CN110082697A - A kind of method and apparatus for demarcating lightning location system performance parameter - Google Patents
A kind of method and apparatus for demarcating lightning location system performance parameter Download PDFInfo
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- CN110082697A CN110082697A CN201910395573.1A CN201910395573A CN110082697A CN 110082697 A CN110082697 A CN 110082697A CN 201910395573 A CN201910395573 A CN 201910395573A CN 110082697 A CN110082697 A CN 110082697A
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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Abstract
The present invention provides a kind of method and apparatus for demarcating lightning location system performance parameter, this method comprises the following steps: the travelling route of planning demarcation signal source device, the thunder and lightning electromagnetic wave signal of simulation is generated by high/low frequency thunder and lightning signal generator, and be sent out via high/low frequency antenna, trigger lightning location system start recording data to be calibrated；Device is positioned according to global position system in calibration process, is compared with the positioning result of lightning location system, to calculate positioning accuracy, the detection efficient of lightning location system, and the time difference method and direction finding precision at sensing station；The demarcation signal source device includes satellite navigation and positioning module, high/low frequency thunder and lightning signal generator, high/low frequency antenna, waveform recording module and spectrum analysis module.The method of the invention can demarcate overall operation performance of the lightning location system in its coverage area, while can demarcate the performance parameter of three-dimensional lightning positioning system.
Description
Technical field
The present invention relates to lightning location system technology more particularly to a kind of methods for demarcating lightning location system performance parameter
With device.
Background technique
Lightning location system is widely used, and performance indicator mainly includes positioning accuracy and detection efficient, at present to thunder and lightning
Positioning system index is evaluated, and theoretical modeling or artificially triggered lightning method are mainly based upon.
Wherein, Chinese patent CN104698419A discloses a kind of lightning positioning system acquisition station scaling method, special at this
In benefit, standard antenna is mounted on the first acquisition station, other acquisition stations in system are demarcated.
The environment and actual conditions of theoretical modeling can have larger difference, it is difficult to guarantee actual accuracy rate；And it is artificial
Drawing thunder method can only be the calibration based on fixed point, cannot objectively respond the overall operation in lightning location system coverage area
Energy.
Summary of the invention
The technical problem to be solved in the present invention is that for the defects in the prior art, providing a kind of calibration lighting location system
The method and apparatus for performance parameter of uniting.
The technical solution adopted by the present invention to solve the technical problems is: a kind of calibration lightning location system performance parameter
Method, comprising the following steps:
1) in the region that lightning location system can cover, overall region is divided into the grid regions that sizing grid is p × q
Domain, wherein p, q are the side length of grid；P value range is 1~10km, and q value range is 1~10km；In the grid regions of division
The running track that demarcation signal source device is planned on domain makes demarcation signal source device advance along the track of planning；The calibration
Signal source device is used to send the electromagnetic wave information of simulation thunder and lightning, and records the time point for sending electromagnetic wave information and position；
Station area defined is respectively sensed according to lightning location system, inwardly or outwardly plans that one is closed with sensing station respectively
The interregional route away to set reference distance is enclosed, the route for enabling demarcation signal source device to plan along two is advanced；
2) lightning location system is received by demarcation signal source device in the route traveling process along planning, preset
The electromagnetic wave information for the simulation thunder and lightning that time point or position are sent, and electromagnetic wave information calculates lightning location system based on the received
To the deviations and detection efficient of each signal transmitting position；
Caliberating device sends simulation thunder in the route traveling process planned along two, at preset time point or position
The electromagnetic wave information of electricity sends j signal every time with time interval s, wherein s round numbers, unit ns, j round numbers, and j >=
1；Electromagnetic wave information is received by the sensing station of lightning location system and signal source is positioned；
Emit the physical location of signal and the simulation thunder and lightning signal of lightning location system record according to demarcation signal source device
Position occurs, lightning location system is calculated to the deviations of each signal transmitting position；If the reality of device transmitting signal
Position longitude is An, latitude Bn, n round numbers, indicate advance in n-th transmitting signal position, lightning location system record
Simulating thunder and lightning signal the longitude of position occurs is respectively an_1、an_2、…、an_j, latitude is respectively bn_1、bn_2、…、bn_j, thunder and lightning
The average deviation of positioning system system positioning longitude and latitude and signal transmitting physical location is denoted as Kn_1And Kn_2, can calculate separately
Are as follows:
According to the thunder and lightning frequency of the position of demarcation signal source device and the position lightning location system being recorded and
