CN114897970A - Method for calculating vertical target precision of large-caliber sniping weapon - Google Patents
Method for calculating vertical target precision of large-caliber sniping weapon Download PDFInfo
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Abstract
The invention discloses a method for calculating the target setting precision of a large-caliber sniping weapon, which measures the center of bullet coordinates of a sniping weapon bullet in a combined measurement mode through a photogrammetry method and a total station, obtains more accurate center of bullet coordinate information by comparing and analyzing measurement results, and improves the precision of the calculation result of the target setting precision, and the calculation method specifically comprises the following steps: arranging ammunition test vertical targets at a specific distance; acquiring the position coordinates of the core of the sniper weapon; the method and the device can be used for respectively measuring the coordinate information of the core of the sniping weapon bullet by a photogrammetry method and a total station instrument in a combined measurement mode, and obtaining more accurate coordinate information of the core of the sniping weapon by comparing and analyzing the measurement result, so that a computer can calculate more accurate coordinate information of the core of the sniping weapon, the target setting precision of the large-caliber sniping weapon can be calculated more accurately, and the calculation result precision of the target setting precision is ensured.
Description
Technical Field
The invention relates to the technical field of calculation of target setting precision, in particular to a method for calculating target setting precision of a large-caliber sniping weapon.
Background
Vertical target accuracy, i.e. vertical target density, is the density of the projectile spread relative to the center of the spread, usually by the radius of the spread circle R 100 Is represented by R 100 The shooting density is a general term of the shooting density and the shooting accuracy, under the same shooting condition, the density of the impact points of the shot relative to the average impact points is the shooting density, and the approach degree of the average impact points to the expected impact points is the shooting accuracy;
at present, when the vertical target precision of a sniping weapon is examined, 5 groups of sniper guns are shot, 3 shots are shot in each group, and R of the shot points of 3 shots in each group is calculated 100 When the vertical target accuracy of the small-caliber sniping weapon is checked, the scattering circle of the impact point is small, and R can be obtained by directly using compasses and a ruler 100 For a large-caliber sniper weapon, the dispersion circle is large, the target plate is not easy to disassemble, and R is not easy to directly obtain 100 In addition, the problem that measurement errors are prone to occur when the position information of the projectile core coordinate is measured in a single measurement mode at present, so that the accuracy of the vertical target precision calculation result is affected.
Disclosure of Invention
The invention provides a method for calculating the vertical target accuracy of a large-caliber sniping weapon, which can effectively solve the problems that the scattering circle is large, a target plate is not easy to disassemble and R is not easy to directly obtain for the large-caliber sniping weapon in the background technology 100 And, aim atThe problem that the position information of the projectile core coordinate is measured by the former single measuring mode easily causes measuring errors, and therefore the accuracy of the standing target precision calculation result is affected.
In order to achieve the purpose, the invention provides the following technical scheme: a method for calculating the target setting precision of a large-caliber sniping weapon comprises the steps of measuring the center of bullet coordinates of a sniping weapon bullet in a combined measuring mode through a photogrammetry method and a total station, obtaining more accurate center of bullet coordinate information through comparing and analyzing measuring results, and improving the calculation result precision of the target setting precision;
the calculation method specifically comprises the following steps:
firstly, arranging ammunition test vertical targets according to a specific distance;
acquiring the position coordinates of the core of the sniper weapon;
and step three, calculating the vertical target density of projectile distribution.
According to the technical scheme, in the first step, the ammunition test vertical targets are arranged at a specific distance, namely the vertical targets for checking the accuracy are arranged in a checking field of the vertical target accuracy of the sniping weapon, and can be wood plate targets or net targets, so that the shots of the sniping weapon can pass through the vertical targets and leave shot holes on the vertical targets when flying to the target surface of the vertical targets;
the distance between the set vertical target surface position and the shooting position of the sniping weapon is 200 m, and after the vertical target position is fixed, a vertical target cross line with a known length is marked at the central position of the vertical target.
