CN106772394A - The device of sonar system signal acquisition transfer control method and application the method - Google Patents
The device of sonar system signal acquisition transfer control method and application the method Download PDFInfo
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- CN106772394A CN106772394A CN201710023849.4A CN201710023849A CN106772394A CN 106772394 A CN106772394 A CN 106772394A CN 201710023849 A CN201710023849 A CN 201710023849A CN 106772394 A CN106772394 A CN 106772394A
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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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
-
- 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
-
- 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
Abstract
The invention discloses a kind of sonar system signal acquisition transfer control method with versatility and the device of application the method, it passes through signal acquisition transmission control unit（1）The systematic parameter of the running parameter of acoustic wave emission unit, the running parameter of analog signal pretreatment unit, and the sonar is received from signal processing unit；（2）The running parameter of the acoustic wave emission unit that will be received is transferred in acoustic wave emission unit；（3）The sampling time interval in systematic parameter according to the sonar for being received, control acoustic wave emission unit actively launches sound wave with the fixed cycle, according to the running parameter of the analog signal pretreatment unit for being received, the analog signal pretreatment unit is controlled for steps such as the preprocessing process of analog signal that the reflection sound wave receiving unit is exported, active sound wave emission control when realizing that different sonars are imaged to submarine target, and the Real-time Collection of reflected sonic signals, transmission etc., ensure sonar under water operation when imaging function stability, and the system integration and parameter index requirement of different sonars can be met.
Description
Technical field
The present invention relates to undersea detection and Image-forming instrument instrument field, more particularly to one kind can be used for one-segment, multiband,
Universal sonar signal collection transfer control method and the sonar signal collection transmission control unit of application the method, take this reality
Active sound wave emission control when existing sonar is imaged to immersed body, target, and reflected sonic signals Real-time Collection,
Transmission, it is ensured that sonar under water operation when imaging function stability.
Background technology
Sonar is a kind of device for each type objects under water, target acquisition and imaging, can be in ocean, lake, river etc.
Operation is carried out in various water environments, by the extensive use of various fields institute.For example, archaeology, search and rescue, target detection, landforms under water
Exploration, oil-gas pipeline maintenance etc..
The basic process of sonograms is：Launch the acoustic signals of a certain frequency band to waters to be detected by active, so
The reflected sonic signals in the frequency band in detected region are received afterwards.Original reflected sonic signals by after pretreatment, quilt
Gathering and transmit to follow-up signal processing just can synthesize the detection imaging result in the region.
In above process, the transmitting of active sound wave, reception, collection and the transmission of reflected sonic signals are required for according to sound
Receive different running parameter and technical indicator is accurately controlled, to reach the working condition of collaboration stabilization.Therefore, in order to full
The system integration and the requirement of parameter index of foot difference sonar, can design a kind of multifunction, customized universal module
Change signal acquisition transmission control unit, for completing the work(such as sonar active sound wave emission control, reflected sonic signals collection, transmission
Energy.
The content of the invention
Transfer control method and device are gathered it is an object of the invention to provide a kind of sonar signal with versatility, can
The functions such as active sound wave emission control in different sonars, reflected sonic signals collection, transmission are completed, and different sonars can be met
The system integration and the requirement of parameter index.
The sonar system signal acquisition transfer control method with versatility that the present invention is provided, the sonar system includes
Acoustic wave emission unit, reflection sound wave receiving unit, analog signal pretreatment unit, signal acquisition transmission control unit, at signal
Reason unit, it is characterised in that：Described sonar system signal acquisition transfer control method comprises the following steps：
（1）The signal acquisition transmission control unit receives the running parameter of acoustic wave emission unit, mould from the signal processing unit
Intend Signal Pretreatment unit running parameter, and the sonar systematic parameter；
（2）The running parameter of the acoustic wave emission unit that described signal acquisition transmission control unit will be received is transferred to sound wave
In transmitter unit；
（3）Between sampling time of the described signal acquisition transmission control unit in the systematic parameter of the sonar for being received
Every control acoustic wave emission unit actively launches sound wave with the fixed cycle, and after the completion of transmitting, described signal acquisition transmission control is single
Unit controls the analog signal pretreatment unit for institute according to the running parameter of the analog signal pretreatment unit for being received
State the preprocessing process of the analog signal of reflection sound wave receiving unit output；At the same time, described signal acquisition transmission control
Unit according to the systematic parameter for being received, before the acoustic wave emission unit launches next infrasound, from described simulation
Signal Pretreatment unit gathers the data signal of respective numbers, and then, the signal acquisition transmission control unit is according to the signal
Protocol format needed for processing unit, the foregoing digital signals packing that will be gathered is transmitted to described signal processing unit.
