CN114814965B - Method and device for measuring earth polarization excimer radiation - Google Patents
Method and device for measuring earth polarization excimer radiation Download PDFInfo
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Abstract
The invention provides a method and a device for measuring earth polarization excimer radiation, which are characterized in that a data volume threshold is preset through the step 1, and a radiation signal of earth polarization excimer is received; step 2, presetting a screening threshold value, and screening radiation signals within the range of the screening threshold value; step 3, judging whether the data volume of the screened radiation signals is within a data volume threshold range, if so, simultaneously acquiring global geodetic coordinates, and matching the global geodetic coordinates with the radiation signals within the data volume threshold range; if not, adjusting the screening threshold range, and repeatedly executing the steps 2-3 until the useful signals in the required range are separated, so that the useful signals can be separated from the noise, the data volume of subsequent processing is greatly reduced, more accurate useful signals are obtained for analysis and operation, the data processing efficiency is greatly improved, and the final measurement and positioning and other results are more accurate.
Description
Technical Field
The invention relates to the technical field of electromagnetism, in particular to a method and a device for measuring earth polariton radiation.
Background
The earth polarization excimer radiation is natural pulse electromagnetic radiation generated by a geologic body under the internal stress strain state, receives the electromagnetic signal, measures and analyzes the electromagnetic signal, can be applied to the important fields of geological mineral resource exploration, natural disaster prediction and monitoring and the like, and is a technology with wide application field, flexible working method, low measurement cost, high efficiency and high maneuverability.
The currently known pulse amplitude analysis methods separate the pulses corresponding to the radiation under study from the smaller amplitude signal, and can only simply separate the useful signal from the noise, and the presence of strong interference signals leads to a complex analysis and calculation process.
Disclosure of Invention
The invention aims to provide a method and a device for measuring earth polarization excimer radiation, which aim to solve the problem of complex operation process in the prior art.
The invention provides a method for measuring earth polarization excimer radiation, which comprises the following steps: step 1, presetting a data volume threshold and receiving a radiation signal of a ground polariton; step 2, presetting a screening threshold value, and screening radiation signals within the range of the screening threshold value; step 3, judging whether the data volume of the screened radiation signals is within a data volume threshold range, if so, simultaneously acquiring global geodetic coordinates, and matching the global geodetic coordinates with the radiation signals within the data volume threshold range; if not, adjusting the screening threshold range, and repeatedly executing the step 2-3.
Preferably, the step 1 specifically includes: and respectively collecting the earth polariton radiation signals on x, y and z planes which are orthogonal to each other.
Preferably, the step 1 specifically further comprises: and respectively carrying out signal filtering processing and signal amplification processing on the earth polarization excimer radiation signals on three mutually orthogonal planes of x, y and z for a plurality of times.
Preferably, the measurement method further includes: and storing the global geodetic coordinates after matching with the radiation signals within the data volume threshold range.
Preferably, the measurement method further includes: and transmitting the global geodetic coordinates after matching with the radiation signals within the data volume threshold range.
The invention also provides a device for measuring the earth polariton radiation, which comprises:
the receiving module is used for receiving the radiation signal of the earth polarization excimer; the amplitude discriminator is used for screening the radiation signals of the geopolaritons transmitted by the receiving module to be within a screening threshold range, and the amplitude discriminator is an amplitude discriminator which is internally provided with a window comparator and has a programmable function and a discrimination threshold;
the controller is used for judging whether the data volume of the radiation signals in the screening threshold range is in the data volume threshold range, if so, simultaneously acquiring global geodetic coordinates, matching the global geodetic coordinates with the radiation signals in the data volume threshold range, and if not, flexibly adjusting the screening threshold range of the amplitude discriminator.
Preferably, the receiving module comprises three groups of signal receiving antennas, each signal receiving antenna comprises a signal shielding case and a ferrite rod arranged inside the signal shielding case, and the axes of the ferrite rods of the three groups of signal receiving antennas are all arranged perpendicularly to each other and are respectively used for receiving the radiation signals of the earth polaritons from the x plane, the y plane and the z plane.
