CN113534242A - Microseism observation data acquisition method, device, equipment and storage medium - Google Patents

Microseism observation data acquisition method, device, equipment and storage medium Download PDF

Info

Publication number
CN113534242A
CN113534242A CN202110799408.XA CN202110799408A CN113534242A CN 113534242 A CN113534242 A CN 113534242A CN 202110799408 A CN202110799408 A CN 202110799408A CN 113534242 A CN113534242 A CN 113534242A
Authority
CN
China
Prior art keywords
time
target
observation data
observation
microseism
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110799408.XA
Other languages
Chinese (zh)
Inventor
王伟巍
杨胜雄
邓雨恬
陶军
黄建宇
赵庆献
郝小柱
王明
董广
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Marine Geological Survey
Southern Marine Science and Engineering Guangdong Laboratory Guangzhou
Original Assignee
Guangzhou Marine Geological Survey
Southern Marine Science and Engineering Guangdong Laboratory Guangzhou
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Marine Geological Survey, Southern Marine Science and Engineering Guangdong Laboratory Guangzhou filed Critical Guangzhou Marine Geological Survey
Priority to CN202110799408.XA priority Critical patent/CN113534242A/en
Publication of CN113534242A publication Critical patent/CN113534242A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/28Processing seismic data, e.g. analysis, for interpretation, for correction
    • G01V1/288Event detection in seismic signals, e.g. microseismics
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/28Processing seismic data, e.g. analysis, for interpretation, for correction
    • G01V1/36Effecting static or dynamic corrections on records, e.g. correcting spread; Correlating seismic signals; Eliminating effects of unwanted energy
    • G01V1/362Effecting static or dynamic corrections; Stacking
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/38Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas
    • G01V1/3817Positioning of seismic devices
    • G01V1/3835Positioning of seismic devices measuring position, e.g. by GPS or acoustically

Abstract

The application provides a method, a device, equipment and a storage medium for acquiring microseism observation data, which are applied to microseism observation equipment, wherein the acquisition method comprises the following steps: acquiring system clock information of the microseism observation equipment; synchronizing system clock information to GPS time to obtain system synchronization time of the microseism observation equipment; at the first target moment of the system synchronization time, starting to acquire micro-seismic observation data until the second target moment of the system synchronization time to obtain target observation data comprising the first target moment and the second target moment; and packaging the target observation data into a preset database. This embodiment guarantees equipment time synchronization for can guarantee continuity and stability under long period work still, reduce the system time error, guarantee the real-time transmission and the monitoring of microseism observation data.

