CN109597038A - A kind of the radar reflectivity factor correction method and system of dual polarization radar - Google Patents
A kind of the radar reflectivity factor correction method and system of dual polarization radar Download PDFInfo
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- CN109597038A CN109597038A CN201811518870.2A CN201811518870A CN109597038A CN 109597038 A CN109597038 A CN 109597038A CN 201811518870 A CN201811518870 A CN 201811518870A CN 109597038 A CN109597038 A CN 109597038A
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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
- G01S7/40—Means for monitoring or calibrating
- G01S7/4052—Means for monitoring or calibrating by simulation of echoes
- G01S7/4056—Means for monitoring or calibrating by simulation of echoes specially adapted to FMCW
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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
- G01S7/40—Means for monitoring or calibrating
- G01S7/4052—Means for monitoring or calibrating by simulation of echoes
- G01S7/4082—Means for monitoring or calibrating by simulation of echoes using externally generated reference signals, e.g. via remote reflector or transponder
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- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
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- Radar Systems Or Details Thereof (AREA)
Abstract
The present invention relates to the radar reflectivity factor correction methods and system of a kind of dual polarization radar, this method comprises: when getting the raindrop modal data of at least one raindrop spectrometer in multiple raindrop spectrometers provided around dual polarization radar, it determines at least one raindrop spectrometer there is precipitation, simulation inverting is scattered according to raindrop modal data and obtains radar polarization parameter；A is fitted according to radar polarization parameterH‑KDPAnd AH‑ZHRelationship obtains the parameter of dual polarization radar location；Revised radar reflectivity factor is obtained according to parameter, the observation of radar polarization parameter and preset algorithm, so as to the different precipitation process based on different regions, realizes that radar reflectivity factor decaying is corrected and is corrected with partial occlusion.
Description
Technical field
The present invention relates to atmospheric science technical fields more particularly to a kind of radar reflectivity factor of dual polarization radar to correct
Method and system.
Background technique
In order to guarantee the accuracy of radar detection, before quantitative use Radar Data, need to carry out main error source
Accurate estimation.When electromagnetic wave is in precipitation Propagation, electromagnetic intensity reduces with the increase of distance, i.e. rain cause declines
Subtract.The decaying of rain belt has usually seriously affected radar reflectivity factor ZHMeteorological explain.When frequency is larger, such as C-band,
X-band, attenuation problem are just more prominent, it is necessary to effectively be corrected, even if there is also certain to decline in 3GHz (S-band)
Subtract.
In decaying correction method research, due to the influence of the factors such as raindrop size distribution, temperature, shape of particle, area, AH-KDP
And AH-ZHThe index variation of relationship is bigger.Using fixed coefficient, it is difficult to the different precipitation process of different regions is complied fully with,
There can be biggish error.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of radar of dual polarization radar
Reflectivity factor correction method and system.
The technical scheme to solve the above technical problems is that a kind of radar reflectivity factor of dual polarization radar is ordered
Correction method, comprising:
When the raindrop size distribution for getting at least one raindrop spectrometer in multiple raindrop spectrometers provided around dual polarization radar
When data, determine at least one described raindrop spectrometer there is precipitation；
Simulation inverting, which is scattered, according to the raindrop modal data obtains radar polarization parameter；
A is fitted according to the radar polarization parameterH-KDPAnd AH-ZHRelationship is obtained for the dual polarization radar location
The parameter in domain；
Revised radar reflectivity is calculated according to the parameter, the observation of radar polarization parameter and preset algorithm
The factor.
The beneficial effects of the present invention are: whether collecting raindrop size distribution by the raindrop spectrometer being arranged in around dual polarization radar
Data judge whether raindrop spectrometer region has precipitation, when judging result, which is, precipitation, are carried out according to raindrop modal datas
Scattering analogue inverting obtains radar polarization parameter, and then is fitted and obtains the parameter for dual polarization radar location, and according to
The observation and preset algorithm of obtained parameter, radar polarization parameter correct radar reflectivity factor, so as to base
Different precipitation process in different regions is realized that the decaying of radar reflectivity factor is corrected and is corrected with partial occlusion, and error is reduced,
Ensure the validity of Radar Data.