Preferably, the receiving module further comprises a pre-differential operational amplifier, a shielded twisted pair cable, a broadband amplifier, a high-frequency active filter, a low-frequency filtering active filter and a programmable gain amplifier, which are sequentially arranged, wherein the radiation signal of the earth polarization excimer received by the signal receiving antenna is processed by the pre-differential operational amplifier, the shielded twisted pair cable, the broadband amplifier, the high-frequency active filter, the low-frequency filtering active filter and the programmable gain amplifier in sequence, and the controller, the programmable gain amplifier and the amplitude discriminator are respectively in bidirectional intercommunication.
Furthermore, the measuring device also comprises a memory and a signal transmission module, and the controller is communicated with the memory and the signal transmission module in a bidirectional mode respectively.
Furthermore, the measuring device also comprises a coordinate acquisition module, and the coordinate acquisition module is used for acquiring real-time global earth coordinates and transmitting the real-time global earth coordinates to the controller.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a method and a device for measuring earth polarization excimer radiation, which receive radiation signals of earth polarization excimer through a preset data volume threshold; presetting a screening threshold value, and screening radiation signals within the range of the screening threshold value; judging whether the data volume of the screened radiation signals is within a data volume threshold range, if so, simultaneously acquiring global geodetic coordinates, and matching the global geodetic coordinates with the radiation signals within the data volume threshold range; if not, adjusting the screening threshold range, repeating the steps until the useful signals in the required range are separated, so that the useful signals can be separated from the noise, the data volume of subsequent processing is greatly reduced, more accurate useful signals are obtained for analysis and operation, the data processing efficiency is greatly improved, and the final results of measurement and positioning and the like are more accurate.
Drawings
FIG. 1 is a flow chart of a method of measuring earth polarized excimer radiation provided by an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a device for measuring earth polarized excimer radiation provided by an embodiment of the present invention;
description of reference numerals:
the system comprises a signal receiving antenna 1, a differential operational amplifier 2, a shielded twisted pair cable 3, a broadband amplifier 4, a high-frequency active filter 5, a low-frequency active filter 6, a programmable gain amplifier 7, an amplitude discriminator 8, a controller 9, a coordinate acquisition module 10, a signal transmission module 11 and a memory 12.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
Example one
As shown in fig. 1, the present invention provides a method of measuring geodetic polarized excimer radiation, comprising:
Before measurement, a data volume threshold is preset, and a radiation signal of a geodetic polariton is received; then presetting a screening threshold value, screening a radiation signal within the screening threshold value range, because the step 2 and the step 3 are different processes, the screening threshold value range in the step 2 is embodied by different parameters, the screening threshold value range parameter can be various parameters such as voltage, wavelength (frequency), electric field intensity, magnetic field intensity and the like, for example, the parameter is voltage, the step 2 refers to screening the radiation signal which does not exceed the set upper limit and lower limit of the voltage in real time, thereby neglecting the signals which exceed the upper limit and the lower limit of the threshold value, after screening the radiation signal within the screening threshold value range, converting the radiation signal into a digital signal, in the step 3, judging the converted digital signal, analyzing and calculating the converted digital signal to obtain the pulse number, judging whether the pulse number is within the preset data volume threshold value range, if so, simultaneously acquiring global geodetic coordinates, and matching the global geodetic coordinates with the radiation signals within the data volume threshold range, namely binding and matching the coordinate values of a certain moment with the signal values of the moment, namely realizing the measurement of the coordinate positions and the signal values of the moment; if not, namely the screening threshold range signal screened in the step 2 is found not to be the final required range value, namely the converted digital signal is not located in the data volume threshold range, adjusting the screening threshold range, repeatedly executing the steps until the converted digital signal is located in the data volume threshold range, namely the final required range, and then matching the current coordinate to realize the final measurement.
In this embodiment, the screening threshold range parameter may be set to a voltage, the data amount threshold range may be set to 1500 to 3000 pulse numbers, after receiving the radiation signal of the geodetic polariton, the screening threshold range may be set to 0.2V to 3V, the radiation signal within the range of 0.2V to 3V is screened and converted into a digital signal; after analysis and calculation, 2000 pulse numbers are in a preset data volume threshold range, namely 1500 to 3000 pulse numbers, the data is qualified, meanwhile, global geodetic coordinates are acquired, and the global geodetic coordinates are matched with the digital signals of the 2000 pulse numbers; if the number of pulses is less than 1500 or more than 3000, such as 4000 numbers of pulses, the screening threshold range needs to be adjusted, the steps are repeatedly executed until the screened number of pulses is in the preset data amount threshold range, and global earth coordinates are collected and matched with the global earth coordinates, so that the measurement result is obtained.
