CN107741587A - A kind of meteorological detection method and system of dimensional wind - Google Patents
A kind of meteorological detection method and system of dimensional wind Download PDFInfo
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- CN107741587A CN107741587A CN201710833759.1A CN201710833759A CN107741587A CN 107741587 A CN107741587 A CN 107741587A CN 201710833759 A CN201710833759 A CN 201710833759A CN 107741587 A CN107741587 A CN 107741587A
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- G—PHYSICS
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- 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
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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
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The present invention relates to a kind of meteorological detection method and system of dimensional wind, the meteorological detection method includes：Every phased array weather radar instructs according to the mode detection of reception and the search coverage of the equilateral triangle is scanned simultaneously；The intensity data obtained will be scanned and speed data is sent to control process center；Intensity data is merged again, obtains reflectivity factor, while speed data is subjected to Vector modulation, obtains velocity vector field；According to reflectivity factor and velocity vector field, dimensional wind is determined；The position that micro handling system occurs is detected in dimensional wind.A kind of system is further related to, the system includes：Three phased array weather radars, control process center.Equilateral triangle search coverage is built by the present invention, weather radar search coverage carries out collaboration detection and obtains data, the fine detection to the full spatial domain meteorology target in the observation space scope is realized, more accurate dimensional wind is generated and greatly improves existing meteorological observation level.
Description
Technical field
The invention belongs to the meteorological detection method and system of weather radar field of detecting, more particularly to a kind of dimensional wind.
Background technology
Weather radar is a kind of effective tool that can effectively observe various strong weather phenomena, but traditional weather radar is present such as
Lower deficiency：1. due to the influence of earth curvature, observation of weather radar when compared with remote observation to surface layer sexual intercourse target by
To limitation, meanwhile, more than 30 degree of the elevation angle does not have detection information, and a large amount of detection clear areas closely be present；2. existing radar is adopted
With mechanical rotation scan, beam scanning speed is slower, and the time that body of completion is swept, temporal resolution was low at 6 minutes or so, difficult
With the small scale weather phenomenon that capture quickly generates and develops (such as spout hits meteorology with)；3. current Doppler radar
Although there is the ability for obtaining radial velocity, radial velocity is sexual intercourse Particles Moving speed on the radar electromagnetic wave direction of propagation
One-component, without complete three-dimensional velocity information；4. the detection network of Doppler radar composition, 3 adjacent radars are total to
Negative lap search coverage is about 5%, and the radar detection sampling volume of overlapping region is little, and the same space position difference radar
Several minutes of acquisition data time phase difference, the velocity confidence level synthesized with this data are very low.
Therefore, existing observation procedure have lost meteorological target information spatially, particularly with fast-changing wind field,
The meteorological target such as meteorology is hit under micro-, the meteorological target information of holonmic space in observation scope can not be obtained in time, cause meteorology
Data acquisition rate reduces, and the quality of data declines, it is impossible to fully meets the application demands such as meteorological research, meteorological support.
The content of the invention
The technical problems to be solved by the invention are：Existing observation procedure have lost meteorological target information spatially,
Particularly with fast-changing wind field, it is micro- under hit the meteorological target such as meteorology, holonmic space in observation scope can not be obtained in time
Meteorological target information, cause meteorological data acquisition rate reduction, the quality of data decline, it is impossible to fully meet meteorological research, meteorology
The application demands such as guarantee.
To solve technical problem above, the invention provides a kind of meteorological detection method of dimensional wind, the meteorology is visited
Survey method includes：
S1, every phased array weather radar of three apexes of the search coverage of equilateral triangle is placed according to reception
Mode detection instruction the search coverage of the equilateral triangle is scanned simultaneously；
S2, every phased array weather radar will scan acquisition intensity data and speed data is sent in control process
The heart；
The intensity data of three weather radars is merged at S3, the control process center, obtain reflectivity because
Son, while the speed data is subjected to Vector modulation, obtain velocity vector field；
S4, according to the reflectivity factor and the velocity vector field, determine dimensional wind；
S5, according to the mutation attribute of speed wind field, the position that micro handling system occurs is detected in the dimensional wind.
