CN108181643A - A kind of seismic prospecting data collecting processing method and processing device - Google Patents
A kind of seismic prospecting data collecting processing method and processing device Download PDFInfo
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Abstract
The application provides a kind of seismic prospecting data collecting processing method and processing device.The method includes：The master clock time of the central control unit of system for acquiring seismic data is obtained, calculating master clock time and GPS tame and docile the error amount between the time reference of clock；The frequency of the pulse width manager of the central control unit is adjusted according to the error amount, obtains the adjustment frequency of the central control unit；According to the adjustment frequency, the time scale of collected data flow in the system for acquiring seismic data is adjusted；According to the corresponding time scale acquisition seismic data of the data flow.Utilize embodiment each in the application, the accuracy of data flow time scale in system for acquiring seismic data can be improved, it realizes system for acquiring seismic data and excites the precise synchronization at end, the accuracy of seismic exploration data is improved, high-precision time information is provided for subsequent data cutting and data related operation.
Description
Technical field
The application belongs to seismic exploration technique field more particularly to a kind of seismic prospecting data collecting processing method and dress
It puts.
Background technology
With the continuous improvement of accuracy of seismic exploration, clock accuracy and data acquisition the moment control means of prospecting instrument are shown
It obtains particularly important.It is data acquisition station (node instrument) and wired with the application of high density, high efficiency data acquisition technology
Data acquisition instrument starts to produce by the way of continuous data recording, while independent using controlled source and explosive shooting source
High-efficient homework.The mode of production of continuous data recording realizes that data collection terminal excites end time synchronization with data, improves data and adopts
Collecting the accuracy of end data becomes an important job.
In the prior art, the method for earthquake data acquisition instrument system generally use includes：First, excitaton source and data acquisition
The passive method that GPS fine clock marks are beaten excitation instant and data acquisition moment according to sample rate (sampling interval) at end is come
Realize TB (Time Break) time synchronization.2nd, carry out log-on data (on the basis of GPS time) according to accurate given time to adopt
Collection is synchronous with excitation, is missed since A/D (Analog/Digital, analog-to-digital conversion) master clock can generate accumulation as time goes by
Difference causes the data collection point number in the unit interval to change.The above method is likely to result in epicenter excitation moment and data
The error in half of sampling period of maximum difference, accuracy and seismic prospecting to collected seismic data between the acquisition moment
Precision impacts.Therefore, there is an urgent need for a kind of embodiments that can improve seismic prospecting data collecting accuracy in the industry.
Invention content
The application is designed to provide a kind of seismic prospecting data collecting processing method and processing device, and interrogating clock by GPS adjusts
The frequency of the pulse width manager of the central control unit of system for acquiring seismic data obtains the adjustment frequency of central control unit
Rate.The time scale of data flow in system for acquiring seismic data can be adjusted according to adjustment frequency, improves data flow time scale
Accuracy, further improve the accuracy of earthquake data acquisition.
On the one hand this application provides a kind of seismic prospecting data collecting processing method, including：
Obtain system for acquiring seismic data central control unit master clock time, calculate the master clock time with
GPS tames and dociles the error amount between the time reference of clock；
The frequency of the pulse width manager of the central control unit is adjusted according to the error amount, obtains the center
The adjustment frequency of control unit；
According to the adjustment frequency, the time scale of collected data flow in the system for acquiring seismic data is adjusted；
According to the corresponding time scale acquisition seismic data of the data flow.
Further, it is described according to the adjustment frequency in another embodiment of the method, adjust the earthquake number
According to the time scale of data flow collected in acquisition system, including：
The sample frequency of the system for acquiring seismic data is adjusted according to the adjustment frequency；
According to the sample frequency after adjustment, the corresponding time scale of the data flow is adjusted.
Further, it is described according to the adjustment frequency in another embodiment of the method, it is described according to the tune
Whole frequency adjusts the sample frequency of the system for acquiring seismic data, including：
Using the adjustment frequency as the input of the analog-to-digital conversion module in the system for acquiring seismic data, described in control
Data collection point number in the analog-to-digital conversion module unit interval adjusts the sample frequency of the system for acquiring seismic data.
Further, it is described to be adopted according to the corresponding time scale of the data flow in another embodiment of the method
Collect seismic data, including：
According to the corresponding time scale of the data flow, by the time scale and specified data acquisition moment progress
Match, obtain the data acquisition moment corresponding seismic data.
Further, it is described to be controlled according to the error amount adjustment center in another embodiment of the method
The frequency of the pulse width manager of unit obtains the adjustment frequency of the central control unit, including：
Judge whether the error amount is more than predetermined threshold value, if so, being controlled according to the error amount adjustment center
The frequency of the pulse width manager of unit obtains the adjustment frequency.