Lightning location system is calculated to the detection efficient of the position in the practical transmission electromagnetic wave number of demarcation signal source device；According to mark
The position of n-th of signal sending point, the thunder and lightning frequency of lightning location system being recorded are denoted as m where determining devicen, according to
Above-mentioned lightning location system scaling method, the practical transmission electromagnetic wave number of device are j, are marked with fixed lightning location system to the position
The detection efficient set is En, can calculate are as follows:
3) lighting location is drawn to the deviations and detection efficient of each signal transmitting position according to the system that is calculated
The positioning accuracy figure and detection efficient figure of system, to complete the calibration to the positioning accuracy and detection efficient of lightning location system；
4) fixed in conjunction with known thunder and lightning according to the practical longitude and latitude of demarcation signal source device each signal transmitting position
The practical longitude and latitude at position system sensing station calculate the signal reception time of the corresponding each signal transmitting position in single sensing station
Average deviation completes the calibration to the time difference method for sensing station in lightning location system according to signal reception time average deviation；
According to the practical longitude and latitude of the caliberating device that global position system determines, in conjunction with known lightning location system
The earth spherical distance l between device and lightning location system sensing station is calculated in the practical longitude and latitude for sensing stationn,
Lightning propagation velocity of electromagnetic wave is v, and simulation thunder and lightning electromagnetic wave signal is calculated from the true location point of transmitting signal to needs
The theoretical time at the sensing station of calibration are as follows: T0=lnThe caliberating device transmitting signal moment of/v, global position system record are denoted as
Tx, then theoretically sensing station receives signal time and should be Tn=Tx+T0Difference at the time of if sensing station is an actually-received signal
It is denoted as tn_1、tn_2、…、tn_j, sensing station is denoted as D to the receiving time average deviation of position transmitting signaln, can calculate are as follows:
The signal reception time average deviation of the corresponding each signal transmitting position in single sensing station is calculated, phase can be drawn
The signal reception time precision figure at inductive sensing station, to complete the calibration to the time difference method for sensing station in lightning location system；
5) the single sensing station of station location calculating is respectively sensed according to each signal transmitting position and lightning location system to correspond to often
The signal incidence angle average deviation of a signal transmitting position, is completed according to signal incidence angle average deviation in lightning location system
Sense the calibration of the direction finding precision at station.
Emit position according to signal and sensor position calculates to obtain simulation thunder and lightning electromagnetic wave signal from each transmitting signal
True location point to need demarcate sensing station incident orientation angle be θn, each transmitting location point of corresponding signal source, biography
The incidence angle that sense station is an actually-received signal is denoted as respectively: αn_1、αn_2、…、αn_j, the incidence angle that sensing station receives signal is average
Deviation is denoted as ωn, calculate are as follows:
The signal incidence angle average deviation of the corresponding each signal transmitting position in single sensing station is calculated, can draw corresponding
The signal incidence angle computational accuracy figure at station is sensed, to complete the calibration to the direction finding precision for sensing station in lightning location system.
According to the above scheme, the lightning location system respectively sense station surround region generation type it is as follows: by each adjacent two
Line between sensing station surrounds polygonal region.
According to the above scheme, reference distance being averaged with every two neighboring sensors station spacing setting ratio is set in the step 1)
Distance on the basis of value.
According to the above scheme, in the step 1) every two neighboring sensors station spacing setting ratio be 1/2,1/4,1/8 ..., 1/
2n, n is integer, or more small range.
According to the above scheme, calibration signal source device includes issuing letter for recording demarcation signal source device in the step 1)
Feel the pulse the time of punching and the satellite navigation and positioning module of motion track and position when transmitting electromagnetic wave, for according to scheduled
Time interval generate with typical thunder and lightning signal frequency, the consistent electromagnetic wave signal of wave character high frequency thunder and lightning signal generator and
Low frequency thunder and lightning signal generator, for recording electromagnetic wave signal waveform waveform recording module, for electromagnetic wave signal carry out
Pretreated spectrum analysis module and high frequency antenna and low-frequency antenna for electromagnetic signals.
According to the above scheme, the height of the demarcation signal source device transmitting signal is adjustable height.
According to the above scheme, the satellite navigation and positioning module is GPS or Beidou device.
According to the above scheme, the high-frequency signal output area of the high frequency thunder and lightning signal generator is high frequency/very high frequency(VHF), maximum
Output power is 100W, and the low frequency signal reference frequency output of low frequency thunder and lightning signal generator is low frequency/very low frequency, maximum output
Power is 50W.
