CN105300172A - Compact type shooting training aid system - Google Patents
Compact type shooting training aid system Download PDFInfo
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- CN105300172A CN105300172A CN201510864682.5A CN201510864682A CN105300172A CN 105300172 A CN105300172 A CN 105300172A CN 201510864682 A CN201510864682 A CN 201510864682A CN 105300172 A CN105300172 A CN 105300172A
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Abstract
The invention discloses a compact type shooting training aid system. The compact type shooting training aid system comprises sights, a simulation bullet mounted in a bore, a scoring unit mounted on a shooter or a gun body and a target arranged far from the shooter, wherein the simulation bullet comprises at least one hollow coil arranged in a bullet shell and a corresponding moving magnet moving to and fro, the moving magnet penetrates through the corresponding hollow coil when a gun firing pin hits the simulation bullet, and the hollow coil is driven to produce a triggering signal. The image of the simulation bullet at the triggered moment is obtained by combining an embedded computer technology and a high-precision imaging technology. The shooting process of the compact type shooting training aid system is similar to and as vivid as a real bullet shooting process. The compact type shooting training aid system is more easily accepted by the shooter, changes the phenomenon that other training simulating devices help the shooter develop poor shooting habit due to large difference with real bullet shooting, and achieves the purpose of simultaneously training, checking and correcting.
Description
Technical field
The invention belongs to military and sports technology apparatus field, relate to a kind of shooting auxiliary training system based on simulation bullet.
Background technology
Due to condition restriction and safety factor, ball firing training is difficult, and as the time of lacking in training, training expenses is high, training court is little, city safety factor etc.Therefore research and develop a kind of cheap, easy to carry, operate succinct, robust gunnery training accessory system there is very high practical significance and using value.
At present, the research that great effort and fund carry out being correlated with has been dropped into both at home and abroad in shooting auxiliary training system field, come out one after another based on the shooting auxiliary training system of different principle and patent of invention, its principle adopted can be roughly divided into Principles of Laser, ultrasonic wave principle etc., wherein Principles of Laser are current comparative maturities, need to transform rifle and target, generating laser and laser pickoff are installed, determine shooting grade by the position calculating laser beam.These system Problems existing are system complex, and price is expensive, and must have computer as support platform; Must Special Targets be used simultaneously, or install cooperative target additional on target, limit the application of general training personnel and promote on a large scale.
Application number be 200910074863.2 Chinese patent " a kind of shooting auxiliary training system and based on framing target center method " disclose a kind of shooting auxiliary training system based on image procossing principle, gun are installed camera and trigger, aim at target center with camera center, obtain image symmetrical up and down as benchmark image; When the armed aiming of sportsman, camera obtains sight picture, and compares with benchmark image, and number of rings when calculating aiming and the formation track of aiming point, be used to guide athletic gunnery training.Wherein wireless trigger device is arranged near the trigger of gun, when cocking, also signal transmission is this moment taken computer, obtain percussion number of rings at that time by wireless trigger receiving device acknowledge(ment) signal.
This invention Problems existing when being applied to military training is that trigger instants is not accurate.As everyone knows, the number of rings of gun shooting depends on angle between the muzzle in gun striker impact bullet moment and target and position, and this invention employing increases trigger switch to realize near trigger, by cocking trigger switch signal, as the triggering signal of image procossing, obviously this moment can not represent and pull the trigger the moment really, gun may change angle because of follow-up time delay, if want this time delay moment of fine adjustment, then can there is a larger difficult problem, especially all accurate adjustment is needed to each rifle, certainly will have impact on and apply.In addition because this device does not simulate bullet, make with throw-off practice gap comparatively large, Long-Time Service easily has influence on forming of shooting custom.
Summary of the invention
The present invention proposes a kind of compact shooting auxiliary training system, provide trigger instants accurately on the one hand, improve pointing accuracy, thus improve training quality, in addition adopt simulation bullet make simulated training process and ball firing process very similar, more easily accepted by ejaculator.