Beneficial effects of the present invention：By above-mentioned method, equilateral triangle is detected using 3 phased array weather radars
Region carries out collaboration detection and obtains data, realizes the fine detection to the full spatial domain meteorology target in the observation space scope, raw
Into more accurate dimensional wind, the dimensional wind information in full spatial domain in observation scope can be effectively obtained, while in the three-dimensional
Micro handling system phenomenon can be effectively monitored in wind field, it is horizontal to greatly improve existing meteorological observation, and meet meteorological research,
The application demands such as meteorological support.
Further, the mode detection instruction includes：Strong echo three-dimensional detection pattern and three-dimensional detection pattern.
Further, step S1 includes：When reception be strong echo three-dimensional detection mode instruction when, every is described phased
Battle array weather radar receives beam scanning mode using 14 simultaneously in vertical direction and uses mechanical scanning in the horizontal direction
Mode is scanned to the search coverage of the equilateral triangle；Wherein, every weather radar is in the vertical direction
22.4 degree of elevations angle of covering every time, point 4 completions, 89.6 degree of Elevation Scannings, every phased array weather radar is in the level side
Upwards with the degrees second of scanner rotating rate 40,60 degree of azimuth scans are completed.
Further, step S1 includes：When reception be three-dimensional detection pattern when, every phased array weather radar
Receive beam scanning mode and in the horizontal direction using mechanical scanning mode to described etc. using 5 simultaneously in vertical direction
The search coverage of side triangle is scanned；Wherein, every phased array weather radar is each in the vertical direction
8 degree of elevations angle are covered, point 11 completions, 88 degree of Elevation Scannings, every weather radar is rotated in the horizontal direction with antenna
The degrees second of speed 10, complete 60 degree of azimuth scans.
Further, the intensity data is merged at control process center described in the S3, obtain reflectivity because
Son is specially：The control process center takes the average value of the intensity data of three phased array weather radars, will be described flat
Average is as the reflectivity factor.
The invention further relates to a kind of meteorological detection system of dimensional wind, the meteorological detection system includes：Three phased arrays
Weather radar, control process center；Wherein described three phased array weather radars are respectively disposed on the spy of an equilateral triangle
Survey at the triangular apex in region；
The phased array weather radar, using phased array, digital multiple beam system, refer to for the mode detection according to reception
Order, while the search coverage of the equilateral triangle is quickly scanned；And the intensity data and number of speed obtained will be scanned
According to being sent to the control process center；
The control process center, for sending the mode detection instruction to the phased array weather radar；And also use
Merged in by the intensity data of three phased array weather radars, obtain reflectivity factor, while by the number of speed
According to Vector modulation is carried out, velocity vector field is obtained；It is additionally operable to, according to the reflectivity factor and the velocity vector field, determine three
Tie up wind field；The mutation attribute according to speed wind field is additionally operable to, the position that micro handling system occurs is detected in the dimensional wind
Put.
Beneficial effects of the present invention：By above-mentioned system, equilateral triangle is detected using 3 phased array weather radars
Region carries out collaboration detection and obtains data, realizes the fine detection to the full spatial domain meteorology target in the observation space scope, raw
Into more accurate dimensional wind, the dimensional wind information in full spatial domain in observation scope can be effectively obtained, while in the three-dimensional
Micro handling system phenomenon can be effectively monitored in wind field figure, greatly improves existing meteorological observation level, and meet that meteorology is ground
Study carefully, the application demand such as meteorological support.
Further, the mode detection instruction includes：Strong echo three-dimensional detection pattern and three-dimensional detection pattern.
Further, when reception be strong echo three-dimensional detection mode instruction when, the phased array weather radar is specific to use
Received simultaneously using 14 in beam scanning mode and horizontal direction using mechanical scanning mode to described in vertical direction
The search coverage of equilateral triangle is scanned；Wherein, every phased array weather radar is every in the vertical direction
22.4 degree of elevations angle of secondary covering, point 4 completions, 89.6 degree of Elevation Scannings, every weather radar is in the horizontal direction with day
The degrees second of line rotary speed 40, complete 60 degree of azimuth scans.
Further, when reception be three-dimensional detection pattern when, the phased array weather radar, specifically in Vertical Square
Receive beam scanning mode and in the horizontal direction using mechanical scanning mode to the equilateral triangle using 5 simultaneously upwards
Search coverage be scanned；Wherein, every phased array weather radar is that each 8 degree of covering is faced upward in the vertical direction
Angle, 88 degree of Elevation Scannings of points of 11 times completions, every weather radar in the horizontal direction with 10 degree of scanner rotating rate/
Second, complete 60 degree of azimuth scans.