According to the above method, the present invention also provides a kind of devices for demarcating lightning location system performance parameter, comprising:
Running track planning module, for planning demarcation signal source device in the region that lightning location system can cover
Running track；
Specific as follows: in the region that lightning location system can cover, it is p × q that overall region, which is divided into sizing grid,
Net region, wherein p, q be grid side length；
The running track that demarcation signal source device is planned on the net region of division, makes demarcation signal source device along rule
It advances the track drawn；
The demarcation signal source device is used to send the electromagnetic wave information of simulation thunder and lightning, and records and send electromagnetic wave information
Time point and position；
Deviations and detection efficient computing module, for receiving by demarcation signal source device in lightning location system on edge
In the route traveling process of planning, in the electromagnetic wave information for the simulation thunder and lightning that preset time point or position are sent, and according to
Received electromagnetic wave information calculates lightning location system to the deviations and detection efficient of each signal transmitting position；
Positioning accuracy and detection efficient demarcating module are calculated lightning location system for basis and emit each signal
The deviations and detection efficient of position, positioning accuracy and detection efficient to lightning location system are demarcated；
Time difference method demarcating module, for the practical longitude and latitude according to demarcation signal source device each signal transmitting position
Degree calculates the single corresponding each signal in sensing station and emits position in conjunction with the practical longitude and latitude at lightning location system sensing station
Signal reception time average deviation, survey to station is sensed in lightning location system is completed according to signal reception time average deviation
The calibration of Shi Jingdu；
Direction finding precision demarcating module, by respectively being sensed based on station location according to each signal transmitting position and lightning location system
The signal incidence angle average deviation of the corresponding each signal transmitting position in single sensing station is calculated, it is complete according to signal incidence angle average deviation
The calibration of the direction finding precision at station is sensed in pairs of lightning location system.
According to the above scheme, in the running track planning module, demarcation signal source dress is planned on the net region of division
The running track set is specific as follows: respectively sensing station area defined according to lightning location system, inwardly or outwardly plans respectively
One is the route for setting reference distance with sensing station enclosed area spacing, the fortune of two planning as demarcation signal source device
Row track.
According to the above scheme, in the running track planning module, lightning location system respectively senses the formation that station surrounds region
Mode is as follows: surrounding polygonal region by the line between each adjacent two sensing station.
According to the above scheme, reference distance is set in the running track planning module to set with every two neighboring sensors station spacing
Distance on the basis of the average value of ratio.
According to the above scheme, in the running track planning module every two neighboring sensors station spacing setting ratio be 1/2,1/4,
... or 1/2 1/8,n, wherein n is integer.
According to the above scheme, in the deviations and detection efficient computing module, lightning location system is calculated to each letter
Number transmitting position deviations and detection efficient, comprising:
Demarcation signal source device sends simulation in the route traveling process along planning, at preset time point or position
The electromagnetic wave information of thunder and lightning sends j signal, wherein s round numbers, unit ns, j round numbers, and j every time with time interval s
≥1；Electromagnetic wave information is received by the sensing station of lightning location system and signal source is positioned；
Emit the physical location of signal and the simulation thunder and lightning signal of lightning location system record according to demarcation signal source device
Position occurs, lightning location system is calculated to the deviations of each signal transmitting position；
According to the thunder and lightning frequency of the position of demarcation signal source device and the position lightning location system being recorded and
Lightning location system is calculated to the detection efficient of the position in the practical transmission electromagnetic wave number of demarcation signal source device.
According to the above scheme, it in the time difference method demarcating module, calculates the single corresponding each signal in sensing station and emits position
Signal reception time average deviation, comprising:
It is passed according to the practical longitude of demarcation signal source device each signal transmitting position and latitude and lightning location system
The earth spherical surface between demarcation signal source device and lightning location system sensing station is calculated in the practical longitude and latitude for feeling station
Distance ln；
According to lightning propagation velocity of electromagnetic wave v, and obtained earth spherical distance ln, obtain simulation thunder and lightning electromagnetic wave signal
From the true location point of transmitting signal to the theoretical time at the sensing station for needing to demarcate are as follows: T0=ln/v；
T is denoted as according to the caliberating device transmitting signal moment of global position system recordxAnd theoretical time T0, determine sensing
It is T that station, which receives signal time,n=Tx+T0；
It is denoted as t respectively at the time of sensing station is an actually-received signaln_1、tn_2、…、tn_j, sensing station is calculated to this
Position emits the receiving time average deviation of signal, is denoted as Dn。
According to the above scheme, it in the direction finding precision demarcating module, calculates the single corresponding each signal in sensing station and emits position
Signal incidence angle average deviation, comprising:
Emit position according to signal and sensor position calculates to obtain simulation thunder and lightning electromagnetic wave signal from each transmitting signal
True location point to need demarcate sensing station incident orientation angle be θn；Each transmitting location point of corresponding signal source, passes
The incidence angle that sense station is an actually-received signal is denoted as respectively: αn_1、αn_2、…、αn_j；According to θnAnd αn_1、αn_2、…、αn_jIt calculates
Sensing station receives the incidence angle average deviation of signal, is denoted as ωn。
The beneficial effect comprise that: the present invention overcomes existing methods in accuracy rate and to systematic entirety
Deficiency on capable of demarcating realizes the effective detection and calibration of the overall operation performance in its coverage area to lightning location system.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the method flow diagram of the embodiment of the present invention；
Fig. 2 is the schematic diagram of the travelling route planning of the demarcation signal source device of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the demarcation signal source device of the embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to limit
The fixed present invention.