Description

Microseism observation data acquisition method, device, equipment and storage medium
Technical Field
The application relates to the technical field of computers, in particular to a method, a device, equipment and a storage medium for acquiring microseism observation data.
Background
The micro-seismic phenomenon caused by the cold spring eruption of the deep sea bottom is a fluid movement phenomenon that fluid rich in hydrocarbons, hydrogen sulfide or sediments in deep stratum moves upwards along the structural moving parts such as fault and the like, breaks through the submarine sedimentary cover layer, is sprayed into the sea water, and forms special geologic bodies such as mud volcano or pit on the sea bottom. The formation and distribution of deep sea bottom cold springs are closely related to the decomposition and formation of natural gas hydrates or the rising of natural gas and petroleum under the sea along geological weak zones, so that the deep oil and gas exploration is indicated, and meanwhile, the deep sea bottom cold springs are one of the most effective marks for indicating the development of modern sea bottoms or the existence of natural gas hydrates.
At present, a submarine cold spring micro-seismic observation system is developed to observe micro-seismic data aiming at the phase change of 'solid-liquid-vapor' of deep substances of a cold spring and stratum geological activities caused by the movement and impact of fluid substances of the cold spring. However, the ocean bottom cold spring micro-seismic observation system needs long-period and real-time acquisition for more than 6 months, and has higher requirements on the continuity and stability of equipment and the real-time transmission and monitoring of micro-seismic observation data.
Disclosure of Invention
An object of the embodiments of the present application is to provide a method, an apparatus, a device and a storage medium for acquiring microseismic observation data, which aim to solve the above-mentioned problems.
In a first aspect, an embodiment of the present application provides a method for acquiring microseism observation data, which is applied to microseism observation equipment, and the acquisition method includes:
acquiring system clock information of the microseism observation equipment;
synchronizing system clock information to GPS time to obtain system synchronization time of the microseism observation equipment;
at the first target moment of the system synchronization time, starting to acquire micro-seismic observation data until the second target moment of the system synchronization time to obtain target observation data comprising the first target moment and the second target moment;
and packaging the target observation data into a preset database.
In the embodiment, the system synchronization time of the micro-seismic observation equipment is obtained by synchronizing the system clock of the micro-seismic observation equipment to the GPS time, so that the equipment time synchronization is ensured, and the continuity and the stability can be still ensured under the long-period work; at the first target moment of the system synchronization time, micro-seismic observation data are collected until the second target moment of the system synchronization time, target observation data containing the first target moment and the second target moment are obtained, and the target observation data are packed into a preset database, so that the micro-seismic observation data are collected through time synchronization equipment, the system time error is reduced, and the real-time transmission and monitoring of the micro-seismic observation data are guaranteed.
In one embodiment, at a first target time of system synchronization time, starting to acquire micro-seismic observation data until a second target time of the system synchronization time, and obtaining target observation data including the first target time and the second target time, includes:
at the first target moment, acquiring microseism observation data according to a preset sampling rate and sampling gain;
if the second target moment is a preset moment, stopping collecting the microseism observation data when the system synchronization time reaches the preset moment to obtain target observation data containing the first target moment and the preset moment;
and if the second target moment is the real-time moment at which the preset forced stopping event triggers the micro-seismic observation equipment to stop acquiring the micro-seismic observation data, obtaining the target observation data comprising the first target moment and the real-time moment.
In the embodiment, the start acquisition time and the stop acquisition time are recorded so as to facilitate the subsequent time correction.
In an embodiment, at a first target time of system synchronization time, starting to acquire micro-seismic observation data until a second target time of the system synchronization time, and before obtaining target observation data including the first target time and the second target time, the method further includes:
respectively acquiring microseism observation data based on a plurality of preset sampling configuration information to obtain real-time observation data corresponding to each sampling configuration information, wherein the sampling configuration information comprises a sampling rate and a sampling gain;
determining whether the plurality of real-time observation data meet preset working conditions;
and if the plurality of real-time observation data meet the preset working conditions, starting to acquire the micro-seismic observation data at the first target time of the system synchronization time until the second target time of the system synchronization time, and obtaining target observation data comprising the first target time and the second target time.
In this embodiment, whether the real-time observation data meets the working condition is determined before the target observation data is collected, so that the data collected subsequently by the device is ensured to be normal and effective.
In an embodiment, before packing the target observation data into the preset database, the method further includes:
determining a time error between system clock information and GPS time;
and correcting the acquisition time of the target observation data in the preset database according to the time error, the first target moment and the second target moment to obtain the target observation data after time correction.
In the embodiment, secondary time service is realized through time correction, and the continuity and stability of data collected by the equipment are further improved.
In an embodiment, after packing the target observation data into the preset database, the method includes:
and transferring the target observation data to target equipment according to a header file corresponding to the target observation data in a preset database, wherein the target equipment is in communication connection with the microseism observation equipment, and the header file comprises GPS time, a first target time, a second target time and a time error between system clock information and the GPS time.