According to the control method that the invention described above is provided, the present invention proposes a kind of sonar system signal acquisition transmission simultaneously
Control device, the control device includes：
Acoustic wave emission unit, the sound wave of a certain fixed frequency range is launched for active to detected waters；
Reflection sound wave receiving unit, for receiving the acoustic signals that detected waters is reflected back, and the sound wave that this is reflected back
Signal conversion produces corresponding analog electrical signal；
Analog signal pretreatment unit, for by above-mentioned analog electrical signal after filtering, noise reduction, be converted to after the pretreatment such as amplification
Data signal；
Signal acquisition transmission control unit, for gathering above-mentioned data signal, and the data signal that will be gathered is according to being adopted
Signal processing unit protocol format is transmitted to signal processing unit；
Signal processing unit, at the data signal of the protocol format transmitted to above-mentioned signal acquisition transmission control unit
The image in the detected region of the final synthesis of reason；
It is characterized in that：Described signal acquisition transmission control unit is additionally operable to：Sound wave hair is received from the signal processing unit
Penetrate the systematic parameter of the running parameter of unit, the running parameter of analog signal pretreatment unit, and the sonar, and by the sound
The running parameter of ripple transmitter unit is transferred to described acoustic wave emission unit；Signal acquisition transmission control unit control sound wave hair
Penetrate unit and actively launch sound wave, and control the analog signal pretreatment unit for mould that the reflection sound wave receiving unit is exported
Intend the preprocessing process of signal；
The sonar system signal acquisition transmission control unit that the invention described above is provided is further characterized in that：Described signal is adopted
Collection transmission control unit includes at least one submodule, and the submodule includes main control module, signal transmission module, signal acquisition mould
Block and emission control module, the main control module is connected by signal transmission module with signal processing unit, by signal acquisition
Module is connected with analog signal pretreatment unit, is connected with acoustic wave emission unit by emission control module.
Further, the main control module receives acoustic wave emission unit and mould by signal transmission module from signal processing unit
Intend the running parameter of Signal Pretreatment unit, and the sonar systematic parameter, and to signal processing unit transmission from simulation
The data signal that Signal Pretreatment unit is gathered.Main control module is passed by signal acquisition module to analog signal pretreatment unit
Running parameter needed for passing it, and data signal is gathered therefrom.Main control module is by emission control module to acoustic emission list
Unit transmission its needed for running parameter, and control its transmitting sound wave moment.Main control module is powered by power module.
The sonar system signal acquisition transmission control unit that the invention described above is provided further is also characterized by：When described
Signal acquisition transmission control unit include submodule more than one, the submodule includes main control module, signal transmission module,
Signal acquisition module and emission control module, the main control module are connected by signal transmission module with signal processing unit, are led to
Cross signal acquisition module to be connected with analog signal pretreatment unit, be connected with acoustic wave emission unit by emission control module；Institute
Each submodule stated, can be used alone as single frequency section acoustic signals emission control, and the one-segment reflection sound wave
The collection transfer function of signal.Therefore, each submodule can independently complete an all of corresponding function of different frequency sections.
When described signal acquisition transmission control unit only needs the signal acquisition of the sonar system for being used as single frequency section to pass
During defeated control unit, any one of submodule may be selected, other submodules are then dismountable, do not use.When described letter
It is single that number collection transmission control unit need to simultaneously be used as the signal acquisitions transmission control comprising 2 or more sonar systems of frequency band
When first, then need to use two or more submodules simultaneously.