According to the technical scheme, in the second step, the acquisition of the position coordinates of the projectile center of the sniping weapon is to examine the target setting precision of the sniping weapon on the same test target in the same examination field, 5 groups of shots are set to be shot by each ammunition gun, the landing point of each group of 3 shots is calculated, and when the landing point of the shot is calculated, the position information of the projectile center of the projectile is respectively measured mainly through different measuring modes;
the specific measurement process comprises the following measurement steps:
s1, measuring the coordinates of the bullet core by using a total station;
s2, measuring the coordinates of the bullet core by using a digital camera and a computer;
s3, comparing and analyzing the bullet coordinate data;
and S4, determining accurate data information of the bullet coordinates.
According to the above technical solution, in S1, the measuring the center of bullet coordinate by using the total station means measuring the center of bullet coordinate position information of the projectile on the standing target by using the total station;
when the total station actually measures the coordinate position information of the bullet center, the total station is erected at a position 200 meters in front of a target surface of a vertical target in an examination site for sniping weapons, and after the position of the total station is fixed, plane coordinate information from the bullet hole to the target center is measured through an airborne program arranged in the total station;
and in the actual measurement process, a measurement instruction is sent to the total station mainly through an airborne program in the total station, so that the target surface coordinate position information of the bullet hole is obtained, and the coordinate position information is stored in a built-in memory in the total station.
According to the technical scheme, after the total station acquires the coordinate position information of the center of the bullet hole, the coordinate position information stored in the total station is input into the computer through the RS-232C communication interface and the communication cable, and the coordinate information measured by the total station is transmitted in time.
According to the above technical solution, in S2, the digital camera and the computer are used to measure the core coordinates, which means that the digital camera and the computer form a test system to measure the core coordinate position information of the projectile on the standing target;
when a test system consisting of a digital camera and a computer actually measures the coordinate position information of the core of a bullet, the shooting process of the camera is controlled by a keyboard or a mouse of the computer, after a group of projectiles are shot, the digital camera is used for shooting the pictures of the scatter diagrams of the projectiles on the standing targets, after the pictures of the scatter diagrams are obtained, the pictures are synchronously transmitted to the computer, and the pictures of the scatter diagrams are processed by utilizing the image processing technology and the computer programming technology in the computer;
after the photo is processed, the mouse is moved on a shot scatter picture on a computer screen, the center of the positioning cross line of the mouse is aligned to the center of the shot hole on the picture, the mouse is lightly clicked, the coordinate value of the center of the shot hole can be obtained by calculating through the computer, and the calculated coordinate value of the center of the shot hole is stored in a designated data file in the computer.
According to the above technical solution, in S3, the comparing and analyzing of the core coordinate data refers to comparing and analyzing the core coordinate position information measured by the total station in S1 and the core coordinate position information measured by the test system formed by the digital camera and the computer in S2, and determining the difference between the core coordinate position information measured by two different measurement modes by continuously comparing and analyzing the core coordinate position information measured by the two different measurement modes, so that the field examination tester can know the core coordinate position information more clearly.
According to the above technical solution, in the step S4, the determining of the accurate data information of the core coordinate means that the core coordinate position information measured in the step S3 is analyzed and judged, and the accurate data information of the core coordinate is finally determined;
in the analysis and judgment process, when the difference value between the measurement data of the two groups of core coordinate position information is within a preset difference value range, taking the average value of the two groups of core coordinate position information data as the accurate data information of the core coordinate of the assessment test;
when the difference value between the measurement data of the two groups of core coordinate position information is out of the preset difference value range, judging the difference value between the two groups of core coordinate position information and the preset difference value range, locking the group of core coordinate position information with larger difference value, determining the measurement mode of the group of core coordinate position information, and measuring the core coordinate position information again through the measurement mode;
when the difference value between the two groups of core coordinate position information and the preset difference value range is large, the two groups of measurement modes need to be reused for carrying out re-measurement respectively so as to ensure the accuracy of the subsequently measured core coordinate position information.
According to the above technical solution, in the third step, the step of calculating the standing target density of the projectile distribution means that the standing target density of the projectile distribution is calculated by using a computer built-in executable program and combining the accurate data information of the center of bullet coordinates determined in the step S4, and the distribution circle radius R of the impact point of the projectile is calculated by the standing target density 100 。
According to the technical scheme, in the process of utilizing the computer to carry out specific calculation, accurate bullet center coordinate position information is input into the computer, a selection key for calculating the standing target density on the computer is pressed, and the standing target density of the group of projectile spread can be automatically displayed on a computer screen through the calculation of a built-in execution program of the computer.