Based on the above technical solution, the present invention can also be improved as follows.
Further, described that A is fitted according to the radar polarization parameterH-KDPAnd AH-ZHRelationship is obtained for target area
Parameter, comprising:
It is fitted to obtain the parameter by least square method.
Further, it is fitted to obtain the parameter by least square method, comprising:
A is fitted according to following equation (1) and (2)H-KDPRelationship and AH-ZHRelationship obtains the parameter alpha, a and b,
AH(r)=α KDP(r) (1),
AH(r)=aZH(r)b(2),
Wherein, AHIt (r) is attenuation rate, KDP(r) for than difference travel phase shift, ZHIt (r) is the radar reflection without overdamping
The rate factor, i.e. true value, unit are as follows: mm6m-3, r is the distance away from the dual polarization radar.
Beneficial effect using above-mentioned further scheme is: because parameter alpha, a and b be by many Effects of Factors, different regions,
Different precipitation process is all different, so pass through the raindrop modal data scattering analogue radar polarization parameter of real-time measurement and be fitted,
To obtain having more regional specific aim and Precipitation Process targetedly parameter alpha, a and b, error is corrected to reduce.
Further, it is calculated according to the parameter, the observation of radar polarization parameter and preset algorithm revised
Radar reflectivity factor, comprising:
Algorithm and parameter alpha and b are corrected according to ZPHI precipitation profiles, attenuation rate A is calculated in (3) according to the following formulaH
(r),
Wherein,C (b, PIA)=
100.1bPIA- 1, PIA=α Δ φDP, PIA is path attenuation, ΦDPFor difference travel phase shift, and radar polarization parameter ZH′(r)、
ZH' (s) and ΦDPIt is observation；
According to the parameter a and b and attenuation rate A being calculatedH(r), it is calculated according to the formula (2) revised
Radar reflectivity factor ZH(r)。
Beneficial effect using above-mentioned further scheme is: using the parameter a and b and attenuation rate A being calculatedH(r),
Revised radar reflectivity factor Z is calculatedH(r), can carry out decaying correct while, carry out partial occlusion order
Just.
Further, further includes:
When the raindrop size distribution that any one raindrop spectrometer in multiple raindrop spectrometers provided around dual polarization radar has not been obtained
When data, determine at the multiple raindrop spectrometer without precipitation, and the parameter is determined as default value.
Beneficial effect using above-mentioned further scheme is: by the raindrop spectrometer that is arranged in around dual polarization radar whether
Raindrop modal data is collected to judge whether raindrop spectrometer region has precipitation, when judging result is no precipitation, according to ginseng
The observation and preset algorithm of several priori value, radar polarization parameter correct radar reflectivity factor, realize that radar is anti-
The decaying for penetrating the rate factor is corrected to be corrected with partial occlusion, so that it is guaranteed that the validity of Radar Data.
The another technical solution that the present invention solves above-mentioned technical problem is as follows: a kind of radar reflectivity of dual polarization radar
The factor corrects device, comprising:
Memory, for storing computer program；
Processor realizes the thunder of dual polarization radar as described in the above technical scheme for executing the computer program
Up to reflectivity factor correction method.
The another technical solution that the present invention solves above-mentioned technical problem is as follows: a kind of radar reflectivity of dual polarization radar
The factor corrects system, comprising:
Dual polarization radar described in dual polarization radar and multiple raindrop spectrometers provided around it and above-mentioned technical proposal
Radar reflectivity factor correct device, wherein
Each raindrop spectrometer is transferred to institute for acquiring raindrop modal data, and by the raindrop modal data of acquisition
It states radar reflectivity factor and corrects device；
The dual polarization radar, for correcting the observation of device transmission radar polarization parameter to the radar reflectivity factor
Value；
The radar reflectivity factor corrects device, for the observation according to the raindrop modal data and radar polarization parameter
Value, is calculated revised radar reflectivity factor.
