CN106777060B - Node type seismograph data file management system and method - Google Patents
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Abstract
The invention discloses a node type seismograph data file management system and a method, which belong to the technical field of geological exploration data management, wherein the system comprises an original data file analysis module and a file combination module; the original data file analysis module analyzes an original data file recorded by the node seismograph according to a predefined data frame format to acquire sampling information; and the file merging module merges the data files acquired by the acquisition stations with different numbers according to the sampling information. Analyzing an original data file recorded by the node seismograph according to a predefined data frame format to acquire sampling information of the original data file; and merging the data files acquired by the acquisition stations with different numbers according to the sampling information. According to the sampling information of the original data files acquired by the node seismograph, the original data files are combined into a single file, so that the retrieval efficiency of the data files is improved, and the time for sorting the original data files is saved.
Description
Technical Field
The invention relates to the technical field of geological exploration data management, in particular to a node type seismograph data file management system and method.
Background
The node type seismograph has unique application advantages in earth physics such as artificial seismic data, natural source surface waves, micromotion and the like, and the management process is to store data acquired in real time in local equipment and then to lead the data recorded on the equipment into a computer through external interfaces such as a network port and a USB interface. Meanwhile, in order to ensure the safety and reliability of the data acquired by the node seismograph, the node seismograph writes the acquired data into a file in a binary form according to a data frame format shown in fig. 1, and the data sampling time length of the node seismograph is one minute. However, the existing management method of the node-type seismograph data file has the following serious defects: firstly, the data file format shown in fig. 1 cannot be analyzed by the relevant data processing software, and cannot meet different requirements of users. Secondly, because the data sampling time of the node seismograph is short, when the node seismograph performs sampling for several days or even longer, a large number of data files are generated, so that the difficulty of data management is increased, and the difficulty of extracting data from a plurality of node seismograph devices and combining the data into a single specified data format file is increased. Thirdly, the existing data file management system is operated manually when extracting or combining the overlapped sampling time data of different stations, and the efficiency and the accuracy are low. Fourthly, in the data frame format shown in fig. 1, the GPS time clock signal and the GPS location information are used to implement the multi-station synchronization function, but in the actual application process, the GPS signal is lost, so that the GPS information recorded on the data file is incorrect, and the existing data management system lacks detection and correction of the incorrect GPS signal.
Disclosure of Invention
The invention aims to provide a node type seismograph data file management system and method, which are used for conveniently and quickly combining original data files into a single file.
In order to realize the purpose, the invention adopts the technical scheme that: in a first aspect, a node seismograph data file management system is provided, the system comprising: the system comprises an original data file analyzing module and a file merging module;
the original data file analysis module is used for analyzing an original data file recorded by the node seismograph according to a predefined data frame format to acquire sampling information of the original data file, wherein the sampling information comprises a sampling rate, sampling starting time, sampling ending time, a node seismograph acquisition station number, a node seismograph acquisition station GPS time clock signal and GPS position information;
and the file merging module is used for merging data files acquired by the node type seismograph acquisition stations with different numbers according to the sampling information.
In a second aspect, a node-type seismograph data file management method is provided, and the method comprises the following steps:
analyzing an original data file recorded by the node-type seismograph according to a predefined data frame format to acquire sampling information of the original data file, wherein the sampling information comprises a sampling rate, sampling start time, sampling end time, a node-type seismograph acquisition station number, a node-type seismograph acquisition station GPS time clock signal and GPS position information;
and merging the data files acquired by the node type seismograph acquisition stations with different numbers according to the sampling information.
Compared with the prior art, the invention has the following technical effects: the original data files are collected through the node type seismograph collection stations, the original data files collected by the node type seismograph collection stations with different numbers are combined into a single file according to sampling information, or the data files required to be combined by a user are combined into a single file, so that the retrieval efficiency of the data files is improved, the time for arranging the original data files is saved, and the purpose of efficiently managing the original data files collected by the node type seismograph collection stations with different numbers is achieved.
