CN107450076A - The collaboration networking measuring method and device of cloud detection radar - Google Patents
The collaboration networking measuring method and device of cloud detection radar Download PDFInfo
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- CN107450076A CN107450076A CN201710592438.7A CN201710592438A CN107450076A CN 107450076 A CN107450076 A CN 107450076A CN 201710592438 A CN201710592438 A CN 201710592438A CN 107450076 A CN107450076 A CN 107450076A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/95—Radar or analogous systems specially adapted for specific applications for meteorological use
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The embodiment of the present invention provides a kind of the collaboration networking measuring method and device of cloud detection radar.Method includes：The cloud detection radar regarded altogether to same sexual intercourse target to n sends corresponding waveform control parameters, so that cloud detection radar carries out detection to sexual intercourse target and obtained to be used to describing the first meteorological datas of echo character；The first meteorological datas for receiving that each cloud detection radar sends；The first meteorological datas that each cloud detection radar is sent carry out data fusion in space coordinates, obtain the second meteorological datas；Secondary meteorological data for describing the sexual intercourse target sexual intercourse characteristic is obtained according to the second meteorological datas.Same sexual intercourse target cooperative networking is measured by multiple cloud detection radars, the requirement to single portion's cloud detection radar transmission power is reduced, improves measuring accuracy and reduce measurement cost.
Description
Technical field
The present invention relates to the collaboration networking measuring method and device in meteorological observation field, more particularly to a kind of cloud detection radar.
Background technology
The sky of earth surface about more than 50% is followed by cloud cover, cloud in atmospheric energy distribution, especially radiation transmission, water
Very important effect is played in loop system.In the earth-Atmosphere System, cloud is in the form of discharging latent heat to Atmospheric Transportation heat
Amount, its solid-state moisture contained, aqueous water not only result in natural precipitation, produce significant impact to weather and weather, together
When be also weather modification most important object, therefore, to cloud, rain distribution, the observation of characteristic and its evolution motion process and
Research is as one of focus of atmospheric science research, in cloud physics research, weather modification, climate change detection and aviation
The fields such as space flight are significant.
At present, the observation to sexual intercourse target generally uses Radar Technology.The monitoring of single portion's radar and pre-alerting ability generally have
Limit, in order to obtain the measurement parameter of sexual intercourse target, then need to improve the requirement of transmit power of radar etc. aspect, cause survey
Measure that accuracy is low and the problem of cost is high.
The content of the invention
In order to solve problems of the prior art, the embodiment of the present invention provides a kind of cloud detection radar collaboration networking measurement
Method and device.
On the one hand, the embodiment of the present invention provides a kind of cloud detection radar collaboration networking measuring method, including：
The cloud detection radar regarded altogether to same sexual intercourse target to n sends corresponding waveform control parameter, for cloud detection radar
Carry out detection to sexual intercourse target and obtain to be used for the first meteorological datas for describing echo character；
The first meteorological datas for receiving that each cloud detection radar sends；
The first meteorological datas that each cloud detection radar is sent carry out data fusion in space coordinates, obtain second
Meteorological data；
Secondary meteorological number for describing the sexual intercourse target sexual intercourse characteristic is obtained according to the second meteorological datas
According to.
On the other hand, the embodiment of the present invention provides a kind of cloud detection radar collaboration networking measurement apparatus, including：
Transmitting element, for sending corresponding waveform control parameter to the n cloud detection radars regarded altogether to same sexual intercourse target,
So that cloud detection radar carries out detection to sexual intercourse target and obtained to be used for the first meteorological datas for describing echo character；
Receiving unit, for the first meteorological datas for receiving that each cloud detection radar sends；
First processing units, the first meteorological datas for each cloud detection radar to be sent are carried out in space coordinates
Data fusion, obtain the second meteorological datas；
Second processing unit, for obtaining being used to describe the sexual intercourse target sexual intercourse according to the second meteorological datas
The secondary meteorological data of characteristic.