The beneficial effects of the present invention are: whether collecting raindrop size distribution by the raindrop spectrometer being arranged in around dual polarization radar
Data judge whether raindrop spectrometer region has precipitation, when judging result, which is, precipitation, are carried out according to raindrop modal datas
Scattering analogue inverting obtains radar polarization parameter, and then is fitted and obtains the parameter for dual polarization radar location, and according to
The observation and preset algorithm of obtained parameter, radar polarization parameter correct radar reflectivity factor, so as to base
Different precipitation process in different regions is realized that the decaying of radar reflectivity factor is corrected and is corrected with partial occlusion, and error is reduced,
Ensure the validity of Radar Data.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the dual polarization radar is the dual polarization radar long suitable for various wavelength and various libraries.
Further, the quantity of the multiple raindrop spectrometer is greater than 3.
The another technical solution that the present invention solves above-mentioned technical problem is as follows: a kind of storage medium, the storage medium
In be stored with instruction, when computer reads described instruction, make the computer execute it is as described in the above technical scheme it is double partially
The radar reflectivity factor correction method of vibration radar.
The additional aspect of the present invention and its advantages of will be set forth in part in the description, partially will be from following description
In become obvious, or practice is recognized through the invention.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to the embodiment of the present invention or the prior art
Attached drawing needed in description is briefly described, it should be apparent that, drawings described below is only of the invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is that a kind of process of the radar reflectivity factor correction method of dual polarization radar provided in an embodiment of the present invention is shown
It is intended to；
Fig. 2 be another embodiment of the present invention provides a kind of dual polarization radar radar reflectivity factor correction method stream
Journey schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is a part of the embodiments of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, those of ordinary skill in the art's every other reality obtained without making creative work
Example is applied, all should belong to the scope of protection of the invention.
Present inventor is in decaying correction method research, it was found that: landform (such as high mountain), building, trees
Some or all of radar ray will be caused to block, this will limit the effective coverage range of Radar Data, will also result in radar
There is deviation in parameter.Low elevation angle Radar Data can provide highly useful information, but radar ray for accurate estimation surface precipitation
Some or all of block the data of partial region caused to lack, will limit effective use of low elevation angle Radar Data.Therefore, originally
It in inventive embodiments except carrying out decaying to radar reflectivity factor ZH and correcting, while carrying out partial occlusion and correcting, to have
Help more efficiently use Radar Data.
A kind of radar reflectivity factor correction method 100 of dual polarization radar as shown in Figure 1, comprising:
110, when the rain for getting at least one raindrop spectrometer in multiple raindrop spectrometers provided around dual polarization radar
When drop-size distribution data, determine at least one raindrop spectrometer there is precipitation；
120, simulation inverting is scattered according to raindrop modal data and obtains radar polarization parameter；
130, A is fitted according to radar polarization parameterH-KDPAnd AH-ZHRelationship is obtained for dual polarization radar location
Parameter；
140, according to parameter, the observation and preset algorithm of radar polarization parameter, revised radar reflection is calculated
The rate factor.
Specifically, in this embodiment, radar polarization parameter includes: attenuation rate AH, than difference travel phase shift KDPWith without
The radar reflectivity factor Z of overdampingH, wherein ZHUnit are as follows: mm6m-3。
In step 130, it can be fitted to obtain parameter alpha, a and b by least square method, it can be according to following equation (1)
(2) it is fitted AH-KDPRelationship and AH-ZHRelationship obtains parameter a, a and b,
AH(r)=α KDP(r) (1),
AH(r)=aZH(r)b(2),
Wherein, AHIt (r) is attenuation rate, KDP(r) for than difference travel phase shift, ZHIt (r) is the radar reflection without overdamping
The rate factor, i.e. true value, r are the distance away from dual polarization radar.