As shown in FIG. 1, FIG. 1 is lightning location system scaling method flow charts, can be to the positioning accurate of lightning location system
Degree and detection efficient are demarcated, while can be demarcated to the time difference method and direction finding precision that lighting location sensing is stood, can
It is organized work according to the actual traffic environment that need to demarcate region, detailed process is as follows:
The covered region of lightning location system institute to be calibrated is carried out grid dividing by the first step, can be according in region
Practical natural environment and road traffic condition plan reasonable device travel track, according to thunder in conjunction with satellite navigation and positioning module
The detection frequency range at electric orientation sensing station and wave character is received, setting generates frequency, waveform and the transmitting high frequency of signal/low
The time interval of frequency signal, so that caliberating device can generate simulation thunder and lightning electromagnetic wave signal；
Second step, the signal source device that lightning location system is demarcated can will be deployed in preprepared vehicle or
On aircraft (unmanned plane), so that the vehicles of loading device is advanced along preset route, improve caliberating device
Mobility, can to lightning location system, overall operation performance is demarcated in its coverage area, and have the three-dimensional thunder of calibration
The function of electric positioning system；
Third step is launched outward by the high/low frequency antenna of caliberating device, sends mould in preset time or position
Quasi- thunder and lightning electromagnetic wave signal sends j signal every time with time interval s, and wherein s round numbers, unit is nanosecond, and j, which takes, to be greater than
Integer equal to 10；Satellite navigation and positioning module time and position locating for recording device simultaneously, lighting location in trigger area
The sensing station of system records related data, calculates each sensing station and receives the time of signal and the azimuth of incoming signal, for calibration
Sensing station time difference method and direction finding precision provide reference；
4th step, sensing station receive signal and record time and incident orientation angle, and lightning location system receives sensing station
To electromagnetic wave signal information calculated and analyzed, with obtain electromagnetic wave signal generation time and position；
5th step, after the signal source device for demarcating lightning location system completes preset travel track, to traveling process
The simulation thunder and lightning electromagnetic radiation when and where data of middle generation are exported and are arranged, and the positioning with lightning location system is fixed
Position data carry out analysis comparison, the positioning accuracy figure and detection efficient figure of lightning location system are drawn, can intuitively describe to be
Performance parameter of the system in its coverage area；
6th step, if the physical location difference of the positioning result of lightning location system and caliberating device is larger, basis
The sensing station theoretical time for receiving signal of calculating and azimuth, the real time of comparison sensing station tracer signal and azimuth,
So as to position the sensing station there are failure；
7th step calculates the positioning accuracy and detection efficient of calibration lightning location system, and draws sensing station as needed
Signal reception time precision figure and signal incidence angle computational accuracy figure, calibration sensing station time difference method and direction finding precision.
Fig. 2 shows the schematic diagrames of the travelling route of the caliberating device of embodiment of the present invention planning, and wherein C1~C5 divides
The sensing station location of lightning location system Dai Biao not be formed, solid black lines, which surround region R1, indicates sensing station area defined；
In Fig. 2, the grid that black dotted lines surround represents the gridding to lightning location system institute overlay area and divides, dotted line
R2 and R3 respectively represents the caliberating device travelling route in the surrounded inside and outside planning in region in sensing station, and the distance of distance R1 is equal
It is respectively approximately the average value per linear distance 1/2 between adjacent two sensing station；It can be according to institute region to be calibrated in real work
Actual traffic situation, the travelling route for caliberating device of making rational planning in grid chart.
Fig. 3 shows a kind of structural schematic diagram of signal source device for demarcating lightning location system performance parameter.Main packet
It includes and is occurred by CPU processor, power module, satellite navigation and positioning module, high frequency thunder and lightning signal generator, low frequency thunder and lightning signal
The host equipment that device, waveform recording module, spectrum analysis module, data memory module, key control module form, and display
The peripheral hardware of terminal device module, high frequency antenna and low-frequency antenna forms, and can be powered by DC power supply or battery to device.CPU
Processor connects satellite navigation and positioning module, waveform recording module, spectrum analysis module by PCIe bus and presses key control mould
Block, connects high/low frequency signal generator by HDA bus, connects data memory module by SATA bus interface；High/low frequency
Signal generator is connected by tone frequency channel wire with wave tracer, high/low frequency antenna；Waveform recording module passes through tone frequency channel wire and frequency spectrum
Analysis module is connected；Satellite navigation and positioning module and spectrum analysis module pass through SATA bus interface and data memory module phase
Even, it is connected by LVDS bus interface with display terminal module；Each module is connected by power supply line with power module.
CPU processor shown in Fig. 3 is master control and the data processing module of caliberating device, being capable of control device completion electricity
The operations such as magnetostatic wave signal generation, waveform processing, signal transmitting, and calculate signal source institute's electromagnetic signals and reach each sensing
The correct time and incidence angle stood receive signal by the final positioning result and each sensing station that compare lightning location system
Time and incidence angle, can positioning accuracy to lightning location system and single sensing the station performance that receives signal demarcate.