Further, the control process center, the intensity data specifically for taking three phased array weather radars
Average value, using the average value as the reflectivity factor.
Brief description of the drawings
Fig. 1 is a kind of flow chart of the meteorological detection method of dimensional wind of the present invention；
Fig. 2 is a kind of schematic diagram of the meteorological detection system of dimensional wind of the present invention；
Fig. 3 is a kind of schematic diagram of the meteorological detection method of dimensional wind of the embodiment of the present invention.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in figure 1, a kind of meteorological detection method of dimensional wind, the meteorological detection are provided in the embodiment of the present invention
Method includes：
S1, every phased array weather radar of three apexes of the search coverage of equilateral triangle is placed according to reception
Mode detection instruction the search coverage of the equilateral triangle is scanned simultaneously；
S2, every phased array weather radar will scan the intensity data obtained and speed data is sent to control process
Center；
The intensity data of three phased array weather radars is merged at S3, the control process center, obtains anti-
The rate factor is penetrated, while the speed data is subjected to Vector modulation, obtains velocity vector field；
S4, according to the reflectivity factor and the velocity vector field, determine dimensional wind；
S5, according to the mutation attribute of speed wind field, the position that micro handling system occurs is detected in the dimensional wind.
It should be noted that as shown in figure 3, be the first place that detects as needed in the present embodiment, one etc. is built
The search coverage of side triangle, a phased array weather radar, every thunder are disposed in each apex of the equilateral triangle
It is a, b, c at three angles up to being X-band phased array weather radar, every radar uses phased-array technique, and pitching electricity is swept
Retouch, scanning range orientation fast mechanical scan, has the wave beam of pitching 5 and 14 wave beam detectivities, can not only obtained at 0~+90 °
Take closely with low latitude weather information, moreover it is possible to obtain zenith weather information, realize all-sky cover.This other 3 X-bands are phased
Battle array weather radar (a, b, c) regular distribution triangular in shape is set up, and each X-band phased array weather radar is erected at three of triangle
Summit, spacing all can be with for 20km or other distance.
First, after phased array weather radar has been built, every weather radar instructs simultaneously according to the mode detection of reception
The search coverage of the equilateral triangle is scanned, generates each single radar station data respectively；Such as：3 X-bands are phased
Intensity data (Za (x, y, z), Zb (x, y, z), Zc (x, y, z)), the number of speed obtained behind battle array weather radar scanning probe region
Pass through communication network transmission in the form of packet according to (Va (x, y, z), Vb (x, y, z), Vc (x, y, z)), then by these data
Handled to control process center.
Secondly, after every phased array weather radar scans the search coverage of the equilateral triangle, data are obtained, then will obtain
The intensity data and speed data that must be obtained are sent to control process center；
Then, the intensity data of three phased array weather radars is merged at the control process center, obtains
Reflectivity factor, while the speed data is subjected to Vector modulation, velocity vector field is obtained, such as：At control process center
Manage single radar station data, including intensity data (Za (x, y, z), Zb (x, y, z), Zc (x, y, z)), speed data (Va (x, y,
Z), Vb (x, y, z), Vc (x, y, z)), control and data processing centre carry out fusion treatment to the single site data of 3 radars.
Three groups of intensity datas are permeated reflectivity factor Z (x, y, z).In the case where not needing any hypothesis and qualifications, according to
The method of Vector modulation is by three groups of radial velocity data Va (x, y, z), Vb (x, y, z), Vc (x, y, z) aggregate velocity vector field, u
(x, y, z), v (x, y, z), w (x, y, z) be respectively the horizontal velocity (east) of aggregate velocity vector field, horizontal velocity (north), vertical
Speed, it calculates the method using vector calculus, and formula is as follows.Thus obtained u (x, y, z), v (x, y, z), w (x, y, z) are i.e.
For each position three-dimensional velocity information in space, the three-dimensional velocity of each position is synthesized in a space diagram, you can
To complete dimensional wind.
Here is the calculating process of three-dimensional velocity synthesis：
Alternatively, the mode detection instruction includes in another embodiment：Strong echo three-dimensional detection pattern and three-dimensional spy
Survey pattern.