In another embodiment, the screening threshold range parameter may be set to a wavelength (frequency), the data amount threshold range may be set to 2000 to 5000 pulses, after receiving the radiation signal of the earth polariton, the screening threshold range may be set to 2kHz to 10kHz, the radiation signal within the range of 2kHz to 10kHz may be screened and converted into a digital signal; 3000 pulse numbers are analyzed and calculated, and are in a preset data volume threshold range, namely 2000 to 5000 pulse numbers, the data is qualified, meanwhile, global geodetic coordinates are collected, and the global geodetic coordinates are matched with digital signals of the 3000 pulse numbers; if the number of pulses is less than 2000 or more than 5000, such as 1000, the screening threshold range needs to be adjusted, the steps are repeatedly executed until the screened number of pulses is in the preset data volume threshold range, and global coordinates are collected and matched with the global coordinates, so that the measurement result is obtained.
Further, the step 1 specifically includes: and respectively collecting the earth polariton radiation signals on x, y and z planes which are orthogonal to each other.
The radiation source and the three-dimensional profile of the geologic body, the geologic structure and the earth dynamics process can be determined by receiving the earth polariton radiation on three mutually orthogonal planes.
Further, the step 1 specifically includes: and respectively carrying out signal filtering processing and signal amplification processing on the earth polarization excimer radiation signals on three mutually orthogonal planes of x, y and z for a plurality of times.
For later analysis, the collected signals need to be subjected to signal filtering processing and signal amplification processing for a plurality of times, for example, the signals are pre-amplified by a pre-differential operational amplifier 2, output through a symmetrical output end, signals on three channels are respectively and symmetrically input to a broadband amplifier 4 through a shielded twisted-pair cable 3 to be amplified continuously, the amplified signals are input to a high-frequency active filter 5 and a low-frequency active filter 6 to be subjected to signal filtering within a band pass of specified 1 kHz-50 kHz, and the filtered signals are amplified and output through a programmable gain amplifier 7 and are transmitted to an amplitude discriminator 8 which comprises a window comparator circuit configuration and has a discrimination threshold value with a programmable function to be subjected to screening processing.
Preferably, the measurement method further includes: and storing the global geodetic coordinates after matching with the radiation signals within the data volume threshold range.
In the embodiment, to implement real-time storage of data, if the converted digital signal is within the threshold range of the data amount, the global geodetic coordinates are simultaneously acquired to match the digital signal, and the matched data is stored in the memory.
Preferably, the measurement method further includes: and transmitting the global geodetic coordinates after matching with the radiation signals within the data volume threshold range.
The matched data can be transmitted and backed up through the wireless data transmission module with the receiving and transmitting antenna, and online transmission of all measured data to a remote server can be realized.
Example two
The embodiment of the invention provides a method for measuring earth polariton radiation, which comprises the following steps:
presetting a data volume threshold, receiving radiation signals of the earth polaritons, namely respectively acquiring earth polariton radiation signals on x, y and z planes which are orthogonal to each other, and respectively performing signal filtering processing and signal amplification processing on the earth polariton radiation signals on the x, y and z planes which are orthogonal to each other for a plurality of times; presetting a screening threshold, screening radiation signals within the range of the screening threshold and converting the radiation signals into digital signals; judging whether the radiation signals within the screening threshold range are within the data volume threshold range, if so, simultaneously acquiring global geodetic coordinates, and matching the global geodetic coordinates with the radiation signals within the data volume threshold range; if not, adjusting the screening threshold range, and repeatedly executing the steps until the converted digital signal is within the data volume threshold range, namely the range finally required. After the required data are screened out, global geodetic coordinates are simultaneously acquired to be matched with the digital signals, and the matched data are stored in a memory. The data in the memory can be transmitted and backed up through the wireless data transmission module with the receiving and transmitting antenna, and online transmission of all measurement data to a remote server can be realized.