In the embodiment, the target observation data after time correction is subjected to data extraction, so that the target observation data can be further processed.
In one embodiment, before obtaining the system clock information of the microseismic observation device, the method further comprises:
reading working state information and system state information of the microseism observation equipment, wherein the working state information comprises a standby state, a time synchronization state and a data state;
and initializing the state of the microseism observation equipment according to the working state information and the system state information.
In this embodiment, the data acquisition accuracy of the device is ensured by initializing the working state and the system state.
In a second aspect, an embodiment of the present application provides an acquisition apparatus for microseism observation data, which is applied to microseism observation equipment, and the acquisition apparatus includes:
the acquisition module is used for acquiring system clock information of the microseism observation equipment;
the synchronization module is used for synchronizing the system clock information to the GPS time to obtain the system synchronization time of the microseism observation equipment;
the acquisition module is used for starting to acquire the microseism observation data at a first target moment of system synchronization time until a second target moment of the system synchronization time to obtain target observation data comprising the first target moment and the second target moment;
and the storage module is used for packaging the target observation data into a preset database.
In one embodiment, the acquisition device further comprises:
the determining module is used for determining a time error between the system clock information and the GPS time;
and the correcting module is used for correcting the acquisition time of the target observation data in the preset database according to the time error, the first target time and the second target time to obtain the target observation data after time correction.
In a third aspect, an embodiment of the present application provides a computer device, including a memory and a processor, where the memory is used to store a computer program, and the processor runs the computer program to make the computer device execute the method for acquiring microseismic observation data in any one of the above first aspects.
In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium, which stores a computer program, and the computer program, when executed by a processor, implements the method for acquiring microseismic observation data of any one of the above first aspects.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
FIG. 1 is a schematic flow chart of a method for acquiring microseismic observation data according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural diagram of a microseismic observation data acquisition device provided in the embodiment of the present application;
fig. 3 is a schematic structural diagram of a computer device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
As described in the related art, the submarine cold spring micro-seismic observation system needs long-period and real-time acquisition for more than 6 months, and higher requirements are provided for the continuity and stability of equipment and the real-time transmission and monitoring of micro-seismic observation data. Therefore, the problem that continuity and stability cannot be guaranteed in the current micro-seismic observation data acquisition process is solved.
In order to solve the problems in the prior art, the application provides a method for acquiring microseism observation data, which is characterized in that the system synchronization time of microseism observation equipment is obtained by synchronizing the system clock of the microseism observation equipment to the GPS time, so that the time synchronization of the equipment is ensured, and the continuity and the stability can be still ensured under the long-period work; at the first target moment of the system synchronization time, micro-seismic observation data are collected until the second target moment of the system synchronization time, target observation data containing the first target moment and the second target moment are obtained, and the target observation data are packed into a preset database, so that the micro-seismic observation data are collected through time synchronization equipment, the system time error is reduced, and the real-time transmission and monitoring of the micro-seismic observation data are guaranteed.
Referring to fig. 1, fig. 1 is a flowchart illustrating an implementation of a method for acquiring microseismic observation data according to an embodiment of the present application. The method for acquiring the microseism observation data can be applied to microseism observation equipment, and the microseism observation equipment is computer equipment with a data processing function. The microseism observation data method of the embodiment of the application comprises the following steps of S101 to S104, wherein the following steps are detailed:
and S101, acquiring system clock information of the microseism observation equipment.
In the step, a high-precision atomic clock is arranged in the microseism observation equipment, and system clock information is obtained through the atomic clock.
And S102, synchronizing the system clock information to the GPS time to obtain the system synchronization time of the microseism observation equipment.
In the step, the GPS time is the time of the GPS time system, the GPS time system uses atomic time AT1 sec as a time reference, the sec length is defined as the time duration of transition radiation oscillation 9192631170 weeks between two hyperfine energy levels of the CS133 ground state of cesium atoms, and the origin of time calculation is defined as UTC0 AT world coordination time 1, 6 days in 1980, and does not jump seconds after startup, thereby ensuring the continuity of time.
Optionally, the internal clock is an atomic clock, the external time service system adopts a Beidou/GPS high-precision time service system, and the current time of the system clock is synchronized to be the current GPS time. Ensuring that the clock error does not exceed 1 sampling (4ms) time interval within the observation period of 6 months; in the embodiment, GPS time is used as a correction reference, so that the continuity of a system clock can be ensured, and the continuity and the accuracy of the microseism observation equipment in the data acquisition process are further ensured.
Step S103, at the first target of the system synchronization time, collecting microseism observation data till the second target of the system synchronization time to obtain target observation data comprising the first target time and the second target time.
In the step, the acquisition of the microseism observation data is realized through an acquisition circuit of the microseism observation equipment. And after the system clock is synchronized with the GPS time, acquiring microseism observation data corresponding to a time period between the first target time and the second target time, and ensuring the real-time property of the data acquisition process.