As shown in Fig. 2, step 140 is specifically as follows:
141, algorithm and parameter alpha and b are corrected according to the ZPHI precipitation profiles that Testud is proposed, (3) are counted according to the following formula
Calculation obtains attenuation rate AH(r),
Wherein,C (b, PIA)=
100.1bPIA- 1, PIA=α ΔΦDP, PIA is path attenuation, ΦDPFor difference travel phase shift, and radar polarization parameter ZH′(r)、
ZH' (s) and ΦDPIt is observation.
142, according to the parameter a and b and attenuation rate A being calculatedH(r), it is calculated and corrects according to above-mentioned formula (2)
Radar reflectivity factor Z afterwardsH(r)。
The radar reflectivity factor correction method of a kind of dual polarization radar provided in above-described embodiment: by being arranged double
Whether the raindrop spectrometer around polarimetric radar collects raindrop modal data to judge whether raindrop spectrometer region has precipitation, when
Judging result is to be scattered simulation inverting when having precipitation according to raindrop modal data and obtain radar polarization parameter, and then be fitted
To the parameter for being directed to dual polarization radar location, and according to the observation of obtained parameter, radar polarization parameter and pre- imputation
Method corrects radar reflectivity factor, so as to the different precipitation process based on different regions, realizes radar reflectivity
The decaying of the factor is corrected to be corrected with partial occlusion, reduces error, it is ensured that the validity of Radar Data.
Optionally, in one embodiment, as shown in Fig. 2, method 100 can also include:
150, when the rain that any one raindrop spectrometer in multiple raindrop spectrometers provided around dual polarization radar has not been obtained
When drop-size distribution data, determines at multiple raindrop spectrometers without precipitation, and by parameter and be determined as default value.
Specifically, in this embodiment, then in the calculating process of step 140, parameter alpha, a and the b used is using first
Empirical value as default fixed value, attenuation rate A is calculatedH(r) and revised radar reflectivity factor ZH(r)。
That is, when the raindrop spectrometer being arranged in around dual polarization radar does not collect raindrop modal data, judgement
As a result for raindrop spectrometer region without precipitation, at this moment can according to the priori value of parameter, the observation of radar polarization parameter and
Preset algorithm corrects radar reflectivity factor, realizes that the decaying of radar reflectivity factor is corrected and corrects with partial occlusion,
So that it is guaranteed that the validity of Radar Data.
It should be understood that magnitude of the sequence numbers of the above procedures are not meant to execute in the various embodiments described above of the invention
Sequence it is successive, the execution of each process sequence should be determined by its function and internal logic, the reality without coping with the embodiment of the present invention
It applies process and constitutes any restriction.
Above in association with Fig. 1 and Fig. 2, a kind of radar reflectivity factor of dual polarization radar provided in an embodiment of the present invention is ordered
Correction method is described in detail, below to a kind of radar reflectivity factor of dual polarization radar provided in an embodiment of the present invention
The system of correcting is described in detail.
The present invention also provides a kind of radar reflectivity factors of dual polarization radar to correct device, comprising:
Memory, for storing computer program；
Processor realizes the radar of the dual polarization radar such as any one of above-described embodiment for executing computer program
Reflectivity factor correction method.
It should be noted that the present embodiment is product embodiments corresponding with above-mentioned each method embodiment, for this implementation
In example the explanation of the concrete function of each structure and optional embodiment can with reference in above-mentioned each method embodiment pair it should be noted that
Details are not described herein.
In addition, the present invention also provides a kind of radar reflectivity factors of dual polarization radar to correct system, which includes: double
Polarimetric radar and multiple raindrop spectrometers provided around it, and the radar reflection of the dual polarization radar as described in above-described embodiment
The rate factor corrects device.Wherein,
Each raindrop spectrometer for acquiring raindrop modal data, and by the raindrop modal data of acquisition be transferred to radar reflectivity because
Son corrects device.Dual polarization radar is used to correct the observation of device transmission radar polarization parameter to radar reflectivity factor.Thunder
Device is corrected for the observation according to raindrop modal data and radar polarization parameter up to reflectivity factor, is calculated revised
Radar reflectivity factor.