EXAMPLE III
As shown in fig. 2, an embodiment of the present invention further provides a device for measuring geodetic polarized excimer radiation, including:
the receiving module is used for receiving the radiation signal of the earth polarization excimer;
the amplitude discriminator is used for screening the radiation signals of the geopolaritons transmitted by the receiving module to be within a screening threshold range, and the amplitude discriminator is an amplitude discriminator which is internally provided with a window comparator and has a programmable function and a discrimination threshold;
and the controller 9 is used for judging whether the data volume of the radiation signals in the screening threshold range is in the data volume threshold range, if so, simultaneously acquiring global geodetic coordinates, matching the global geodetic coordinates with the radiation signals in the data volume threshold range, and if not, flexibly adjusting the screening threshold range of the amplitude discriminator.
The amplitude discriminator is an amplitude discriminator which is internally provided with a window comparator and has a programmable function discrimination threshold (which can be flexibly set in advance), can screen analog signals which do not exceed the upper limit and the lower limit of the set voltage in real time, thus neglecting the signals which exceed the upper limit and the lower limit of the threshold, screening the analog signals which are positioned in the range of the screening threshold, and converting the analog signals into digital signals to be transmitted to the controller 9; the controller 9 can be a 32-bit microcontroller, and can analyze and calculate the received digital signal to obtain the pulse number, and judge whether the pulse number is within a preset data volume threshold range, if so, the controller 9 controls to simultaneously acquire global geodetic coordinates, and matches the global geodetic coordinates with the radiation signal within the data volume threshold range; if not, namely the controller 9 finds that the screening threshold range signal screened by the amplitude discriminator is not the final required range value, namely the converted pulse number is not in the required data volume threshold range, the controller 9 sends an instruction to the amplitude discriminator to enable the amplitude discriminator to adjust the screening threshold range, the steps are repeatedly executed until the converted digital signal is in the data volume threshold range, namely the final required range, and then the earth coordinate at the time of matching is carried out to realize the final measurement.
As shown in fig. 2, further, the receiving module includes three sets of signal receiving antennas 1, the signal receiving antennas 1 include a signal shielding case and ferrite rods disposed inside the signal shielding case, axes of the ferrite rods of the three sets of signal receiving antennas are all disposed perpendicular to each other, and are respectively used for receiving radiation signals of earth polaritons from an x plane, a y plane, and a z plane.
In this embodiment, the shielding case is generally configured as a hexahedron, and includes six insulating plates, and the inside and outside surfaces of each plate surface are provided with copper foil strips. The radiation source and the outline of a geologic body, a geologic structure and the earth dynamics process can be determined by receiving earth polarization excimer radiation on three mutually orthogonal planes, and the surfaces of the inner side and the outer side of the shielding cover are provided with a plurality of first copper foil strips, so that the capacitive coupling between the shielding cover and a coil is reduced, the effective height (antenna input sensitivity) of the receiving antenna is improved, and the interference of various signals such as man-made signals, industrial signals, thunderstorms and the like is inhibited.
As shown in fig. 2, the receiving module further includes a pre-differential operational amplifier 2, a shielded twisted pair cable 3, a broadband amplifier 4, a high-frequency active filter 5, a low-frequency active filter 6, and a programmable gain amplifier 7, which are sequentially arranged, and the radiation signal of the earth polarization excimer received by the signal receiving antenna is sequentially processed by the pre-differential operational amplifier 2, the shielded twisted pair cable 3, the broadband amplifier 4, the high-frequency active filter 5, the low-frequency active filter 6, and the programmable gain amplifier 7, and the controller 9 is in bidirectional communication with the programmable gain amplifier 7 and the amplitude discriminator 8, respectively.
