CN106371081B - A kind of multichannel measurement information configuration method based on space lattice alignment of data - Google Patents
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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
- G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
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Abstract
The multichannel measurement information configuration method based on space lattice alignment of data that the invention discloses a kind of；Space lattice division is carried out to space monitoring region first, using space lattice each radar pitching-azimuth-range information corresponding with each radar geometrical relationship calculating space lattice, the label of these grids is recorded, constructs grid search matrix；Then the scanning irradiation mode for determining wave beam, grid search matrix and irradiation mode are corresponded, two-dimensional grid-mode search matrix is obtained；Space lattice orientation-pitching-range information is finally mapped as to the local grid information data retrieval table based on mode label, the corresponding detection unit of each grid is extracted according to raster data table, it regard the corresponding measurement accumulation of each Air conduct measurement unit as detection statistic, monitoring plane is detected.
Description
Technical field
The invention belongs to Radar Targets'Detection technical field, in particular to multi-site Distributed Network Radar signal cascade closes
Target detection technique.
Background technique
With the development of science and technology, its consequent scattering of the Stealthy Targets such as invisbile plane, stealthy unmanned plane, cruise missile is cut
The small great challenge in face Modern Aerial Defense net system, for the threat for coping with Stealthy Target, using the network radar of distributed multinode
System, after can effectively overcoming and be based on by using the technologies such as space diversity, frequency diversity, polarity diversity on different dimensions
To the problem of the stealthy target hardly possible of scattering properties.The targets such as stealthy are detected still using Distributed Network Radar technology at this stage
The theory study stage is rested on, for how to realize that the technology is still a problem in practical applications.Multi-source multidimensional signal connection
Closing processing technique is a key technology in Distributed Network Radar detection system, wherein the inspection of multi-site radar signal grade joint
Survey technology is to realize that Distributed Network Radar effectively detects the important key technology of Stealthy Target.Signal cascade closes etection theory and grinds
Study carefully establish mostly it is many assume on, as multi-site radar each Air conduct measurement unit ideal registration, do not consider each website thunder
Influence up to beam parameters to target detection does not consider that target scattering characteristics obey dependent with being distributed in different website channels
Feature etc..These hypothesis are often invalid in practical applications, and therefore, it is necessary to fully consider that actual conditions research is distributed
There is network radar signal processing technology important practical significance and Project Realization to be worth.
Most of tradition is all based on a hypotheses about the research of signal grade detections of radar, i.e., select away from
From signal grade detection is carried out in unit (detection unit), distance unit is then successively traversed, is realized to space detection zone
The detection of signal grade.Multi-site radar signal grade associated detection technique need to consider first for each channel, should select wherein which
As soon as distance unit should be used as the detection unit with other channel combined detections, i.e., multi-channel detection unit is registrated into
For problem to be solved.Traditional signal grade detection method such as rests on the theory analysis stage, does not account for generally actually answering
The problem of how multi-channel detection unit being registrated present in, referring to document (Janatian N, Modarres-
Hashemi M,Sheikhi A.“Cfar detectors for mimo radars”,Circuits,Systems,and
Signal Processing,Vol.32,No.3,pp.1389-1418,Jun.2013.).The method that intuition solves the problems, such as this is
, there is calculation amount with radar number exponential increase in the physics resolution cell for traversing each wave beam overlapping region, unfavorable in this way
In Project Realization.Therefore, it is inspired by multi-site signal grade location technology, the target of multiplexer channel is realized using space lattice technology
The registration of detection unit, forwarding method calculating structure is simple, computation complexity is low, is convenient for practical application.
Summary of the invention
The present invention is in order to solve the above technical problems, propose a kind of multichannel measurement letter based on space lattice alignment of data
Configuration method is ceased, conventional method space mismatch in length and breadth is solved the problems, such as by Spatial Rules division, realizes standardized number
According to retrieval, calculation amount is greatly reduced, maintains higher detection performance.