It should be noted that the present embodiment is system embodiment corresponding with above-mentioned apparatus embodiment, for the present embodiment
Middle radar reflectivity factor corrects the concrete function of device and the explanation of optional embodiment can implement with reference to above-mentioned each method
In example pair it should be noted that details are not described herein.
A kind of radar reflectivity factor of the dual polarization radar provided in above-described embodiment corrects system: by being arranged double
Whether the raindrop spectrometer around polarimetric radar collects raindrop modal data to judge whether raindrop spectrometer region has precipitation, when
Judging result is to be scattered simulation inverting when having precipitation according to raindrop modal data and obtain radar polarization parameter, and then be fitted
To the parameter for being directed to dual polarization radar location, and according to the observation of obtained parameter, radar polarization parameter and and preset
Algorithm corrects radar reflectivity factor, so as to the different precipitation process based on different regions, realizes radar reflection
The decaying of the rate factor is corrected to be corrected with partial occlusion, reduces error, it is ensured that the validity of Radar Data.
Specifically, in this embodiment, dual polarization radar 210 is the dual-polarization thunder long suitable for various wavelength and various libraries
It reaches.That is, dual polarization radar that can be long for S, C, the various models of X-band and various libraries.In addition, multiple raindrop spectrometers
220 quantity is greater than 3.That is, the raindrop spectrometer 220 being located at around dual polarization radar 210 is 3 or more, so that it is guaranteed that
Obtain the accuracy of raindrop modal data.
In other embodiments of the invention, a kind of storage medium is also provided, instruction is stored in the storage medium, works as meter
Calculate machine-readable when taking the instruction, the radar reflectivity for the dual polarization radar for executing computer as described in any one of above-described embodiment
Factor correction method.
In addition, the terms "and/or", only a kind of incidence relation for describing affiliated partner, indicates may exist
Three kinds of relationships, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.Separately
Outside, character "/" herein typicallys represent the relationship that forward-backward correlation object is a kind of "or".
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or substitutions,
These modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be wanted with right
Subject to the protection scope asked.
Claims (10)
1. a kind of radar reflectivity factor correction method of dual polarization radar characterized by comprising
When the raindrop modal data for getting at least one raindrop spectrometer in multiple raindrop spectrometers provided around dual polarization radar
When, determine at least one described raindrop spectrometer there is precipitation；
Simulation inverting, which is scattered, according to the raindrop modal data obtains radar polarization parameter；
A is fitted according to the radar polarization parameterH-KDPAnd AH-ZHRelationship is obtained for the dual polarization radar location
Parameter；
According to the parameter, the observation and preset algorithm of radar polarization parameter, be calculated revised radar reflectivity because
Son.
2. the radar reflectivity factor correction method of dual polarization radar according to claim 1, which is characterized in that described
A is fitted according to the radar polarization parameterH-KDPAnd AH-ZHRelationship obtains the parameter for target area, comprising:
It is fitted to obtain the parameter by least square method.
3. the radar reflectivity factor correction method of dual polarization radar according to claim 2, which is characterized in that by most
Small square law is fitted to obtain the parameter, comprising:
A is fitted according to following equation (1) and (2)H-KDPRelationship and AH-ZHRelationship obtains the parameter alpha, a and b,
AH(r)=α KDP(r) (1),
AH(r)=aZH(r)b(2),
Wherein, AHIt (r) is attenuation rate, KDP(r) for than difference travel phase shift, ZH(r) for the radar reflectivity without overdamping because
Son, i.e. true value, unit are as follows: mm6m-3, r is the distance away from the dual polarization radar.