Brief description of the drawings
Fig. 1 is embodiment of the present invention sonar system structural schematic block diagram；
Fig. 2 is signal acquisition transmission control unit structural schematic block diagram in the embodiment of the present invention；
Fig. 3 is signal acquisition transmission control unit sub-modular structure schematic block diagram in the embodiment of the present invention；
Fig. 4 a, Fig. 4 b are embodiment of the present invention synthetic aperture sonar system architecture schematic block diagram；
Fig. 5 is embodiment of the present invention Neutron module structural schematic block diagram.
Specific embodiment
To make the public further appreciate that the present invention technology, means and its advantage for being used, especially exemplified by embodiment and match somebody with somebody
Close accompanying drawing it is as follows to the detailed description of the invention, it is believed that when can by it be able to deeply and specifically understand.
The sonar system signal acquisition transfer control method with versatility that the present embodiment is provided, can be applied to not simultaneously
Transmitted with the signal acquisition of frequency range sonar, and the system integration of different sonars and the requirement of parameter index can be met, can completed not
With active sound wave emission control in sonar, the function such as reflected sonic signals collection, transmission.
It is the present embodiment sonar system structured flowchart shown in Fig. 1, it includes acoustic wave emission unit, reflection sound wave receives single
Unit, analog signal pretreatment unit, signal acquisition transmission control unit, signal processing unit and image-display units, wherein
Described signal acquisition transmission control unit control method comprises the following steps：
（1）First, the signal acquisition transmission control unit receives the work ginseng of acoustic wave emission unit from the signal processing unit
Number（Including transmission power, transmitted pulse width, tranmitting frequency, transmit cycle etc.）, the running parameter of analog signal pretreatment unit（Bag
Include signal gain etc.）, and the sonar systematic parameter（Including sampling time interval, sampling number, sample rate, port number
Deng）；
（2）The running parameter of the acoustic wave emission unit that described signal acquisition transmission control unit will be received is transferred to sound wave
In transmitter unit；
（3）After described sonar startup work, described signal acquisition transmission control unit is according to the sonar for being received
Sampling time interval in systematic parameter, control acoustic wave emission unit actively launches sound wave with the fixed cycle, this fixed cycle
It is that the distance detected required for sonar is determined.After the completion of transmitting, described signal acquisition transmission control unit is according to being connect
The running parameter of the analog signal pretreatment unit received, controls the analog signal pretreatment unit for the reflection sound wave
The preprocessing process of the analog signal of receiving unit output, including adjust amplification, noise reduction, filtering, the modulus turn of analog electrical signal
Change；At the same time, sample rate of the described signal acquisition transmission control unit in the systematic parameter for being received, adopt
The parameters such as number of samples, port number, before the acoustic wave emission unit launches next infrasound, pre-process from described analog signal
Unit gathers the data signal of corresponding data amount, and then, the signal acquisition transmission control unit is according to the signal processing unit
Required protocol format, the foregoing digital signals packing that will be gathered is transmitted to described signal processing unit.