Compared with the prior art, the invention has the beneficial effects that:
1. the core coordinate information of the sniping weapon bomb is respectively measured in a combined measuring mode through a photogrammetry method and a total station, more accurate core coordinate information is obtained through comparing and analyzing the measuring result, and the more accurate core coordinate information is conveniently calculated by a computer, so that the standing target precision of the large-caliber sniping weapon is more accurately calculated, the calculation result precision of the standing target precision is ensured, and the problem that the position information of the core coordinate of the projectile is easily subjected to measurement error in the conventional single measuring mode is solved;
moreover, the photogrammetry method and the total station measurement method can be used for carrying out independent measurement and calculation respectively, so that the large-caliber sniping weapon can be conveniently, timely and quickly measured and calculated, and the standing target accuracy of the large-caliber sniping weapon can be conveniently and quickly calculated.
2. By arranging the ammunition test vertical targets at a specific distance in the same assessment field, when the photographing measurement method and the total station measure the center of bullet coordinate information of sniping weapon ammunition, the ammunition can be ensured not to be influenced by external factors when shooting the target, so that the photographing measurement method and the total station measurement method can be used for measuring the ammunition impact target under the same measurement condition, and the measurement accuracy of two measurement modes is prevented from being influenced by the external factors.
3. The difference of the bullet coordinate position information measured by the two measurement modes can be conveniently and timely judged by continuously comparing and analyzing the bullet coordinate position information measured by the two measurement modes, so that field examination and test personnel can more clearly know the bullet coordinate position information, and meanwhile, accurate information of the final bullet coordinate can be conveniently determined by analyzing and judging the bullet coordinate position information measured by the two measurement modes, so that accurate calculation can be carried out on bullet coordinate information data better in the following process.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a flow chart of the steps of the computational method of the present invention;
FIG. 2 is a block flow diagram of the computational method of the present invention;
fig. 3 is an interface diagram of a computer of the invention calculating the radius of a three shot distribution circle of a 35 mm sniping grenade launcher.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1:
as shown in fig. 1-2, a method for calculating target setting accuracy of a large-caliber sniping weapon specifically includes the following steps:
firstly, arranging ammunition test vertical targets according to a specific distance;
acquiring the position coordinates of the core of the sniper weapon;
and step three, calculating the vertical target density of projectile scattering.
Based on the technical scheme, in the first step, the ammunition test vertical targets are arranged at a specific distance, namely, the vertical targets for checking the precision are arranged in a checking field of the vertical target precision of the sniping weapon, and the vertical targets are wood plate targets, so that shots of the sniping weapon can pass through the vertical targets and leave shot holes on the vertical targets when flying to the surface of the vertical targets;
the distance between the set vertical target surface position and the shooting position of the sniping weapon is 200 m, and after the vertical target position is fixed, a vertical target cross line with a known length is marked at the central position of the vertical target.
Based on the technical scheme, in the second step, acquiring the position coordinates of the projectile center of the sniping weapon means that the target setting precision of the sniping weapon is checked on the same test target in the same checking field, 5 groups of shots are set to be shot by each ammunition gun, each group of 3 shots is calculated, and the landing point of each group of 3 shots is calculated, and when the landing point of the shot is calculated, the position information of the projectile center of the projectile coordinate is respectively measured mainly through different measuring modes;
and measuring the coordinates of the bullet center by using a total station in a specific measuring process.
Based on the technical scheme, the total station is used for measuring the center of bullet coordinates, namely the total station is used for measuring the position information of the center of bullet coordinates of the projectile on the vertical target;
when the total station actually measures the coordinate position information of the bullet center, the total station is erected at a position 200 meters in front of a target surface of a vertical target in an examination site for sniping weapons, and after the position of the total station is fixed, plane coordinate information from the bullet hole to the target center is measured through an airborne program arranged in the total station;
and in the actual measurement process, a measurement instruction is sent to the total station mainly through an airborne program in the total station, so that the target surface coordinate position information of the bullet hole is obtained, and the coordinate position information is stored in a built-in memory in the total station.