On the other hand, this application provides a kind of seismic prospecting data collecting processing unit, including：
Error acquisition module for obtaining the master clock time of the central control unit of system for acquiring seismic data, calculates
The master clock time and GPS tame and docile the error amount between the time reference of clock；
Frequency regulation block, for adjusting the pulse width manager of the central control unit according to the error amount
Frequency obtains the adjustment frequency of the central control unit；
Time scale module, for according to the adjustment frequency, adjusting collected in the system for acquiring seismic data
The time scale of data flow；
Data acquisition module, for acquiring seismic data according to the corresponding time scale of the data flow.
Further, in another embodiment of described device, the time scale module includes：
Sample frequency adjusts module, for adjusting the sampling frequency of the system for acquiring seismic data according to the adjustment frequency
Rate；
Time scale adjusts module, for according to the sample frequency after adjustment, adjust the data flow it is corresponding when
Between scale.
Further, in another embodiment of described device, the sample frequency adjustment module is specifically used for：
Using the adjustment frequency as the input of the analog-to-digital conversion module in the system for acquiring seismic data, described in control
Data collection point number in the analog-to-digital conversion module unit interval adjusts the sample frequency of the system for acquiring seismic data.
Further, in another embodiment of described device, the data acquisition module is specifically used for：
According to the corresponding time scale of the data flow, by the time scale and specified data acquisition moment progress
Match, obtain the data acquisition moment corresponding seismic data.
Further, in another embodiment of described device, the frequency regulation block is specifically used for：
It is when judging to know that the error amount is more than predetermined threshold value, then single according to the error amount adjustment center control
The frequency of the pulse width manager of member, obtains the adjustment frequency.
In another aspect, present invention also provides a kind of seismic prospecting data collecting processing unit, including：Processor and use
In the memory of storage processor-executable instruction, the processor realizes that above-mentioned seismic exploration data is adopted when performing described instruction
Collect processing method.
The seismic prospecting data collecting processing method and processing device that the application provides, using GPS with taming and dociling clock technology real time calibration
Shake data collecting system central control unit master clock frequency, by the frequency real-time ensuring of central control unit master clock with
GPS clock is identical.GPS receiver has the characteristics that timing accuracy is high, cheap stability is good, and the timing of GPS system
Pulse has long-term stability.The master clock of the application central control unit can be electronic circuit clock, and clock is tamed and dociled using GPS
Technology can realize the function of real time calibration central control unit master clock.And according to the master clock of central control unit with
Error amount between GPS time directly adjusts the frequency of central control unit rather than repairs item by addition to be adjusted
The error of central control unit master clock.And analog-to-digital conversion module is into horizontal electrical signal according to the basic frequency of central control unit
The conversion of digital signal, by directly adjusting the basic frequency of central control unit, can to avoid analog-to-digital conversion module with when
Between passage cause transformed error, influence system for acquiring seismic data data acquisition the moment accuracy.It is controlled according to center
The adjustment frequency of unit can adjust the time scale of data flow in system for acquiring seismic data in real time, it is ensured that the time of data flow
The accuracy of scale can further realize system for acquiring seismic data and swash according to the corresponding time scale of data flow
The precise synchronization of originator.The accuracy of seismic exploration data is improved, is provided for subsequent data cutting and data related operation
High-precision time information.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or it will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in application, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of method flow signal of seismic prospecting data collecting processing method one embodiment that the application provides
Figure；
Fig. 2 is the modular structure schematic diagram of seismic prospecting data collecting processing unit one embodiment that the application provides；
Fig. 3 is the structure diagram of time scale module in the application one embodiment；
Fig. 4 is the modular structure signal for another seismic prospecting data collecting processing unit embodiment that the application provides
Figure.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, the technical solution in the embodiment of the present application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
Technical staff's all other embodiments obtained without creative efforts should all belong to the application protection
Range.
Geologic structure analysis is carried out during seismic prospecting, a kind of important technological means that hydrocarbon storage analyzes.Usually may be used
With by it is to be analyzed area setting excitation end and receiving terminal, that is, the embodiment of the present application described in system for acquiring seismic data (
It is properly termed as collection terminal), seismic wave is generated at excitation end using modes such as artificial excitation such as controlled sources or explosive shooting, is being connect
Receiving end is provided with the data acquisition devices such as acquisition station and wave detector, can acquire the seismic wave by end is excited to generate.Pass through analysis
The different collected seismic datas of receiving terminal can realize the analysis of geologic structure, analysis of hydrocarbon storage situation etc..
In the prior art, the continuous recording mode of acquisition generally use of seismic exploration data, i.e. receiving terminal continuous acquisition
Data.When end is excited not carry out artificial earthquake excitation, for receiving terminal also in gathered data, i.e., the data that receiving terminal receives can
The vibration signal generated is shaken to be that ground is any.Such as：In wireless seismic data acquisition station, receiving terminal continuous acquisition number
According to by the conversion of signal, collected data are stored in a manner of binary data stream in local memory.Receiving terminal is adopted
Data in the data flow collected are only partly seismic datas corresponding with the seismic wave of excitation end generation, what the application provided
Seismic prospecting data collecting processing method can accurately collect seismic data corresponding with the seismic wave that excitation end generates.