Optionally, the acquisition circuit is internally provided with a 20AH internal UPS power supply, which is used for normal operation of the instrument under the condition of external power supply abnormality or power failure, and ensures that the working time exceeds 3 days.
And step S104, packaging the target observation data into a preset database.
In this embodiment, the target observation data is packaged into data according to a preset protocol format and then stored. Optionally, in order to reduce the difference in storage time caused by disk performance, a multi-level cache system is used to implement asynchronous data storage and forwarding operations. The data storage format may refer to a 6-way data format, and the data packet includes a header, a time of the storage point, a packet length, and the like.
Illustratively, after a hardware circuit part of the microseism observation equipment is started, software completes self-checking of each hardware part, sets acquisition parameters, and synchronizes clock to clock, and after a master control system obtains normal functions of each part and successful feedback of the setting of the acquisition parameters, a collection mode is started to formally acquire data, data redundancy errors are detected in real time, and then the data redundancy errors are recorded on a storage medium. The software can access the upper computer in real time, has set up the data management function, can provide the real-time monitoring of the data acquisition in gathering the project, store the functions such as checking and downloading of the online of the data, etc. After the data acquisition is finished, clock error can be eliminated by performing secondary clock matching, and processable target observation data can be output.
The implementation obtains the system synchronization time of the micro-seismic observation equipment by synchronizing the system clock of the micro-seismic observation equipment to the GPS time, thereby ensuring the time synchronization of the equipment and ensuring the continuity and stability under long-period work; at the first target moment of the system synchronization time, micro-seismic observation data are collected until the second target moment of the system synchronization time, target observation data containing the first target moment and the second target moment are obtained, and the target observation data are packed into a preset database, so that the micro-seismic observation data are collected through time synchronization equipment, the system time error is reduced, and the real-time transmission and monitoring of the micro-seismic observation data are guaranteed.
In an embodiment, on the basis of the embodiment in fig. 1, the step S103 specifically includes:
at the first target moment, acquiring microseism observation data according to a preset sampling rate and sampling gain;
if the second target moment is a preset moment, stopping collecting the microseism observation data when the system synchronization time reaches the preset moment to obtain target observation data containing the first target moment and the preset moment;
and if the second target moment is the real-time moment at which the preset forced stopping event triggers the micro-seismic observation equipment to stop acquiring the micro-seismic observation data, obtaining the target observation data comprising the first target moment and the real-time moment.
In the present embodiment, microseismic observation data is initially acquired according to a preset sampling rate, sampling gain and start time. It can be understood that the start time (first target time) is synchronized with the GPS time, so that any time can be set to start the acquisition. Optionally, the microseism observation device may stop collecting data at a preset time, or may stop collecting data at a preset forced stop event, where the preset forced stop event may be an event such as low battery, low pressure, full storage space, or the like. Furthermore, if the micro-seismic observation equipment is hung with a release system, stopping acquisition does not affect the release system, and acquisition and release are independent working systems.
In an embodiment, at a first target time of system synchronization time, starting to acquire micro-seismic observation data until a second target time of the system synchronization time, and before obtaining target observation data including the first target time and the second target time, the method further includes:
respectively acquiring microseism observation data based on a plurality of preset sampling configuration information to obtain real-time observation data corresponding to each sampling configuration information, wherein the sampling configuration information comprises a sampling rate and a sampling gain;
determining whether the plurality of real-time observation data meet preset working conditions;
and if the plurality of real-time observation data meet the preset working conditions, starting to acquire the micro-seismic observation data at the first target time of the system synchronization time until the second target time of the system synchronization time, and obtaining target observation data comprising the first target time and the second target time.
In the embodiment, before the target observation data is formally acquired, whether the acquisition function of the micro-seismic observation equipment is normal is detected through real-time data pushing, the real-time data is mainly used for data self-inspection in system self-inspection, different sampling rates and sampling gains can be configured, the acquired data is visually displayed, whether the acquisition part works normally is detected, and abnormal work is avoided. Optionally, this process data is not stored.
Optionally, the system self-test further comprises: and reporting a working state and a system state, wherein the working state comprises a standby state, a time service state and a data state, and the system state comprises an engineering name, a station name, the number of acquisition channels, a sampling rate, a sampling gain, a disk space, a battery voltage, a working bin pressure and a data port state.
Illustratively, when the battery voltage is lower than 12V, an alarm is given; when the pressure of the working bin is higher than 65Kpa, alarming; when the data port is short-circuited, overvoltage or undervoltage, an alarm is given. In addition, whether the system plug-in equipment is normal or not is detected, such as a beacon light, a strobe light, a positioning system, a release system and the like.
In an embodiment, before packing the target observation data into the preset database, the method further includes:
determining a time error between system clock information and GPS time;
and correcting the acquisition time of the target observation data in the preset database according to the time error, the first target moment and the second target moment to obtain the target observation data after time correction.
