CN113328847B - Method and device for synchronizing transmitter and receiver by artificial source electromagnetic method - Google Patents
Method and device for synchronizing transmitter and receiver by artificial source electromagnetic method Download PDFInfo
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- CN113328847B CN113328847B CN202110692636.7A CN202110692636A CN113328847B CN 113328847 B CN113328847 B CN 113328847B CN 202110692636 A CN202110692636 A CN 202110692636A CN 113328847 B CN113328847 B CN 113328847B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0079—Receiver details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0091—Transmitter details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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Abstract
A method and a device for synchronizing a transmitter and a receiver by an artificial source electromagnetic method are disclosed, wherein the method comprises the following steps: the transmitter modulates the work instruction carrier on a current value, sends the current value to the underground through a transmitting electrode and is received by the electric field and magnetic field sensor; the receiver processes signals received by the electric field sensor and the magnetic field sensor and demodulates a working instruction sent by the transmitter; the transmitter and the receiver carry out time synchronization according to the task information, the transmitter transmits current according to the task information, and the receiver carries out signal receiving work according to the task information to execute the human exploration task. The synchronization method of the invention can carry out carrier communication through the signal transmitted by the transmitter, realize that the transmitter transmits communication data to the receiver, and complete the distribution and synchronization of data information such as time tables, operation time and the like. The scheme is favorable for realizing the autonomous interaction between the transmitter and the receiver, enhances the automation level in the operation process, reduces the workload of operators, reduces human errors and improves the operation efficiency and quality.
Description
Technical Field
The invention belongs to the technical field of electromagnetic prospecting, and particularly relates to a method and a device for synchronizing a transmitter and a receiver of an artificial source electromagnetic method.
Background
The introduction of the electromagnetic method in the prior art is one of geophysical methods, and is widely applied to exploration operations of geological structures, mineral oil and gas resources, geothermal heat and the like. The electromagnetic method is divided into a natural source mode and an artificial source mode, wherein when the artificial source electromagnetic method works, a transmitter and a receiver need to work simultaneously, time synchronization is strict, the transmitter and the receiver obey the same time schedule, current is synchronously transmitted and signals are received, and the work flow is completed.
At present, when the manual source electromagnetic method works, workers communicate with each other to confirm that the same schedule is used, then a transmitter and a receiver are started, the transmitter and the receiver do not interact with each other, the automatic coordination work cannot be realized, and the deep intervention of the workers is needed.
Disclosure of Invention
Objects of the invention
The invention aims to provide a method and a device for synchronizing a transmitter and a receiver of an artificial source electromagnetic method so as to solve the problem that the artificial source electromagnetic method in the prior art cannot automatically coordinate operation for exploration.
(II) technical scheme
To solve the above problems, a first aspect of the present invention provides a method for synchronizing a transmitter and a receiver of an artificial source electromagnetic method, including: the transmitter generates a work instruction based on the task information; the transmitter modulates the work instruction carrier wave on a current value, sends the current value to the underground through a transmitting electrode and is received by an electric field sensor and a magnetic field sensor of the receiver; the receiver processes signals received by the electric field sensor and the magnetic field sensor and demodulates a working instruction sent by the transmitter; and the transmitter and the receiver carry out time synchronization according to the task information, after the time synchronization is finished, the transmitter transmits current in a conventional artificial source mode according to the task information, and the receiver also carries out signal receiving work according to the task information and executes an artificial source electromagnetic exploration task.
Further, the synchronous operation of the transmitter and the receiver is achieved by transmitting and receiving carrier current signals to the formation, and the synchronous operation process is performed before the conventional artificial source electromagnetic exploration task is started.
Further, the task information includes: an operating schedule for providing the transmitter with a time to transmit a survey signal and for providing the receiver with a time to receive a survey signal; operational parameters for providing the transmitter with power and current data for transmitting survey signals.
Further, the transmitter respectively transmits exploration signals according to the working time and the corresponding operation parameters recorded in the working time table; and the receiver respectively controls the receiving sensor to receive the corresponding exploration signals according to the working time recorded in the working time table.
Further, the receiver superposes and processes the exploration signals received at the working time.
Further, the work order includes: a synchronization frame for evaluating transmission capabilities of the survey signal and the work order and synchronizing reception states; a data frame, the data frame comprising: work schedules and job parameters.