Alternatively, step S1 includes in another embodiment：When reception be strong echo three-dimensional detection mode instruction when,
Every phased array weather radar is in vertical direction while using 14 reception beam scanning modes and in the horizontal direction
The search coverage of the equilateral triangle is scanned using mechanical scanning mode；Wherein, every phased array weather thunder
Up to 22.4 degree of elevations angle are covered every time in the vertical direction, divide 4 completions 89.6 degree of Elevation Scannings, every weather radar
With the degrees second of scanner rotating rate 40 in the horizontal direction, 60 degree of azimuth scans are completed.
Alternatively, step S1 includes in another embodiment：When reception be three-dimensional detection pattern when, every phase
Control battle array weather radar receives beam scanning mode using 5 simultaneously in vertical direction and uses mechanical scanning in the horizontal direction
Mode is scanned to the search coverage of the equilateral triangle；Wherein, every phased array weather radar is described vertical
It is 8 degree of elevations angle of each covering on direction, point 11 completions, 88 degree of Elevation Scannings, every weather radar is in the horizontal direction
On with the degrees second of scanner rotating rate 10, complete 60 degree of azimuth scans.
Alternatively, the intensity data is merged at control process center described in the S3 in another embodiment,
Obtaining reflectivity factor is specially：The control process center takes being averaged for the intensity data of three phased array weather radars
Value, using the average value as the reflectivity factor.
It should be noted that the principle of intensity data fusion in the present embodiment is to average：Z (x, y, z)=(Za
(x,y,z)+Zb(x,y,z)+Zc(x,y,z))/3。
A kind of meteorological detection system of dimensional wind is provided in another embodiment, and the meteorological detection system includes：
Three phased array weather radars, control process center；Wherein described three phased array weather radars be respectively disposed on one it is equilateral
At the triangular apex of the search coverage of triangle；
The phased array weather radar, using phased array, digital multiple beam system, refer to for the mode detection according to reception
Order, while the search coverage of the equilateral triangle is scanned；And the intensity data obtained and speed data hair will be scanned
Give the control process center；
The control process center, for sending the mode detection instruction to the weather radar；And it is additionally operable to three
The intensity data of portion's phased array weather radar is merged, and obtains reflectivity factor, while the speed data is carried out
Vector modulation, obtain velocity vector field；It is additionally operable to according to the reflectivity factor and the velocity vector field, it is determined that three-dimensional wind
；The mutation attribute according to speed wind field is additionally operable to, the position that micro handling system occurs is detected in the dimensional wind.
It should be noted that as shown in Fig. 2 it is the ground first detected as needed in the present embodiment
Side, builds the search coverage of an equilateral triangle, a phased array day is disposed in each apex of the equilateral triangle
Gas radar, every radar are to use X-band phased array weather radar, and every radar is X-band phased array weather radar,
It is a, b, c at three angles, every radar uses phased-array technique, and pitching electric scanning, for scanning range at 0~+90 °, orientation is quick
Mechanical scanning, there are the wave beam of pitching 5 and 14 wave beam detectivities, can not only obtain closely with low latitude weather information, moreover it is possible to obtain
Zenith weather information is taken, realizes that all-sky covers.This other 3 X-band phased array weather radar (a, b, c) rules triangular in shape
Distribution is set up, and each X-band phased array weather radar is erected at three summits of triangle, spacing all for 20km or it is other away from
Can be with from.
After weather radar has been built, every weather radar is instructed simultaneously to the equilateral triangle according to the mode detection of reception
The search coverage of shape is scanned, and generates each single radar station data respectively；Such as：3 X-band phased array weather radars are swept
Retouch the intensity data (Za (x, y, z), Zb (x, y, z), Zc (x, y, z)) obtained after search coverage, speed data (Va (x, y, z),
Vb (x, y, z), Vc (x, y, z)), then give these data to control process center by communication network transmission in the form of packet
Handled.