In this embodiment, the system clock is subjected to secondary time service to reduce the time error influence caused by other factors in the acquisition process. It can be understood that, in the secondary time service process, the system clock information and the GPS time include the current time and the time information in the primary time service process. Optionally, based on a calculation formula: e ═ T21-T11)-(T22-T12) Determining a time error, where E is the time error, T21System clock information corresponding to secondary time service, T11System clock information corresponding to a time service, T22GPS time, T, corresponding to the secondary time service12The GPS time is corresponding to one time service.
Optionally, the acquisition time of the target observation data is compensated or corrected based on the time error to obtain time-corrected target observation data. According to the embodiment, secondary time service is realized through time correction, and the continuity and stability of data acquired by the equipment are further improved.
In an embodiment, after packing the target observation data into the preset database, the method includes:
and transferring the target observation data to target equipment according to a header file corresponding to the target observation data in a preset database, wherein the target equipment is in communication connection with the microseism observation equipment, and the header file comprises GPS time, a first target time, a second target time and a time error between system clock information and the GPS time.
In this embodiment, the microseism observation device enters a data extraction state, and when the device is connected to a network, the device automatically enters a corresponding working state according to the working state, for example, when data is not extracted, and after the network is connected, the upper computer enters a data extraction interface.
The header file is a header file in a data packet after the target observation data is packed based on a preset protocol format. Before data extraction, relevant parameters of the acquisition process are extracted, wherein the relevant parameters include but are not limited to acquisition channel number, sampling rate, sampling gain, GPS time, system time, errors of the GPS and the system time, the number of sampling data packets, data size and the like. The system extracts and transfers the collected data to other computer equipment or other magnetic disks according to the relevant parameters provided by the header file. Alternatively, the data is stored in the acquisition system (microseismic observation device) and can be extracted at any time, and the data is not cleared until being formatted before the acquisition is started next time.
Optionally, the network may be an ethernet network, which is a main path of communication between the device and the outside, and includes setting of relevant parameters such as system self-check, external device test, time service control, data acquisition, and data extraction. Optionally, the network is normally in an off state to save power consumption, and the network is only activated and communication is established when the power supply (charging) system is externally connected.
The device is provided with a plurality of data ports, and the data ports comprise a data acquisition port, a self-checking port, an acquisition end power supply control port and a storage port. Optionally, the data port may be started in two states, 1) real-time data testing for verifying whether the acquisition system can work normally; 2) after the secondary time service or after the disk formatting, the system can acquire data according to preset starting time, stopping time, sampling rate and the like. The data acquisition port and the self-checking port belong to a digital-to-analog conversion port, and a data path is opened for acquisition during data acquisition; and (3) opening the analog-digital channel during self-checking, testing waveforms with different amplitudes and frequencies, and verifying the performance or working state. The acquisition end power supply control port is used for protecting a working device and avoiding the device damage caused by short circuit of a signal interface, undervoltage of a system power supply and overvoltage; and the storage port is used for storing target observation data, and caching and unloading data at a high sampling rate.
In one embodiment, before obtaining the system clock information of the microseismic observation device, the method further comprises:
reading working state information and system state information of the microseism observation equipment, wherein the working state information comprises a standby state, a time synchronization state and a data state;
and initializing the state of the microseism observation equipment according to the working state information and the system state information.
In the embodiment, the current working state is read, which includes a standby state, a time setting state (including a primary time setting and a secondary time setting), and a data state (data end extraction, abnormal operation data recovery). Wherein, the standby state is that the system is in the standby state, and all items can be operated according to the steps. The time setting state is a synchronous state with the GPS time, and all items (such as disk formatting, data acquisition and secondary time setting) can be operated after time setting; the data state comprises data not extracted and data to be recovered, when the data is not extracted, the data is prompted to be not downloaded to a PC or other disks except the equipment system, the data can be stored in the system disk until being formatted, and repeated extraction is achieved. Data recovery failure, such as power exhaustion and secondary time service loss, is caused by abnormal operation of the data to be recovered. The system state described above. Including project name, station name, number of acquisition channels, sampling rate, sampling gain, disk space, battery voltage, working bin pressure, and data port status.
Illustratively, a system clock is initialized, and the working frequency is configured at a multiple of 2 according to the peripheral high-precision crystal oscillation frequency, so that the accumulated error caused by non-integer frequency is avoided; initializing a peripheral, configuring the signal input and output direction of a control interface, and configuring standard peripherals RS232, SPI or SDIO; initializing a counter, configuring the working step length and clock frequency of the counter, and avoiding counting accumulation errors caused by non-integer frequency; and (3) interrupt initialization: the working priority of the equipment system is reasonably arranged and divided into three levels of high, medium and low, for example, the time calibration of GPS time service is defined as high priority, data reading and storing and the like are defined as medium priority, and the communication of peripheral equipment such as RS232 and the like is defined as low priority.