Drawings
FIG. 1 is a diagram of a data frame format according to the background of the invention;
FIG. 2 is a schematic diagram of the architecture of a nodal seismograph data file management system in one embodiment of the present invention;
FIG. 3 is a schematic diagram of the architecture of a nodal seismograph data file management system in another embodiment of the present invention;
FIG. 4 is a schematic flow chart of a method for node seismograph data file management in an embodiment of the present invention;
FIG. 5 is a schematic flow chart illustrating merging of data files collected by node seismograph collection stations with different numbers according to sampling information in another embodiment of the present invention;
FIG. 6 is a schematic flow chart of a method for node seismograph data file management in another embodiment of the present invention;
FIG. 7 is a schematic flow chart of the method for detecting and correcting error information in the information recorded in the data frame of the original data file acquired by the node-type seismograph acquisition stations with different numbers according to another embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to fig. 2 to 6.
As shown in fig. 2 to 3, the present embodiment discloses a node-type seismograph data file management system, which includes: an original data file analyzing module 10 and a file merging module 20;
the original data file analyzing module 10 is configured to analyze an original data file recorded by a node-type seismograph according to a predefined data frame format to obtain sampling information of the original data file, where the sampling information includes a sampling rate, a sampling start time, a sampling end time, a node-type seismograph acquisition station number, a node-type seismograph acquisition station GPS time clock signal, and GPS position information;
the file merging module 20 is configured to merge data files acquired by node-type seismograph acquisition stations with different numbers according to the sampling information.
Furthermore, the node type seismograph acquisition station number plays a role of a unique identifier of equipment, a GPS time clock signal is used for realizing a multi-station synchronization function, and GPS position information is the position of the node type seismograph acquisition station on the earth, which is obtained by receiving a signal sent by a GPS satellite and positioning according to the signal.
Specifically, the original data file analyzing module 10 copies data from the node seismograph to a host on a Windows or Linux platform, opens an original data file by using a standard file operation function, reads a corresponding byte section according to a defined data format, and analyzes to obtain sampling information.
Specifically, the file merge module 20 includes a first merge unit 21 and a second merge unit 22;
the first merging unit 21 is configured to merge data files acquired by node-type seismograph acquisition stations with different numbers into a predetermined data format file based on the sampling information;
specifically, the predetermined data format file specifies a required data format file for the user.
The second merging unit 22 is configured to merge original data files acquired by node-type seismograph acquisition stations with different numbers into one data file according to overlapping sampling time. It should be noted that the overlapped sampling time herein refers to the sampling time of the overlapped portion in each original data file.
Specifically, the working process of the file merging module 20 is as follows: according to the data frame format described in fig. 1, several parameters of the original data files to be merged may be obtained: sampling rate, sampling start time, sampling end time and channel number, and temporarily storing the parameters in a vector. And judging whether the sampling rates of the parameters temporarily stored in the vector are the same or not, if so, not combining the files, throwing out abnormal information and exiting. If the sampling rates are the same, sequencing the sampling time of each file from small to large, checking whether the sequenced sampling start time and sampling end time are continuous, and if the sampling time is continuous, combining the files. If the sampling time is discontinuous, checking whether each file has a repeated channel ID, if so, throwing the abnormal file and exiting, if not, checking whether the files have the common sampling time, if so, merging the files according to the common sampling time, otherwise, throwing the abnormal file and exiting.
It should be noted that in practical applications, data files interested by the user or data files specified by the user may also be merged according to the merging process.
As shown in fig. 2 to fig. 3, the node-type seismograph data file management system further includes an overhaul module 30, configured to detect and correct error information in information recorded in data frames of original data files acquired by node-type seismograph acquisition stations with different numbers;
specifically, the overhaul module 30 includes a detection unit 31 and a correction module 32;
the detection unit 31 is configured to detect whether an error occurs in information recorded in a data frame of an original data file acquired by a node-type seismograph acquisition station with a different number;
specifically, the error condition of the information recorded by the data frame to be detected includes two conditions of detecting whether each original data file loses frames or not and whether the GPS information is wrong or not.
The correcting unit 32 is configured to correct the erroneous information when the information recorded in the data frame is erroneous.