Technical scheme of the present invention is as follows:
A kind of compact shooting auxiliary training system, comprises and is arranged on sight on gun, the simulation bullet be arranged in bore, is arranged on ejaculator or gun indication of shots unit with it and the target arranged ejaculator at a distance; Described simulation bullet comprises and is arranged at least one air core coil in shell case and the corresponding moving magnet moved back and forth, described moving magnet is when gun striker impact simulation bullet, through corresponding air core coil, air core coil is made to produce triggering signal;
Sight comprises imaging lens and imageing sensor, and imaging lens aims at target, and the whole aiming process of image recording sensor hits target view data, and by image data transmission to indication of shots unit; The target image data of view data and standard are compared and are resolved by indication of shots unit, obtain the aiming number of rings in whole shooting aiming process, and aiming number of rings triggering signal being produced the moment is as shooting number of rings, image or sound reporting target are carried out to shooting number of rings simultaneously.
In above-mentioned compact shooting auxiliary training system, simulation bullet comprises the air core coil of shell case, tail cover, percussion base, reset unit and at least one moving magnet and correspondence; Described tail cover is the hollow-core construction of built-in step, is fixed on the afterbody of shell case; Described percussion base is the column being arranged on shell case afterbody, and by evagination structural embeddedness in the built-in step that tail overlaps; Described reset unit is fixed on the inwall of casing forward end, for percussion base is reset to the initial position before percussion; Described air core coil is fixed on the inwall of shell case; Described moving magnet is fixed on the front portion of percussion base; Described percussion base can move forward under the shock of gun striker, drives moving magnet through corresponding air core coil, and the initial position be reset to percussion under the effect of reset unit before.
In above-mentioned compact shooting auxiliary training system, reset unit is spring, and one end is arranged on the holder in shell case, and the other end withstands on magnet.
In above-mentioned compact shooting auxiliary training system, reset unit is fixed magnet, and described fixed magnet is contrary with the polar orientation of moving magnet.
In above-mentioned compact shooting auxiliary training system, simulation bullet inside also comprises wireless transmitting unit, for the triggering signal that transmitting coil produces; Radio receiving unit is provided with, the triggering signal that described radio receiving unit is launched for receiving wireless transmitting unit in described indication of shots unit.
In above-mentioned compact shooting auxiliary training system, coil is connected by lead-in wire and indication of shots unit.
In above-mentioned compact shooting auxiliary training system, indication of shots unit shows aiming at display screen display that number of rings and shooting number of rings carry at indication of shots unit or transferring on other-end.In above-mentioned compact shooting auxiliary training system, indication of shots mode comprises sound reporting target and image display.
In above-mentioned compact shooting auxiliary training system, sight is fixed on gun barrel afterbody that is outside or sight by mechanism and is fixed in gun barrel by tension mechanism.
In above-mentioned compact shooting auxiliary training system, the outside of the tail cover of simulation bullet is step-like, and the afterbody external diameter of tail cover is less than the external diameter at tail cover middle part, and step is seamlessly transitted by the conical surface.
In above-mentioned compact shooting auxiliary training system, imageing sensor is video camera.
The Advantageous Effects that the present invention has is as follows:
1, the present invention adopts the fusion of embedded computer technology and high accuracy imaging technique, obtain the image of simulation bullet trigger instants, alike and true to nature with throw-off practice process, more easily accepted by ejaculator, change other analog training devices owing to shooting with throw-off practice cause bad that differ greatly forming of being accustomed to, reach the object of " limit training, frontier inspection are tested, limit correct ".
2, the present invention adopts the whole aiming target process of image recording sensor ejaculator, and compare with the benchmark image during rifle of school, calculate the number of rings of whole aiming process, and adopt striker impact to simulate the moment of bullet as trigger instants, obtain number of rings during shooting, owing to giving the number of rings of overall process, for the firing attitude of analyzing and correcting ejaculator, there is important reference value, thus ensure that simulated training quality.
3, simulation boat tail of the present invention adopts the step-like of smooth structure, eliminate ejection ditch, simulate bullet when avoiding continuous fire to be ticked by the extractor at gunlock rear portion, have influence on aiminging drill next time, and whole aiming process comprise load, aim at, the standard operation such as shooting, make training and simulation more true to nature.