Further, the mission information is formulated and set to the transmitter by the operator according to the conditions of the territory being explored.
Furthermore, the transmitter modulates the work instruction into a current signal by adopting an FSK or PSK modulation mode, and characteristic parameters of the FSK and the PSK are set before a user task starts.
According to another aspect of the invention, there is provided a transmitter for artificial source electromagnetic prospecting comprising a memory, a processor and a computer program stored on said memory and executable on said processor, said processor when executing said program implementing the steps of the method according to any one of the preceding claims.
According to a further aspect of the invention, there is provided a receiver for artificial source electromagnetic surveying, comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor when executing the program implementing the steps of the method of any one of the above aspects.
(III) advantageous effects
The technical scheme of the invention has the following beneficial technical effects:
the method for synchronizing the transmitter and the receiver by the artificial source electromagnetic method can carry out carrier communication through the signal transmitted by the transmitter, realize that the transmitter transmits communication data to the receiver, and finish the distribution and synchronization of data information such as a time schedule, operation time and the like. The scheme for establishing the communication data link of the transmitter and the receiver is beneficial to realizing the autonomous interaction between the transmitter and the receiver, enhancing the automation level in the operation process, reducing the workload of operators, reducing human errors and improving the operation efficiency and quality.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the manual source electromagnetic prospecting of the prior art, operators communicate with each other to confirm that the same schedule is used, then a transmitter and a receiver are started, and the transmitter and the receiver have no interaction, cannot automatically coordinate operation and need deep intervention of the operators. The receiving sensors (probes and exploration signal receiving pins) are connected with the receiver and send the received exploration signals to the receiver. Since the transmitted survey signal interferes with the electronic device and the transmitter can only transmit signals to the receiving sensor in order to perform the survey, there is no interaction between the transmitter and the receiver.
In an embodiment of the present invention, a method for synchronizing a transmitter and a receiver of an artificial source electromagnetic method is provided, which may include: the transmitter generates a work instruction based on the task information; the transmitter modulates the work instruction carrier wave on a current value, sends the current value to the underground through a transmitting electrode and is received by an electric field sensor and a magnetic field sensor of the receiver; the receiver processes signals received by the electric field sensor and the magnetic field sensor and demodulates a working instruction sent by the transmitter; and the transmitter and the receiver carry out time synchronization according to the task information, after the time synchronization is finished, the transmitter transmits current in a conventional artificial source mode according to the task information, and the receiver also carries out signal receiving work according to the task information and executes an artificial source electromagnetic exploration task.
The method for synchronizing the transmitter and the receiver by the artificial source electromagnetic method can carry out carrier communication through the current signal transmitted by the transmitter, realize that the transmitter transmits communication data to the receiver (the transmitter transmits the signal to the receiving sensor and then the receiving sensor transmits the signal to the receiver), and finish the distribution and synchronization of data information such as a time table, operation time and the like. The scheme for establishing the communication data link of the transmitter and the receiver is beneficial to realizing the autonomous interaction between the transmitter and the receiver, enhancing the automation level in the operation process, reducing the workload of operators, reducing human errors and improving the operation efficiency and quality.
In an alternative embodiment, the synchronous operation of the transmitter and the receiver is achieved by transmitting and receiving a carrier current signal into the formation, the synchronous operation occurring prior to the start of a conventional manual source electromagnetic survey mission.
In an alternative embodiment, the receiving electric field and magnetic field sensor is connected to the receiver.
In an alternative embodiment, the receiving sensor transmits the received survey signal to the receiver.
In an alternative embodiment, the survey signals include: an electromagnetic signal.
In an alternative embodiment, the receiving sensor is an electrode type electric field sensor or a bar type magnetic induction magnetic field sensor for receiving the electromagnetic signal.
In an alternative embodiment, the work instructions may include: an operating schedule for providing the transmitter with a time to transmit a survey signal and for providing the receiver with a time to receive a survey signal.
In an alternative embodiment, the work instructions may include: operational parameters for providing the transmitter with power and current data for transmitting survey signals.
In an alternative embodiment, the transmitters transmit survey signals respectively according to the respective operating times and corresponding operating parameters recorded in the operating schedule.