Based on the technical scheme, in the third step, the step of calculating the vertical target density of the projectile spread refers to calculating the vertical target density of the projectile spread by combining with the center of bullet coordinate information measured by the total station through a computer built-in executable program, and calculating the radius R of the spread circle of the impact point of the projectile through the vertical target density 100 。
Based on the technical scheme, in the process of utilizing the computer to carry out specific calculation, accurate bullet center coordinate position information is input into the computer, a selection key for calculating the standing target density on the computer is pressed, and the standing target density of the group of projectile spread can be automatically displayed on a computer screen through the calculation of a built-in execution program of the computer.
Example 2:
as shown in fig. 1-2, a method for calculating target setting accuracy of a large-caliber sniping weapon specifically includes the following steps:
firstly, arranging ammunition test vertical targets according to a specific distance;
acquiring the position coordinates of the core of the sniper weapon;
and step three, calculating the vertical target density of projectile scattering.
Based on the technical scheme, in the first step, the ammunition test vertical targets are arranged at a specific distance, namely, the vertical targets for checking the precision are arranged in a checking field of the vertical target precision of the sniping weapon, and the vertical targets are wood plate targets, so that shots of the sniping weapon can pass through the vertical targets and leave shot holes on the vertical targets when flying to the surface of the vertical targets;
the distance between the set vertical target surface position and the shooting position of a sniping weapon is 200 meters, and after the vertical target position is fixed, a vertical target cross line with a known length is marked at the central position of the vertical target.
Based on the technical scheme, in the second step, acquiring the position coordinates of the projectile center of the sniping weapon means that the target setting precision of the sniping weapon is checked on the same test target in the same checking field, 5 groups of shots are set to be shot by each ammunition gun, each group of 3 shots is calculated, and the landing point of each group of 3 shots is calculated, and when the landing point of the shot is calculated, the position information of the projectile center of the projectile coordinate is respectively measured mainly through different measuring modes;
the coordinates of the core of the bullet are measured by a digital camera and a computer in the specific measuring process.
Based on the technical scheme, the digital camera and the computer are used for measuring the coordinates of the core of the projectile, namely, the digital camera and the computer are used for forming a test system to measure the coordinate position information of the core of the projectile on the vertical target;
when a test system consisting of a digital camera and a computer actually measures the coordinate position information of the core of a bullet, the shooting process of the camera is controlled by a keyboard or a mouse of the computer, after a group of projectiles are shot, the digital camera is used for shooting the pictures of the scatter diagrams of the projectiles on the standing targets, after the pictures of the scatter diagrams are obtained, the pictures are synchronously transmitted to the computer, and the pictures of the scatter diagrams are processed by utilizing the image processing technology and the computer programming technology in the computer;
after the photo is processed, the mouse is moved on a shot scatter picture on a computer screen, the center of the positioning cross line of the mouse is aligned to the center of the shot hole on the picture, the mouse is lightly clicked, the coordinate value of the center of the shot hole can be obtained by calculating through the computer, and the calculated coordinate value of the center of the shot hole is stored in a designated data file in the computer.
Based on the technical scheme, in the third step, the step of calculating the vertical target density of the projectile dispersion refers to calculating the vertical target density of the projectile dispersion by combining with the coordinate position information of the core of the bullet measured by the digital camera and the computer composition test system through the built-in executable program of the computer, and calculating the dispersion circle radius R of the impact point of the projectile through the vertical target density 100 。
Based on the technical scheme, in the process of utilizing the computer to carry out specific calculation, accurate bullet center coordinate position information is input into the computer, a selection key for calculating the standing target density on the computer is pressed, and the standing target density of the group of projectile spread can be automatically displayed on a computer screen through the calculation of a built-in execution program of the computer.
Example 3:
as shown in fig. 1-2, in the method for calculating the target setting precision of the large-caliber sniping weapon, the center of bullet coordinates of a sniping weapon bomb are measured in a combined measurement mode through a photogrammetry method and a total station, more accurate center of bullet coordinate information is obtained through comparing and analyzing measurement results, and the calculation result precision of the target setting precision is improved;
the calculation method specifically comprises the following steps:
firstly, arranging ammunition test vertical targets according to a specific distance;
acquiring the position coordinates of the core of the sniper weapon;
and step three, calculating the vertical target density of projectile scattering.