In order to implement the method corresponding to the above method embodiment to achieve the corresponding function and technical effect, the following provides an acquisition device for microseismic observation data. Referring to fig. 2, fig. 2 is a block diagram of a structure of a microseismic observation data acquisition device according to an embodiment of the present application. For convenience of explanation, only the part related to the present embodiment is shown, and the micro-seismic observation data acquisition apparatus provided in the embodiment of the present application includes:
an obtaining module 201, configured to obtain system clock information of a microseism observation device;
the synchronization module 202 is configured to synchronize system clock information to GPS time to obtain system synchronization time of the microseism observation device;
the acquisition module 203 is configured to start acquiring microseism observation data at a first target time of system synchronization time until a second target time of the system synchronization time to obtain target observation data including the first target time and the second target time;
the storage module 204 is configured to package the target observation data into a preset database.
In one embodiment, the acquisition module 203 includes:
the device comprises a starting acquisition unit, a processing unit and a control unit, wherein the starting acquisition unit is used for starting to acquire microseism observation data according to a preset sampling rate and sampling gain at the first target moment;
the first acquisition stopping unit is used for stopping acquiring the microseism observation data when the system synchronization time reaches the preset time if the second target time is the preset time, so as to obtain target observation data containing the first target time and the preset time;
and the second acquisition stopping unit is used for obtaining target observation data comprising the first target time and the real-time if the second target time is the real-time when the preset forced stopping event triggers the micro-seismic observation equipment to stop acquiring the micro-seismic observation data.
In an embodiment, the acquisition module 203 is further configured to acquire microseism observation data respectively based on multiple preset sampling configuration information to obtain real-time observation data corresponding to each sampling configuration information, where the sampling configuration information includes a sampling rate and a sampling gain;
the collection system further comprises:
the determining module is used for determining whether the plurality of real-time observation data meet preset working conditions or not;
and the execution module is used for executing the step of starting to acquire the microseism observation data at the first target moment of the system synchronization time until the second target moment of the system synchronization time to obtain the target observation data comprising the first target moment and the second target moment if the plurality of real-time observation data meet the preset working conditions.
In one embodiment, the acquisition device further comprises:
the determining module is used for determining a time error between the system clock information and the GPS time;
and the correcting module is used for correcting the acquisition time of the target observation data in the preset database according to the time error, the first target time and the second target time to obtain the target observation data after time correction.
In one embodiment, the acquisition device further comprises:
and the transfer module is used for transferring the target observation data to target equipment according to a header file corresponding to the target observation data in a preset database, the target equipment is in communication connection with the microseism observation equipment, and the header file comprises GPS time, first target time, second target time and time error between system clock information and the GPS time.
In one embodiment, the acquisition device further comprises:
the reading module is used for reading the working state information and the system state information of the microseism observation equipment, wherein the working state information comprises a standby state, a time synchronization state and a data state;
and the initialization module is used for initializing the state of the microseism observation equipment according to the working state information and the system state information.
The micro-seismic observation data acquisition device can implement the micro-seismic observation data acquisition method of the method embodiment. The alternatives in the above-described method embodiments are also applicable to this embodiment and will not be described in detail here. The rest of the embodiments of the present application may refer to the contents of the above method embodiments, and in this embodiment, details are not described again.
Fig. 3 is a schematic structural diagram of a computer device according to an embodiment of the present application. As shown in fig. 3, the computer device 3 of this embodiment includes: at least one processor 30 (only one shown in fig. 3), a memory 31, and a computer program 32 stored in the memory 31 and executable on the at least one processor 30, the processor 30 implementing the steps of any of the above-described method embodiments when executing the computer program 32.
The computer device 3 may be a tablet computer, a desktop computer, a cloud server, or other computing device. The computer device may include, but is not limited to, a processor 30, a memory 31. Those skilled in the art will appreciate that fig. 3 is merely an example of the computer device 3, and does not constitute a limitation of the computer device 3, and may include more or less components than those shown, or combine some of the components, or different components, such as input output devices, network access devices, etc.
The Processor 30 may be a Central Processing Unit (CPU), and the Processor 30 may be other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 31 may in some embodiments be an internal storage unit of the computer device 3, such as a hard disk or a memory of the computer device 3. The memory 31 may also be an external storage device of the computer device 3 in other embodiments, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, which are provided on the computer device 3. Further, the memory 31 may also include both an internal storage unit and an external storage device of the computer device 3. The memory 31 is used for storing an operating system, an application program, a BootLoader (BootLoader), data, and other programs, such as program codes of the computer program. The memory 31 may also be used to temporarily store data that has been output or is to be output.
In addition, an embodiment of the present application further provides a computer-readable storage medium, where a computer program is stored, and when the computer program is executed by a processor, the computer program implements the steps in any of the method embodiments described above.
The embodiments of the present application provide a computer program product, which when executed on a computer device, enables the computer device to implement the steps in the above method embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims (10)