In an alternative embodiment, the receiver controls the receiving sensors to receive the corresponding survey signals according to the working time recorded in the working time schedule.
In an alternative embodiment, the receiver adds the survey signals received at various operating times to improve the signal-to-noise ratio of the signals.
In an optional embodiment, the data packet in the work order may include: a synchronization frame to evaluate transmission capabilities of the survey signal and the work order and synchronize reception status.
The synchronous frame carries operation parameters, and the receiver evaluates the transmission capability of the exploration signal according to the comparison between the received exploration signal and the operation parameters.
And the receiver evaluates the transmission capability of the work instruction according to the head and tail marks of the synchronous frame.
In an optional embodiment, the data packet in the work order may include: a data frame, the data frame comprising: work schedules and job parameters.
In an alternative embodiment, the mission information is formulated according to the geographical conditions under investigation and uploaded to the transmitter.
In an alternative embodiment, the transmitter modulates the work order into the current value by using FSK modulation communication.
In an alternative embodiment, the transmitter modulates the operating command into the current value by using PSK modulation communication.
In another embodiment of the invention, there is provided a transmitter for artificial source electromagnetic prospecting which may comprise a memory, a processor and a computer program stored on said memory and executable on said processor, said processor implementing the steps of the method according to any one of the preceding claims when said program is executed.
In another embodiment of the invention, there is provided a transmitter for artificial source electromagnetic prospecting for: generating a work order based on the task information; sending the working instruction, wherein the working instruction is used for instructing the receiver to control a receiving sensor to receive the exploration signal; and transmitting exploration signals according to the task information.
In a further embodiment of the invention, there is provided a receiver of an artificial source electromagnetic survey, which may comprise a memory, a processor and a computer program stored on the memory and executable on the processor, the processor when executing the program implementing the steps of the method of any one of the above aspects.
In yet another embodiment of the invention, there is provided a receiver for artificial source electromagnetic prospecting for: and receiving the working instruction to obtain task information, and instructing the receiver to control a receiving sensor to receive the exploration signal according to the task information.
In a further embodiment of the invention, there is provided an artificial source electromagnetic survey, which may include a transmitter according to any one of the above aspects.
In a further embodiment of the invention, there is provided an artificial source electromagnetic survey which may include a receiver as claimed in any one of the above aspects.
In yet another embodiment of the invention, an artificial source electromagnetic survey is provided, which may include receiving sensors as described in any one of the above aspects.
The invention aims to protect a synchronization method and a device of an artificial source electromagnetic method transmitter and receiver, wherein the synchronization method comprises the following steps: the transmitter generates a work instruction based on the task information; the transmitter modulates the work instruction carrier wave on a current value, sends the current value to the underground through a transmitting electrode and is received by an electric field sensor and a magnetic field sensor of the receiver; the receiver processes signals received by the electric field sensor and the magnetic field sensor and demodulates a working instruction sent by the transmitter; and the transmitter and the receiver carry out time synchronization according to the task information, after the time synchronization is finished, the transmitter transmits current in a conventional artificial source mode according to the task information, and the receiver also carries out signal receiving work according to the task information and executes an artificial source electromagnetic exploration task. The method for synchronizing the transmitter and the receiver by the artificial source electromagnetic method can carry out carrier communication through the signal transmitted by the transmitter, realize that the transmitter transmits communication data to the receiver, and finish the distribution and synchronization of data information such as a time schedule, operation time and the like. The scheme for establishing the communication data link of the transmitter and the receiver is beneficial to realizing the autonomous interaction between the transmitter and the receiver, enhancing the automation level in the operation process, reducing the workload of operators, reducing human errors and improving the operation efficiency and quality.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A method for synchronizing a transmitter and a receiver by an artificial source electromagnetic method is characterized by comprising the following steps:
the transmitter generates a work instruction based on the task information;
the transmitter modulates the work instruction carrier wave on a current value, sends the current value to the underground through a transmitting electrode and is received by an electric field sensor and a magnetic field sensor of the receiver;
the receiver processes signals received by the electric field sensor and the magnetic field sensor and demodulates a working instruction sent by the transmitter;
and the transmitter and the receiver carry out time synchronization according to the task information, after the time synchronization is finished, the transmitter transmits current in a conventional artificial source mode according to the task information, and the receiver also carries out signal receiving work according to the task information and executes an artificial source electromagnetic exploration task.