Based on the technical scheme, in the first step, the ammunition test vertical targets are arranged at a specific distance, namely, the vertical targets for checking the precision are arranged in a checking field of the vertical target precision of the sniping weapon, and the vertical targets are wood plate targets, so that shots of the sniping weapon can pass through the vertical targets and leave shot holes on the vertical targets when flying to the surface of the vertical targets;
the distance between the set vertical target surface position and the shooting position of the sniping weapon is 200 m, and after the vertical target position is fixed, a vertical target cross line with a known length is marked at the central position of the vertical target.
Based on the technical scheme, in the second step, acquiring the position coordinates of the projectile center of the sniping weapon means that the target setting precision of the sniping weapon is checked on the same test target in the same checking field, 5 groups of shots are set to be shot by each ammunition gun, each group of 3 shots is calculated, and the landing point of each group of 3 shots is calculated, and when the landing point of the shot is calculated, the position information of the projectile center of the projectile coordinate is respectively measured mainly through different measuring modes;
the specific measurement process comprises the following measurement steps:
s1, measuring the coordinates of the bullet core by using a total station;
s2, measuring the coordinates of the bullet core by using a digital camera and a computer;
s3, comparing and analyzing the bullet coordinate data;
and S4, determining accurate data information of the bullet coordinates.
Based on the above technical solution, in S1, the measuring of the center of bullet coordinate by using the total station means that the center of bullet coordinate position information of the projectile on the standing target is measured by using the total station;
when the total station actually measures the coordinate position information of the bullet center, the total station is erected at a position 200 meters in front of a target surface of a vertical target in an examination site for sniping weapons, and after the position of the total station is fixed, plane coordinate information from the bullet hole to the target center is measured through an airborne program arranged in the total station;
and in the actual measurement process, a measurement instruction is sent to the total station mainly through an airborne program in the total station, so that the target surface coordinate position information of the bullet hole is obtained, and the coordinate position information is stored in a built-in memory in the total station.
Based on the technical scheme, after the total station acquires the coordinate position information of the center of the bullet hole, the coordinate position information stored in the total station is input into the computer through the RS-232C communication interface and the communication cable, and the coordinate information measured by the total station is transmitted in time.
Based on the technical scheme, in the step S2, the digital camera and the computer are used for measuring the core coordinates, namely, the digital camera and the computer are used for forming a test system to measure the core coordinate position information of the projectile on the vertical target;
when a test system consisting of a digital camera and a computer actually measures the coordinate position information of the core of a bullet, the shooting process of the camera is controlled by a keyboard or a mouse of the computer, after a group of projectiles are shot, the digital camera is used for shooting the pictures of the scatter diagrams of the projectiles on the standing targets, after the pictures of the scatter diagrams are obtained, the pictures are synchronously transmitted to the computer, and the pictures of the scatter diagrams are processed by utilizing the image processing technology and the computer programming technology in the computer;
after the photo is processed, the mouse is moved on a shot scatter picture on a computer screen, the center of the positioning cross line of the mouse is aligned to the center of the shot hole on the picture, the mouse is lightly clicked, the coordinate value of the center of the shot hole can be obtained by calculating through the computer, and the calculated coordinate value of the center of the shot hole is stored in a designated data file in the computer.
Based on the above technical solution, in S3, the comparing and analyzing of the bullet hole coordinate data refers to comparing and analyzing the position information of the center of the bullet hole measured by the total station in S1 and the position information of the bullet hole measured by the test system formed by the digital camera and the computer in S2, and determining the difference between the position information of the bullet hole measured by the two measurement modes by continuously comparing and analyzing the position information of the bullet hole measured by the total station in S1 and the position information of the bullet hole measured by the test system formed by the digital camera and the computer, so that the on-site examination and test personnel can know the position information of the bullet hole more clearly.