Cloud detection radar provided in an embodiment of the present invention collaboration networking measuring method and device, by multiple to same sexual intercourse
Cloud detection radar that target regards altogether sends corresponding waveform control parameter, and being used for of obtaining that each cloud detection radar sends describes echo character
The first meteorological datas, the first meteorological datas that each cloud detection radar is sent carry out data in space coordinates and melt
Close, obtain the second meteorological datas, and obtained according to the second meteorological datas for describing sexual intercourse target sexual intercourse characteristic
Secondary meteorological data.Same sexual intercourse target cooperative networking is measured by multiple cloud detection radars, reduced to single portion's cloud detection radar
The requirement of transmission power, improve measuring accuracy and reduce measurement cost.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is that cloud detection radar provided in an embodiment of the present invention cooperates with networking measuring method schematic flow sheet；
Fig. 2 is that cloud detection radar provided in an embodiment of the present invention cooperates with networking measurement apparatus structural representation.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 is that cloud detection radar provided in an embodiment of the present invention cooperates with networking measuring method schematic flow sheet, as shown in figure 1,
Method includes：
Step 10, to the cloud detection radars that n is regarded altogether to same sexual intercourse target corresponding waveform control parameters are sent, for surveying
Cloud radar carries out detection to sexual intercourse target and obtained to be used for the first meteorological datas for describing echo character；
Step 20, receive that each cloud detection radar sends a first time meteorological data；
Step 30, the first meteorological datas for sending each cloud detection radar carry out data fusion in space coordinates,
Obtain the second meteorological datas；
Step 40, obtained for describing the secondary of the sexual intercourse target sexual intercourse characteristic according to the second meteorological datas
Meteorological data.
It is real, it is necessary to adjust the scanning range and scan mode of radar when being detected using single portion's radar to sexual intercourse target
Larger frequency range and probability now are needed to the accurately detecting of sexual intercourse target.It is more using control centre's control in the embodiment of the present invention
Individual cloud detection radar detects to same sexual intercourse target, specifically：
Before collaboration networking measurement：Control centre sends control instruction to each cloud detection radar, adjusts each cloud detection radar
Antenna scanning scope and scan mode, each cloud detection radar is formed tested sexual intercourse target and regard altogether.Adjustment cloud detection radar antenna is swept
The method for retouching scope and scan mode is prior art, and here is omitted.
When cooperateing with networking measurement：
(1) control centre sends corresponding waveform control parameter to each cloud detection radar, and each cloud detection radar is according to receiving
Waveform control parameter transmission signal tested sexual intercourse target is observed.Cloud detection radar is by the echo-signal received
Reason, obtain the first meteorological datas for describing each point echo character in observation scope.
(2) the first meteorological datas that control centre receives that each cloud detection radar sends,
(3) the first meteorological datas of each cloud detection radar are merged in space coordinates, obtains second once
Meteorological data.
(4) the secondary meteorology for describing the sexual intercourse target sexual intercourse characteristic is obtained according to the second meteorological datas
Data.The method for obtaining secondary meteorological data using the second meteorological datas is prior art, and here is omitted.
Cloud detection radar provided in an embodiment of the present invention cooperates with networking measuring method, by being total to multiple to same sexual intercourse target
Depending on cloud detection radar send corresponding waveform control parameter, being used for of obtaining that each cloud detection radar sends describes the first of echo character
Meteorological data, the first meteorological datas that each cloud detection radar is sent carry out data fusion in space coordinates, obtained
The secondary gas for describing sexual intercourse target sexual intercourse characteristic is obtained to the second meteorological datas, and according to the second meteorological datas
Image data.Same sexual intercourse target cooperative networking is measured by multiple cloud detection radars, reduces and work(is launched to single portion's cloud detection radar
The requirement of rate, improve measuring accuracy and reduce measurement cost.
On the basis of above-described embodiment, further, the first meteorological datas are：Polar coordinates once meteorological number
According to；
Accordingly, the first meteorological datas that each cloud detection radar is sent carry out data in space coordinates and melted
Close, obtain the second meteorological datas, including：
The meteorological data { Ai } of polar coordinates and i-th of the geographical of cloud detection radar sent according to i-th of cloud detection radar is believed
Breath, the meteorological data { Bi } of space coordinates described meteorological data { Ai } of polar coordinates being encoded in space coordinates,
Wherein, i=1,2,3 ..., n；
Meteorological data { Bi } of space coordinates corresponding to each cloud detection radar is subjected to vector in the space coordinates
Weighting, obtain the second meteorological datas.