According to the control method that the invention described above is provided, the present embodiment proposes a kind of sonar system signal acquisition and passes simultaneously
Defeated control device, refers to Fig. 1, and the control device includes：
Acoustic wave emission unit, the sound wave of a certain fixed frequency range is launched for active to detected waters；
Reflection sound wave receiving unit, for receiving the acoustic signals that detected waters is reflected back, and the sound wave that this is reflected back
Signal conversion produces corresponding analog electrical signal；
Analog signal pretreatment unit, for by above-mentioned analog electrical signal after filtering, noise reduction, be converted to after the pretreatment such as amplification
Data signal；
Signal acquisition transmission control unit, for gathering above-mentioned data signal, and the data signal that will be gathered is according to being adopted
Signal processing unit protocol format is transmitted to signal processing unit；
Signal processing unit, at the data signal of the protocol format transmitted to above-mentioned signal acquisition transmission control unit
Reason, the image in the final detected region of synthesis, transmits to image-display units；
Image-display units, the image that display synthesizes through above-mentioned signal processing unit processes；
Described signal acquisition transmission control unit respectively with acoustic wave emission unit, analog signal receiving unit, signal transacting list
Unit's connection.Before described sonar startup work, signal acquisition transmission control unit is from the signal processing unit reception sound
The running parameter of ripple transmitter unit（Including transmission power, transmitted pulse width, tranmitting frequency, transmit cycle etc.）, analog signal locates in advance
Manage the running parameter of unit（Including signal gain etc.）, and the sonar systematic parameter（Including sampling time interval, sampling
Points, sample rate, port number etc.）, and the running parameter of the acoustic wave emission unit is transferred to described acoustic wave emission unit；When
After described sonar startup work, signal acquisition transmission control unit control acoustic wave emission unit actively launches sound wave, and controls
Preprocessing process of the analog signal pretreatment unit for analog signal that the reflection sound wave receiving unit is exported is made, including
Amplification, noise reduction, filtering, analog-to-digital conversion of analog electrical signal etc.；At the same time, described signal acquisition transmission control unit according to
The parameters such as sample rate, sampling number, port number in the systematic parameter for being received, under acoustic wave emission unit transmitting
Before one infrasound, the data signal of respective numbers is gathered from described analog signal pretreatment unit, then, the signal acquisition is passed
Defeated control unit according to the protocol format needed for the signal processing unit, the foregoing digital signals packing that will be gathered transmit to
Described signal processing unit.
The present embodiment signal acquisition transmission control unit includes 2 structure composition identical submodules 1 and submodule 2,1
Power module, and 1 link block, as shown in Fig. 2 the submodule 1 and submodule 2 include main control module respectively, signal is passed
Defeated module, signal acquisition module and emission control module, the main control module pass through signal transmission module and signal processing unit
Connection, is connected, by emission control module and acoustic wave emission unit by signal acquisition module with analog signal pretreatment unit
Connection.
Such as Fig. 3, the main control module is by signal transmission module from signal processing unit reception acoustic wave emission unit and simulation
The running parameter of Signal Pretreatment unit, and the sonar systematic parameter, and to signal processing unit transmission from simulation believe
The data signal that number pretreatment unit is gathered.Main control module is transmitted by signal acquisition module to analog signal pretreatment unit
Running parameter needed for it, and data signal is gathered therefrom.Main control module is by emission control module to acoustic wave emission unit
Running parameter needed for transmitting it, and control the moment of its transmitting sound wave.Main control module is powered by power module.
Such as Fig. 4 a, Fig. 4 b, by taking a kind of double frequency synthetic aperture sonar system as an example, the system contains two sets of high frequency, low frequency
Independent sonar system.Wherein, the high frequency sonar system shown in Fig. 4 a contains high frequency sound wave transmitter unit, high frequency reflection sound wave
Receiving unit, high frequency analog signals pretreatment unit, high-frequency signal collection transmission control unit, high-frequency signal processing unit is high
Frequency image-display units, the low frequency sonar system shown in Fig. 4 b contains low-frequency sound wave transmitter unit, bass reflex acoustic receiver
Unit, low-frequency analog signal pretreatment unit, low frequency signal collection transmission control unit, low-frequency signal processing unit, low frequency figure
As display unit.Any one can individually work independently for high frequency, low frequency sonar system, and both are also simultaneously operable.
The sonar signal that the present embodiment is proposed gathers transfer control method：
Before high frequency sonar startup work, described high-frequency signal collection transmission control unit connects from high-frequency signal processing unit
Receive the running parameter of high frequency sound wave transmitter unit（Transmission power, transmitted pulse width, tranmitting frequency, transmit cycle etc.）, frequency analog
The signal gain parameter of Signal Pretreatment unit, and the high frequency sonar systematic parameter（Sampling time interval, sampled point
Number, sample rate, port number etc.）.
Then, the work ginseng of the high frequency sound wave transmitter unit that described high-frequency signal collection transmission control unit will be received
Number is transferred in high frequency sound wave transmitter unit.