Fig. 1 is a kind of method flow signal of seismic prospecting data collecting processing method one embodiment that the application provides
Figure, the seismic prospecting data collecting processing method that the application provides include：
S1, obtain system for acquiring seismic data central control unit master clock time, calculate the master clock time
The error amount between the time reference of clock is tamed and dociled with GPS.
Specifically, system for acquiring seismic data can include earthquake data acquisition station, wave detector, central control unit etc.,
Central control unit can be used for the work of other devices in Earthquake occurrence control data collecting system.It can be incited somebody to action in the embodiment of the present application
GPS time is as system for acquiring seismic data and the time reference at excitation end, the 1PPS exported using GPS receiver
(pulses per second) pulse per second (PPS) cooperation time information is GPS and tames and dociles clock.Clock technology is tamed and dociled using GPS, by earthquake data acquisition
The master clock time of the central control unit of system is made comparisons with GPS time, that is, time reference, can obtain seismic data in real time
Error amount between the master clock time and time reference of the central control unit of acquisition system.
S2, adjusted according to the error amount central control unit pulse width manager frequency, described in acquisition
The adjustment frequency of central control unit.
Specifically, after obtaining the error amount between the master clock time of central control unit and time reference, Ke Yidong
State continuously adjusts the frequency of the pulse width manager of central control unit, obtains the adjustment frequency of central control unit.Example
Such as：If obtaining master clock time compared with time reference, master clock 10 arteries and veins fewer than time reference, that is, GPS time in 1 second
Rush quantity, i.e. the frequency of master clock 10HZ fewer than GPS time.Pulse width manager in central control unit can then be adjusted
Frequency so that the frequency domain GPS time of master clock is identical.Frequency can be as the adjustment frequency of central control unit after adjustment
Rate.
In the application one embodiment, the pulse width that the central control unit is adjusted according to the error amount
The frequency of manager obtains the adjustment frequency of the central control unit, can include：
Judge whether the error amount is more than predetermined threshold value, if so, being controlled according to the error amount adjustment center
The frequency of the pulse width manager of unit obtains the adjustment frequency.
Specifically, after the error amount between the master clock time of central control unit and time reference is got, sentence
Disconnected error amount whether be more than predetermined threshold value, if more than, then can according to error amount adjust central control unit pulse width pipe
The frequency of device is managed, obtains the adjustment frequency of central control unit.If the error amount obtained is less than or equal to predetermined threshold value, it can be said that
The master clock time of bright current time central control unit is relatively accurate, can be without adjustment.In can not this time adjusting
The frequency of control unit is entreated, waits for the judging result of error amount next time.The size of predetermined threshold value can according to actual conditions into
Row setting, the application is not especially limited, and can adjust collected seismic data by adjusting the size of predetermined threshold value
Precision.
S3, according to the adjustment frequency, the time for adjusting collected data flow in the system for acquiring seismic data carves
Degree.
It specifically, can be by central control unit according to adjustment frequency after the adjustment frequency for obtaining central control unit
Time tag is beaten for data collected in system for acquiring seismic data, so as to adjust the corresponding time scale of data flow.Data
The corresponding sampling instant of data in data flow can be included by flowing corresponding time scale.Such as：It can be according to central control unit
The output of adjustment FREQUENCY CONTROL system for acquiring seismic data 1PPS quantity, export the number that pulse can be the corresponding moment
According to making a time tag.So as to make time tag, the time of different data for the data of the different moments in data flow
Mark forms the time scale of data flow.By adjusting frequency, the time tag of data can be adjusted, so as to adjust data flow
Time scale so that the time scale of the data flow after adjustment is more accurate.
It is described according to the adjustment frequency in the application one embodiment, it adjusts and is adopted in the system for acquiring seismic data
The time scale of the data flow collected can include：
The sample frequency of the system for acquiring seismic data is adjusted according to the adjustment frequency；
According to the sample frequency after adjustment, the corresponding time scale of the data flow is adjusted.
Specifically, the sample frequency of system for acquiring seismic data can be adjusted according to the adjustment frequency of central control unit,
Often sampling is primary, can obtain sampled data and correspond to a time tag, seismic data can be adjusted by adjusting sample frequency
The time scale of data flow in acquisition system.
It is described that adopting for the system for acquiring seismic data is adjusted according to the adjustment frequency in another embodiment of the application
Sample frequency can include：
Using the adjustment frequency as the input of the analog-to-digital conversion module in the system for acquiring seismic data, described in control
Data collection point number in the analog-to-digital conversion module unit interval adjusts the sample frequency of the system for acquiring seismic data.