The specific detection and correction process comprises the following steps: and checking whether the frame count in the original data file is continuous or not according to the frame count in the original data frame, if the frame count in the original data file is discontinuous, indicating that a frame loss situation occurs, and throwing out data loss information. Checking whether the GPS time clock signal of the original data file is continuous or not, if the GPS time clock signal is discontinuous, indicating that the GPS time clock signal loss condition possibly occurs, throwing out abnormal information of the GPS time clock signal, and prompting whether the GPS time clock signal is corrected or not, if the GPS time clock signal is corrected, calculating according to frame counting, and correcting the wrong GPS time clock signal. In the embodiment, the information recorded by the data frame in the original data file is detected, and the error information is corrected, so that the accuracy of the original data acquired by each acquisition station in the management process is ensured.
As shown in fig. 2, the file format conversion module 40 is configured to convert original data file formats acquired by node-type seismograph acquisition stations with different numbers into preset data file formats. The preset data file format is a standard data file format such as SEG-Y, SEG2 and the like commonly used in geophysics, and the format of original data files acquired by node seismograph acquisition stations with different numbers is converted into a unified standard data file format, so that data interpretation and analysis can be conveniently carried out on the data by related workers.
As shown in fig. 2 to 3, the node-type seismograph data file management system in the present embodiment further includes: a file display analysis module 50, the file display analysis module 50 including a display unit 51 and an analysis unit 52;
the display unit 51 is used for displaying original data files and/or the sampling information acquired by the node type seismograph acquisition stations with different numbers in a chart form;
specifically, the chart form includes a graph and a table, in this embodiment, the original data files collected by the node-type seismograph collection stations with different numbers are converted into a data graph form, and the sampling information is converted into a table form, so that a user can manage each original data file more intuitively and vividly.
The analyzing unit 52 is used for analyzing the data in the chart and/or the sampling information.
Specifically, the analysis of the data and/or sampling information in the graph described herein includes analyzing whether the data values in the graph are modified, and when the data values in the graph are modified, a new data value may be written into the graph to replace the original modified data value, that is, the data values may be directly modified in the graph.
It should be noted here that each functional module in this embodiment is completely separated, and loose coupling between different modules is realized through the interface provided by each module, so that when a certain module is changed, the operation of other modules is not affected, and maintenance and expansion of the system are facilitated.
As shown in fig. 4, the present embodiment discloses a node-type seismograph data file management method, which includes the following steps S1 to S2:
s1, analyzing sampling information from an original data file acquired by the node seismograph according to a predefined data frame format, wherein the sampling information comprises sampling rate, sampling start time, sampling end time, node seismograph acquisition station number, node seismograph acquisition station GPS time clock signal and GPS position information;
and S2, merging the data files acquired by the node type seismograph acquisition stations with different numbers according to the sampling information.
Specifically, fig. 5 shows a schematic flow chart of merging data files acquired by node-type seismograph acquisition stations with different numbers according to sampling information, and the specific process is as follows:
judging whether the sampling rates in the original data files collected by the node type seismograph collection stations with different numbers are the same or not,
if the sampling time of the original data files is the same, arranging the sampling time of the original data files acquired by the node type seismograph acquisition stations with different numbers from small to large, and judging whether the sampling start time and the sampling end time after the arrangement are continuous or not;
if the data files are continuous, merging original data files acquired by the node type seismograph acquisition stations with different numbers;
if the data file is discontinuous, checking whether the original data file acquired by the node type seismograph acquisition stations with different numbers has repeated initial channel addresses;
if the repeated initial channel addresses do not exist, judging whether original data with the same sampling time exist in original data files acquired by node type seismograph acquisition stations with different numbers;
and if the original data files have the same sampling time, merging the original data files with the same sampling time.
Specifically, as shown in fig. 6 to 7, the node-type seismograph data file management method in this embodiment further includes the following step S3:
and S3, detecting and correcting error information in the information recorded by the data frames in the original data files acquired by the node type seismograph acquisition stations with different numbers.
A specific flow diagram of detecting and correcting data frame information in the original data file acquired by the node-type seismograph acquisition station in step S3 is shown in fig. 7, and the specific process is as follows:
judging whether the frame counting is continuous or not according to the frame counting information of the data frames in the original data file recorded by the node seismograph;
if the data is discontinuous, determining that the original data file acquired by the node seismograph has data frame loss, and throwing out data frame loss information;
judging whether a GPS time clock signal of an original data file acquired by a node type seismograph is continuous or not;
if not, determining that the GPS time clock signal is in error and performing calculation according to the frame count in the data frame of the original data file to correct the error GPS time clock signal.