After the search coverage of every radar scanning equilateral triangle, data are obtained, then the intensity number obtained will be obtained
Control process center is sent to according to speed data；
The intensity data of three phased array weather radars is merged at the control process center, obtains reflectivity
The factor, while the speed data is subjected to Vector modulation, velocity vector field is obtained, such as：Control process center processing list thunder
Up to station data, including intensity (Za (x, y, z), Zb (x, y, z), Zc (x, y, z)), speed (Va (x, y, z), Vb (x, y, z),
Vc (x, y, z)), control and data processing centre carry out fusion treatment to the single site data of 3 radars.By three groups of intensity datas
Permeate a reflectivity factor Z (x, y, z).In the case where not needing any hypothesis and qualifications, according to the method for Vector modulation
By three groups of radial velocity data Va (x, y, z), Vb (x, y, z), Vc (x, y, z) aggregate velocity vector field, u (x, y, z), v (x, y,
Z), w (x, y, z) is respectively the horizontal velocity (east), horizontal velocity (north), vertical speed of aggregate velocity vector field, and its calculating is adopted
It is as follows with the method for vector calculus, formula.Thus obtained u (x, y, z), v (x, y, z), w (x, y, z) are each in space
Position three-dimensional velocity information, the three-dimensional velocity of each position is synthesized in a space diagram, you can obtain complete three-dimensional
Wind field.Here is the calculating process of three-dimensional velocity synthesis：
Alternatively, the mode detection instruction includes in another embodiment：Strong echo three-dimensional detection pattern and three-dimensional spy
Survey pattern.
Alternatively, in another embodiment when reception be strong echo three-dimensional detection mode instruction when, the phased array day
Gas radar, swept specifically for being received in vertical direction using 14 simultaneously in beam scanning mode and horizontal direction using machinery
Mode is retouched to be scanned the search coverage of the equilateral triangle；Wherein, every phased array weather radar hangs down described
Nogata is 22.4 degree of elevations angle of each covering upwards, and point 4 completions, 89.6 degree of Elevation Scannings, every weather radar is in the water
Square upwards with the degrees second of scanner rotating rate 40,60 degree of azimuth scans are completed.
Alternatively, in another embodiment when reception be three-dimensional detection pattern when, the phased array weather radar, specifically
For receiving beam scanning mode and in the horizontal direction using mechanical scanning mode to institute using 5 simultaneously in vertical direction
The search coverage for stating equilateral triangle is scanned；Wherein, every phased array weather radar is in the vertical direction
8 degree of elevations angle of covering every time, point 11 completions, 88 degree of Elevation Scannings, every weather radar is in the horizontal direction with antenna
The degrees second of rotary speed 10, complete 60 degree of azimuth scans.
Alternatively, the control process center in another embodiment, specifically for taking three phased array weather radars
The average value of the intensity data, using the average value as the reflectivity factor.
It should be noted that the principle of intensity data fusion in the present embodiment is to average：Z (x, y, z)=(Za
(x,y,z)+Zb(x,y,z)+Zc(x,y,z))/3。
In this manual, identical embodiment or example are necessarily directed to the schematic representation of above-mentioned term.
Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or example with suitable
Mode combines.In addition, in the case of not conflicting, those skilled in the art can be by the difference described in this specification
Embodiment or example and the feature of different embodiments or example are combined and combined.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (10)
1. a kind of meteorological detection method of dimensional wind, it is characterised in that the meteorological detection method includes：
S1, every phased array weather radar of three apexes of the search coverage of equilateral triangle is placed according to the mould of reception
Formula probe instructions are scanned to the search coverage of the equilateral triangle simultaneously；
S2, every phased array weather radar will scan the intensity data obtained and speed data is sent in control process
The heart；
The intensity data of three phased array weather radars is merged at S3, the control process center, obtains reflectivity
The factor, while the speed data is subjected to Vector modulation, obtain velocity vector field；
S4, according to the reflectivity factor and the velocity vector field, determine dimensional wind；
S5, according to the mutation attribute of speed wind field, the position that micro handling system occurs is detected in the dimensional wind.
2. meteorological detection method according to claim 1, it is characterised in that the mode detection instruction includes：Strong echo
Three-dimensional detection pattern and three-dimensional detection pattern.
3. meteorological detection method according to claim 2, it is characterised in that step S1 includes：What it is when reception is strong return
During ripple three-dimensional detection mode instruction, every phased array weather radar receives wave beam using 14 simultaneously in vertical direction and swept
Retouch mode and the search coverage of the equilateral triangle is scanned using mechanical scanning mode in the horizontal direction；Wherein,
Every weather radar covers 22.4 degree of elevations angle every time in the vertical direction, point 4 completions, 89.6 degree of Elevation Scannings, often
Weather radar described in portion, with the degrees second of scanner rotating rate 40, completes 60 degree of azimuth scans in the horizontal direction.