Specifically, data acquisition is that displacement signal is converted into electric signal in system for acquiring seismic data, passes through mould
Number modular converter converts electrical signals to the binary data flow of formation that digital signal is stored.It can be single by center control
Input of the adjustment frequency of member as analog-to-digital conversion module in system for acquiring seismic data, that is, A/D modular converters, A/D modular converters
Can be according to the adjustment frequency of central control unit, the data for adjusting A/D modular converters progress analog-to-digital conversion in the unit interval are adopted
Collect the quantity of point.Data collection point number in the analog-to-digital conversion module unit interval changes, and system for acquiring seismic data is adopted
Sample frequency also changes correspondingly, then the data in data flow can also change accordingly.Data in data flow are being stored
When be corresponding with time tag, data collection point number changes in the unit interval, then in data flow each data time tag
Also can change accordingly, the corresponding time scale of data flow can also change.By the frequency for adjusting central control unit in real time
Rate, it is ensured that the master clock time of central control unit is consistent with GPS time.By the adjustment of the central control unit after adjustment
Input of the frequency as A/D modular converters can realize that AD conversion unit A/D unit interval data collection point numbers are entirely being adopted
(system for acquiring seismic data powers up to system for acquiring seismic data shutdown) is constant in the collection period.
S4, seismic data is acquired according to the corresponding time scale of the data flow.
Specifically, it obtains in system for acquiring seismic data after the corresponding time scale of collected data flow, it can basis
Need the data of seismic wave for generating the corresponding data of specified time scale as excitation end.
In the application one embodiment, by the time scale of the data flow in system for acquiring seismic data and it can specify
The data acquisition moment is matched, at the time of the specified data acquisition moment can be that the excitation of excitation end generates seismic wave.It obtains
Data corresponding with the time scale that the specified data acquisition moment matches, can be as the seismic data that excitation end generates.
The seismic prospecting data collecting processing method that the application provides, clock technology real time calibration seismic data is tamed and dociled using GPS
The frequency of the central control unit master clock of acquisition system, by the frequency real-time ensuring of central control unit master clock and during GPS
Clock is identical.GPS receiver has the characteristics that timing accuracy is high, cheap stability is good, and the commutator pulse tool of GPS system
There is long-term stability.The master clock of the application central control unit can be electronic circuit clock, and taming and dociling clock technology using GPS can
To realize the function of real time calibration central control unit master clock.And according to the master clock and GPS time of central control unit
Between error amount, directly adjust the frequency of central control unit rather than item repaired by addition and be adjusted central control
The error of unit master clock processed.And analog-to-digital conversion module is believed according to the number of basic frequency into the horizontal electrical signal of central control unit
Number conversion, by directly adjusting the basic frequency of central control unit, can to avoid analog-to-digital conversion module pushing away with the time
Shifting causes transformed error, influences the accuracy at the data acquisition moment of system for acquiring seismic data.According to central control unit
Adjustment frequency can adjust the time scale of data flow in system for acquiring seismic data in real time, it is ensured that the standard of data flow time scale
True property can further realize system for acquiring seismic data and excite the essence at end according to the corresponding time scale of data flow
It is really synchronous.The accuracy of seismic exploration data is improved, is provided for subsequent data cutting and data related operation high-precision
Time information.
Based on seismic prospecting data collecting processing method described above, this specification one or more embodiment also provides
A kind of seismic prospecting data collecting processing unit.The device can include the use of this specification embodiment the method
System (including distributed system), software (application), module, component, server, client etc. simultaneously combine necessary implementation hardware
Device.Based on same innovation thinking, the device in one or more embodiments that this specification embodiment provides is as following
Described in embodiment.Since the implementation that device solves the problems, such as is similar to method, the specific device of this specification embodiment
Implementation may refer to the implementation of preceding method, overlaps will not be repeated.It is used below, term " unit " or " mould
Block " can realize the combination of the software and/or hardware of predetermined function.Although the described device of following embodiment is preferably with soft
Part is realized, but the realization of the combination of hardware or software and hardware is also what may and be contemplated.
Specifically, Fig. 2 is the modular structure of seismic prospecting data collecting processing unit one embodiment that the application provides
Schematic diagram, as shown in Fig. 2, seismic prospecting data collecting processing unit provided herein includes：Error acquisition module 21, frequency
Rate adjusts module 22, time scale module 23, data acquisition module 24.
Error acquisition module 21, when can be used for obtaining the master clock of the central control unit of system for acquiring seismic data
Between, it calculates the master clock time and GPS tames and dociles error amount between the time reference of clock；
Frequency regulation block 22 can be used for adjusting the pulse width pipe of the central control unit according to the error amount
The frequency of device is managed, obtains the adjustment frequency of the central control unit；
Time scale module 23 can be used for, according to the adjustment frequency, adjusting and adopting in the system for acquiring seismic data
The time scale of the data flow collected；
Data acquisition module 24 can be used for according to the corresponding time scale acquisition seismic data of the data flow.