After cloud detection radar receives echo-signal, locally echo-signal is handled in cloud detection radar, detected
Meteorological data of the polar coordinates of each point in target zone, and meteorological data of polar coordinates that processing is obtained sends control to
Center.
After control centre receives meteorological data { Ai } of polar coordinates that each cloud detection radar is sent, with reference to control centre
The geography information of each cloud detection radar inside to prestore, meteorological data { Ai } of polar coordinates is encoded in the same space coordinate system
Meteorological data { Bi } of space coordinates；Referred to herein as geography information to represent the information in cloud detection radar geographical position, can be with
It is to be detected to obtain by the device such as automatic GPS on cloud detection radar and be sent to control centre or placing cloud detection radar
Shi Jinhang is recorded and is pre-stored in control centre, is not limited herein.
Each data are vector data in meteorological data { Bi } of obtained space coordinates, therefore, in space coordinates
It is middle that each vector data is subjected to similar weighting, a meteorological data after one group of weighting can be obtained, the referred to as second once gas
Image data；
Then the secondary meteorology for describing the sexual intercourse target sexual intercourse characteristic is obtained further according to the second meteorological datas
Data.
Echo-signal is polar coordinates in cloud detection radar processing locality by the method provided in the embodiment of the present invention, cloud detection radar
Meteorological data is simultaneously sent to control centre, and then control centre receives polar coordinates that each cloud detection radar is sent once meteorological number
According to meteorological data of polar coordinates is encoded into space coordinates one in space coordinates with reference to the geography information of each cloud detection radar
Secondary meteorological data, then each meteorological data vector weighting of space coordinates is obtained into the second meteorological datas, finally by second
Meteorological data changes into the secondary meteorological data that can describe sexual intercourse target sexual intercourse characteristic, will be each by the conversion of coordinate system
The testing result of cloud detection radar carries out data fusion, realizes the cooperative of multi-section cloud detection radar, improves measurement accuracy, drops
Low measurement cost.
On the basis of above-described embodiment, further, the first meteorological datas are：Space coordinates is once meteorological
Data；
Accordingly, the first meteorological datas that each cloud detection radar is sent carry out data in space coordinates and melted
Close, obtain the second meteorological datas, including：
Meteorological data { Bi } of space coordinates corresponding to each cloud detection radar is subjected to vector weighting in space coordinates,
Obtain the second meteorological datas.
Echo information processing can be meteorological data of polar coordinates, also after echo information is connected to by cloud detection radar
Meteorological data of polar coordinates locally can be encoded to by space coordinates according to the geography information of radar itself in cloud detection radar
Under meteorological data of space coordinates, meteorological data of space coordinates is then sent to control centre.
Meteorological data of space coordinates that control centre sends according to each cloud detection radar, by each survey in space coordinates
Meteorological data vector weighting of space coordinates that cloud radar is sent, the second meteorological datas are obtained, further according to second once
Meteorological data obtains secondary meteorological data.
The method provided in the embodiment of the present invention, cloud detection radar sit echo-signal in cloud detection radar processing locality for space
Meteorological data of mark is simultaneously sent to control centre, and then control centre receives space coordinates that each cloud detection radar is sent once gas
Image data, each meteorological data vector weighting of space coordinates is obtained into the second meteorological datas in space coordinates, most
The second meteorological datas, which are changed into, afterwards can describe the secondary meteorological data of sexual intercourse target sexual intercourse characteristic, pass through coordinate system
The testing result of each cloud detection radar is carried out data fusion by conversion, is realized the cooperative of multi-section cloud detection radar, is improved survey
Accuracy of measurement, reduce measurement cost.
On the basis of the various embodiments described above, further, the waveform control parameter includes：The waveform of i-th radar
Frequency range and waveform bandwidth, the waveform frequency scope of i-th radar is [f1+(i-1)×B-B/2,f1+(i-1)×B+
B/2]；Wherein, f1For the transmitted waveform centre frequency of first radar, B is transmitted waveform bandwidth, i=1,2,3 ..., n.