4. the radar reflectivity factor correction method of dual polarization radar according to claim 3, which is characterized in that according to institute
Parameter, the observation and preset algorithm of radar polarization parameter are stated, revised radar reflectivity factor is calculated, comprising:
Algorithm and parameter alpha and b are corrected according to ZPHI precipitation profiles, attenuation rate A is calculated in (3) according to the following formulaH(r),
Wherein,C (b, PIA)=100.1bPIA-
1, PIA=α ΔΦDP, PIA is path attenuation, ΦDPFor difference travel phase shift, and radar polarization parameter ZH′(r)、ZH' (s) and
ΦDPIt is observation；
According to the parameter a and b and attenuation rate A being calculatedH(r), revised radar is calculated according to the formula (2)
Reflectivity factor ZH(r)。
5. the radar reflectivity factor correction method of dual polarization radar described in any one of -4 according to claim 1, feature
It is, further includes:
When the raindrop modal data that any one raindrop spectrometer in multiple raindrop spectrometers provided around dual polarization radar has not been obtained
When, it determines at the multiple raindrop spectrometer without precipitation, and the parameter is determined as default value.
6. a kind of radar reflectivity factor of dual polarization radar corrects device, which is characterized in that
Memory, for storing computer program；
Processor realizes the dual polarization radar as described in any one of claims 1 to 5 for executing the computer program
Radar reflectivity factor correction method.
7. a kind of radar reflectivity factor of dual polarization radar corrects system characterized by comprising dual polarization radar and its week
Multiple raindrop spectrometers of setting are enclosed, and the radar reflectivity factor of dual polarization radar as claimed in claim 6 corrects device,
Wherein,
Each raindrop spectrometer is transferred to the thunder for acquiring raindrop modal data, and by the raindrop modal data of acquisition
Device is corrected up to reflectivity factor；
The dual polarization radar, for correcting the observation of device transmission radar polarization parameter to the radar reflectivity factor；
The radar reflectivity factor corrects device, for the observation according to the raindrop modal data and radar polarization parameter,
Revised radar reflectivity factor is calculated.
8. the radar reflectivity factor of dual polarization radar according to claim 7 corrects system, which is characterized in that described double
Polarimetric radar is the dual polarization radar long suitable for various wavelength and various libraries.
9. the radar reflectivity factor of dual polarization radar according to claim 7 or 8 corrects system, which is characterized in that institute
The quantity for stating multiple raindrop spectrometers is greater than 3.
10. a kind of storage medium, which is characterized in that instruction is stored in the storage medium, when computer reads described instruction
When, the radar reflectivity factor for making the computer execute the dual polarization radar as described in any one of claims 1 to 5 is corrected
Method.
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| CN110488393A (en) * | 2019-09-24 | 2019-11-22 | 中国科学院大气物理研究所 | X-band dual-polarization radar measurement method and system |
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| CN114509734A (en) * | 2022-04-19 | 2022-05-17 | 南京气象科技创新研究院 | Dual-polarization weather radar data quality real-time evaluation method based on raindrop spectrum |
| CN114509734B (en) * | 2022-04-19 | 2022-07-19 | 南京气象科技创新研究院 | Dual-polarization weather radar data quality real-time evaluation method based on raindrop spectrum |
| CN115575914A (en) * | 2022-12-07 | 2023-01-06 | 成都远望科技有限责任公司 | Multi-band dual-polarization weather radar observed quantity error quantification method |
| CN115575914B (en) * | 2022-12-07 | 2023-03-10 | 成都远望科技有限责任公司 | Multi-band dual-polarization weather radar observed quantity error quantification method |
| CN115932766A (en) * | 2022-12-15 | 2023-04-07 | 佛山市***研究中心 | Phased array radar data correction system |
| CN115932766B (en) * | 2022-12-15 | 2024-03-22 | 佛山市***研究中心 | Phased array radar data correction system |
| CN118011358A (en) * | 2024-04-10 | 2024-05-10 | 中国科学院大气物理研究所 | Rain drop spectrum inversion method and device for dual-band radar |
| CN118011358B (en) * | 2024-04-10 | 2024-06-14 | 中国科学院大气物理研究所 | Rain drop spectrum inversion method and device for dual-band radar |
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