Signal or broadband signal, above-mentioned signal can be conitnuous forms while generating, also can be impulse form.
Data hinge and control center that described aobvious control module is equipment, both can receive the also various result of calculations of display processing module for signal processing module sends calculating parameter by aobvious control module, and working method and the jamming pattern of equipment can also be set.
Described underwateracoustic basic matrix module is to meet the wide requirement of equipment working band, and acoustic array is comprised of the transducer of a plurality of different frequency bands, respectively the acoustical signal of different frequency bands is launched.In the present embodiment, underwateracoustic basic matrix module comprises three groups of transducers: high-frequency transducer, intermediate frequency transducer, low-frequency transducer, be responsible for respectively the transmitting of high frequency sound signal, intermediate frequency acoustical signal and low-frequency acoustic signal.The selection of transducer group is realized by described transmitter module.
In order to meet the wide requirement of equipment working band, transmitter module is except having the function that signal power is amplified, portion is also useful on exchange energy device and carries out impedance matching and select circuit and select circuit for the transducer that the transducer group of underwateracoustic basic matrix module is selected to increase the net mate of active power within it, and the control signal that these two circuit can issue according to signal processing module is selected.
The aobvious control interface of aobvious control module as shown in Figure 2, aobvious control module can send calculating parameter for signal processing module, receive the also various result of calculations of display processing module, these results can the array mode with numeral and word show at aobvious control interface, also can show in the mode of figure; Aobvious control also has a command control unit, and working method and the jamming pattern of equipment can be set.
Below in conjunction with Fig. 3, the underwater sound of the present invention is intercepted with the workflow of jamming equipment and is explained in detail.
First all power supplys of opening device, then start and drag linear array releasing winch, will drag linear array cloth to be put into a certain degree of depth under water, and now equipment enters normal operating conditions.Drag linear array to receive after underwater sound signal, signal condition module is carried out amplification filtering to underwater sound signal, concrete enlargement factor can be according to actual conditions setting, signal processing module gathers, processes, identifies the underwater sound signal after nursing one's health, the result of identification is for receiving signal, the frequency band namely method, apparatus being transmitted.This result can show by aobvious control module on interface.Said process is the process that the underwater sound is intercepted.
Signal processing module is according to recognition result, generate undesired signal, undesired signal can be the filtering signal of primary reception signal, simple signal, Frequency Hopping Signal or broadband signal, above-mentioned signal can be conitnuous forms while generating, also can be impulse form, when signal processing module generates undesired signal, produce match selection and transducer and select control signal, transmitter module receives undesired signal and the control signal that signal processing module produces, according to control signal, select matching network and transmitting transducer, and undesired signal is carried out to power amplification, the electric signal that underwateracoustic basic matrix module sends transmitter module is converted into acoustical signal, by medium to external radiation.Said process is the process that the underwater sound disturbs.
More than that the underwater sound of the present invention is intercepted to the description with jamming equipment implementation in one embodiment.In another embodiment, the underwater sound of the present invention is intercepted with jamming equipment and is also comprised that one intercepts module for the high frequency that High-frequency water acoustical signal is detected, and this module can realize by an industrial computer.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described.Although the present invention is had been described in detail with reference to embodiment, those of ordinary skill in the art is to be understood that, technical scheme of the present invention is modified or is equal to replacement, do not depart from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (8)
1. the underwater sound is intercepted and a jamming equipment, it is characterized in that, comprise drag linear array, drag linear array releasing winch, signal condition module, signal processing module, aobvious control module, transmitter module and underwateracoustic basic matrix module; Wherein, described drag linear array, drag linear array releasing winch, signal condition module, signal processing module and the work of aobvious control module cooperative, realize intercepting of underwater sound signal; And described signal processing module, aobvious control module, transmitter module and the work of underwateracoustic basic matrix module cooperative realize the underwater sound to disturb;
Be positioned on boat described in drag linear array releasing winch to be connected with the described linear array of dragging by towing cable, for realizing folding and unfolding and the towing of dragging linear array; The described linear array of dragging is monitored underwater sound signal, and the underwater sound signal listening to is transferred to described signal condition module by towing cable, and described signal condition module is done after amplification filtering operation received signal, is transferred to signal processing module; After described signal processing module detects, identifies underwater sound signal, according to recognition result, generate undesired signal, the undesired signal generating is amplified via power for transmitter modules; The large power, electrically signal that described underwateracoustic basic matrix issues described transmitter module is converted into acoustical signal, and by medium to external radiation; Described aobvious control module is intercepted and the result of disturbing for showing the underwater sound, and other modules in equipment are controlled.