After high frequency sonar startup work, described high-frequency signal collection transmission control unit is according to the system ginseng for being received
Sampling time interval in number, control high frequency sound wave transmitter unit actively launches sound wave with the fixed cycle.It is described after the completion of transmitting
High-frequency signal collection transmission control unit according to the signal gain parameter of the high frequency analog signals pretreatment unit for being received, move
It is pretreated for analog signal that high frequency reflection sound wave receiving unit is exported that state adjusts high frequency analog signals pretreatment unit
Signal gain value in journey.At the same time, described high-frequency signal gathers transmission control unit according in the systematic parameter for being connect
The parameter such as sample rate, sampling number, port number, before high frequency sound wave transmitter unit launches next infrasound, from frequency analog
Signal Pretreatment unit gathers the data signal of respective numbers.Then, high-frequency signal collection transmission control unit is believed according to high frequency
Protocol format needed for number processing unit, the data signal packing transmission tremendously high frequency signal processing unit that will be gathered.
Similarly, before low frequency sonar startup work, described low frequency signal gathers transmission control unit from low frequency signal
Processing unit receives the running parameter of low-frequency sound wave transmitter unit（Transmission power, transmitted pulse width, tranmitting frequency, transmit cycle
Deng）, the signal gain parameter of low-frequency analog signal pretreatment unit, and the low frequency sonar systematic parameter（Sampling time
Interval, sampling number, sample rate, port number etc.）.
Then, the work ginseng of the low-frequency sound wave transmitter unit that described low frequency signal collection transmission control unit will be received
Number is transferred in low-frequency sound wave transmitter unit.
After low frequency sonar startup work, described low frequency signal collection transmission control unit is according to the system ginseng for being received
Sampling time interval in number, control low-frequency sound wave transmitter unit actively launches sound wave with the fixed cycle.It is described after the completion of transmitting
Low frequency signal collection transmission control unit according to the signal gain parameter of the low-frequency analog signal pretreatment unit for being received, move
It is pretreated for analog signal that bass reflex acoustic receiver unit is exported that state adjusts low-frequency analog signal pretreatment unit
Signal gain value in journey.At the same time, described low frequency signal gathers transmission control unit according in the systematic parameter for being connect
The parameter such as sample rate, sampling number, port number, before low-frequency sound wave transmitter unit launches next infrasound, from low frequency simulation
Signal Pretreatment unit gathers the data signal of respective numbers.Then, low frequency signal collection transmission control unit is believed according to low frequency
Protocol format needed for number processing unit, the data signal packing transmission tremendously low frequency signal processing unit that will be gathered.
Fig. 5 is the structural schematic block diagram of the present embodiment submodule.Submodule 1, submodule 2 are respectively used to high-frequency signal collection
Control unit and low frequency signal acquisition control unit, respectively with high frequency sound wave transmitter unit/low-frequency sound wave transmitter unit, high frequency mould
Intend signal receiving unit/low-frequency analog signal receiving unit and high-frequency signal processing unit/low-frequency signal processing unit connection.
In two submodules, submodule 1 is used to complete acoustic signals emission control and the reflection sound wave of high frequency sonar system
The collection transfer function of signal, the main control module of submodule 1 is connected by signal transmission module with high-frequency signal processing unit, is led to
Cross signal acquisition module to be connected with high frequency analog signals pretreatment unit, by emission control module and high frequency sound wave transmitter unit
Connection.Main control module receives high frequency sound wave transmitter unit and frequency analog by signal transmission module from high-frequency signal processing unit
The signal gain parameter of Signal Pretreatment unit, and the high frequency sonar systematic parameter, and to high-frequency signal processing unit
The data signal that transmission is gathered from high frequency analog signals pretreatment unit.Main control module is by signal acquisition module to high frequency mould
Intend the running parameter needed for Signal Pretreatment unit transmits it, and gather data signal therefrom.Main control module is controlled by launching
Molding block transmit it to high frequency sound wave transmitter unit needed for running parameter, and control its transmitting sound wave moment.