In order to expand measurement frequency scope, the method provided in the embodiment of the present invention, according to the quantity of cloud detection radar, to each
Cloud detection radar sends corresponding waveform control parameter；The waveform control parameter includes the waveform frequency model of i-th cloud detection radar
Enclose and waveform bandwidth.
Wherein, the waveform bandwidth B of each cloud detection radar is fixed value, is calculated according to the sum of cloud detection radar and measurement total bandwidth
Draw.The waveform frequency scope of each cloud detection radar is different, the numbering according to All Control Center to each cloud detection radar, if first survey
The transmitted waveform centre frequency of cloud radar is f1, then the waveform frequency scope of first cloud detection radar is [f1-B/2,f1+B/2]；
The waveform frequency scope of i-th cloud detection radar is [f1+(i-1)×B-B/2,f1+(i-1)×B+B/2]；The survey of n portions cloud detection radar
Amount frequency range is [f1-B/2,f1+(n-1)×B+B/2]。
Therefore, method provided in an embodiment of the present invention, using n portions cloud detection radar, the waveform bandwidth of every cloud detection radar is
B, the waveform bandwidth integrally measured are nB, and overall measurement frequency scope is [f1-B/2,f1+(n-1)×B+B/2]；Expand measurement
Frequency range, improves measurement accuracy, and the waveform bandwidth of every radar and frequency range are smaller, holistic cost with using single
Portion's cloud detection radar, which measures to compare, reduces many.
On the basis of the various embodiments described above, further, the second meteorological datas include：Echo strength, footpath
To speed, speed spectrum width and reflectance difference rate, difference travel phase shift, difference travel phase shift rate, coefficient correlation and linear
Depolarization ratio；The secondary meteorological data includes：Cloud field distribution, cloud water content, drop-size distribution distribution, cloud layer recognition and classification, cloud particle
Sub- phase identification, Liquid water content distribution, steam classification, average droplet size, instantaneous rate of rainall and unit volume Particle density.
Method provided in an embodiment of the present invention, multi-section cloud detection radar is controlled using control centre, is surveyed according to each cloud detection radar
Echo strength, radial velocity, speed spectrum width and reflectance difference rate, difference travel phase shift, the difference travel phase measured
The data such as shifting rate, coefficient correlation and linear depolarization ratio, obtain cloud field distribution, the Yun Shui for reflecting tested sexual intercourse target sexual intercourse situation
Content, drop-size distribution distribution, cloud layer recognition and classification, the identification of cloud particle phase, Liquid water content distribution, steam classification, average droplet
The data such as diameter, instantaneous rate of rainall and unit volume Particle density, improving measurement accuracy reduces measurement cost.
It is described as follows by taking a certain specific measurement process as an example：
N portions cloud detection radar is arranged in certain regional extent, by initially adjusting the scanning center of each radar antenna, makes its right
Previously selected sexual intercourse target area regards altogether.N portions cloud detection radar is interconnected by high-speed communicating network, and is commonly connected to a control
Center.
At certain moment, user assigns start-up operation order, and control centre is respectively by the waveform control parameter of each cloud detection radar
Sent by communication network to each radar end, wherein, the transmitted waveform centre frequency of first cloud detection radar is f1, first survey
The waveform frequency scope of cloud radar isThe waveform frequency scope of i-th cloud detection radar is [f1+(i-1)×
B-B/2,f1+(i-1)×B+B/2]。
Each radar according to scheduled timing and antenna scanning mode start to altogether depending on sexual intercourse target area be observed and adopt
Collect meteorological data, each cloud detection radar collects one group the 1st on the polar coordinate system grid centered on its own
Secondary meteorological data, these the first meteorological datas include returning for the sexual intercourse target that current cloud detection radar itself observation collects
Intensity of wave, radial velocity, speed spectrum width and reflectance difference rate, difference travel phase shift, difference travel phase shift rate, phase relation
The data such as number and linear depolarization ratio, for example, the meteorological data of polar coordinates obtained with i-th cloud detection radar of { Ai } expression,
Then n portions radar obtains { A1 } altogether, { A2 } ..., { An }.