In the embodiment, the signal received by the receiving module of the radiation signal of the earth polarization excimer is used, pre-amplifying by three pre-differential operational amplifiers 2, setting the output end of the pre-differential operational amplifier 2 as a symmetrical output end, outputting by the symmetrical output end, outputting by a shielded twisted-pair cable 3, setting the output end of the shielded twisted-pair cable 3 as a symmetrical output end, signals on the three channels can be symmetrically input into a broadband amplifier 4 respectively to continuously amplify useful signals, the amplified signals are input into a high-frequency active filter 5 and a low-frequency active filter 6 to carry out signal filtering within a band pass of 1 kHz-50 kHz, the filtered signals are amplified and output by a programmable gain amplifier 7 and are transmitted to an amplitude discriminator 8 which comprises a window comparator circuit configuration and has a discrimination threshold value with a programmable function. The controller 9 is communicated with the programmable gain amplifier 7 and the amplitude discriminator 8 in a bidirectional way respectively, and aims to detect whether the states of the programmable gain amplifier 7 and the amplitude discriminator 8 can work normally or not by respectively sending self-detection signals to the programmable gain amplifier 7 and the amplitude discriminator 8 by the controller 9 before the integral device of the invention is started to carry out specific measurement, and if the programmable gain amplifier 7 and the amplitude discriminator 8 can work normally, feeding back normal signals to be transmitted to the controller 9; if the programmable gain amplifier 7 and the amplitude discriminator 8 do not feed back normal signals to the controller 9, or the feedback signals are abnormal, it indicates that the programmable gain amplifier 7 and the amplitude discriminator 8 are abnormal, and adjustment and maintenance are needed.
As shown in fig. 2, further, the measuring apparatus further includes a memory 12 and a signal transmission module 11, and the controller is in bidirectional communication with the memory 12 and the signal transmission module 11, respectively.
The data analyzed and processed by the controller 9 can be stored in the memory 12, and when transmission is needed, the data is called out from the memory 12 and is sent to the outside (such as a remote server) through the signal transmission module 11; memory 12 may be an Electrically Erasable Programmable Read Only Memory (EEPROM) module; the signal transmission module 11 can be a wireless data transmission module with a receiving and sending antenna, before the whole device starts to work, the signal transmission module 11 sends a self-detection signal to a remote server to detect whether the remote server can work normally, if the server can work normally, the signal transmission module 11 feeds back a normal signal to be transmitted to the controller 9, the controller 9 calls data from the memory and transmits the data to the remote server through the signal transmission module 11, and therefore online transmission of all measurement data to the remote server is achieved. If the remote server can not work normally, the signal transmission module 11 feeds back an abnormal signal to the controller 9, which indicates that the remote server is abnormal in state and needs to be adjusted and maintained.
As shown in fig. 2, further, the measuring apparatus further includes a coordinate collecting module 10, and the coordinate collecting module 10 is configured to collect real-time global earth coordinates and transmit the real-time global earth coordinates to the controller.
The coordinate acquisition module 10 includes a global geodetic coordinate determination module with a receiving antenna, the global geodetic coordinate determination module may be satellite positioning signal data acquired by GPS/beidou, and the acquired satellite positioning signal data is received by the global geodetic coordinate determination module with the receiving antenna and transmitted to the 32-bit microcontroller.
Example four
The embodiment of the invention also provides a device for measuring the earth polarization excimer radiation, which comprises the following specific steps:
the signal receiving module comprises three groups of signal receiving antennas 1, the three groups of signal receiving antennas 1 are respectively connected with the input ends of three preposed differential operational amplifiers 2, the symmetrical output ends of the three preposed differential operational amplifiers 2 are respectively connected with the symmetrical input end of a broadband amplifier 4 through a shielded twisted pair cable 3, the output end of the broadband amplifier 4 is connected with the input end of a high-frequency active filter 5, the output end of the high-frequency active filter 5 is connected with the input end of a low-frequency active filter 6, the output end of the low-frequency active filter 6 is connected with the input end of a programmable gain amplifier 7, the output end of the programmable gain amplifier 7 is connected with the input end of an amplitude discriminator 8 which comprises a window comparator circuit configuration and has a discrimination threshold value with a programmable function, and the amplitude discriminator 8 which comprises the discrimination threshold value with the programmable function and a window comparator circuit configuration is in bidirectional intercommunication connection with a 32-bit microcontroller 9, the programmable gain amplifier 7 is in bidirectional intercommunication connection 15 with the 32-bit microcontroller 9, the electrically erasable programmable read-only memory EEPROM 12 is in bidirectional intercommunication connection with the 32-bit microcontroller 9, the coordinate acquisition module 10 is a global geodetic coordinate determination module with a receiving antenna, the output end of the coordinate acquisition module 10 is connected with the input end of the 32-bit microcontroller 9, the signal transmission module 11 is a wireless data transmission module with a receiving antenna, and the signal transmission module 11 is in bidirectional intercommunication connection with the 32-bit microcontroller 9.