The technical solution adopted by the present invention is that：A kind of multichannel measurement information configuration side based on space lattice alignment of data
Method, including：
S1, space surveillance region carry out space lattice division, by space monitoring region be evenly dividing for longitude, latitude,
Height is respectively the total G of Δ Lo × Δ La × Δ H sizemaxA rectangular space grid, successively to each space lattice number be
NG1,NG2,…,NGmax；
S2, determine that each space lattice central point corresponds to the azimuth angle theta of each radar, pitch angleAnd distance rs, and according to each
Grid geometric center corresponds to the azimuth angle theta of each radar website, pitch angleAnd distance rsEstablish space lattice position information set；
S3, the number for recording all illuminated space lattices construct grid search matrix；
S4, radar illumination mode is determined, one by one with determining radar illumination mode by the grid search matrix in step S3
It is corresponding, obtain two-dimensional grid-mode search matrix；
S5, the deflection θ information that each radar is corresponded to according to the grid that grid positions information collection provides, establish and are based on mode mark
Number space lattice correspond to each channel by the deflection retrieval information of pretreated radar echo signal, deflection inspection
Rope information includes direction of the launch angle indexAnd receiving direction angle index
S6, the pitch angle information that each radar is corresponded to according to the grid that grid positions information collection provides, establish and are based on mode mark
Number space lattice correspond to each channel by the pitch angle retrieval information of pretreated radar echo signal, pitch angle inspection
Rope information includes transmitting pitch angle indexAnd receive pitch angle index
S7, the range information that each radar is corresponded to according to the grid that grid positions information collection provides, establish and are based on mode label
Space lattice correspond to each channel by pretreated radar echo signal distance unit index
S8, it is indexed according to distance unitDirection of the launch angle indexReceiving direction angle indexEmit pitch angle rope
DrawReceive pitch angle indexThis sextuple information, obtains the offline raster data table of a radar；
Not by the redundancy grid of beam in S9, the offline raster data table of removal, updated offline grid is obtained
Tables of data.
Further, space lattice described in step S5 corresponds to direction of the launch angle indexProcess be：
A1, azimuth firing angle θ of the space lattice to reference numeral for the radar of i is obtained by step S2it；
A2, each launching beam deflection for determining the radar；
A3, each launching beam deflection and θ are calculateditAngle, if angle be greater than launching beam deflection maximum cover
Lid angle, then space lattice corresponds to launching beam deflection index as sky；Otherwise, it finds out so that the smallest launching beam side of angle
Launching beam deflection index is corresponded to as space lattice to angle.
Further, space lattice described in step S5 corresponds to receiving direction angle indexProcess be：
B1, reception azimuth angle theta of the space lattice to reference numeral for the radar of i is obtained by step S2ir；
B2, each reception wave beam deflection for determining the radar；
B3, each reception wave beam deflection and θ are calculatedirAngle, if angle be greater than receive wave beam deflection maximum cover
Lid angle, then the corresponding wave beam deflection index that receives of space lattice is sky；Otherwise, it finds out so that the smallest reception wave beam side of angle
It is indexed to angle as the corresponding wave beam deflection that receives of space lattice.
Further, the corresponding transmitting pitch angle index of space lattice described in step S6Process be：
A`1, transmitting pitch angle of the space lattice to reference numeral for the radar of i is obtained by step S2
A`2, each launching beam pitch angle for determining the radar；
A`3, calculate each launching beam pitch angle withAngle, if angle be greater than launching beam pitch angle maximum cover
Lid angle, then space lattice corresponds to launching beam pitch angle index as sky；Otherwise, it finds out so that the smallest launching beam of angle is bowed
The elevation angle corresponds to launching beam pitch angle index as space lattice.
Further, space lattice described in step S6 is corresponding receives pitch angle indexProcess be：
B`1, reception pitch angle of the space lattice to reference numeral for the radar of i is obtained by step S2
B`2, each reception wave beam pitch angle for determining the radar；
B`3, calculate each receptions wave beam pitch angle andAngle, if angle be greater than receive wave beam pitch angle maximum cover
Lid angle, then the corresponding wave beam pitch angle index that receives of space lattice is sky；Otherwise, it finds out so that the smallest reception wave beam of angle is bowed
The elevation angle is indexed as the corresponding wave beam pitch angle that receives of space lattice.
Further, determination radar illumination mode described in step S4, specially each moment determine a kind of radar illumination
Mode.
Further, the offline raster data table of update described in step S9 is according to zone number, transmitted wave bit number, reception
Radar number, transmitting radar number carry out structured storage respectively.