Then, meteorological data of polar coordinates that each radar respectively obtains itself is sent to control centre, control centre
Receiving { A2 } ..., after meteorological data of { An } common n groups, with reference to the geography of each cloud detection radar to be prestored in control centre
Information, by each polar coordinates one in the same space coordinate system (the geospatial coordinates system as used longitude-dimension-height)
Secondary meteorological data { Ai } is encoded to meteorological data { Bi } of space coordinates, and { B1 } is obtained, { B2 } ..., { Bn } common n groups data
The vector data of composition.
Then, each vector data is subjected to similar weighting in space coordinates, can obtained after one group of weighting once
Meteorological data, referred to as the second meteorological datas.Described the second meteorological datas are then the clouds under space coordinates
Echo strength, radial velocity, speed spectrum width and reflectance difference rate, difference travel phase shift, the difference travel phase of rain target
The data such as shifting rate, coefficient correlation and linear depolarization ratio.
Finally, the secondary gas for describing the sexual intercourse target sexual intercourse characteristic is obtained according to the second meteorological datas
Cloud field distribution, cloud water content, drop-size distribution distribution, cloud layer recognition and the classification of the tested sexual intercourse target sexual intercourse situation of image data, i.e. reflection,
The identification of cloud particle phase, Liquid water content distribution, steam classification, average droplet size, instantaneous rate of rainall and unit bodies product are dense
The data such as degree.
Fig. 2 is that cloud detection radar provided in an embodiment of the present invention cooperates with networking measurement apparatus structural representation, as shown in Fig. 2
Device includes：Transmitting element 1, receiving unit 2, first processing units 3 and second processing unit 4；Wherein transmitting element 1 be used for
The n cloud detection radars regarded altogether to same sexual intercourse target send corresponding waveform control parameter, so that cloud detection radar is to sexual intercourse target
Carry out detection and obtain to be used for the first meteorological datas for describing echo character；Receiving unit 2 is used to receive each cloud detection radar hair
The first meteorological datas sent；The first meteorological datas that first processing units 3 are used to send each cloud detection radar are in sky
Between data fusion is carried out in coordinate system, obtain the second meteorological datas；Second processing unit 4 is used for according to described second once
Meteorological data obtains the secondary meteorological data for describing the sexual intercourse target sexual intercourse characteristic.
It is real, it is necessary to adjust the scanning range and scan mode of radar when being detected using single portion's radar to sexual intercourse target
Larger frequency range and probability now are needed to the accurately detecting of sexual intercourse target.It is more using control centre's control in the embodiment of the present invention
Individual cloud detection radar detects to same sexual intercourse target, specifically：
Before collaboration networking measurement：Control centre sends control instruction to each cloud detection radar, adjusts each cloud detection radar
Antenna scanning scope and scan mode, each cloud detection radar is formed tested sexual intercourse target and regard altogether.Adjustment cloud detection radar antenna is swept
The method for retouching scope and scan mode is prior art, and here is omitted.
When cooperateing with networking measurement：
(1) transmitting element 1 sends corresponding waveform control parameter to each cloud detection radar, and each cloud detection radar is according to receiving
Waveform control parameter transmission signal tested sexual intercourse target is observed.Cloud detection radar is by the echo-signal received
Reason, obtain the first meteorological datas for describing each point echo character in observation scope.
(2) the first meteorological datas that receiving unit 2 receives that each cloud detection radar sends.
(3) first processing units 3 are merged the first meteorological datas of each cloud detection radar in space coordinates,
Obtain the second meteorological datas.
(4) second processing unit 4 obtains being used to describe the sexual intercourse target sexual intercourse according to the second meteorological datas
The secondary meteorological data of characteristic.The method for obtaining secondary meteorological data using the second meteorological datas is prior art, herein
Repeat no more.