The working principle of the device is as follows:
preparation work before measurement: the controller 9 sends self-detection signals to the programmable gain amplifier 7 and the amplitude discriminator 8 respectively, detects whether the states of the programmable gain amplifier 7 and the amplitude discriminator 8 can work normally, and feeds back a normal signal to the controller 9 if the programmable gain amplifier 7 and the amplitude discriminator 8 can work normally; if the programmable gain amplifier 7 and the amplitude discriminator 8 do not feed back normal signals to the controller 9, or the feedback signals are abnormal, it indicates that the programmable gain amplifier 7 and the amplitude discriminator 8 are abnormal, and adjustment and maintenance are needed.
The signal transmission module 11 sends a self-detection signal to the remote server to detect whether the remote server can work normally, and if the server can work normally, the signal transmission module 11 feeds back a normal signal to the controller 9; if the remote server can not work normally, the signal transmission module 11 feeds back an abnormal signal to the controller 9, which indicates that the remote server is abnormal in state and needs to be adjusted and maintained.
If the self-test programmable gain amplifier 7 and amplitude discriminator 8 of the device and the remote server can work normally, then the formal measurement is started:
presetting a data quantity threshold value, then receiving and measuring magnetic components radiated by earth polarization excimer in mutually vertical planes x, y and z by receiving parts on three channels of a signal receiving module, namely ferrite rod coils, pre-amplifying the magnetic components by three preposed differential operational amplifiers 2 of a magnetic antenna unit, outputting the magnetic components through symmetrical output ends, symmetrically inputting signals on the three channels to a broadband amplifier 4 through a shielded twisted-pair cable 3 to continuously amplify useful signals, inputting the amplified signals to a high-frequency active filter 5 and a low-frequency active filter 6 to carry out signal filtering within a specified band pass of 1 kHz-50 kHz, amplifying and outputting the filtered signals through a programmable gain amplifier 7, setting a screening threshold value, and transmitting the filtered signals to an amplitude discriminator 8 which comprises a discrimination threshold value with a programmable function and is configured by a window comparator circuit through the output end of the programmable gain amplifier 7, the amplitude discriminator 8 screens analog signals which do not exceed the upper limit and the lower limit of the set voltage in real time, thereby neglecting signals which exceed the upper limit and the lower limit of the threshold, screens the analog signals which are positioned in the range of the screening threshold, converts the analog signals into digital signals and transmits the digital signals to the controller 9, the controller 9 executes the counting of the earth polarization excimer radiation pulses and the complex mathematical analysis operation of the pulse wave packet characteristics, analyzes and calculates the received digital signals to obtain the pulse number, judges whether the pulse number is positioned in the preset data quantity threshold range, if so, the result is stored in an EEPROM (electrically erasable programmable read-only memory), meanwhile, the satellite positioning signal data from the global geodetic coordinate system is received by a global geodetic coordinate determination module with a receiving antenna and is transmitted to a 32-bit microcontroller, and synchronously binding all useful measurement data and the satellite positioning coordinate data on a time line is carried out according to the measurement interval defined by a program The bound data is stored in an electrically erasable programmable read-only memory EEPROM again, and a wireless data transmission module with a receiving and transmitting antenna is in bidirectional intercommunication connection with a controller 9 to realize the online transmission of all the measured data to a remote server; if not, the controller 9 adjusts the filtering threshold range to the signal-to-amplitude discriminator 8, and repeats the above steps.
The device provided by the invention can measure and store the value of the earth polarization excimer radiation parameter, perform spectrum analysis on the signal, measure and calculate amplitude-frequency characteristics, pulse wave packet energy, signal variance, average amplitude of an earth electromagnetic field and the like, and all recorded parameters are automatically associated with the coordinate position of the device and transmitted to a remote server on line through a wireless network. And carrying out data processing and analysis by using a formula based on the basic rule of the earth polariton radiation and the Pearson autocorrelation coefficient and the like. The discrete form of the signal effective energy makes it possible to determine the position of the radiation source with different stress-strain states and directly related to the geological body, geological structures and geodynamic processes.