In the embodiment, the information recorded by the data frame in the original data file is detected, and the wrong information is corrected, so that the accuracy of the original data acquired by each acquisition station in the management process is ensured.
Specifically, as shown in fig. 6, the node-type seismograph data file management method in this embodiment further includes step S4:
and S4, converting the original data file format collected by the node type seismograph collection stations with different numbers into a preset data file format.
According to the sampling information obtained by the original data analysis module, data in the original data file is extracted and converted into a preset file format, wherein the preset file format is an SEG-Y, SEG2 file format commonly used in the geophysical field, and therefore the original data file can be analyzed conveniently.
Specifically, as shown in fig. 6, the node-type seismograph data file management method of the present embodiment further includes step S5:
and S5, displaying and analyzing the original data acquired by the node type seismograph acquisition stations with different numbers.
Wherein, step S5 specifically includes the following subdivision steps:
displaying data and/or sampling information in data files acquired by node type seismograph acquisition stations with different numbers in a chart form;
and analyzing the data in the chart and/or the sampling information.
It should be noted that, the data and the sampling information in the original data file are respectively displayed in the form of a graph and a table, and the curve graph can realize the functions of zooming and moving the curve, and can also enlarge and reduce the data segment graph of the time area which is interested by the user. In addition, the sampling information obtained by the original data analysis module is displayed in a table form, the data can be directly modified in the table, and when the data value in the table is found to be modified, a new data value is written into the table to replace the original modified data value.
Claims (8)
1. A node formula seismograph data file management system which characterized in that: comprises an original data file analyzing module (10) and a file merging module (20);
the original data file analyzing module (10) is used for analyzing an original data file recorded by the node seismograph according to a predefined data frame format to acquire sampling information of the original data file, wherein the sampling information comprises a sampling rate, sampling starting time, sampling ending time, a node seismograph acquisition station number, a node seismograph acquisition station GPS time clock signal and GPS position information;
the file merging module (20) is used for merging original data files acquired by the node type seismograph acquisition stations with different numbers according to sampling information;
the file merging module (20) comprises a first merging unit (21) and a second merging unit (22);
the first merging unit (21) is used for merging original data files acquired by node type seismograph acquisition stations with different numbers into a preset data format file based on the GPS time clock signal;
the second merging unit (22) is used for merging original data files acquired by the node type seismograph acquisition stations with different numbers into one data file according to overlapped sampling time;
the method comprises the following main steps of merging original data files:
judging whether sampling rates in original data files acquired by node type seismograph acquisition stations with different numbers are the same or not, if the sampling rates are different, file combination cannot be carried out, abnormal information is thrown out, and the process is exited;
if the sampling rates are the same, arranging the sampling times of the original data files acquired by the node type seismograph acquisition stations with different numbers in a descending order, and judging whether the ordered sampling start time and the ordered sampling end time are continuous;
if the sampling time is continuous, merging original data files acquired by node type seismograph acquisition stations with different numbers;
if the sampling time is discontinuous, checking whether original data files acquired by the node type seismograph acquisition stations with different numbers have repeated channel addresses, if so, throwing out the abnormity and withdrawing if not, and judging whether original data with overlapped sampling time periods exist in the original data files acquired by the node type seismograph acquisition stations with different numbers; if the overlapped sampling time periods exist, merging the original data files according to the overlapped sampling time periods, otherwise throwing the exception and exiting.
2. The system of claim 1, wherein: the system also comprises an overhaul module (30) which is used for detecting and correcting error information in the information recorded by the data frames of the original data files acquired by the node type seismograph acquisition stations with different numbers;
the maintenance module (30) comprises a detection unit (31) and a correction module (32);
the detection unit (31) is used for detecting whether the information recorded by the data frame of the original data file acquired by the node type seismograph acquisition stations with different numbers is wrong;
the correcting unit (32) is used for correcting the wrong information when the information recorded in the data frame has errors.