Cloud detection radar provided in an embodiment of the present invention cooperates with networking measurement apparatus, by transmitting element 1 to multiple to same
The cloud detection radar that sexual intercourse target regards altogether sends corresponding waveform control parameter, and receiving unit 2 obtains the use that each cloud detection radar is sent
In the first meteorological datas of description echo character, the first meteorological datas that each cloud detection radar is sent are in space coordinates
Data fusion is carried out in system, obtains the second meteorological datas, and is obtained by second processing unit 4 according to the second meteorological datas
To the secondary meteorological data for describing sexual intercourse target sexual intercourse characteristic.By multiple cloud detection radars to same sexual intercourse target cooperative group
Net measurement, reduces the requirement to single portion's cloud detection radar transmission power, improves measuring accuracy and reduce measurement cost.
On the basis of above-described embodiment, further, the first meteorological datas are：Polar coordinates once meteorological number
According to；
Accordingly, the first processing units are used for：
The meteorological data { Ai } of polar coordinates and i-th of the geographical of cloud detection radar sent according to i-th of cloud detection radar is believed
Breath, the meteorological data { Bi } of a space coordinates meteorological data being encoded in space coordinates, wherein, i=1,
2,3 ..., n；
Meteorological data { Bi } of space coordinates corresponding to each cloud detection radar is subjected to vector in the space coordinates
Weighting, obtain the second meteorological datas.
After cloud detection radar receives echo-signal, locally echo-signal is handled in cloud detection radar, detected
Meteorological data of the polar coordinates of each point in target zone, and meteorological data of polar coordinates that processing is obtained sends control to
Center.
It is single by the first processing after receiving unit receives meteorological data { Ai } of polar coordinates that each cloud detection radar is sent
Member combines the geography information of each cloud detection radar to be prestored in control centre, in the same space coordinate system that polar coordinates are once meteorological
Data { Ai } are encoded to meteorological data { Bi } of space coordinates；Referred to herein as geography information to represent cloud detection radar geography position
The information put, can be detect to obtain by the device such as automatic GPS on cloud detection radar and be sent to control centre or
Recorded when placing cloud detection radar and be pre-stored in control centre, do not limited herein.
Each data are vector data in meteorological data { Bi } of obtained space coordinates, therefore, in space coordinates
It is middle that each vector data is subjected to similar weighting, a meteorological data after one group of weighting can be obtained, the referred to as second once gas
Image data；
Then second processing unit obtains being used for describing the sexual intercourse target sexual intercourse special further according to the second meteorological datas
The secondary meteorological data of property.
Echo-signal is polar coordinates in cloud detection radar processing locality by the device provided in the embodiment of the present invention, cloud detection radar
Meteorological data is simultaneously sent to control centre, and then the receiving unit of control centre receives the polar coordinates that each cloud detection radar is sent
Meteorological data, the geography information that first processing units combine each cloud detection radar sit meteorological data of polar coordinates in space
Meteorological data of space coordinates is encoded in mark system, then each meteorological data vector weighting of space coordinates is obtained the 2nd 1
Secondary meteorological data, the second last processing unit, which changes into the second meteorological datas, can describe sexual intercourse target sexual intercourse characteristic
Secondary meteorological data, the testing result of each cloud detection radar is carried out by data fusion by the conversion of coordinate system, realizes multi-section survey
The cooperative of cloud radar, improves measurement accuracy, reduces measurement cost.
On the basis of the various embodiments described above, further, the first meteorological datas are：Space coordinates once gas
Image data；
Accordingly, the first processing units are used for：
Meteorological data { Bi } of space coordinates corresponding to each cloud detection radar is subjected to vector weighting in space coordinates,
Obtain the second meteorological datas.
Echo information processing can be meteorological data of polar coordinates, also after echo information is connected to by cloud detection radar
Meteorological data of polar coordinates locally can be encoded to by space coordinates according to the geography information of radar itself in cloud detection radar
Under meteorological data of space coordinates, meteorological data of space coordinates is then sent to control centre.
Meteorological data of space coordinates that control centre's first processing units are sent according to each cloud detection radar, sat in space
Meteorological data vector weighting of space coordinates for sending each cloud detection radar in mark system, the second meteorological datas are obtained, then
By second processing unit secondary meteorological data is obtained according to the second meteorological datas.