In two submodules, submodule 2 is used to complete acoustic signals emission control and the reflection sound wave of low frequency sonar system
The collection transfer function of signal.The main control module of submodule 2 is connected by signal transmission module with low-frequency signal processing unit, is led to
Cross signal acquisition module to be connected with low-frequency analog signal pretreatment unit, by emission control module and low-frequency sound wave transmitter unit
Connection.Main control module receives low-frequency sound wave transmitter unit from low-frequency signal processing unit by signal transmission module and low frequency is simulated
The signal gain parameter of Signal Pretreatment unit, and the low frequency sonar systematic parameter, and to low-frequency signal processing unit
The data signal that transmission is gathered from low-frequency analog signal pretreatment unit.Main control module is by signal acquisition module to Low-frequency Modes
Intend the running parameter needed for Signal Pretreatment unit transmits it, and gather data signal therefrom.Main control module is controlled by launching
Molding block transmit it to low-frequency sound wave transmitter unit needed for running parameter, and control its transmitting sound wave moment.
When only needing high frequency sonar system to work, the only corresponding submodule 1 of high-frequency signal acquisition control unit works, another
Individual submodule 2 can be removed from Fig. 4 systems；When only needing low frequency sonar system to work, only low frequency signal acquisition control unit pair
The submodule 2 answered is worked, and another submodule 1 can be removed from Fig. 4 systems；When need high and low frequency sonar system simultaneously work
When making, the corresponding submodule 1 of high-frequency signal acquisition control unit submodule 2 corresponding with low frequency signal acquisition control unit needs same
When work.
Two submodules 1, the structures of submodule 2 are identical, the core circuit plate of small modular are both designed as, by connector
Expand required interface to be connected with link block, can freely install or remove.When high frequency or low frequency sonar system need the volume of carrying out
During outer Function Extension, corresponding submodule 1 or submodule 2 need to increase associated peripheral circuit, be used to realize corresponding
Function.Now, can there is difference in the structure of submodule 1 and submodule 2.
Power module employs modular power, for providing power supply to submodule 1 and submodule 2.
Link block is connected in the form of single circuit board by connector and submodule 1, submodule 2 and power module
Connect.The link block is used to provide being mechanically and electrically between submodule 1, submodule 2 and power module.
Main control module can carry out free programming with SOC as core, for realizing that signal acquisition of the present invention is passed
Transmission control method.It is powered by power module.
Signal transmission module employs Gigabit Ethernet module, for complete main control module tremendously high frequency signal processing unit or
The bidirectional data transfers of low-frequency signal processing unit.It is powered by power module.
Signal acquisition module employs level switch module, single for completing the pretreatment of main control module tremendously high frequency analog signal
Unit or the two-way level converting of low-frequency analog signal pretreatment unit.It is powered by power module.
Emission control module employs RS485 modules, and the LVCOMS signals for main control module to be exported are converted to RS485
Signal output tremendously high frequency acoustic wave emission unit or low-frequency sound wave transmitter unit.It is powered by power module.
Above-described embodiment, is only used for being described in detail principle of the invention, technical scheme rather than to limit of the invention
It is fixed, the modification carried out on the technology of the present invention concept or equivalent, should all cover protection scope of the present invention it
It is interior.
Claims (5)
1. a kind of sonar system signal acquisition transfer control method with versatility, the sonar system includes acoustic emission list
Unit, reflection sound wave receiving unit, analog signal pretreatment unit, signal acquisition transmission control unit, signal processing unit, it is special
Levy and be：Described sonar system signal acquisition transfer control method comprises the following steps：
（1）The signal acquisition transmission control unit receives the running parameter of acoustic wave emission unit, mould from the signal processing unit
Intend Signal Pretreatment unit running parameter, and the sonar systematic parameter；
（2）The running parameter of the acoustic wave emission unit that described signal acquisition transmission control unit will be received is transferred to sound wave
In transmitter unit；
（3）Between sampling time of the described signal acquisition transmission control unit in the systematic parameter of the sonar for being received
Every control acoustic wave emission unit actively launches sound wave with the fixed cycle, and after the completion of transmitting, described signal acquisition transmission control is single
Unit controls the analog signal pretreatment unit for institute according to the running parameter of the analog signal pretreatment unit for being received
State the preprocessing process of the analog signal of reflection sound wave receiving unit output；At the same time, described signal acquisition transmission control
Unit according to the systematic parameter for being received, before the acoustic wave emission unit launches next infrasound, from described simulation
Signal Pretreatment unit gathers the data signal of respective numbers, and then, the signal acquisition transmission control unit is according to the signal
Protocol format needed for processing unit, the foregoing digital signals packing that will be gathered is transmitted to described signal processing unit.