1. A method for acquiring microseism observation data is applied to microseism observation equipment and comprises the following steps:
acquiring system clock information of the microseism observation equipment;
synchronizing the system clock information to GPS time to obtain the system synchronization time of the microseism observation equipment;
at the first target moment of the system synchronization time, starting to acquire micro-seismic observation data until the second target moment of the system synchronization time to obtain target observation data containing the first target moment and the second target moment;
and packaging the target observation data into a preset database.
2. The method of claim 1, wherein the step of starting to acquire microseismic observation data at a first target time of the system synchronization time and reaching a second target time of the system synchronization time to obtain target observation data including the first target time and the second target time comprises:
at the first target moment, starting to acquire the microseism observation data according to a preset sampling rate and a preset sampling gain;
if the second target moment is a preset moment, stopping collecting the microseism observation data when the system synchronization time reaches the preset moment to obtain the target observation data comprising the first target moment and the preset moment;
and if the second target moment is a real-time moment at which a preset forced stop event triggers the micro-seismic observation device to stop acquiring the micro-seismic observation data, obtaining the target observation data including the first target moment and the real-time moment.
3. The method of claim 1, wherein the step of starting to acquire microseismic observation data at a first target time of the system synchronization time and starting to acquire microseismic observation data at a second target time of the system synchronization time, before the step of obtaining target observation data including the first target time and the second target time, further comprises:
respectively acquiring microseism observation data based on a plurality of preset sampling configuration information to obtain real-time observation data corresponding to each sampling configuration information, wherein the sampling configuration information comprises a sampling rate and a sampling gain;
determining whether the plurality of real-time observation data meet preset working conditions;
and if the real-time observation data meet the preset working conditions, starting to acquire micro-seismic observation data at the first target time of the system synchronization time till the second target time of the system synchronization time to obtain target observation data comprising the first target time and the second target time.
4. The method for acquiring microseismic observation data according to claim 1, wherein before the step of packaging the target observation data into a preset database, the method further comprises:
determining a time error between the system clock information and the GPS time;
and correcting the acquisition time of the target observation data in the preset database according to the time error, the first target time and the second target time to obtain the target observation data after time correction.
5. The method for acquiring microseismic observation data according to claim 4, wherein the step of packing the target observation data into a preset database comprises the following steps:
and transferring the target observation data to target equipment according to a header file corresponding to the target observation data in the preset database, wherein the target equipment is in communication connection with the microseism observation equipment, and the header file comprises the GPS time, the first target time and the second target time, and a time error between the system clock information and the GPS time.
6. The method of acquiring microseismic observation data according to claim 1 wherein before the acquiring system clock information of the microseismic observation device, the method further comprises:
reading working state information and system state information of the microseism observation equipment, wherein the working state information comprises a standby state, a time synchronization state and a data state;
and initializing the state of the microseism observation equipment according to the working state information and the system state information.
7. The utility model provides an acquisition device of micro-seismic observation data which is applied to micro-seismic observation equipment, acquisition device includes:
the acquisition module is used for acquiring system clock information of the microseism observation equipment;
the synchronization module is used for synchronizing the system clock information to GPS time to obtain the system synchronization time of the microseism observation equipment;
the acquisition module is used for starting to acquire microseism observation data at a first target moment of the system synchronization time until a second target moment of the system synchronization time to obtain target observation data comprising the first target moment and the second target moment;
and the storage module is used for packaging the target observation data into a preset database.
8. The microseismic observation data collection device of claim 7 wherein the collection device further comprises:
a determining module for determining a time error between the system clock information and the GPS time;
and the correcting module is used for correcting the acquisition time of the target observation data in the preset database according to the time error, the first target time and the second target time to obtain the target observation data after time correction.
9. A computer device comprising a memory for storing a computer program and a processor for executing the computer program to cause the computer device to perform the method of acquiring microseismic observation data according to any one of claims 1 to 6.
10. A computer-readable storage medium, characterized in that it stores a computer program which, when executed by a processor, implements the method of acquiring microseismic observation data according to any one of claims 1 to 6.
CN202110799408.XA 2021-07-15 2021-07-15 Microseism observation data acquisition method, device, equipment and storage medium Pending CN113534242A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110799408.XA CN113534242A (en) 2021-07-15 2021-07-15 Microseism observation data acquisition method, device, equipment and storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110799408.XA CN113534242A (en) 2021-07-15 2021-07-15 Microseism observation data acquisition method, device, equipment and storage medium