High and low frequency signal generator shown in Fig. 3 can generate and typical thunder and lightning signal frequency at predetermined intervals
The consistent electromagnetic wave signal of rate, wave character is recorded and is pre-processed into wave tracer and spectrum analyzer, passed through
It is high low-frequency antenna launch outward, to excite lightning location system to start to work, and can by signal export in display terminal
Upper displaying.
High frequency antenna reference frequency output is high frequency/very high frequency(VHF), peak power output 100W, low-frequency antenna output frequency
Range is low frequency/very low frequency, peak power output 50W.
Satellite navigation and positioning module shown in Fig. 3 can be sent out every time by the time synchronization with satellite, accurate recording device
Penetrate time and position locating when signal.
In the present embodiment, specific demarcating steps are as follows:
Demarcation signal source device is sent in the route traveling process planned along two at preset time point or position
Simulate thunder and lightning electromagnetic wave information, every time with time interval s send j signal, wherein s round numbers, unit ns, j round numbers,
And j >=1；Electromagnetic wave information is received by the sensing station of lightning location system and signal source is positioned；
If the physical location longitude that device emits signal is An, latitude Bn, n round numbers, indicate advance in n-th transmitting
The position of signal, it is respectively a that the longitude of position, which occurs, for the simulation thunder and lightning signal of lightning location system recordn_1、an_2、…、an_j,
Latitude is respectively bn_1、bn_2、…、bn_j, lightning location system system positions longitude and latitude and signal emits the flat of physical location
Equal deviation is denoted as Kn_1And Kn_2, can calculate separately are as follows:
According to the position of n-th of signal sending point where caliberating device, the thunder and lightning of lightning location system being recorded occurs
Number is denoted as mn, according to above-mentioned lightning location system scaling method, the practical transmission electromagnetic wave number of device is j, is marked with fixed thunder
Electric positioning system is E to the detection efficient of the positionn, can calculate are as follows:
According to the system that is calculated to the deviations and detection efficient of each signal transmitting position, lighting location system is drawn
The positioning accuracy figure and detection efficient figure of system, to complete the calibration to the positioning accuracy and detection efficient of lightning location system；
According to the practical longitude and latitude of the caliberating device that global position system determines, in conjunction with known lightning location system
The earth spherical distance between device and lightning location system sensing station can be calculated in the practical longitude and latitude for sensing station
ln, lightning propagation velocity of electromagnetic wave is v, further calculates to obtain physical location of the simulation thunder and lightning electromagnetic wave signal from transmitting signal
Theoretical time of the point to the sensing station for needing to demarcate are as follows: T0=lnWhen the caliberating device of/v, global position system record emit signal
It engraves as Tx, then theoretically sensing station receives signal time and should be Tn=Tx+T0If sensing station be an actually-received signal when
Quarter is denoted as t respectivelyn_1、tn_2、…、tn_j, sensing station is denoted as D to the receiving time average deviation of position transmitting signaln, can count
It calculates are as follows:
The signal reception time average deviation of the corresponding each signal transmitting position in single sensing station is calculated, phase can be drawn
The signal reception time precision figure at inductive sensing station, to complete the calibration to the time difference method for sensing station in lightning location system；
Emit position according to signal and sensor position calculates to obtain simulation thunder and lightning electromagnetic wave signal from each transmitting signal
True location point to need demarcate sensing station incident orientation angle be θn, each transmitting location point of corresponding signal source, biography
The incidence angle that sense station is an actually-received signal is calculated as respectively: αn_1、αn_2、…、αn_j, the incidence angle that sensing station receives signal is average
Deviation is denoted as ωn, can calculate are as follows:
The signal incidence angle average deviation of the corresponding each signal transmitting position in single sensing station is calculated, can draw corresponding
The signal incidence angle computational accuracy figure at station is sensed, to complete the calibration to the direction finding precision for sensing station in lightning location system.
As the preferred embodiment of the present invention, the device of the corresponding calibration lightning location system performance parameter of the method for the present invention
Also it can apply in the calibration field to radar listening post.