Based on the above technical solution, in S4, the determining the accurate data information of the core coordinate means that the core coordinate position information measured in the step S3 is analyzed and judged, and the accurate data information of the core coordinate is finally determined;
in the analysis and judgment process, when the difference value between the measurement data of the two groups of core coordinate position information is within a preset difference value range, taking the average value of the two groups of core coordinate position information data as the accurate data information of the core coordinate of the assessment test;
when the difference value between the measurement data of the two groups of core coordinate position information is out of the preset difference value range, judging the difference value between the two groups of core coordinate position information and the preset difference value range, locking the group of core coordinate position information with larger difference value, determining the measurement mode of the group of core coordinate position information, and measuring the core coordinate position information again through the measurement mode;
when the difference value between the two groups of core coordinate position information and the preset difference value range is large, the two groups of measurement modes need to be reused for carrying out re-measurement respectively so as to ensure the accuracy of the subsequently measured core coordinate position information.
Based on the above technical solution, in the third step, calculating the vertical target density of the projectile distribution means that the vertical target density of the projectile distribution is calculated by using a computer-embedded executable program to combine with the accurate data information of the center of bullet coordinates determined in step S4, and the distribution circle radius R of the impact point of the projectile is calculated by the vertical target density 100 。
Based on the technical scheme, in the process of utilizing a computer to carry out specific calculation, accurate bullet center coordinate position information is input into the computer, a selection key for calculating the standing target density on the computer is pressed, and the standing target density of the group of dispersed projectiles can be automatically displayed on a computer screen through the calculation of an execution program arranged in the computer;
as shown in FIG. 3, when calculating the radius R100 of the three-shot scatter circle of the 35 mm sniping grenade launcher, the coordinates of the centers of the three shots are (120 ), (0, 0) and (-120, 120), respectively, and the unit is cm, the radius R of the scatter circle of the launcher can be quickly calculated by the built-in executive program of the computer 100 Is 121.75.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method for calculating the target setting precision of a large-caliber sniping weapon is characterized by comprising the following steps: the center of bullet coordinates of the sniping weapon bullet are measured in a combined measuring mode through a photogrammetry method and a total station, more accurate center of bullet coordinate information is obtained through comparing and analyzing measuring results, and the accuracy of the calculation result of the target setting accuracy is improved;
the calculation method specifically comprises the following steps:
firstly, arranging ammunition test vertical targets according to a specific distance;
acquiring the position coordinates of the core of the sniper weapon;
and step three, calculating the vertical target density of projectile scattering.
2. The method for calculating the target setting accuracy of the large-caliber sniping weapon according to claim 1, wherein the method comprises the following steps: in the first step, the ammunition test vertical targets are arranged at a specific distance, namely the vertical targets for checking the precision are arranged in a checking field of the vertical target precision of the sniping weapon, and can be wood plate targets or net targets, so that the shots of the sniping weapon can pass through the vertical targets and leave shot holes on the vertical targets when flying to the surface of the vertical targets;
the distance between the set vertical target surface position and the shooting position of the sniping weapon is 200 m, and after the vertical target position is fixed, a vertical target cross line with a known length is marked at the central position of the vertical target.
3. The method for calculating the target setting accuracy of the large-caliber sniping weapon according to claim 2, wherein the method comprises the following steps: in the second step, acquiring the position coordinates of the core of the sniping weapon means that the sniping weapon is evaluated on the same test vertical target in the same evaluation field, 5 groups of shots are set to be shot by each ammunition gun, 3 shots are set in each group, the landing point of the shot of each group 3 is calculated, and when the landing point of the shot is calculated, the position information of the core coordinates of the projectile is respectively measured mainly through different measuring modes;
the specific measurement process comprises the following measurement steps:
s1, measuring the coordinates of the bullet core by using a total station;
s2, measuring the coordinates of the bullet core by using a digital camera and a computer;
s3, comparing and analyzing the bullet coordinate data;
and S4, determining accurate data information of the bullet coordinates.
4. The method for calculating the target setting accuracy of the large-caliber sniping weapon according to claim 3, wherein the method comprises the following steps: in S1, the measuring of the center of bullet coordinates by using the total station means that the center of bullet coordinates position information of the projectile on the standing target is measured by using the total station;
when the total station actually measures the coordinate position information of the bullet center, the total station is erected at a position 200 meters in front of a target surface of a vertical target in an examination site for sniping weapons, and after the position of the total station is fixed, plane coordinate information from the bullet hole to the target center is measured through an airborne program arranged in the total station;
and in the actual measurement process, a measurement instruction is sent to the total station mainly through an airborne program in the total station, so that the target surface coordinate position information of the bullet hole is obtained, and the coordinate position information is stored in a built-in memory in the total station.