2. a kind of sonar system signal acquisition transmission control unit, the control device includes：
Acoustic wave emission unit, the sound wave of a certain fixed frequency range is launched for active to detected waters；
Reflection sound wave receiving unit, for receiving the acoustic signals that detected waters is reflected back, and the sound wave that this is reflected back
Signal conversion produces corresponding analog electrical signal；
Analog signal pretreatment unit, for by above-mentioned analog electrical signal after filtering, noise reduction, be converted to after the pretreatment such as amplification
Data signal；
Signal acquisition transmission control unit, for gathering above-mentioned data signal, and the data signal that will be gathered is according to being adopted
Signal processing unit protocol format is transmitted to signal processing unit；
Signal processing unit, at the data signal of the protocol format transmitted to above-mentioned signal acquisition transmission control unit
The image in the detected region of the final synthesis of reason；
It is characterized in that：Described signal acquisition transmission control unit is additionally operable to：Sound wave hair is received from the signal processing unit
Penetrate the systematic parameter of the running parameter of unit, the running parameter of analog signal pretreatment unit, and the sonar, and by the sound
The running parameter of ripple transmitter unit is transferred to described acoustic wave emission unit；Signal acquisition transmission control unit control sound wave hair
Penetrate unit and actively launch sound wave, and control the analog signal pretreatment unit for mould that the reflection sound wave receiving unit is exported
Intend the preprocessing process of signal.
3. sonar system signal acquisition transmission control unit according to claim 2, it is characterised in that：Described signal is adopted
Collection transmission control unit includes at least one submodule, and the submodule includes main control module, signal transmission module, signal acquisition mould
Block and emission control module, the main control module is connected by signal transmission module with signal processing unit, by signal acquisition
Module is connected with analog signal pretreatment unit, is connected with acoustic wave emission unit by emission control module.
4. sonar system signal acquisition transmission control unit according to claim 3, it is characterised in that：The main control module leads to
Cross aforementioned signal transport module and receive the acoustic wave emission unit and analog signal pretreatment list from foregoing signal processing unit
The running parameter of unit, and the sonar system systematic parameter, and to signal processing unit transmission from the analog signal
The numeral letter that pretreatment unit is gathered；Main control module transmits its institute by signal acquisition module to analog signal pretreatment unit
The running parameter for needing, and data signal is gathered therefrom；The main control module is by emission control module to the acoustic emission list
Unit transmission its needed for running parameter, and control its transmitting sound wave moment.
5. sonar system signal acquisition transmission control unit according to claim 2, it is characterised in that：When described signal
Collection transmission control unit includes the submodule more than, and the submodule includes main control module, and signal transmission module, signal is adopted
Collection module and emission control module, the main control module is connected by signal transmission module with signal processing unit, by signal
Acquisition module is connected with analog signal pretreatment unit, is connected with acoustic wave emission unit by emission control module；Described is each
Submodule, can be used alone as the emission control of the acoustic signals of single frequency section, and the one-segment reflected sonic signals
Collection transfer function.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110118963A (en) * | 2019-05-24 | 2019-08-13 | 珠海市蓝衡科技有限公司 | A kind of sonar signal acquisition method, device and its equipment |
| CN112630758A (en) * | 2020-11-30 | 2021-04-09 | 海鹰企业集团有限责任公司 | High-frequency image sonar signal processing system |
| CN113063552A (en) * | 2021-05-13 | 2021-07-02 | 中密控股股份有限公司 | Mechanical seal state monitoring and collecting device |
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