The seismic prospecting data collecting processing unit that the application provides, earthquake can be obtained in real time by taming and dociling clock technology using GPS
The master clock time of the central control unit of data collecting system and the error amount of GPS time, can be with according to the error amount of acquisition
The frequency of central control unit pulse width manager is adjusted, obtains the adjustment frequency of central control unit.According to the tune of acquisition
Whole frequency can adjust the time scale of data flow in system for acquiring seismic data, it is ensured that in system for acquiring seismic data in real time
The accuracy of data flow time scale.Further it can realize that seismic data is adopted according to the corresponding time scale of data flow
Collecting system and the precise synchronization at excitation end.The accuracy of seismic exploration data is improved, is subsequent data cutting and data phase
It closes operation and high-precision time information is provided.
Fig. 3 is the structure diagram of time scale module in the application one embodiment, as shown in figure 3, the time carves
Degree module 23 includes：
Sample frequency adjusts module 31, can be used for adjusting the system for acquiring seismic data according to the adjustment frequency
Sample frequency；
Time scale adjusts module 32, can be used for, according to the sample frequency after adjustment, adjusting the data flow pair
The time scale answered.
The seismic prospecting data collecting processing unit that the application provides, can pass through the adjustment of the central control unit of acquisition
Frequency adjusts the sample frequency of system for acquiring seismic data in real time, further adjust system for acquiring seismic data in data flow when
Between scale.Ensure the accuracy of data flow time scale in system for acquiring seismic data.It can further be corresponded to according to data flow
Time scale, can realize system for acquiring seismic data and excite end precise synchronization.Improve the standard of seismic exploration data
True property provides high-precision time information for subsequent data cutting and data related operation.
On the basis of above-described embodiment, the sample frequency adjustment module is specifically used for：
Using the adjustment frequency as the input of the analog-to-digital conversion module in the system for acquiring seismic data, described in adjustment
Data collection point number in the analog-to-digital conversion module unit interval adjusts the sample frequency of the system for acquiring seismic data.
The seismic prospecting data collecting processing unit that the application provides, using the sample frequency of central control unit as earthquake
The master clock input of analog-to-digital conversion module, can adjust data of the analog-to-digital conversion module within the unit interval in data collecting system
Acquisition points further adjust the time scale of data flow.And analog-to-digital conversion module is the basic frequency according to central control unit
Into the conversion of the digital signal of horizontal electrical signal, by directly adjusting the basic frequency of central control unit, can turn to avoid modulus
Mold changing block causes transformed error over time, influences the accuracy at the data acquisition moment of system for acquiring seismic data.
Ensure the accuracy of data flow time scale, further can earthquake number can be realized according to the corresponding time scale of data flow
According to acquisition system and the precise synchronization at excitation end.The accuracy of seismic exploration data is improved, is subsequent data cutting sum number
High-precision time information is provided according to related operation.
On the basis of above-described embodiment, the data acquisition module is specifically used for：
According to the corresponding time scale of the data flow, by the time scale and specified data acquisition moment progress
Match, obtain the data acquisition moment corresponding seismic data.
The seismic prospecting data collecting processing unit that the application provides, by data in the system for acquiring seismic data after adjustment
The time scale of stream matches with the specified data acquisition moment, can realize system for acquiring seismic data and excite the accurate of end
It is synchronous, the accuracy of seismic exploration data is improved, when providing high-precision for subsequent data cutting and data related operation
Carve information.
On the basis of above-described embodiment, the frequency regulation block is specifically used for：
When judging that the error amount is more than predetermined threshold value, then the central control unit is adjusted according to the error amount
The frequency of pulse width manager obtains the adjustment frequency.
The seismic prospecting data collecting processing unit that the application provides is controlled by the center for judging system for acquiring seismic data
The magnitude relationship of error amount and predetermined threshold value between the master clock time and GPS time of unit processed, it can be determined that center control
Whether the master clock time of unit is accurate, while data flow time scale precision is ensured, avoids unnecessary calculating process,
Reduce the load of system for acquiring seismic data.
Need what is illustrated, device described above can also include other embodiment party according to the description of embodiment of the method
Formula, concrete implementation mode are referred to the description of related method embodiment, do not repeat one by one herein.
It is above-mentioned that this specification specific embodiment is described.Other embodiments are in the scope of the appended claims
It is interior.In some cases, the action recorded in detail in the claims or step can be come according to different from the sequence in embodiment
It performs and still can realize desired result.In addition, the process described in the accompanying drawings not necessarily require show it is specific suitable
Sequence or consecutive order could realize desired result.In some embodiments, multitasking and parallel processing be also can
With or it may be advantageous.