4. meteorological detection method according to claim 2, it is characterised in that step S1 includes：What it is when reception is three-dimensional
During detection mode, every phased array weather radar in vertical direction simultaneously using 5 receive beam scanning modes and
The search coverage of the equilateral triangle is scanned using mechanical scanning mode in horizontal direction；Wherein, every day
Gas radar is 8 degree of elevations angle of each covering in the vertical direction, point 11 completions, 88 degree of Elevation Scannings, every weather thunder
, with the degrees second of scanner rotating rate 10,60 degree of azimuth scans are completed up in the horizontal direction.
5. according to any described meteorological detection methods of claim 1-4, it is characterised in that described in the S3 in control process
The heart is merged the intensity data, is obtained reflectivity factor and is specially：The control process center takes three weather radars
The intensity data average value, using the average value as the reflectivity factor.
6. the meteorological detection system of a kind of dimensional wind, it is characterised in that the meteorological detection system includes：Three phased array weather
Radar, control process center；Wherein described three phased array weather radars are respectively disposed on the detecting area of an equilateral triangle
At the triangular apex in domain；
The phased array weather radar, using phased array, digital multiple beam system, for being instructed according to the mode detection of reception,
The search coverage of the equilateral triangle is quickly scanned simultaneously；And the intensity data obtained and speed data hair will be scanned
Give the control process center；
The control process center, for sending the mode detection instruction to the weather radar；And it is additionally operable to three days
The intensity data of gas radar is merged, and obtains reflectivity factor, while the speed data is carried out into Vector modulation, is obtained
To velocity vector field；It is additionally operable to, according to the reflectivity factor and the velocity vector field, determine dimensional wind；It is additionally operable to basis
The mutation attribute of speed wind field, the position that micro handling system occurs is detected in the dimensional wind.
7. meteorological detection system according to claim 6, it is characterised in that the mode detection instruction includes：Strong echo
Three-dimensional detection pattern and three-dimensional detection pattern.
8. meteorological detection system according to claim 7, it is characterised in that what it is when reception is strong echo three-dimensional detection pattern
During instruction, the phased array weather radar, specifically in vertical direction simultaneously using 14 receive beam scanning modes and
The search coverage of the equilateral triangle is scanned using mechanical scanning mode in horizontal direction；Wherein, every phase
Control battle array weather radar is 22.4 degree of elevations angle of each covering in the vertical direction, point 4 completions, 89.6 degree of Elevation Scannings, every portion
The weather radar, with the degrees second of scanner rotating rate 40, completes 60 degree of azimuth scans in the horizontal direction.
9. meteorological detection system according to claim 7, it is characterised in that when reception be three-dimensional detection pattern when, institute
Phased array weather radar is stated, specifically in vertical direction while using 5 reception beam scanning modes and in the horizontal direction
On the search coverage of the equilateral triangle is scanned using mechanical scanning mode；Wherein, every phased array weather
Radar is 8 degree of elevations angle of each covering in the vertical direction, point 11 completions, 88 degree of Elevation Scannings, every weather radar
With the degrees second of scanner rotating rate 10 in the horizontal direction, 60 degree of azimuth scans are completed.
10. according to any described meteorological detection systems of claim 7-9, it is characterised in that the control process center, specifically
For the average value for the intensity data for taking three phased array weather radars, using the average value as the reflectivity because
Son.
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| CN109061650A (en) * | 2018-08-10 | 2018-12-21 | 北京无线电测量研究所 | Networking detection method and system based on array weather radar |
| CN109100723A (en) * | 2018-07-25 | 2018-12-28 | 南京信息工程大学 | Upper-level winds inversion method based on Doppler radar data |
| CN109143244A (en) * | 2018-08-09 | 2019-01-04 | 南京信息工程大学 | The method of quick obtaining radar reflectivity CAPPI trivector data |
| CN109541603A (en) * | 2018-12-10 | 2019-03-29 | 北京无线电测量研究所 | Digital Array Radar Wind outline detection method and system based on total correlation analysis |
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