2. The method for synchronizing a transmitter and a receiver of an artificial source electromagnetic method according to claim 1,
the synchronous operation of the transmitter and the receiver is realized by transmitting and receiving carrier current signals to the stratum, and the synchronous operation process is carried out before the conventional artificial source electromagnetic exploration task is started.
3. The method for synchronizing a transmitter and a receiver of an artificial source electromagnetic method according to claim 1 or 2, wherein the task information includes:
an operating schedule for providing the transmitter with a time to transmit a survey signal and for providing the receiver with a time to receive a survey signal;
operational parameters for providing the transmitter with power and current data for transmitting survey signals.
4. The method for synchronizing a transmitter and a receiver of an artificial source electromagnetic method according to claim 3,
the transmitter respectively transmits exploration signals according to the working time and the corresponding operation parameters recorded in the working time table;
and the receiver respectively controls the electric field sensor and the magnetic field sensor of the receiver to receive corresponding exploration signals according to each working time recorded in the working time table.
5. The method for synchronizing a transmitter and a receiver of an artificial source electromagnetic method according to claim 4,
and the receiver superposes and processes the exploration signals received at each working time.
6. The method for synchronizing a transmitter and a receiver of an artificial source electromagnetic method according to claim 3, wherein the work order includes:
a synchronization frame for evaluating transmission capabilities of the survey signal and the work order and synchronizing reception states;
a data frame, the data frame comprising: work schedules and job parameters.
7. The method for synchronizing a transmitter and a receiver of an artificial source electromagnetic method according to claim 1 or 2,
the mission information is formulated and set to the transmitter by the operator according to the geographical conditions to be surveyed.
8. The method for synchronizing a transmitter and a receiver of an artificial source electromagnetic method according to claim 1,
the transmitter modulates the work instruction into a current signal by adopting an FSK or PSK modulation mode, and characteristic parameters of the FSK and the PSK are set before a user task starts.
9. A transmitter for artificial source electromagnetic surveying, comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the method of any one of claims 1 to 8 when executing the program.
10. A receiver for artificial source electromagnetic surveying, comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the method of any one of claims 1 to 8 when executing the program.
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| CN202110692636.7A CN113328847B (en) | 2021-06-22 | 2021-06-22 | Method and device for synchronizing transmitter and receiver by artificial source electromagnetic method |
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| EP2537257B1 (en) * | 2010-02-17 | 2016-11-02 | Saab AB | Wideband transmitter/receiver arrangement for multifunctional radar and communication |
| US20120179372A1 (en) * | 2010-07-22 | 2012-07-12 | Alexander Edward Kalish | Collecting Control Source Electromagnetic Signals |
| CN103091717B (en) * | 2013-01-09 | 2015-10-21 | 中国科学院电工研究所 | A kind of electromagnetic exploration method receiving and dispatching automatic synchronization frequency conversion |
| CN106199665B (en) * | 2016-07-01 | 2017-12-19 | 中国科学院地质与地球物理研究所 | A kind of distributed electrical magnetic method instrument synchronization system and method based on big-dipper satellite |
| US10809412B2 (en) * | 2017-12-22 | 2020-10-20 | Institute Of Geology And Geophysics, Chinese Academy Of Sciences | WEM-based method for deep resource detection using sky waves |
| US11313984B2 (en) * | 2019-06-09 | 2022-04-26 | Institute Of Geology And Geophysics, Chinese Academy Of Sciences | Method and system for electromagnetic method (EM) signal detection based on onshore sparker source |
| CN111580094A (en) * | 2020-06-17 | 2020-08-25 | 中国地质科学院 | Anti-interference radar antenna and anti-interference low-frequency ground penetrating radar system |
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| CN102053278A (en) * | 2010-09-09 | 2011-05-11 | 天津英驰勘探技术有限公司 | Electrical prospecting method and measuring device |
| CN107329180A (en) * | 2017-06-22 | 2017-11-07 | 吉林大学 | Magnetic resonance underground water detection device and detection method based on simulation comb filter |
| CN109660269A (en) * | 2018-12-11 | 2019-04-19 | 成都威图芯晟科技有限公司 | It is a kind of can synchronous adjustment running parameter RF detection system |
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