The above-mentioned seismic prospecting data collecting processing method or device that this specification embodiment provides can be in a computer
Corresponding program instruction is performed by processor to realize, such as realized using the c++ language of windows operating systems at PC ends,
Linux system is realized or other are for example realized using android, iOS system programming language in intelligent terminal, Yi Jiji
Realized in the processing logic of quantum computer etc..This specification provide a kind of seismic prospecting data collecting processing unit it is another
In a embodiment, Fig. 4 is that the modular structure for another seismic prospecting data collecting processing unit embodiment that the application provides is shown
It is intended to, as shown in figure 4, the seismic prospecting data collecting processing unit that another embodiment of the application provides can include processor 41
And the memory 42 for storing processor-executable instruction,
Processor 41 and memory 42 complete mutual communication by bus 43；
The processor 41 is used to call the program instruction in the memory 42, to perform above-mentioned each seismic exploration data
The method that acquiring and processing method embodiment is provided, such as including：Obtain the central control unit of system for acquiring seismic data
Master clock time calculates the master clock time and GPS and tames and dociles error amount before the time reference of clock；According to the error amount tune
The frequency of the pulse width manager of the whole central control unit obtains the adjustment frequency of the central control unit；According to
The adjustment frequency adjusts the time scale of collected data flow in the system for acquiring seismic data；According to the data
Flow corresponding time scale acquisition seismic data.
It should be noted that specification device described above can also include it according to the description of related method embodiment
His embodiment, concrete implementation mode are referred to the description of embodiment of the method, do not repeat one by one herein.In the application
Each embodiment described by the way of progressive, just to refer each other for identical similar part between each embodiment, often
What a embodiment stressed is all difference from other examples.For hardware+program class embodiment,
Since it is substantially similar to embodiment of the method, so description is fairly simple, related part is said referring to the part of embodiment of the method
It is bright.
This specification embodiment is not limited to meet industry communication standard, standard computer data processing sum number
According to storage rule or the described situation of this specification one or more embodiment.The right way of conduct is made in certain professional standards or use by oneself
In formula or the practice processes of embodiment description embodiment modified slightly can also realize above-described embodiment it is identical, it is equivalent or
The implementation result being anticipated that after close or deformation.Using these modifications or deformed data acquisition, storage, judgement, processing side
The embodiment of the acquisitions such as formula still may belong within the scope of the optional embodiment of this specification embodiment.
In the 1990s, the improvement of a technology can be distinguished clearly be on hardware improvement (for example,
Improvement to circuit structures such as diode, transistor, switches) or software on improvement (improvement for method flow).So
And with the development of technology, the improvement of current many method flows can be considered as directly improving for hardware circuit.
Designer nearly all obtains corresponding hardware circuit by the way that improved method flow is programmed into hardware circuit.Cause
This, it cannot be said that the improvement of a method flow cannot be realized with hardware entities module.For example, programmable logic device
(Programmable Logic Device, PLD) (such as field programmable gate array (Field Programmable Gate
Array, FPGA)) it is exactly such a integrated circuit, logic function determines device programming by user.By designer
Voluntarily programming a digital display circuit " integrated " on a piece of PLD, designs and make without asking chip maker
Dedicated IC chip.Moreover, nowadays, substitution manually makes IC chip, this programming is also used instead mostly " patrols
Volume compiler (logic compiler) " software realizes that software compiler used is similar when it writes with program development,
And the source code before compiling also write by handy specific programming language, this is referred to as hardware description language
(Hardware Description Language, HDL), and HDL is also not only a kind of, but there are many kind, such as ABEL
(Advanced Boolean Expression Language)、AHDL(Altera Hardware Description
Language)、Confluence、CUPL(Cornell University Programming Language)、HDCal、JHDL
(Java Hardware Description Language)、Lava、Lola、MyHDL、PALASM、RHDL(Ruby
Hardware Description Language) etc., VHDL (Very-High-Speed are most generally used at present
Integrated Circuit Hardware Description Language) and Verilog.Those skilled in the art also should
This understands, it is only necessary to method flow slightly programming in logic and is programmed into integrated circuit with above-mentioned several hardware description languages,
The hardware circuit for realizing the logical method flow can be readily available.
Controller can be implemented in any suitable manner, for example, controller can take such as microprocessor or processing
The computer of computer readable program code (such as software or firmware) that device and storage can be performed by (micro-) processor can
Read medium, logic gate, switch, application-specific integrated circuit (Application Specific Integrated Circuit,
ASIC), the form of programmable logic controller (PLC) and embedded microcontroller, the example of controller include but not limited to following microcontroller
Device：ARC 625D, Atmel AT91SAM, Microchip PIC18F26K20 and Silicone Labs C8051F320, are deposited
Memory controller is also implemented as a part for the control logic of memory.It is also known in the art that in addition to
Pure computer readable program code mode is realized other than controller, can be made completely by the way that method and step is carried out programming in logic
Controller is obtained in the form of logic gate, switch, application-specific integrated circuit, programmable logic controller (PLC) and embedded microcontroller etc. to come in fact
Existing identical function.Therefore this controller is considered a kind of hardware component, and various to being used to implement for including in it
The device of function can also be considered as the structure in hardware component.Or even, the device for being used to implement various functions can be regarded
For either the software module of implementation method can be the structure in hardware component again.