Beneficial effects of the present invention：The present invention carries out space lattice division to space monitoring region first, utilizes space grating
Lattice each radar pitching-azimuth-range information corresponding with each radar geometrical relationship calculating space lattice, records the mark of these grids
Number, construct grid search matrix；Then the scanning irradiation mode for determining wave beam, grid search matrix and irradiation mode one is a pair of
It answers, obtains two-dimensional grid-mode search matrix；Finally space lattice orientation-pitching-range information is mapped as based on mode mark
Number local grid information data retrieval table, extract the corresponding detection unit of each grid according to raster data table, each channel examined
It surveys the corresponding measurement accumulation of unit and is used as detection statistic, monitoring plane is detected；Method of the invention is advised by space
It then divides and solves the problems, such as conventional method space mismatch in length and breadth, realize standardized data retrieval, greatly reduce meter
Calculation amount maintains higher detection performance；The advantage of the invention is that in the multi-beam put after taking full advantage of each detection
Valuable target echo information is realized to be closed based on space lattice signal cascade and be detected, compares all wave beams of traditional traversal
The method of irradiation mode and echo-signal distance unit reduces calculating cost.
Detailed description of the invention
Fig. 1 is a kind of multichannel measurement information configuration method process based on space lattice alignment of data provided by the invention
Figure.
Fig. 2 is the azimuth angle theta that space lattice central point provided by the invention corresponds to each radar, pitch angleAnd distance rs
Schematic diagram.
Fig. 3 is two-dimensional grid provided by the invention-mode search matrix schematic diagram.
Specific embodiment
For convenient for those skilled in the art understand that technology contents of the invention, with reference to the accompanying drawing to the content of present invention into one
Step is illustrated.
As shown in Figure 1, the solution of the present invention is：A kind of multichannel measurement information configuration based on space lattice alignment of data
Method, including：
S1, space surveillance region carry out space lattice division, by space monitoring region be evenly dividing for longitude, latitude,
Height is respectively the total G of Δ Lo × Δ La × Δ H sizemaxA rectangular space grid, i.e., the longitude of each space lattice are Δ
Lo, latitude are Δ La, are highly Δ H, are successively N to each space lattice numberG1,NG2,…,NGmax。
S2, determine that each space lattice central point corresponds to the azimuth angle theta of each radar, pitch angleAnd distance rsInformation, and root
The azimuth angle theta of each radar website, pitch angle are corresponded to according to each grid geometric centerAnd distance rsEstablish space lattice location information
Collection；It is illustrated in figure 2 the azimuth angle theta that space lattice central point corresponds to each radar, pitch angleAnd distance rsSchematic diagram；Space
It is radar to the line of space lattice geometric center and the angle of direct north that grid central point, which corresponds to the azimuth angle theta of each radar,
Including space lattice to the direction of the launch angle θ of transmitting radart, with space lattice central point to the receiving direction angle θ for receiving radarr；
Space lattice corresponds to the pitch angle of each radarFor radar to the line of grid geometric center and the angle of horizontal direction, including sky
Between grid to transmitting radar transmitting pitch angleWith space lattice central point to the reception pitch angle for receiving radarSpace grating
Lattice correspond to the distance r of each radarsIncluding space lattice central point to the distance r of transmitting radartWith space lattice central point to reception
The distance r of radarr。
S3, the number for recording all illuminated space lattices construct grid search matrix；
There is the portion N transceiver radar, the angular coverage of t moment, the wave beam of radar s transmitting isMaximum effect away from
From forThen meet scope limitation set to the angle of radar and distance in regionAll grid
Lattice are illuminated, record the number of these grids, construct grid search matrix.
S4, radar illumination mode is determined, one by one with determining radar illumination mode by the grid search matrix in step S3
It is corresponding, obtain two-dimensional grid-mode search matrix；
Any time, any grid may be by the part radar illumination in the portion N radar in space, and possible radiation situation is total
HaveKind, each moment determines a kind of irradiation mode.By the grid search matrix in step S3 and shine
Emission mode corresponds, and obtains two-dimensional grid-mode search matrix, as shown in Figure 3.
S5, the deflection θ information that each radar is corresponded to according to the grid that grid positions information collection provides, establish and are based on mode mark
Number space lattice correspond to each channel by the deflection retrieval information of pretreated radar echo signal, deflection inspection
Rope information includes direction of the launch angle indexAnd receiving direction angle index
CiThe N of the corresponding radar T transmitting of radar illumination modeθtThe vector that a launching beam deflection is constituted is θt, θt=
{θ1t,θ2t,...,θNθt, wherein θ1t,θ2t,...,θNθtThe angle in the direction and direct north be directed toward for launching beam center,
Launching beam deflection number is followed successively by 1,2 ..., Nθt, wave beam can only cover (θtmin,θtmax) between angle, (θtmin,
θtmax) determined by the parameter of radar hardware system.Space lattice to be detected should be registrated with suitable beam direction angle.
Direction of the launch angle index is corresponded to some space latticeProcess for, specifically include following steps：
A1, azimuth firing angle θ of the space lattice to reference numeral for the radar of i is obtained by step S2it；
A2, each launching beam deflection for determining the radar；
A3, each launching beam deflection and θ are calculateditAngle, if angle be greater than launching beam deflection maximum cover
Lid angle, the deflection maximal cover angle of launching beam is by (θtmin,θtmax) determine, then space lattice corresponds to launching beam side
It is sky to angle index；Otherwise, it finds out so that the smallest launching beam deflection of angle corresponds to launching beam side as space lattice
It is indexed to angle.
CiThe corresponding received N of radar R of radar illumination modeθrIt is a to receive the vector that wave beam deflection is constituted as θr,For the angle for receiving direction and direct north that beam center is directed toward, deflection
Number is followed successively by 1,2 ..., Nθr, wave beam can only cover (θrmin,θrmax) between angle, (θrmin,θrmax) by radar hardware system
The parameter of system determines.Space lattice to be detected should be registrated with suitable beam direction angle.
Receiving direction angle index is corresponded to wherein some space latticeProcess for, specifically include following steps：
B1, reception azimuth angle theta of the space lattice to reference numeral for the radar of i is obtained by step S2ir；
B2, each reception wave beam deflection for determining the radar；
B3, each reception wave beam deflection and θ are calculatedirAngle, if angle be greater than receive wave beam deflection maximum cover
Lid angle receives the deflection maximal cover angle of wave beam by (θrmin,θrmax) determine, then space lattice is corresponding receives wave beam side
It is sky to angle index；Otherwise, it finds out so that the smallest reception wave beam deflection of angle is as the corresponding reception wave beam side of space lattice
It is indexed to angle.
S6, the pitch angle information that each radar is corresponded to according to the grid that grid positions information collection provides, establish and are based on mode mark
Number space lattice correspond to each channel by the pitch angle retrieval information of pretreated radar echo signal, pitch angle inspection
Rope information includes transmitting pitch angle indexAnd receive pitch angle index
CiThe corresponding radar T transmitting of radar illumination modeThe vector that a launching beam pitch angle is constituted is The angle in the direction and horizontal direction be directed toward for launching beam center, pitching
Angle number is followed successively byWave beam can only coverBetween angle,By radar hardware system
The parameter of system determines.Space lattice to be detected should be registrated with suitable wave beam pitch angle.
With the corresponding transmitting pitch angle index of wherein some space latticeProcess be；Example, specifically includes following steps：
A`1, transmitting pitch angle of the space lattice to reference numeral for the radar of i is obtained by step S2
A`2, each launching beam pitch angle for determining the radar；
A`3, calculate each launching beam pitch angle withAngle, if angle be greater than launching beam pitch angle maximum cover
Lid angle, the maximal cover angle of launching beam pitch angle byIt determines, then space lattice corresponds to launching beam and bows
Elevation angle index is sky；Otherwise, it finds out so that the smallest launching beam pitch angle of angle corresponds to launching beam as space lattice and bows
Elevation angle index.
CiThe corresponding radar R of radar illumination mode is receivedIt is a receive wave beam pitch angle constitute vector be For the angle for receiving direction and horizontal direction that beam center is directed toward, pitching
Angle number is followed successively byWave beam can only coverBetween angle,By radar hardware system
The parameter of system determines.Space lattice to be detected should be registrated with suitable wave beam pitch angle.
Pitch angle index is received so that wherein some space lattice is correspondingProcess for, specifically include following steps：
B`1, reception pitch angle of the space lattice to reference numeral for the radar of i is obtained by step S2
B`2, each reception wave beam pitch angle for determining the radar；
B`3, calculate each receptions wave beam pitch angle andAngle, if angle be greater than receive wave beam pitch angle maximum cover
Lid angle, receive the pitch angle maximal cover angle of wave beam byIt determines, then the corresponding wave beam that receives of space lattice is bowed
Elevation angle index is sky；Otherwise, it finds out so that the smallest reception wave beam pitch angle of angle is bowed as the corresponding wave beam that receives of space lattice
Elevation angle index.
S7, the range information that each radar is corresponded to according to the grid that grid positions information collection provides, establish and are based on mode label
Space lattice correspond to each channel by pretreated radar echo signal distance unit index
Due to having carried out equal interval sampling to echo-signal, each transceiver channel can be divided into big span according to the sampling interval
From unit, the distance unit of echo-signal measurement information data and transceiver channel after sampling is corresponded, and there are mapping relations.
Distance unit is exactly the total distance of radar wave to be divided into portion portion, and which part is the meaning indexed be exactly, and usesIt indicates the length first adjusted the distance divided by every part, then rounds up, which part just obtained, that is, is indexed
Emit radar to grid center distance and receive radar to grid center sum of the distance be r, since radar is deposited
In maximum operating range rmax, index of the space lattice in the distance in each channelFollowing situations should be divided into
Wherein,For with sampling time interval TsDiscrete distance cell width in corresponding space
Wherein, c is the light velocity.
By calculate above establish each channel by pretreated radar echo signal at a distance from space lattice, wave
Beam azimuth and wave beam pitch angle mapping relations.The corresponding transmitting receiving channel of space lattice central point by pretreated thunder
Information collection is retrieved up to echo-signal
S8, it is indexed according to distance unitDirection of the launch angle indexReceiving direction angle indexEmit pitch angle rope
DrawReceive pitch angle indexThis sextuple information, obtains the offline raster data table of each radar；
Not by the redundancy grid of beam in S9, the offline raster data table of removal, updated offline grid is obtained
Tables of data；
Due to different moments, different zones are changed very greatly by the grid quantity of each channel beam, so needing further
Remove the offline raster data table for, not by the redundancy grid of beam, obtaining in each offline raster data table and exporting to the end.
Offline raster data table carries out structure according to zone number, transmitted wave bit number, reception radar number, transmitting radar number respectively
Change storage, each space lattice information contains grid number, distance unit index, direction of the launch angle index, receiving direction angle
Index, receives the sextuple information of pitch angle index at transmitting pitch angle index.Offline raster data table structure is as shown in table 1；
The offline raster data table structure of table 1
By transmitted wave bit number, transmitting radar number, receive radar number, launching beam azimuth index, transmitted wave
Beam pitch angle index, reception wave beam azimuth index, reception wave beam pitch angle index can be unique true in numerous echo datas
A fixed echo-signal measurement information data, then indexed according to distance unit, i.e., extractable acquisition specific range unit is corresponding
Echo-signal measures.In primary multichannel combined detection, it should it is corresponding to choose which distance unit in each transceiver channel
Echo-signal measurement becomes insoluble problem.
Those of ordinary skill in the art will understand that the embodiments described herein, which is to help reader, understands this hair
Bright principle, it should be understood that protection scope of the present invention is not limited to such specific embodiments and embodiments.For ability
For the technical staff in domain, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made
Any modification, equivalent substitution, improvement and etc. should be included within scope of the presently claimed invention.
Claims (6)
1. a kind of multichannel measurement information configuration method based on space lattice alignment of data, which is characterized in that including：
S1, space surveillance region carry out space lattice division, and space monitoring region is evenly dividing as longitude, latitude, height
The total G of respectively Δ Lo × Δ La × Δ H sizemaxA rectangular space grid is successively N to each space lattice numberG1,
NG2,…,NGmax；
S2, determine that each space lattice geometric center corresponds to the azimuth angle theta of each radar, pitch angleAnd distance rs, and according to each grid
Lattice geometric center corresponds to the azimuth angle theta of each radar website, pitch angleAnd distance rsEstablish space lattice position information set；
S3, the number for recording all illuminated space lattices construct grid search matrix；
S4, it determines radar illumination mode, the grid search matrix in step S3 and the radar illumination mode determined is corresponded,
Obtain two-dimensional grid-mode search matrix；
Radar illumination mode determination process is：Any time, in space any grid by the part radar illumination in the portion N radar,
Radiation situation is sharedKind, each moment determines a kind of irradiation mode；
S5, the azimuth angle theta information that each radar is corresponded to according to the grid that grid positions information collection provides, are established based on mode label
Space lattice corresponds to each channel by the deflection retrieval information of pretreated radar echo signal, the deflection retrieval letter
Breath includes that direction of the launch angle indexesAnd receiving direction angle index
S6, the pitch angle information that each radar is corresponded to according to the grid that grid positions information collection provides, are established based on mode label
Space lattice corresponds to each channel by the pitch angle retrieval information of pretreated radar echo signal, the pitch angle retrieval letter
Breath includes transmitting pitch angle indexAnd receive pitch angle index
S7, the range information that each radar is corresponded to according to the grid that grid positions information collection provides, establish the sky based on mode label
Between grid correspond to each channel by pretreated radar echo signal distance unit index
S8, it is indexed according to grid number, distance unitDirection of the launch angle indexReceiving direction angle indexTransmitting is bowed
Elevation angle indexReceive pitch angle indexThis sextuple information, obtains the offline raster data table of each radar；
Not by the redundancy grid of beam in S9, the offline raster data table of removal, updated offline raster data is obtained
Table.
2. a kind of multichannel measurement information configuration method based on space lattice alignment of data according to claim 1,
It is characterized in that, space lattice described in step S5 corresponds to direction of the launch angle indexProcess be：
A1, azimuth firing angle θ of the space lattice to reference numeral for the radar of i is obtained by step S2it；
A2, each launching beam deflection for determining the radar；
A3, each launching beam deflection and θ are calculateditAngle, if angle be greater than launching beam deflection maximal cover angle
Degree, then space lattice corresponds to launching beam deflection index as sky；Otherwise, it finds out so that the smallest launching beam deflection of angle
Launching beam deflection index is corresponded to as space lattice.
3. a kind of multichannel measurement information configuration method based on space lattice alignment of data according to claim 1,
It is characterized in that, space lattice described in step S5 corresponds to receiving direction angle indexProcess be：
B1, reception azimuth angle theta of the space lattice to reference numeral for the radar of i is obtained by step S2ir；
B2, each reception wave beam deflection for determining the radar；
B3, each reception wave beam deflection and θ are calculatedirAngle, if angle be greater than receive wave beam deflection maximal cover angle
Degree, then the corresponding wave beam deflection index that receives of space lattice is sky；Otherwise, it finds out so that the smallest reception wave beam deflection of angle
It is indexed as the corresponding wave beam deflection that receives of space lattice.
4. a kind of multichannel measurement information configuration method based on space lattice alignment of data according to claim 1,
It is characterized in that, the corresponding transmitting pitch angle index of space lattice described in step S6Process be：
A`1, transmitting pitch angle of the space lattice to reference numeral for the radar of i is obtained by step S2
A`2, each launching beam pitch angle for determining the radar；
A`3, calculate each launching beam pitch angle withAngle, if angle be greater than launching beam pitch angle maximal cover angle
Degree, then space lattice corresponds to launching beam pitch angle index as sky；Otherwise, it finds out so that the smallest launching beam pitch angle of angle
Launching beam pitch angle index is corresponded to as space lattice.
5. a kind of multichannel measurement information configuration method based on space lattice alignment of data according to claim 1,
It is characterized in that, space lattice described in step S6 is corresponding to receive pitch angle indexProcess be：
B`1, reception pitch angle of the space lattice to reference numeral for the radar of i is obtained by step S2
B`2, each reception wave beam pitch angle for determining the radar；
B`3, calculate each receptions wave beam pitch angle andAngle, if angle be greater than receive wave beam pitch angle maximal cover angle
Degree, then the corresponding wave beam pitch angle index that receives of space lattice is sky；Otherwise, it finds out so that the smallest reception wave beam pitch angle of angle
It is indexed as the corresponding wave beam pitch angle that receives of space lattice.
6. a kind of multichannel measurement information configuration method based on space lattice alignment of data according to claim 1,
It is characterized in that, updated offline raster data table described in step S9 is compiled according to zone number, transmitted wave bit number, reception radar
Number, transmitting radar number carry out structured storage respectively.
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| CN107015205B (en) * | 2017-03-15 | 2020-03-27 | 电子科技大学 | False target elimination method for distributed MIMO radar detection |
| CN107589409B (en) * | 2017-08-22 | 2020-07-21 | 电子科技大学 | Distributed low-traffic detection fusion method for MIMO radar with separate antennas |
| CN112068125B (en) * | 2020-08-18 | 2023-09-08 | 南京六季光电技术研究院有限公司 | Six-dimensional ground penetrating radar system |
| CN113835078B (en) * | 2021-11-30 | 2022-03-04 | 中国电子科技集团公司信息科学研究院 | Signal level joint detection method and device based on local three-dimensional grid |
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