3. The system of claim 1, wherein: also includes a file format conversion module (40);
the file format conversion module (40) is used for converting original data file formats acquired by the node type seismograph acquisition stations with different numbers into preset data file formats.
4. The system of claim 1, wherein: the file display analysis module (50) is further included, and the file display analysis module (50) comprises a display unit (51) and an analysis unit (52);
the display unit (51) is used for displaying data and/or sampling information in data files acquired by the node type seismograph acquisition stations with different numbers in a graph form;
the analysis unit (52) is used for analyzing the data in the chart and/or the sampling information.
5. A node type seismograph data file management method is characterized by comprising the following steps:
analyzing sampling information from an original data file acquired by a node-type seismograph according to a predefined data frame format, wherein the sampling information comprises a sampling rate, sampling starting time, sampling ending time, a node-type seismograph acquisition station number, a node-type seismograph acquisition station GPS time clock signal and GPS position information;
merging data files acquired by node type seismograph acquisition stations with different numbers according to sampling information, and specifically comprising the following steps:
judging whether the sampling rates in the original data files collected by the node type seismograph collection stations with different numbers are the same or not,
if the sampling time of the original data files is the same, arranging the sampling time of the original data files acquired by the node type seismograph acquisition stations with different numbers from small to large, and judging whether the sampling start time and the sampling end time after the arrangement are continuous or not;
if the data files are continuous, merging original data files acquired by the node type seismograph acquisition stations with different numbers;
if the data file is discontinuous, checking whether the original data file acquired by the node type seismograph acquisition stations with different numbers has repeated initial channel addresses;
if the repeated initial channel addresses do not exist, judging whether original data with the same sampling time exist in original data files acquired by node type seismograph acquisition stations with different numbers;
and if the original data files have the same sampling time, merging the original data files with the same sampling time.
6. The method of claim 5, wherein the method further comprises:
detecting and correcting error information in information recorded by data frames in original data files acquired by node type seismograph acquisition stations with different numbers;
the method for detecting and correcting error information in information recorded by data frames in original data files acquired by node type seismograph acquisition stations with different numbers specifically comprises the following steps:
judging whether the frame counting is continuous or not according to the frame counting information in the original data file data frames acquired by the node seismograph;
if the data is discontinuous, determining that the original data file acquired by the node seismograph has data frame loss, and throwing out data frame loss information;
judging whether a GPS time clock signal of an original data file acquired by a node type seismograph is continuous or not;
if not, determining that the GPS time clock signal is in error and performing calculation according to the frame count in the data frame of the original data file to correct the error GPS time clock signal.
7. The method of claim 5, wherein the method further comprises: and converting the original data file format acquired by the node type seismograph acquisition stations with different numbers into a preset data file format.
8. The method of claim 5, wherein the method further comprises: displaying and analyzing original data acquired by node type seismograph acquisition stations with different numbers;
the method specifically comprises the following steps of displaying and analyzing original data acquired by node type seismograph acquisition stations with different numbers:
displaying data and/or sampling information in original data files acquired by node type seismograph acquisition stations with different numbers in a chart form;
and analyzing the data in the chart and/or the sampling information.
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| CN107979647B (en) * | 2017-12-07 | 2020-10-23 | 合肥国为电子有限公司 | Data recovery method for realizing cable-free storage type seismograph |
| CN109143342B (en) * | 2018-08-23 | 2020-03-24 | 成都爱为贝思科技有限公司 | Seismic exploration wireless acquisition data fusion method |
| CN111368501B (en) * | 2018-12-26 | 2023-09-26 | 中国石油天然气集团有限公司 | Seismic auxiliary data flow processing system |
| CN110907986B (en) * | 2019-11-11 | 2022-07-19 | 湖南奥成科技有限公司 | Method and device for acquiring seismic data |
| CN113138679A (en) * | 2021-04-01 | 2021-07-20 | 出门问问信息科技有限公司 | Processing method and device for six-axis sensing signals |
| CN117370751B (en) * | 2023-09-13 | 2024-03-19 | 浙江天禹信息科技有限公司 | Cross-validation hydrologic data elasticity monitoring method and system |
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