System, device, module or the unit that above-described embodiment illustrates can specifically realize by computer chip or entity,
Or it is realized by having the function of certain product.A kind of typical realization equipment is computer.Specifically, computer for example may be used
Think personal computer, laptop computer, vehicle-mounted human-computer interaction device, cellular phone, camera phone, smart phone, individual
Digital assistants, media player, navigation equipment, electronic mail equipment, game console, tablet computer, wearable device or
The combination of any equipment in these equipment of person.
Although this specification one or more embodiment provides the method operating procedure as described in embodiment or flow chart,
But either it can include more or less operating procedures without creative means based on conventional.The step of being enumerated in embodiment
Sequence is only a kind of mode in numerous step execution sequences, does not represent and unique performs sequence.Device in practice or
When end product performs, can according to embodiment either method shown in the drawings sequence perform or it is parallel perform it is (such as parallel
The environment of processor or multiple threads, even distributed data processing environment).Term " comprising ", "comprising" or its
Any other variant is intended to non-exclusive inclusion so that process, method, product including a series of elements or
Equipment not only include those elements, but also including other elements that are not explicitly listed or further include for this process,
Method, product or the intrinsic element of equipment.In the absence of more restrictions, it is not precluded including the element
Also there are other identical or equivalent elements in process, method, product or equipment.The first, the second grade words are used for representing name
Claim, and do not represent any particular order.
For convenience of description, it is divided into various modules during description apparatus above with function to describe respectively.Certainly, implementing this
The function of each module is realized can in the same or multiple software and or hardware during specification one or more, it can also
The module for realizing same function is realized by the combination of multiple submodule or subelement etc..Device embodiment described above is only
It is only illustrative, for example, in addition the division of the unit, only a kind of division of logic function can have in actual implementation
Dividing mode, such as multiple units or component may be combined or can be integrated into another system or some features can be with
Ignore or do not perform.Another point, shown or discussed mutual coupling, direct-coupling or communication connection can be logical
Some interfaces are crossed, the INDIRECT COUPLING or communication connection of device or unit can be electrical, machinery or other forms.
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of device (system) and computer program product
Figure and/or block diagram describe.It should be understood that it can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
The processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that the instruction performed by computer or the processor of other programmable data processing devices is generated for real
The device of function specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction generation being stored in the computer-readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps are performed on calculation machine or other programmable devices to generate computer implemented processing, so as in computer or
The instruction offer performed on other programmable devices is used to implement in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
In a typical configuration, computing device includes one or more processors (CPU), input/output interface, net
Network interface and memory.
Memory may include computer-readable medium in volatile memory, random access memory (RAM) and/or
The forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM).Memory is computer-readable medium
Example.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method
Or technology come realize information store.Information can be computer-readable instruction, data structure, the module of program or other data.
The example of the storage medium of computer includes, but are not limited to phase transition internal memory (PRAM), static RAM (SRAM), moves
State random access memory (DRAM), other kinds of random access memory (RAM), read-only memory (ROM), electric erasable
Programmable read only memory (EEPROM), fast flash memory bank or other memory techniques, CD-ROM read-only memory (CD-ROM),
Digital versatile disc (DVD) or other optical storages, magnetic tape cassette, the storage of tape magnetic rigid disk, graphene stores or other
Magnetic storage apparatus or any other non-transmission medium, available for storing the information that can be accessed by a computing device.According to herein
In define, computer-readable medium does not include the data of temporary computer readable media (transitory media), such as modulation
Signal and carrier wave.
It will be understood by those skilled in the art that this specification one or more embodiment can be provided as method, system or calculating
Machine program product.Therefore, this specification one or more embodiment can be used complete hardware embodiment, complete software embodiment or
With reference to the form of the embodiment in terms of software and hardware.Moreover, this specification one or more embodiment can be used at one or
It is multiple wherein include computer usable program code computer-usable storage medium (include but not limited to magnetic disk storage,
CD-ROM, optical memory etc.) on the form of computer program product implemented.
This specification one or more embodiment can computer executable instructions it is general on
Described in hereafter, such as program module.Usually, program module includes performing particular task or realizes particular abstract data type
Routine, program, object, component, data structure etc..This this specification one can also be put into practice in a distributed computing environment
Or multiple embodiments, in these distributed computing environment, by being held by communication network and connected remote processing devices
Row task.In a distributed computing environment, program module can be located at the local and remote computer including storage device
In storage medium.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Point just to refer each other, and the highlights of each of the examples are difference from other examples.Especially for system reality
For applying example, since it is substantially similar to embodiment of the method, so description is fairly simple, related part is referring to embodiment of the method
Part explanation.In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ",
The description of " specific example " or " some examples " etc. means to combine specific features, structure, material that the embodiment or example describe
Or feature is contained at least one embodiment or example of this specification.In the present specification, to the signal of above-mentioned term
Property statement be necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described
It may be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this
The technical staff in field can be by the different embodiments or examples described in this specification and the spy of different embodiments or examples
Sign is combined.