The device provided in the embodiment of the present invention, cloud detection radar sit echo-signal in cloud detection radar processing locality for space
Meteorological data of mark is simultaneously sent to receiving unit, and then receiving unit receives space coordinates that each cloud detection radar is sent once gas
Each meteorological data vector weighting of space coordinates is obtained second once by image data, first processing units in space coordinates
Meteorological data, sexual intercourse target sexual intercourse characteristic can be described by finally being changed into the second meteorological datas by second processing unit
Secondary meteorological data, the testing result of each cloud detection radar is carried out by data fusion by the conversion of coordinate system, realizes multi-section survey
The cooperative of cloud radar, improves measurement accuracy, reduces measurement cost.
On the basis of the various embodiments described above, further, the waveform control parameter includes：The waveform of i-th radar
Frequency range and waveform bandwidth, the waveform frequency scope of i-th radar is [f1+(i-1)×B-B/2,f1+(i-1)×B+
B/2]；
Wherein, f1For the transmitted waveform centre frequency of first radar, B is transmitted waveform bandwidth, i=1,2,3 ..., n.
In order to expand measurement frequency scope, the device provided in the embodiment of the present invention, transmitting element is according to cloud detection radar
Quantity, corresponding waveform control parameter is sent to each cloud detection radar；The waveform control parameter includes the ripple of i-th cloud detection radar
Shape frequency range and waveform bandwidth.
Wherein, the waveform bandwidth B of each cloud detection radar is fixed value, is calculated according to the sum of cloud detection radar and measurement total bandwidth
Draw.The waveform frequency scope of each cloud detection radar is different, the numbering according to All Control Center to each cloud detection radar, if first survey
The transmitted waveform centre frequency of cloud radar is f1, then the waveform frequency scope of first cloud detection radar is [f1-B/2,f1+B/2]；
The waveform frequency scope of i-th cloud detection radar is [f1+(i-1)×B-B/2,f1+(i-1)×B+B/2]；The survey of n portions cloud detection radar
Amount frequency range is [f1-B/2,f1+(n-1)×B+B/2]。
The present embodiment is used to perform above-described embodiment methods described, and concrete function is referred to above method flow, herein
Repeat no more.
Therefore, device provided in an embodiment of the present invention, using n portions cloud detection radar, the waveform bandwidth of every cloud detection radar is
B, the waveform bandwidth integrally measured are nB, and overall measurement frequency scope is [f1-B/2,f1+(n-1)×B+B/2]；Expand measurement
Frequency range, improves measurement accuracy, and the waveform bandwidth of every radar and frequency range are smaller, holistic cost with using single
Portion's cloud detection radar, which measures to compare, reduces many.
Device embodiment described above is only schematical, wherein the unit illustrated as separating component can
To be or may not be physically separate, it can be as the part that unit is shown or may not be physics list
Member, you can with positioned at a place, or can also be distributed on multiple NEs.It can be selected according to the actual needs
In some or all of module realize the purpose of this embodiment scheme.Those of ordinary skill in the art are not paying creativeness
Work in the case of, you can to understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
Realized by the mode of software plus required general hardware platform, naturally it is also possible to which some functions are realized by hardware processor
Module.Based on such understanding, the part that above-mentioned technical proposal substantially contributes to prior art in other words can be with soft
The form of part product is embodied, and the computer software product can be stored in a computer-readable storage medium, such as ROM/
RAM, magnetic disc, CD etc., including some instructions to cause a computer equipment (can be personal computer, server, or
Person's network equipment etc.) perform method described in some parts of each embodiment or embodiment.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. a kind of cloud detection radar cooperates with networking measuring method, it is characterised in that including：
The cloud detection radar regarded altogether to same sexual intercourse target to n sends corresponding waveform control parameter, so that cloud detection radar is to cloud
Rain target carries out detection and obtained to be used for the first meteorological datas for describing echo character；
The first meteorological datas for receiving that each cloud detection radar sends；
The first meteorological datas that each cloud detection radar is sent carry out data fusion in space coordinates, obtain second once
Meteorological data；
Secondary meteorological data for describing the sexual intercourse target sexual intercourse characteristic is obtained according to the second meteorological datas.