Publications (1)

Publication Number Publication Date
CN113534242A true CN113534242A (en) 2021-10-22

Family

ID=78099365

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110799408.XA Pending CN113534242A (en) 2021-07-15 2021-07-15 Microseism observation data acquisition method, device, equipment and storage medium

Country Status (1)

Country Link
CN (1) CN113534242A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117872474A (en) * 2024-03-12 2024-04-12 山东省地震局 Seismic early warning station network waveform data quality analysis method and system
CN117872474B (en) * 2024-03-12 2024-05-17 山东省地震局 Seismic early warning station network waveform data quality analysis method and system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100017139A1 (en) * 2007-09-21 2010-01-21 Geospace Technologies, Lp Low-power satellite-timed seismic data acquisition system
CN102183785A (en) * 2011-03-01 2011-09-14 吉林大学 Multi-redundant synchronous data acquiring device and method of non-cable seismograph
KR101768392B1 (en) * 2016-09-27 2017-08-16 (주) 소암컨설턴트 Microearthquake measuring system and method improved the accuracy of time synchronization
CN107167839A (en) * 2017-06-05 2017-09-15 王伟巍 A kind of IMF OBS multi-channel data acquisition application systems
CN107462921A (en) * 2017-04-05 2017-12-12 中国科学院地质与地球物理研究所 A kind of docking system and data extraction method based on combined type sea bottom earthquake-capturing node
CN112444884A (en) * 2020-11-30 2021-03-05 自然资源部第一海洋研究所 Double-clock ocean bottom seismograph data acquisition device and method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100017139A1 (en) * 2007-09-21 2010-01-21 Geospace Technologies, Lp Low-power satellite-timed seismic data acquisition system
CN102183785A (en) * 2011-03-01 2011-09-14 吉林大学 Multi-redundant synchronous data acquiring device and method of non-cable seismograph
KR101768392B1 (en) * 2016-09-27 2017-08-16 (주) 소암컨설턴트 Microearthquake measuring system and method improved the accuracy of time synchronization
CN107462921A (en) * 2017-04-05 2017-12-12 中国科学院地质与地球物理研究所 A kind of docking system and data extraction method based on combined type sea bottom earthquake-capturing node
CN107167839A (en) * 2017-06-05 2017-09-15 王伟巍 A kind of IMF OBS multi-channel data acquisition application systems
CN112444884A (en) * 2020-11-30 2021-03-05 自然资源部第一海洋研究所 Double-clock ocean bottom seismograph data acquisition device and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117872474A (en) * 2024-03-12 2024-04-12 山东省地震局 Seismic early warning station network waveform data quality analysis method and system
CN117872474B (en) * 2024-03-12 2024-05-17 山东省地震局 Seismic early warning station network waveform data quality analysis method and system

Similar Documents

Publication Publication Date Title
US11853269B2 (en) Systems and methods for increasing database access concurrency
US10720168B2 (en) PPS tagging of acoustic sample data
CN106774635B (en) A kind of triple redundance computer synchronous method
CN202008583U (en) Clock source of synchronous phasor measuring device
US8554727B2 (en) Method and system of tiered quiescing
EP2902940B1 (en) Storage system and method for processing data operation request
US20160033990A1 (en) Systems and Methods for Determining Absolute Time Corresponding to Relative Time-Stamped Events
CN106226724A (en) A kind of clock of power meter method for detecting abnormality
CN103941579B (en) A kind of moment for oceanographic instrumentation records and clock synchronizing method
CN103257857A (en) System for managing buffers of time-stamped events
CN100507596C (en) Ground GPS signal transmitter
CN113534242A (en) Microseism observation data acquisition method, device, equipment and storage medium
CN101860348B (en) Synchronous and in-time self-tracking self-compensation method
EP2856356A2 (en) Systems and methods of increasing database access concurrency using granular timestamps
CN102931969B (en) Data extracting method and data extracting device
CN106774397A (en) A kind of four redundance flight control systems computer synchronous method
CN102693143B (en) Method and device for installing patch
CN109388617A (en) A kind of determination method and device of document time stamp confidence level
Barton et al. RHIC control system
Paris A framework for non-intrusive load monitoring and diagnostics
CN105138428B (en) The fault recovery method relied on based on forerunner
CN106293992A (en) The synchronous method of a kind of real-time clock time and electronic equipment
CN116938380B (en) Time scale management method, device, computer equipment and time scale manager
CN105160113A (en) Efficient CDR verification model and method
US20140108856A1 (en) Real-Time Trigger Sequence Checker

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination