CN105607115A - Shot point arrangement method and device - Google Patents
Shot point arrangement method and device Download PDFInfo
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- CN105607115A CN105607115A CN201510961850.2A CN201510961850A CN105607115A CN 105607115 A CN105607115 A CN 105607115A CN 201510961850 A CN201510961850 A CN 201510961850A CN 105607115 A CN105607115 A CN 105607115A
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- G—PHYSICS
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- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/02—Generating seismic energy
- G01V1/104—Generating seismic energy using explosive charges
- G01V1/13—Arrangements or disposition of charges to produce a desired pattern in space or time
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Abstract
The invention provides a shot point arrangement method and device, wherein method comprises the steps: acquiring covering times, an offset azimuth coverage needing to be compensated and a offset distance range needing to be compensated of every surface element in a to-be-compensated area in a work area; and encrypting the shot point according to the above values. In the embodiment of the invention, the arrangement of the covering times, the offset azimuth and the offset distance of every surface element is comprehensively considered, the covering times compensation is performed in the offset azimuth coverage and offset distance range, and an optimal encrypted shot point position is automatically obtained. The covering times, and the arrangement of the offset azimuth and the offset distance are considered for the arrangement of the encrypted shot point, therefore the finally obtained compensated work area surface element attributes are more reasonable and reliable than before, so that the redundancy problem of the surface element attributes is solved, the possibility of the appearance of the redundant encrypted shot point is reduced, and the work efficiency is greatly improved.
Description
Technical field
The present invention relates to seismic exploration technique field, the method and apparatus that particularly a kind of shot point is laid.
Background technology
In seismic prospecting, when detecting while there is barrier in survey area, corresponding shot point need to be offset out to obstacleDistrict or directly deletion. In the time of shot point skew or part shot point disappearance, the bin attribute of barrier can produce certainChange, be embodied in: the distribution disappearance of local degree of covering reduction, source receiver azimuth angle and offset distance or inhomogeneous.In this case, need to carry out shot point encryption at barrier periphery, to compensate the bin attribute of variation, thereby meetBin attribute demand and geological tasks requirement.
Be mainly to carry out shot point encryption by artificial method at present, that is, the reality distributing according to degree of covering is wantedAsk, determine the region that need to carry out degree of covering compensation, then at the manual shot point of encrypting of this area peripheral edge, then calculating is coveredLid number of times distributes. If degree of covering still can not meet actual requirement, repeat said process, until degree of coveringTill meeting the demands. But this artificial method is carried out shot point and is added the generation that secret meeting causes unnecessary encryption shot point.
While encrypting shot point for above-mentioned employing manual method, cannot solve the problem of occurred unnecessary encryption shot point, at presentEffective solution is not yet proposed.
Summary of the invention
A kind of method that the embodiment of the present invention provides shot point to lay, encrypts to solve available technology adopting manual methodWhen shot point, cannot solve the problem of occurred unnecessary encryption shot point.
A kind of method that the embodiment of the present invention provides shot point to lay, the method comprises: obtain region to be compensated in work areaThe degree of covering of interior each bin, the source receiver azimuth angular region that need to compensate and the offset distance scope that needs compensation; RootAccording to the degree of covering of described each bin, described source receiver azimuth angular region and described need to compensate inclined to one side that needs compensationMove apart from scope, carry out shot point encryption.
In one embodiment, according to the degree of covering of described each bin, the described source receiver azimuth angle model that needs compensationEnclose and the described offset distance scope that needs compensation, carry out shot point encryption, comprising: according to pre-defined rule, described waiting mendedRepay region and amplify, obtain the first encryption shot point and lay district; From the degree of covering of described each bin, select and coverOne or more bins of lid least number of times; Determine the center position of described one or more bins; According to describedThe center position of one or more bins and the described source receiver azimuth angular region that needs compensation, encrypt big gun described firstOn the basis in some laying district, obtain the second encryption shot point and lay district; According to the center position of described one or more binsWith the described offset distance scope that needs compensation, on the basis in described the second encryption shot point laying district, obtain the 3rd and encrypt big gunPoint is laid district; Obtain the described the 3rd encrypt shot point lay all encryption shot points in district degree of covering region and described inThe overlapping area in region to be compensated; When overlapping area is maximum, corresponding shot point is as encrypting shot point.
In one embodiment, in the time that overlapping area is maximum corresponding shot point after encrypting shot point, described sideMethod also comprises: the degree of covering that redefines each bin; According to the degree of covering of each bin redefining, instituteState and need the source receiver azimuth angular region of compensation and the described offset distance scope that needs compensation, carry out shot point encryption, untilThe degree of covering of each bin after shot point is encrypted reaches the minimum of a value of the described degree of covering that needs compensation.
In one embodiment, according to pre-defined rule, described region to be compensated is amplified, obtain the first encryption shot pointLay district, comprising: taking the frame in described region to be compensated as benchmark, described region to be compensated frame along reception line sideTo the distance of arranging sheet length to external expansion 1/4th, described region to be compensated frame along big gun line direction to external expansion1/4th arrange the distance of sheet width; Shot point is encrypted to as described first in region after expansion and lay district.
In one embodiment, according to the center position of described one or more bins and the described big gun inspection that needs compensationAzimuth coverage obtains the second encryption shot point and lays district on the basis in described the first encryption shot point laying district, comprising:Encrypt shot point described first and lay in district, using described center position as the described source receiver azimuth angle model that needs compensationThe minimum azimuth of enclosing and maximum azimuthal starting point, with described minimum azimuth, described maximum azimuth and describedOne encrypts shot point lays the region of defining in district as described the second encryption shot point laying district.
In one embodiment, according to the center position of described one or more bins and the described skew that needs compensationApart from scope, on the basis in described the second encryption shot point laying district, obtain the 3rd and encrypt shot point laying district, comprising: calculateIn described the second encryption shot point laying district, each encrypts the distance of shooting distance from described center position; Below reservation meetsThe encryption shot point of formula:
d1≤2d≤d2
Wherein, d1Represent the minimum of a value of the described offset distance scope that needs compensation, d2Represent described the inclined to one side of compensation that needMove the maximum apart from scope, d represents the distance of each encryption shooting distance from described center position; By the encryption retainingShot point region is encrypted as the 3rd in the region that shot point forms.
In one embodiment, obtain a degree of covering of all encryption shot points in described the 3rd encryption shot point laying districtThe overlapping area in region and described region to be compensated, comprising: obtain the described the 3rd and encrypt all encryptions in shot point laying districtThe overlapping area of the minimum one or more bins of degree of covering region of shot point and described degree of covering; Retain instituteStating overlapping area is greater than zero region and encrypts shot point as the 4th and lay district; Obtaining the described the 4th encrypts in shot point laying districtDegree of covering region of all encryption shot points and the overlapping area in described region to be compensated.
In one embodiment, determine the center position of described one or more bins according to following formula:
Wherein, X0Represent the abscissa of described center position, Y0Represent the ordinate of described center position,(xi,yj) represent the center point coordinate of each bin in the minimum one or more bins of described degree of covering, wherein,I=1,2 ..., N, j=1,2 ..., N, N represents the number of the minimum bin of degree of covering, n represents xiIn allWith the number of value, m represents the center position of each bin in the minimum one or more bins of described degree of coveringAbscissa is X0The number of bin.
In one embodiment, comprising: acquisition module, for obtaining in work area covering of each bin in region to be compensatedLid number of times, the source receiver azimuth angular region that need to compensate and the offset distance scope that needs compensation; Encrypting module, for rootAccording to the degree of covering of described each bin, described source receiver azimuth angular region and described need to compensate inclined to one side that needs compensationMove apart from scope, carry out shot point encryption.
In one embodiment, described encrypting module comprises: the first ciphering unit, for according to pre-defined rule to describedAmplify in region to be compensated, obtains the first encryption shot point and lay district; The first selected cell, for from described each faceIn the degree of covering of unit, select the minimum one or more bins of degree of covering; Determining unit, described in determiningThe center position of one or more bins; The second ciphering unit, for according to the center of described one or more binsPoint position and the described source receiver azimuth angular region that needs compensation obtain on the basis in described the first encryption shot point laying districtSecond encrypts shot point lays district; The 3rd ciphering unit, for according to the center position of described one or more bins andThe described offset distance scope that needs compensation obtains the 3rd and encrypts shot point on the basis in described the second encryption shot point laying districtLay district; Area computing unit, encrypts shot point and lays once covering of all encryption shot points in district for obtaining the described the 3rdThe overlapping area in lid number of times region and described region to be compensated; Shot point acquiring unit, for by maximum overlapping area time instituteCorresponding shot point is as encrypting shot point.
In embodiments of the present invention, considered the degree of covering of each bin, big gun inspection in region to be compensated in work areaDegree of covering compensation is carried out in the distribution of azimuth and offset distance within the scope of source receiver azimuth angle and offset distance, automatically obtainsObtain optimum encryption shot position. Encrypting the laying of shot point has not only considered degree of covering but also has considered Liao Bao procuratorial organ simultaneouslyThe distribution of parallactic angle and offset distance, thereby the bin attribute in the work area after overcompensation finally obtaining is more rationally reliable,Be embodied in degree of covering and be more evenly distributed, it is more reasonable that source receiver azimuth angle and offset distance distribute, thereby solved faceThe redundancy issue of meta-attribute, has reduced the possibility that occurs unnecessary encryption shot point, has improved greatly operating efficiency.
Brief description of the drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, noForm limitation of the invention. In the accompanying drawings:
Fig. 1 is according to the flow chart of the method for the shot point laying of the embodiment of the present invention;
Fig. 2 is the degree of covering distribution schematic diagram according to the bin of the embodiment of the present invention;
Fig. 3 is the geophone offset azimuthal distribution schematic diagram according to the bin of the embodiment of the present invention;
Fig. 4 is the offset distance distribution schematic diagram according to the bin of the embodiment of the present invention;
Fig. 5 is according to area schematic to be compensated in the work area of the embodiment of the present invention;
Fig. 6 lays area schematic according to the encryption shot point of the embodiment of the present invention;
Fig. 7 distributes according to each bin degree of covering in the region to be compensated after the encryption shot point of the embodiment of the present inventionSchematic diagram;
Fig. 8 is according to a kind of structured flowchart of the shot point installation aiding device of the embodiment of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing,The present invention is described in further details. At this, exemplary embodiment of the present invention and explanation thereof are used for explaining thisBright, but not as a limitation of the invention.
Consider when available technology adopting manual method is carried out shot point encryption laying, only used degree of covering to distributeBin attribute, and the synthesized attribute of bin distributes except comprising degree of covering, also comprises source receiver azimuth angle and offset distanceDistribution situation. Therefore the encryption that the distribution situation of source receiver azimuth angle and offset distance is also introduced shot point by inventor is laidIn, carry out Automatic Optimal according to the synthesized attribute of bin, find optimum position and lay encryption shot point, therebyEffectively solve the problem of carrying out the unnecessary encryption shot point occurring when shot point is encrypted laying. Particularly, in this example,A kind of method that provides shot point to lay, as shown in Figure 1, can comprise the following steps:
Step 101: obtain the source receiver azimuth that in work area, in region to be compensated, the degree of covering of each bin, needs compensateAngular region and the offset distance scope that need to compensate;
In seismic prospecting, when detecting while there is barrier in survey area, corresponding shot point need to be offset out to obstacleDistrict or directly deletion. But in the time of shot point skew or part shot point disappearance, the bin attribute of barrier can produceCertain variation. In this case, need to carry out shot point encryption at barrier periphery, belong to the bin that compensates variationProperty, thus meet the demand of bin attribute.
Bin attribute comprises degree of covering, source receiver azimuth angle and the offset distance of bin. Calculate each bin in work areaAttribute, finds the position of barrier periphery optimum and lays shot point, thereby reduces the possibility that produces unnecessary encryption shot pointProperty. The bin property distribution figure calculating in the present embodiment as shown in Figure 2, Figure 3 and Figure 4, wherein shown in Fig. 2For degree of covering distribution schematic diagram, Figure 3 shows that geophone offset azimuthal distribution schematic diagram, Figure 4 shows that offset distance dividesCloth schematic diagram.
Obtaining after the attribute of each bin in work area, can need accordingly to mend by need statistics, the analysis of realityThe bin range of attributes of repaying. Concrete, in the present embodiment, needing the degree of covering scope of compensation is f1～f2, needThe azimuth coverage compensating is α1～α2, need compensation offset distance scope be d1～d2。
According to this analysis result, corresponding, can choose the region that need to carry out the compensation of bin attribute. As shown in Figure 5For area schematic to be compensated in work area.
Step 102: according to the degree of covering of described each bin, described need compensation degree of covering minimum of a value,Described source receiver azimuth angular region and the described offset distance scope that needs compensation that needs compensation, carries out shot point encryption.
After the bin range of attributes of compensation, can carry out according to following steps obtaining needing in region to be compensated in work areaShot point is encrypted:
S1: according to pre-defined rule, described region to be compensated is amplified, obtain the first encryption shot point and lay district;
, taking the frame in described region to be compensated as benchmark, described region to be compensated frame is outside along receiving line directionThe distance of sheet length is arranged in expansion 1/4th, described region to be compensated frame along big gun line direction to external expansion four/One arranges the distance of sheet width; Shot point is encrypted to as described first in region after expansion and lay district.
Concrete, can lay area schematic by encryption shot point as shown in Figure 6 this step is carried out specificallyBright. Rectangular area abcd in Fig. 6 is the region to be compensated in work area, taking the frame of rectangular area abcd as benchmark,Be the direction of line segment ab along take-up direction rectangular area abcd frame, arrange sheet length to external expansion 1/4thDistance; Be the direction of line segment bc rectangular area abcd frame along big gun line direction, arrange sheet to external expansion 1/4thThe distance of width is the rectangular area ABCD in Fig. 6 thereby can obtain the first encryption shot point laying district. Wherein,In this rectangular area taking acceptance point apart from as receiving the line direction length of side, the shooting distance all joints as the grid of the big gun line direction length of sidePoint is alternative encryption shot position.
S2: select the minimum one or more bins of degree of covering from the degree of covering of described each bin;
S3: the center position of determining described one or more bins;
The degree of covering of each bin in region to be compensated, select minimum one or more of degree of coveringAfter unit, by sort methods such as bubblings, determine the center position of one or more bins according to following formula(X0,Y0), encryption shot point is as shown in Figure 6 laid the O point in area schematic:
Wherein, X0Represent the abscissa of center position, Y0Represent the ordinate of center position, (xi,yj) representThe center point coordinate of each bin in the minimum one or more bins of degree of covering, wherein, i=1,2 ..., N,J=1,2 ..., N, N represents the number of the minimum bin of degree of covering. Use the sort methods such as bubbling to central point positionAll different values of the abscissa of putting sort and obtain (x1,x2,…,xi,…,xn), wherein, n≤N, n represents xiInThe number of all different values; Using the sort methods such as bubbling is X to the abscissa of center position0The center of binPoint ordinate sorts and obtains (y1,y2,…,yi,…,ym), wherein, m≤N, m represents the horizontal stroke of center positionCoordinate is X0The number of bin.
S4: according to the center position of described one or more bins and the described source receiver azimuth angular region that needs compensation,On the basis in described the first encryption shot point laying district, obtain the second encryption shot point and lay district;
Concrete, encrypt shot point described first and lay in district, need compensation using described center position as describedThe minimum azimuth of source receiver azimuth angular region and maximum azimuthal starting point, with described minimum azimuth, described the most generousParallactic angle and described first is encrypted shot point and is laid the region of defining in district as described the second encryption shot point laying district.
Further, can lay area schematic by encryption shot point as shown in Figure 6 carries out concrete to this stepExplanation. Laying district at the first encryption shot point is in the ABCD of rectangular area, mends as needs using center position O pointThe minimum azimuth angle alpha of the source receiver azimuth angular region of repaying1With maximum azimuth angle alpha2Starting point, can obtain two ray OPAnd OQ, the region OECF being surrounded using these two rays and rectangular area ABCD is as the second encryption shot point clothIf district.
S5: according to the center position of described one or more bins and the described offset distance scope that needs compensation, in instituteStating the second encryption shot point lays and on the basis in district, obtains the 3rd and encrypt shot point and lay district;
Utilize the offset distance scope d that needs compensation1～d2, further dwindle the region that need to carry out shot point encryption, reduceAmount of calculation, increases work efficiency. Concrete, can obtain the 3rd according to following steps and encrypt shot point laying district:
S5-1: calculate described second and encrypt shot point and lay in district each encryption shooting distance from the distance of described center positionFrom;
S5-2: retain the encryption shot point that meets following formula:
d1≤2d≤d2
Wherein, d1Represent the minimum of a value of the described offset distance scope that needs compensation, d2Represent described the inclined to one side of compensation that needMove the maximum apart from scope, d represents the distance of each encryption shooting distance from described center position;
S5-3: shot point region is encrypted as the 3rd in the region that the encryption shot point of reservation is formed.
In this example, the 3rd encryption shot point laying district finally obtaining is the encryption shot point laying region shown in Fig. 6 and showsIJGHF in intention.
S6: obtain the described the 3rd encrypt shot point lay all encryption shot points in district degree of covering region and described in treatThe overlapping area of compensatory zone;
S7: when overlapping area is maximum, corresponding shot point is as encrypting shot point.
Obtaining, behind the 3rd encryption shot point region, can determining encryption shot position according to following steps:
S7-1: calculate a 3rd degree of covering region of encrypting all encryption shot points in shot point laying district;
S7-2: judge the minimum one or more bins of degree of covering in this degree of covering region and region to be compensatedWhether overlapping, if overlapping, calculate the overlapping area in this degree of covering region and region to be compensated;
S7-3: corresponding shot point while selecting above-mentioned overlapping area maximum, is one and encrypts shot point.
After obtaining an encryption shot point, can redefine and encrypt each bin in shot point region to be compensated afterwardsDegree of covering, and according to the degree of covering of each bin redefining, need compensation source receiver azimuth angular regionα1～α2And the offset distance scope d that need to compensate1～d2, carry out shot point encryption, until each after shot point encryptionThe degree of covering of bin reaches the minimum of a value f of the degree of covering that needs compensation1Till, complete the encryption of shot point, as Fig. 5Encryption shot point in shown work area in area schematic to be compensated.
In final work area, in region to be compensated, degree of covering, source receiver azimuth angle and the offset distance of each bin all can obtainCompensation, is illustrated in figure 7 each bin degree of covering distribution schematic diagram in the region to be compensated of encrypting after shot point.
Based on same inventive concept, the device that also provides a kind of shot point to lay in the embodiment of the present invention, as reality belowExecute described in example. Because the principle that the device of shot point laying is dealt with problems is similar to the method for shot point laying, therefore shot point clothIf the enforcement of method that can lay referring to shot point of the enforcement of device, repeat part and repeat no more. It is following used,Term " unit " or " module " can realize the combination of software and/or the hardware of predetermined function. Although following realExecute routine described device and preferably realize with software, but hardware, or the realization of the combination of software and hardware is alsoMay and be conceived. Fig. 8 is a kind of structured flowchart of the device of the shot point laying of the embodiment of the present invention, as Fig. 8Shown in, comprising: acquisition module 801, encrypting module 802, describe this structure below.
Acquisition module 801, for obtaining in work area the degree of covering of each bin in region to be compensated, need compensationSource receiver azimuth angular region and the offset distance scope that need to compensate;
Encrypting module 802, for according to described in the degree of covering of described each bin, need compensation source receiver azimuth angle modelEnclose and the described offset distance scope that needs compensation, carry out shot point encryption.
In one embodiment, described encrypting module comprises: the first ciphering unit, for according to pre-defined rule to instituteState region to be compensated and amplify, obtain the first encryption shot point and lay district; The first selected cell, for from described eachIn the degree of covering of bin, select the minimum one or more bins of degree of covering; Determining unit, for determiningState the center position of one or more bins; The second ciphering unit, for according to described one or more binsHeart point position and the described source receiver azimuth angular region that needs compensation, on the basis in described the first encryption shot point laying districtLay district to the second encryption shot point; The 3rd ciphering unit, for according to the center position of described one or more binsWith the described offset distance scope that needs compensation, on the basis in described the second encryption shot point laying district, obtain the 3rd and encrypt big gunPoint is laid district; Area computing unit, encrypts shot point and lays in district all encryption shot points once for obtaining the described the 3rdThe overlapping area in degree of covering region and described region to be compensated; Shot point acquiring unit, when maximum by overlapping areaCorresponding shot point is as encrypting shot point.
In one embodiment, above-mentioned encrypting module can also comprise: the second selected cell, and for by faying surfaceWhen long-pending maximum, corresponding shot point, as after encrypting shot point, redefines the degree of covering of each bin; Repeat to encryptUnit, for according to the degree of covering of each bin of redefining, the described source receiver azimuth angular region that needs compensation withAnd the described offset distance scope that needs compensation, carry out shot point encryption, until the covering time of each bin after shot point encryptionNumber reaches the minimum of a value of the described degree of covering that needs compensation.
In one embodiment, described the first ciphering unit comprises: compensation subelement, and for described district to be compensatedThe frame in territory is benchmark, and described region to be compensated frame is arranged to sheet length along receiving line direction to external expansion 1/4thDistance, the distance of described region to be compensated frame being arranged to sheet width along big gun line direction to external expansion 1/4th; TheOne shot point is laid subelement, lays district for shot point is encrypted to as described first in the region after expansion.
In one embodiment, described the second ciphering unit comprises: the second shot point is laid subelement, described firstEncrypt shot point and lay in district, the minimum side using described center position as the described source receiver azimuth angular region that needs compensationParallactic angle and maximum azimuthal starting point, encrypt shot point with described minimum azimuth, described maximum azimuth and described firstLay the region of defining in district and encrypt shot point laying district as described second.
In one embodiment, described the 3rd ciphering unit comprises: apart from computation subunit, for calculating describedIn two encryption shot points laying districts, each encrypts the distance of shooting distance from described center position; Encrypt shot point and retain son listUnit, for retaining the encryption shot point that meets following formula:
d1≤2d≤d2
Wherein, d1Represent the minimum of a value of the described offset distance scope that needs compensation, d2Represent described the inclined to one side of compensation that needMove the maximum apart from scope, d represents the distance of each encryption shooting distance from described center position;
The 3rd shot point is laid subelement, encrypts shot point district for the region that the encryption shot point of reservation is formed as the 3rdTerritory.
In one embodiment, described area computing unit comprises: overlapping area computation subunit, and for obtainingStating the 3rd encrypts shot point to lay degree of covering region and the described degree of covering of all encryption shot points in district minimumThe overlapping area of one or more bins; The 4th shot point is laid subelement, is greater than zero for retaining described overlapping areaRegion is encrypted shot point as the 4th and is laid district; Overlapping area is obtained subelement, encrypts shot point cloth for obtaining the described the 4thIf the overlapping area in all encryption shot points degree of covering region and described region to be compensated in district.
In one embodiment, described determining unit is described one or more specifically for determining according to following formulaThe center position of bin:
Wherein, X0Represent the abscissa of described center position, Y0Represent the ordinate of described center position,(xi,yj) represent the center point coordinate of each bin in the minimum one or more bins of described degree of covering, wherein,I=1,2 ..., N, j=1,2 ..., N, N represents the number of the minimum bin of degree of covering, n represents xiIn allWith the number of value, m represents the center position of each bin in the minimum one or more bins of described degree of coveringAbscissa is X0The number of bin.
As can be seen from the above description, the embodiment of the present invention has realized following technique effect: considered workThe distribution of the degree of covering of each bin, source receiver azimuth angle and offset distance in region to be compensated in district, at source receiver azimuthWithin the scope of angle and offset distance, carry out degree of covering compensation, automatically obtain optimum encryption shot position. Encrypt the cloth of shot pointIf not only considered degree of covering but also considered the distribution of source receiver azimuth angle and offset distance simultaneously, thereby finally obtainThe bin attribute in the work area after overcompensation is more rationally reliable, is embodied in degree of covering and is more evenly distributed, big gun inspectionIt is more reasonable that azimuth and offset distance distribute, thereby solved the redundancy issue of bin attribute, reduced and occurred unnecessary addingThe possibility of close shot point, has improved operating efficiency greatly.
Obviously, it is apparent to those skilled in the art that each module of the above-mentioned embodiment of the present invention or each step are passableRealize with general calculation element, they can concentrate on single calculation element, or are distributed in multiple calculatingOn the network that device forms, alternatively, they can be realized with the executable program code of calculation element, thereby,They can be stored in storage device and be carried out by calculation element, and in some cases, can be to be different fromOrder is herein carried out shown or described step, or they are made into respectively to each integrated circuit modules, orPerson is made into single integrated circuit module by the multiple modules in them or step and realizes. Like this, the embodiment of the present inventionBe not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this areaArt personnel, the embodiment of the present invention can have various modifications and variations. It is within the spirit and principles in the present invention all,Any amendment of doing, be equal to replacement, improvement etc., within protection scope of the present invention all should be included in.
Claims (10)
1. the method that shot point is laid, is characterized in that, comprising:
Obtain in work area the degree of covering of each bin in region to be compensated, need compensation source receiver azimuth angular region andNeed the offset distance scope of compensation;
According to the degree of covering of described each bin, described source receiver azimuth angular region and the described benefit that needs that needs compensationThe offset distance scope of repaying, carries out shot point encryption.
2. the method for claim 1, is characterized in that, according to the degree of covering of described each bin, instituteState and need the source receiver azimuth angular region of compensation and the described offset distance scope that needs compensation, carry out shot point encryption, comprising:
According to pre-defined rule, described region to be compensated is amplified, obtain the first encryption shot point and lay district;
From the degree of covering of described each bin, select the minimum one or more bins of degree of covering;
Determine the center position of described one or more bins;
According to the center position of described one or more bins and the described source receiver azimuth angular region that needs compensation, in instituteStating the first encryption shot point lays and on the basis in district, obtains the second encryption shot point and lay district;
According to the center position of described one or more bins and the described offset distance scope that needs compensation, described theOn the basis in two encryption shot points laying districts, obtain the 3rd and encrypt shot point laying district;
Obtain the described the 3rd encrypt shot point lay all encryption shot points in district degree of covering region and described in wait to mendRepay the overlapping area in region;
When overlapping area is maximum, corresponding shot point is as encrypting shot point.
3. method as claimed in claim 2, is characterized in that, corresponding shot point in the time that overlapping area is maximumAfter encrypting shot point, described method also comprises:
Redefine the degree of covering of each bin;
According to the degree of covering of each bin redefining, described need compensation source receiver azimuth angular region and described inNeed the offset distance scope of compensation, carry out shot point encryption, until the degree of covering of each bin after shot point encryption reachesThe minimum of a value of the described degree of covering that needs compensation.
4. method as claimed in claim 2, is characterized in that, according to pre-defined rule, described region to be compensated is enteredRow amplifies, and obtains the first encryption shot point and lays district, comprising:
Taking the frame in described region to be compensated as benchmark, described region to be compensated frame along receiving line direction to external expansion1/4th arrange the distance of sheet length, and described region to be compensated frame is arranged to external expansion 1/4th along big gun line directionThe distance of row sheet width;
Shot point is encrypted to as described first in region after expansion and lay district.
5. method as claimed in claim 2, is characterized in that, according to the central point of described one or more binsPosition and the described source receiver azimuth angular region that needs compensation, encrypt shot point described first and lay and on the basis in district, obtain theTwo encrypt shot point lays district, comprising:
Encrypt shot point described first and lay in district, using described center position as the described source receiver azimuth that needs compensationThe minimum azimuth of angular region and maximum azimuthal starting point, with described minimum azimuth, described maximum azimuth and instituteState the first encryption shot point and lay the region of defining in district as described the second encryption shot point laying district.
6. method as claimed in claim 2, is characterized in that, according to the central point of described one or more binsPosition and the described offset distance scope that needs compensation obtain the 3rd and add on the basis in described the second encryption shot point laying districtClose shot point is laid district, comprising:
Calculating described second encrypts shot point and lays in district each encryption shooting distance from the distance of described center position;
Retain the encryption shot point that meets following formula:
d1≤2d≤d2
Wherein, d1Represent the minimum of a value of the described offset distance scope that needs compensation, d2Represent described the inclined to one side of compensation that needMove the maximum apart from scope, d represents the distance of each encryption shooting distance from described center position;
Shot point region is encrypted as the 3rd in the region that the encryption shot point of reservation is formed.
7. method as claimed in claim 2, is characterized in that, obtains the described the 3rd and encrypts institute in shot point laying districtThe overlapping area that has degree of covering region and the described region to be compensated of encrypting shot point, comprising:
Obtain the described the 3rd degree of covering region and the described covering of encrypting shot point and laying all encryption shot points in districtThe overlapping area of one or more bins of least number of times;
Retaining described overlapping area is greater than zero region and encrypts shot point as the 4th and lay district;
Obtain the described the 4th encrypt shot point lay all encryption shot points in district degree of covering region and described in wait to mendRepay the overlapping area in region.
8. method as claimed in claim 2, is characterized in that, determines described one or many according to following formulaThe center position of individual bin:
Wherein, X0Represent the abscissa of described center position, Y0Represent the ordinate of described center position,(xi,yj) represent the center point coordinate of each bin in the minimum one or more bins of described degree of covering, wherein,I=1,2 ..., N, j=1,2 ..., N, N represents the number of the minimum bin of degree of covering, n represents xiIn allWith the number of value, m represents the center position of each bin in the minimum one or more bins of described degree of coveringAbscissa is X0The number of bin.
9. the device that shot point is laid, is characterized in that, comprising:
Acquisition module, for obtaining the big gun inspection of the degree of covering of each bin, needs compensation in region to be compensated in work areaAzimuth coverage and the offset distance scope that need to compensate;
Encrypting module, for the source receiver azimuth angular region compensating according to the degree of covering of described each bin, described needsAnd the described offset distance scope that needs compensation, carry out shot point encryption.
10. device as claimed in claim 9, is characterized in that, described encrypting module comprises:
The first ciphering unit, for described region to be compensated being amplified according to pre-defined rule, obtains the first encryption big gunPoint is laid district;
The first selected cell, for select from the degree of covering of described each bin degree of covering minimum orMultiple bins;
Determining unit, for determining the center position of described one or more bins;
The second ciphering unit, for according to the center position of described one or more bins and described need compensation big gunInspection azimuth coverage obtains the second encryption shot point and lays district on the basis in described the first encryption shot point laying district;
The 3rd ciphering unit, for according to the center position of described one or more bins and described need compensation partiallyMove apart from scope, on the basis in described the second encryption shot point laying district, obtain the 3rd and encrypt shot point laying district;
Area computing unit, for obtaining the described the 3rd once covering time of encrypting all encryption shot points in shot point laying districtThe overlapping area in number region and described region to be compensated;
Shot point acquiring unit, corresponding shot point is as encrypting shot point when overlapping area is maximum.
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