The foregoing is merely the embodiments of this specification one or more embodiment, are not limited to book explanation
Book one or more embodiment.To those skilled in the art, this specification one or more embodiment can have various
Change and variation.All any modification, equivalent replacement, improvement and so within spirit herein and principle, should all include
Within right.
Claims (11)
1. a kind of seismic prospecting data collecting processing method, which is characterized in that
The master clock time of the central control unit of system for acquiring seismic data is obtained, the master clock time is calculated and is tamed and dociled with GPS
Error amount between the time reference of clock；
The frequency of the pulse width manager of the central control unit is adjusted according to the error amount, obtains the center control
The adjustment frequency of unit；
According to the adjustment frequency, the time scale of collected data flow in the system for acquiring seismic data is adjusted；
According to the corresponding time scale acquisition seismic data of the data flow.
2. a kind of seismic prospecting data collecting processing method as described in claim 1, which is characterized in that described according to the tune
Whole frequency adjusts the time scale of collected data flow in the system for acquiring seismic data, including：
The sample frequency of the system for acquiring seismic data is adjusted according to the adjustment frequency；
According to the sample frequency after adjustment, the corresponding time scale of the data flow is adjusted.
3. a kind of seismic prospecting data collecting processing method as claimed in claim 2, which is characterized in that described according to the tune
Whole frequency adjusts the sample frequency of the system for acquiring seismic data, including：
Using the adjustment frequency as the input of the analog-to-digital conversion module in the system for acquiring seismic data, the modulus is controlled
Data collection point number in the modular converter unit interval adjusts the sample frequency of the system for acquiring seismic data.
4. a kind of seismic prospecting data collecting processing method as described in claim 1, which is characterized in that described according to the number
Seismic data is acquired according to corresponding time scale is flowed, including：
According to the corresponding time scale of the data flow, the time scale is matched with the specified data acquisition moment,
Obtain the data acquisition moment corresponding seismic data.
5. such as a kind of seismic prospecting data collecting processing method of claim 1-4 any one of them, which is characterized in that described
The frequency of the pulse width manager of the central control unit is adjusted according to the error amount, obtains the central control unit
Frequency is adjusted, including：
Judge whether the error amount is more than predetermined threshold value, if so, adjusting the central control unit according to the error amount
Pulse width manager frequency, obtain the adjustment frequency.
6. a kind of seismic prospecting data collecting processing unit, which is characterized in that including：
Error acquisition module, for obtaining the master clock time of the central control unit of system for acquiring seismic data, described in calculating
Master clock time and GPS tame and docile the error amount between the time reference of clock；
Frequency regulation block, for adjusting the frequency of the pulse width manager of the central control unit according to the error amount
Rate obtains the adjustment frequency of the central control unit；
Time scale module, for according to the adjustment frequency, adjusting collected data in the system for acquiring seismic data
The time scale of stream；
Data acquisition module, for acquiring seismic data according to the corresponding time scale of the data flow.
A kind of 7. seismic prospecting data collecting processing unit as claimed in claim 6, which is characterized in that the time scale mould
Block includes：
Sample frequency adjusts module, for adjusting the sample frequency of the system for acquiring seismic data according to the adjustment frequency；
Time scale adjusts module, for according to the sample frequency after adjustment, adjusting the data flow corresponding quarter time
Degree.
A kind of 8. seismic prospecting data collecting processing unit as claimed in claim 7, which is characterized in that the sample frequency tune
Mould preparation block is specifically used for：
Using the adjustment frequency as the input of the analog-to-digital conversion module in the system for acquiring seismic data, the modulus is controlled
Data collection point number in the modular converter unit interval adjusts the sample frequency of the system for acquiring seismic data.
A kind of 9. seismic prospecting data collecting processing unit as claimed in claim 6, which is characterized in that the data acquisition module
Block is specifically used for：
According to the corresponding time scale of the data flow, the time scale is matched with the specified data acquisition moment,
Obtain the data acquisition moment corresponding seismic data.
10. such as a kind of seismic prospecting data collecting processing unit of claim 6-9 any one of them, which is characterized in that described
Frequency regulation block is specifically used for：
When judging that the error amount is more than predetermined threshold value, then the pulse of the central control unit is adjusted according to the error amount
The frequency of width manager obtains the adjustment frequency.
11. a kind of seismic prospecting data collecting processing unit, which is characterized in that and can for storing processor including processor
The memory of execute instruction, the processor are realized when performing described instruction such as any one the method in claim 1 to 5
The step of.
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| CN108709577A (en) * | 2018-07-09 | 2018-10-26 | 北京华新创科信息技术有限公司 | Clocking method, device and the equipment of sensor |
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