2. according to the method for claim 1, it is characterised in that the first meteorological datas are：Polar coordinates once gas
Image data；
Accordingly, the first meteorological datas that each cloud detection radar is sent carry out data fusion in space coordinates,
The second meteorological datas are obtained, including：
The meteorological data { Ai } of polar coordinates sent according to i-th of cloud detection radar and the geography information of i-th of cloud detection radar, will
Described meteorological data { Ai } of polar coordinates is encoded to meteorological data { Bi } of space coordinates in space coordinates, wherein, i
=1,2,3 ..., n；
Meteorological data { Bi } of space coordinates corresponding to each cloud detection radar is subjected to vector weighting in the space coordinates,
Obtain the second meteorological datas.
3. according to the method for claim 1, it is characterised in that the first meteorological datas are：Space coordinates is once
Meteorological data；
Accordingly, the first meteorological datas that each cloud detection radar is sent carry out data fusion in space coordinates,
The second meteorological datas are obtained, including：
Meteorological data { Bi } of space coordinates corresponding to each cloud detection radar is subjected to vector weighting in space coordinates, obtained
The second meteorological datas.
4. according to the method for claim 1, it is characterised in that the waveform control parameter includes：The waveform of i-th radar
Frequency range and waveform bandwidth, the waveform frequency scope of i-th radar is [f1+(i-1)×B-B/2,f1+(i-1)×B+
B/2]；
Wherein, f1For the transmitted waveform centre frequency of first radar, B is transmitted waveform bandwidth, i=1,2,3 ..., n.
5. according to any described methods of claim 1-4, it is characterised in that the second meteorological datas include：Echo
Intensity, radial velocity, speed spectrum width and reflectance difference rate, difference travel phase shift, difference travel phase shift rate, coefficient correlation
With linear depolarization ratio.
6. according to any described methods of claim 1-4, it is characterised in that the secondary meteorological data includes：Cloud field distribution,
Cloud water content, drop-size distribution distribution, cloud layer recognition and classification, the identification of cloud particle phase, Liquid water content distribution, steam are classified, are average
Liquid-drop diameter, instantaneous rate of rainall and unit volume Particle density.
7. a kind of cloud detection radar cooperates with networking measurement apparatus, it is characterised in that including：
Transmitting element, for sending corresponding waveform control parameter to the n cloud detection radars regarded altogether to same sexual intercourse target, for
Cloud detection radar carries out detection to sexual intercourse target and obtained to be used for the first meteorological datas for describing echo character；
Receiving unit, for the first meteorological datas for receiving that each cloud detection radar sends；
First processing units, the first meteorological datas for each cloud detection radar to be sent carry out data in space coordinates
Fusion, obtain the second meteorological datas；
Second processing unit, for obtaining being used to describe the sexual intercourse target sexual intercourse characteristic according to the second meteorological datas
Secondary meteorological data.
8. device according to claim 7, it is characterised in that the first meteorological datas are：Polar coordinates once gas
Image data；
Accordingly, the first processing units are used for：
The meteorological data { Ai } of polar coordinates sent according to i-th of cloud detection radar and the geography information of i-th of cloud detection radar, will
Described meteorological data { Ai } of polar coordinates is encoded to meteorological data { Bi } of space coordinates in space coordinates, wherein, i
=1,2,3 ..., n；
Meteorological data { Bi } of space coordinates corresponding to each cloud detection radar is subjected to vector weighting in the space coordinates,
Obtain the second meteorological datas.
9. device according to claim 7, it is characterised in that the first meteorological datas are：Space coordinates is once
Meteorological data；
Accordingly, the first processing units are used for：
Meteorological data { Bi } of space coordinates corresponding to each cloud detection radar is subjected to vector weighting in space coordinates, obtained
The second meteorological datas.
10. device according to claim 7, it is characterised in that the waveform control parameter includes：The ripple of i-th radar
Shape frequency range and waveform bandwidth, the waveform frequency scope of i-th radar is [f1+(i-1)×B-B/2,f1+(i-1)×B
+B/2]；
Wherein, f1For the transmitted waveform centre frequency of first radar, B is transmitted waveform bandwidth, i=1,2,3 ..., n.
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