5. The method for calculating the target setting accuracy of the large-caliber sniping weapon according to claim 4, wherein the method comprises the following steps: after the total station acquires the coordinate position information of the center of the bullet hole, the coordinate position information stored in the total station is input into the computer through the communication interface and the communication cable, and the coordinate information measured by the total station is transmitted in time.
6. The method for calculating the target setting accuracy of the large-caliber sniping weapon according to claim 3, wherein the method comprises the following steps: in S2, the measurement of the coordinates of the center of bullet by using the digital camera and the computer means that the digital camera and the computer form a test system to measure the position information of the coordinates of the center of bullet on the vertical target;
when a test system consisting of a digital camera and a computer actually measures the coordinate position information of the core of a bullet, the shooting process of the camera is controlled by a keyboard or a mouse of the computer, after a group of projectiles are shot, the digital camera is used for shooting the pictures of the scatter diagrams of the projectiles on the standing targets, after the pictures of the scatter diagrams are obtained, the pictures are synchronously transmitted to the computer, and the pictures of the scatter diagrams are processed by utilizing the image processing technology and the computer programming technology in the computer;
after the photo is processed, the mouse is moved on a shot scatter picture on a computer screen, the center of the positioning cross line of the mouse is aligned to the center of the shot hole on the picture, the mouse is lightly clicked, the coordinate value of the center of the shot hole can be obtained by calculating through the computer, and the calculated coordinate value of the center of the shot hole is stored in a designated data file in the computer.
7. The method for calculating the target setting accuracy of the large-caliber sniping weapon according to claim 4 or 6, wherein the method comprises the following steps: in S3, the comparing and analyzing of the bullet hole coordinate data refers to comparing and analyzing the bullet hole center coordinate position information measured by the total station in S1 and the bullet hole coordinate position information measured by the test system formed by the digital camera and the computer in S2, and determining the difference between the bullet hole coordinate position information measured by the two measurement modes by continuously comparing and analyzing the bullet hole coordinate position information measured by the two measurement modes, so that the field examination and test personnel can know the bullet hole coordinate position information more clearly.
8. The method for calculating the target setting accuracy of the large-caliber sniping weapon according to claim 7, wherein the method comprises the following steps: in S4, the determining the accurate data information of the coordinates of the bullet core means analyzing and judging the position information of the coordinates of the bullet core measured in the two measuring methods in step S3, and finally determining the accurate data information of the coordinates of the bullet core;
in the analysis and judgment process, when the difference value between the measurement data of the two groups of core coordinate position information is within a preset difference value range, taking the average value of the two groups of core coordinate position information data as the accurate data information of the core coordinate of the examination test;
when the difference value between the measurement data of the two groups of core coordinate position information is out of the preset difference value range, judging the difference value between the two groups of core coordinate position information and the preset difference value range, locking the group of core coordinate position information with larger difference value, determining the measurement mode of the group of core coordinate position information, and measuring the core coordinate position information again through the measurement mode;
when the difference value between the two groups of core coordinate position information and the preset difference value range is large, the two groups of measurement modes need to be reused for carrying out re-measurement respectively so as to ensure the accuracy of the subsequently measured core coordinate position information.
9. The method for calculating the target setting accuracy of the large-caliber sniping weapon according to claim 8, wherein the method comprises the following steps: in the third step, the step of calculating the vertical target density of the projectile spread refers to the step of utilizing the built-in computer to carry out the calculationCombining the accurate data information of the bullet center coordinate determined in the step S4 to calculate the standing target density of the projectile spread, and calculating the spread radius R of the impact point of the projectile according to the standing target density 100 。
10. The method for calculating the target setting accuracy of the large-caliber sniping weapon according to claim 9, wherein the method comprises the following steps: in the process of using the computer to carry out specific calculation, accurate bullet center coordinate position information is input in the computer, a selection key for calculating the standing target density on the computer is pressed, and the standing target density of the group of projectile spread can be automatically displayed on a computer screen through calculation of a built-in execution program of the computer.
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