The device is described in detail below, a kind of device for demarcating lightning location system performance parameter, comprising:
Running track planning module, for planning demarcation signal source device in the region that lightning location system can cover
Running track；
Specific as follows: in the region that lightning location system can cover, it is p × q that overall region, which is divided into sizing grid,
Net region, wherein p, q be grid side length；
The running track that demarcation signal source device is planned on the net region of division, makes demarcation signal source device along rule
It advances the track drawn；
Running track is that station area defined is respectively sensed according to lightning location system, inwardly or outwardly plans one respectively
It is the route for setting reference distance with sensing station enclosed area spacing, as the fortune of two planning of demarcation signal source device
Row track, lightning location system respectively sense station surround region generation type it is as follows: by it is each it is adjacent two sensing station between straight line
Line surrounds polygonal region；
Demarcation signal source device is used to send the electromagnetic wave information of simulation thunder and lightning, and records the time for sending electromagnetic wave information
Point and position；
Deviations and detection efficient computing module, for receiving by demarcation signal source device in lightning location system on edge
In the route traveling process of planning, in the electromagnetic wave information for the simulation thunder and lightning that preset time point or position are sent, and according to
Received electromagnetic wave information calculates lightning location system to the deviations and detection efficient of each signal transmitting position；
Lightning location system is calculated to the deviations and detection efficient of each signal transmitting position, comprising:
Demarcation signal source device sends simulation in the route traveling process along planning, at preset time point or position
The electromagnetic wave information of thunder and lightning sends j signal, wherein s round numbers, unit ns, j round numbers, and j every time with time interval s
≥1；Electromagnetic wave information is received by the sensing station of lightning location system and signal source is positioned；
Emit the physical location of signal and the simulation thunder and lightning signal of lightning location system record according to demarcation signal source device
Position occurs, lightning location system is calculated to the deviations of each signal transmitting position；
According to the thunder and lightning frequency of the position of demarcation signal source device and the position lightning location system being recorded and
Lightning location system is calculated to the detection efficient of the position in the practical transmission electromagnetic wave number of demarcation signal source device
Positioning accuracy and detection efficient demarcating module are calculated lightning location system for basis and emit each signal
The deviations and detection efficient of position, positioning accuracy and detection efficient to lightning location system are demarcated；
Time difference method demarcating module, for the practical longitude and latitude according to demarcation signal source device each signal transmitting position
Degree calculates the single corresponding each signal in sensing station and emits position in conjunction with the practical longitude and latitude at lightning location system sensing station
Signal reception time average deviation, survey to station is sensed in lightning location system is completed according to signal reception time average deviation
The calibration of Shi Jingdu；
Calculate the signal reception time average deviation of the corresponding each signal transmitting position in single sensing station, comprising:
It is passed according to the practical longitude of demarcation signal source device each signal transmitting position and latitude and lightning location system
The earth spherical surface between demarcation signal source device and lightning location system sensing station is calculated in the practical longitude and latitude for feeling station
Distance ln；
According to lightning propagation velocity of electromagnetic wave v, and obtained earth spherical distance ln, obtain simulation thunder and lightning electromagnetic wave signal
From the true location point of transmitting signal to the theoretical time at the sensing station for needing to demarcate are as follows: T0=ln/v；
T is denoted as according to the caliberating device transmitting signal moment of global position system recordxAnd theoretical time T0, determine sensing
It is T that station, which receives signal time,n=Tx+T0；
It is denoted as t respectively at the time of sensing station is an actually-received signaln_1、tn_2、…、tn_j, sensing station is calculated to this
Position emits the receiving time average deviation of signal, is denoted as Dn。
Direction finding precision demarcating module, by respectively being sensed based on station location according to each signal transmitting position and lightning location system
The signal incidence angle average deviation of the corresponding each signal transmitting position in single sensing station is calculated, it is complete according to signal incidence angle average deviation
The calibration of the direction finding precision at station is sensed in pairs of lightning location system；
In direction finding precision demarcating module, the signal incidence angle for calculating the corresponding each signal transmitting position in single sensing station is average
Deviation, comprising:
Emit position according to signal and sensor position calculates to obtain simulation thunder and lightning electromagnetic wave signal from each transmitting signal
True location point to need demarcate sensing station incident orientation angle be θn；Each transmitting location point of corresponding signal source, passes
The incidence angle that sense station is an actually-received signal is denoted as respectively: αn_1、αn_2、…、αn_j；According to θnAnd αn_1、αn_2、…、αn_jIt calculates
Sensing station receives the incidence angle average deviation of signal, is denoted as ωn。
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Claims (16)
1. a kind of method for demarcating lightning location system performance parameter, which comprises the following steps:
1) in the region that lightning location system can cover, overall region is divided into the net region that sizing grid is p × q,
Wherein, p, q are the side length of grid；
The running track that demarcation signal source device is planned on the net region of division, makes demarcation signal source device along planning
It advances track；
The demarcation signal source device is used to send the electromagnetic wave information of simulation thunder and lightning, and records the time for sending electromagnetic wave information
Point and position；
2) lightning location system is received by demarcation signal source device in the route traveling process along planning, in the preset time
The electromagnetic wave information for the simulation thunder and lightning that point or position are sent, and electromagnetic wave information calculates lightning location system to every based on the received
The deviations and detection efficient of a signal transmitting position；
3) according to lightning location system is calculated to the deviations and detection efficient of each signal transmitting position, thunder and lightning is determined
The positioning accuracy and detection efficient of position system are demarcated；
4) it according to the practical longitude and latitude of demarcation signal source device each signal transmitting position, is sensed in conjunction with lightning location system
The practical longitude and latitude stood calculate the signal reception time average deviation of the corresponding each signal transmitting position in single sensing station,
The calibration to the time difference method for sensing station in lightning location system is completed according to signal reception time average deviation；
5) position is emitted according to each signal and lightning location system respectively senses station location and calculates the single corresponding each letter in sensing station
The signal incidence angle average deviation of number transmitting position, is completed according to signal incidence angle average deviation to sensing in lightning location system
The calibration for the direction finding precision stood.