2. the underwater sound according to claim 1 is intercepted and jamming equipment, it is characterized in that, also comprises that high frequency intercepts module, and this module is for detecting High-frequency water acoustical signal.
3. the underwater sound according to claim 1 and 2 is intercepted and jamming equipment, it is characterized in that, described in drag linear array to comprise a plurality of primitives, between each primitive, adopt unequal-interval to lay.
4. the underwater sound according to claim 3 is intercepted and jamming equipment, it is characterized in that, described in drag and in linear array, also comprise depth transducer, for to dragging linear array towing depth to monitor.
5. the underwater sound according to claim 1 and 2 is intercepted and jamming equipment, it is characterized in that, described signal condition module comprises a plurality of passages, and the signal of described a plurality of channel transfer is done to amplification filtering.
6. the underwater sound according to claim 3 is intercepted and jamming equipment, it is characterized in that, described signal processing module drags the signal that in linear array, each primitive receives to gather to described, then utilize the signal gathering that underwater signal is detected, identified, then according to detection, recognition result, generate undesired signal; Wherein, described detection adopts beam-forming technology, time-frequency division band Integral Technology successively, and described identification adopts least square technology, target azimuth statistical technique successively; Described undesired signal is filtering signal, simple signal, Frequency Hopping Signal or the broadband signal of primary reception signal.
7. the underwater sound according to claim 1 and 2 is intercepted and jamming equipment, it is characterized in that, described underwateracoustic basic matrix module comprises three groups of transducers: high-frequency transducer, intermediate frequency transducer, low-frequency transducer, be responsible for respectively the transmitting of high frequency sound signal, intermediate frequency acoustical signal and low-frequency acoustic signal.
8. the underwater sound according to claim 7 is intercepted and jamming equipment, it is characterized in that, described transmitter module, for signal power is amplified, is done impedance matching and the transducer group in described underwateracoustic basic matrix module is selected transducer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310043833.1A CN103969638B (en) | 2013-02-04 | 2013-02-04 | A kind of underwater sound is intercepted and jamming equipment |
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| CN201310043833.1A CN103969638B (en) | 2013-02-04 | 2013-02-04 | A kind of underwater sound is intercepted and jamming equipment |
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| CN103969638A true CN103969638A (en) | 2014-08-06 |
| CN103969638B CN103969638B (en) | 2016-06-15 |
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Cited By (4)
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| CN107483142A (en) * | 2017-08-03 | 2017-12-15 | 厦门大学 | A kind of directional jamming device based on marine environment |
| CN109714127A (en) * | 2019-03-05 | 2019-05-03 | 自然资源部第一海洋研究所 | Marine acoustics equipment interference unit and interference method |
| CN109945967A (en) * | 2019-03-12 | 2019-06-28 | 中国人民解放军91388部队 | A kind of a burst of first sensitivity parallel test system of more dragging lines |
| CN111708007A (en) * | 2020-06-30 | 2020-09-25 | 中国科学院声学研究所 | Target depth identification method and system based on modal flicker index matching analysis |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107483142A (en) * | 2017-08-03 | 2017-12-15 | 厦门大学 | A kind of directional jamming device based on marine environment |
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| CN109714127B (en) * | 2019-03-05 | 2023-09-19 | 自然资源部第一海洋研究所 | Marine acoustic equipment jammer and interference method |
| CN109945967A (en) * | 2019-03-12 | 2019-06-28 | 中国人民解放军91388部队 | A kind of a burst of first sensitivity parallel test system of more dragging lines |
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| CN111708007A (en) * | 2020-06-30 | 2020-09-25 | 中国科学院声学研究所 | Target depth identification method and system based on modal flicker index matching analysis |
| CN111708007B (en) * | 2020-06-30 | 2023-11-10 | 中国科学院声学研究所 | Target depth identification method and system based on modal scintillation index matching analysis |
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