The construction, features and functions of the present invention are described in detail in the embodiments illustrated in the drawings, which are only preferred embodiments of the present invention, but the present invention is not limited by the drawings, and all equivalent embodiments modified or changed according to the idea of the present invention should fall within the protection scope of the present invention without departing from the spirit of the present invention covered by the description and the drawings.
Claims (8)
1. A method of measuring earth-polarized excimer radiation, comprising:
step 1, presetting a data volume threshold, receiving radiation signals of a geodetic polariton, and respectively collecting the radiation signals of the geodetic polariton on x, y and z planes which are orthogonal to each other;
step 2, presetting a screening threshold, and screening radiation signals within a screening threshold range, wherein the screening threshold parameter is voltage, and the screening threshold is an upper voltage limit threshold and a lower voltage limit threshold;
step 3, judging whether the data volume of the screened radiation signals is within a data volume threshold range, if so, simultaneously acquiring global geodetic coordinates, and matching the global geodetic coordinates with the radiation signals within the data volume threshold range; if not, adjusting the screening threshold range, and repeatedly executing the step 2-3.
2. The method for measuring geodetic polariton radiation according to claim 1, wherein said step 1 further comprises:
and respectively carrying out signal filtering processing and signal amplification processing on the earth polarization excimer radiation signals on three mutually orthogonal planes of x, y and z for a plurality of times.
3. The method of measuring geodetic polariton radiation according to claim 2, further comprising:
and storing the global geodetic coordinates after matching with the radiation signals within the data volume threshold range.
4. The method of measuring geodetic polariton radiation according to claim 3, further comprising:
and transmitting the global geodetic coordinates after matching with the radiation signals within the data volume threshold range.
5. A device for measuring earth-polarized excimer radiation, comprising:
the receiving module is used for receiving earth polarization excimer radiation signals and comprises three groups of signal receiving antennas, wherein each signal receiving antenna comprises a signal shielding cover and a ferrite rod arranged in the signal shielding cover, and the axes of the ferrite rods of the three groups of signal receiving antennas are all arranged in a mutually vertical mode and are respectively used for receiving earth polarization excimer radiation signals from an x plane, a y plane and a z plane;
the amplitude discriminator is used for screening the radiation signals of the geopolaritons transmitted by the receiving module to a screening threshold range, the screening threshold parameter is voltage, the screening threshold is an upper voltage limit threshold and a lower voltage limit threshold, and the amplitude discriminator is an amplitude discriminator which is internally provided with a window comparator and has a discrimination threshold with a programmable function;
the controller is used for judging whether the data volume of the radiation signals in the screening threshold range is in the data volume threshold range, if so, simultaneously acquiring global geodetic coordinates, matching the global geodetic coordinates with the radiation signals in the data volume threshold range, and if not, adjusting the screening threshold range of the amplitude discriminator.
6. The device for measuring earth polarized excimer radiation according to claim 5, wherein the receiving module further comprises a pre-differential operational amplifier, a shielded twisted pair cable, a broadband amplifier, a high frequency active filter, a low frequency active filter, and a programmable gain amplifier, which are sequentially arranged, the earth polarized excimer radiation signal received by the signal receiving antenna is sequentially processed by the pre-differential operational amplifier, the shielded twisted pair cable, the broadband amplifier, the high frequency active filter, the low frequency active filter, and the programmable gain amplifier, and the controller is respectively in bidirectional communication with the programmable gain amplifier and the amplitude discriminator.
7. The apparatus of claim 6, further comprising a memory and a signal transmission module, wherein the controller is in bidirectional communication with the memory and the signal transmission module, respectively.
8. The geodetic polarized radiation measurement device of claim 7, further comprising a coordinate acquisition module, by which the controller acquires real-time global geodetic coordinates.
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| CN106932657B (en) * | 2017-05-08 | 2020-07-14 | 山东科技大学 | Method for measuring microwave electric field by using double dark state system |
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| CN101008678A (en) * | 2006-01-26 | 2007-08-01 | 中国石油天然气集团公司 | 3D resistivity cascaded automatic imaging method |
| CN103152112A (en) * | 2013-01-29 | 2013-06-12 | 东南大学 | Polarization MIMO channel measurement device with compact structure |
| CN114814958A (en) * | 2022-07-01 | 2022-07-29 | 河北帝斯杰奥科技有限公司 | Receiving device and analysis system for earth polarization excimer radiation |
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