2. the method for calibration lightning location system performance parameter according to claim 1, which is characterized in that the step 1)
In, plan that the running track of demarcation signal source device is specific as follows on the net region of division: each according to lightning location system
Sensing station area defined, inwardly or outwardly respectively plan one with sensing station enclosed area spacing be set reference distance
Route, the running track of two planning as demarcation signal source device.
3. the method for calibration lightning location system performance parameter according to claim 2, which is characterized in that the step 1)
In, lightning location system respectively sense station surround region generation type it is as follows: by it is each it is adjacent two sensing station between line surround
Polygonal region.
4. the method for calibration lightning location system performance parameter according to claim 2, which is characterized in that the step 1)
Middle setting reference distance distance on the basis of the average value of every two neighboring sensors station spacing setting ratio.
5. the method for calibration lightning location system performance parameter according to claim 4, which is characterized in that the step 1)
In every two neighboring sensors station spacing setting ratio be 1/2,1/4,1/8 ... or 1/2n, wherein n is integer.
6. the method for calibration lightning location system performance parameter according to claim 1 or 2, which is characterized in that the step
It is rapid 2) in, calculate lightning location system to each signal transmitting position deviations and detection efficient, using following steps:
Demarcation signal source device sends simulation thunder and lightning in the route traveling process along planning, at preset time point or position
Electromagnetic wave information, j signal, wherein s round numbers, unit ns, j round numbers, and j >=1 are sent with time interval s every time；
Electromagnetic wave information is received by the sensing station of lightning location system and signal source is positioned；
Emit the physical location of signal and the simulation thunder and lightning signal generation of lightning location system record according to demarcation signal source device
Lightning location system is calculated to the deviations of each signal transmitting position in position；
According to the thunder and lightning frequency being recorded and calibration of the position of demarcation signal source device and the position lightning location system
Lightning location system is calculated to the detection efficient of the position in the practical transmission electromagnetic wave number of signal source device.
7. the method for calibration lightning location system performance parameter according to claim 1 or 2, which is characterized in that the step
It is rapid 4) in, calculate the signal reception time average deviation of the corresponding each signal transmitting position in single sensing station, using following steps:
According to the practical longitude of demarcation signal source device each signal transmitting position and latitude and lightning location system sensing station
Practical longitude and latitude, be calculated demarcation signal source device and lightning location system sensing station between earth spherical distance
ln；
According to lightning propagation velocity of electromagnetic wave v, and obtained earth spherical distance ln, simulation thunder and lightning electromagnetic wave signal is obtained from hair
The true location point of signal is penetrated to the theoretical time at the sensing station for needing to demarcate are as follows: T0=ln/v；
T is denoted as according to the caliberating device transmitting signal moment of global position system recordxAnd theoretical time T0, determine that sensing station connects
Receiving signal time is Tn=Tx+T0；
It is denoted as t respectively at the time of sensing station is an actually-received signaln_1、tn_2、…、tn_j, sensing station is calculated to the position
The receiving time average deviation for emitting signal, is denoted as Dn。
8. the method for calibration lightning location system performance parameter according to claim 1 or 2, which is characterized in that the step
It is rapid 5) in, calculate the signal incidence angle average deviation of the corresponding each signal transmitting position in single sensing station, comprising:
Emit position according to signal and sensor position calculates to obtain reality of the simulation thunder and lightning electromagnetic wave signal from each transmitting signal
The incident orientation angle at border location point to the sensing station for needing to demarcate is θn；Each transmitting location point of corresponding signal source, sensing station
The incidence angle for being an actually-received signal is denoted as respectively: αn_1、αn_2、…、αn_j；According to θnAnd αn_1、αn_2、…、αn_jCalculate sensing
It stands and receives the incidence angle average deviation of signal, be denoted as ωn。
9. a kind of device for demarcating lightning location system performance parameter characterized by comprising
Running track planning module, for planning the fortune of demarcation signal source device in the region that lightning location system can cover
Row track；
It is specific as follows: in the region that lightning location system can cover, overall region being divided into the net that sizing grid is p × q
Lattice region, wherein p, q are the side length of grid；
The running track that demarcation signal source device is planned on the net region of division, makes demarcation signal source device along planning
It advances track；
The demarcation signal source device is used to send the electromagnetic wave information of simulation thunder and lightning, and records the time for sending electromagnetic wave information
Point and position；
Deviations and detection efficient computing module, for receiving by demarcation signal source device in lightning location system along rule
In the route traveling process drawn, in the electromagnetic wave information for the simulation thunder and lightning that preset time point or position send, and according to reception
Electromagnetic wave information calculate lightning location system to each signal transmitting position deviations and detection efficient；
Positioning accuracy and detection efficient demarcating module are calculated lightning location system for basis and emit position to each signal
Deviations and detection efficient, positioning accuracy and detection efficient to lightning location system demarcate；
Time difference method demarcating module, for emitting the practical longitude and latitude of position according to each signal of demarcation signal source device,
In conjunction with the practical longitude and latitude at lightning location system sensing station, the letter of the corresponding each signal transmitting position in single sensing station is calculated
Number receiving time average deviation, essence when being completed according to signal reception time average deviation to the survey for sensing station in lightning location system
The calibration of degree；
Direction finding precision demarcating module calculates list for respectively sensing station location according to each signal transmitting position and lightning location system
The signal incidence angle average deviation of a corresponding each signal transmitting position in sensing station, according to the completion pair of signal incidence angle average deviation
The calibration of the direction finding precision at station is sensed in lightning location system.
10. the device of calibration lightning location system performance parameter according to claim 9, which is characterized in that the operation
In trajectory planning module, plan that the running track of demarcation signal source device is specific as follows on the net region of division: according to thunder
Electric positioning system respectively senses station area defined, inwardly or outwardly plans that one is stood enclosed area spacing with sensing to set respectively
The route for determining reference distance, the running track of two planning as demarcation signal source device.
11. the device of calibration lightning location system performance parameter according to claim 10, which is characterized in that the operation
In trajectory planning module, lightning location system respectively sense station surround region generation type it is as follows: by each adjacent two sensing station
Between line surround polygonal region.
12. the device of calibration lightning location system performance parameter according to claim 10, which is characterized in that the operation
Reference distance distance on the basis of the average value of every two neighboring sensors station spacing setting ratio is set in trajectory planning module.
13. the device of calibration lightning location system performance parameter according to claim 12, which is characterized in that the operation
In trajectory planning module every two neighboring sensors station spacing setting ratio be 1/2,1/4,1/8 ... or 1/2n, wherein n is integer.
14. the device of calibration lightning location system performance parameter according to claim 9 or 10, which is characterized in that described
In deviations and detection efficient computing module, deviations and spy of the lightning location system to each signal transmitting position are calculated
Survey efficiency, comprising:
Demarcation signal source device sends simulation thunder and lightning in the route traveling process along planning, at preset time point or position
Electromagnetic wave information, j signal, wherein s round numbers, unit ns, j round numbers, and j >=1 are sent with time interval s every time；
Electromagnetic wave information is received by the sensing station of lightning location system and signal source is positioned；
Emit the physical location of signal and the simulation thunder and lightning signal generation of lightning location system record according to demarcation signal source device
Lightning location system is calculated to the deviations of each signal transmitting position in position；
According to the thunder and lightning frequency being recorded and calibration of the position of demarcation signal source device and the position lightning location system
Lightning location system is calculated to the detection efficient of the position in the practical transmission electromagnetic wave number of signal source device.
15. the device of calibration lightning location system performance parameter according to claim 9 or 10, which is characterized in that described
In time difference method demarcating module, the signal reception time average deviation of the corresponding each signal transmitting position in single sensing station is calculated,
Include:
According to the practical longitude of demarcation signal source device each signal transmitting position and latitude and lightning location system sensing station
Practical longitude and latitude, be calculated demarcation signal source device and lightning location system sensing station between earth spherical distance
ln；
According to lightning propagation velocity of electromagnetic wave v, and obtained earth spherical distance ln, simulation thunder and lightning electromagnetic wave signal is obtained from hair
The true location point of signal is penetrated to the theoretical time at the sensing station for needing to demarcate are as follows: T0=ln/v；
T is denoted as according to the caliberating device transmitting signal moment of global position system recordxAnd theoretical time T0, determine that sensing station connects
Receiving signal time is Tn=Tx+T0；
It is denoted as t respectively at the time of sensing station is an actually-received signaln_1、tn_2、…、tn_j, sensing station is calculated to the position
The receiving time average deviation for emitting signal, is denoted as Dn。
16. the device of calibration lightning location system performance parameter according to claim 9 or 10, which is characterized in that described
In direction finding precision demarcating module, the signal incidence angle average deviation of the corresponding each signal transmitting position in single sensing station, packet are calculated
It includes:
Emit position according to signal and sensor position calculates to obtain reality of the simulation thunder and lightning electromagnetic wave signal from each transmitting signal
The incident orientation angle at border location point to the sensing station for needing to demarcate is θn；Each transmitting location point of corresponding signal source, sensing station
The incidence angle for being an actually-received signal is denoted as respectively: αn_1、αn_2、…、αn_j；According to θnAnd αn_1、αn_2、…、αn_jCalculate sensing
It stands and receives the incidence angle average deviation of signal, be denoted as ωn。
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