4, the present invention obtains benchmark image when applying by school rifle step, and the image of trigger instants and benchmark image is compared, and overcomes installation accuracy between sight and rifle and, on the impact of scoring ring measurement result, meets the custom of daily gunnery training simultaneously.
5, shooting auxiliary training system of the present invention is while saving ammunition and expense, improve security and the training effectiveness of training, and the effect same with ball firing can be obtained, and overcast and rainy ball firing, the shooting place being difficult to launch can be solved ensure difficulty, and the problem such as the real-time display of shooting result.
6, shooting auxiliary training system of the present invention adopts striker impact simulation bullet, moving magnet in bullet moves through coil, thus on coil, produce accurate start pulse signal, and under passing through the effect of the reset unit such as spring or reverse magnet, be reset to original position.The striker impact piezo-electric crystal of this scheme and routine or piezoelectric ceramics produce compared with triggering signal, first, the present invention only needs the very little external force of striker generation can reach the object of triggering, and when adopting piezo-electric effect to trigger, needs larger impact could produce the signal of sufficient intensity; Secondly, the present invention relies on reset unit to cushion and counteracts the impact of striker in knockout process, triggers compared to employing piezo-electric effect, extends the service life of the devices such as percussion base, adds the reliability of system.
7, in shooting auxiliary training system of the present invention, sight comprises imaging lens and imageing sensor, only be responsible for gathering and record sight picture, and carry out follow-up image procossing, calculating and indication of shots by indication of shots unit, thus the structure of sight can become very compact, be convenient to the installation on gun, reduce the impact of sight fitting-up gang gunnery training, and there are higher reliability and stability.
Accompanying drawing explanation
Fig. 1 is the shooting auxiliary training system composition diagram that the present invention is based on wire transmission mode;
Fig. 2 is the shooting auxiliary training system composition diagram that the present invention is based on wireless transmission method;
Fig. 3 is the structural representation of conventional bullet;
Fig. 4 is the wire transmission formula simulation bullet structural representation that the present invention is based on spring reset;
Fig. 5 is the mode of wireless transmission simulation bullet structural representation that the present invention is based on spring reset;
Fig. 6 is the wire transmission formula simulation bullet structural representation that the present invention is based on magnet reset;
Fig. 7 is the mode of wireless transmission simulation bullet structural representation that the present invention is based on magnet reset;
Fig. 8 is that target simulated training principle schematic is reduced in shooting auxiliary training system of the present invention employing;
Fig. 9 is shooting auxiliary training system target image-forming principle schematic diagram of the present invention;
Figure 10 is image procossing and the scoring ring calculation flow chart of shooting auxiliary training system of the present invention.
Reference numeral is as follows: 1-shell case, 2-tail cover, 3-percussion base, 4-one-level moving magnet, 5-secondary moving magnet, 6-fixed magnet, 7-one-level air core coil, 8-secondary air core coil, 9-lead-in wire, 10-connecting column, 11-holder, 12-spring, 15-wireless transmitting unit, 21-simulation bullet, 22-sight, 23-indication of shots unit, 31-ejection ditch, 35-field range, 36-target, 37-imaging lens, 38-target image, 39-imageing sensor.
Detailed description of the invention
As depicted in figs. 1 and 2, compact shooting auxiliary training system of the present invention comprises and is arranged on sight 22 on the body of a gun, the simulation bullet 21 be arranged in bore, is arranged on the indication of shots unit 23 of ejaculator with it, on the body of a gun or near ejaculator and the target 36 arranged a long way off;
When the simulation built-in special mechanism of bullet 21 makes striker impact simulate bullet 21, produce triggering signal; Sight 22 comprises imaging lens 37 and imageing sensor 39, and wherein imageing sensor 39 can adopt video camera or other image recorders, and it aims at the target 36 arranged at a distance by imaging lens 37.
Imaging lens 37 aims at target 36, and imageing sensor 39 records whole aiming process and to hit target view data, and by image data transmission to indication of shots unit 23; The target image data of view data and standard are compared and are resolved by indication of shots unit 23, obtain the aiming number of rings in whole shooting aiming process, receive the triggering signal that simulation bullet 21 produces simultaneously, and aiming number of rings triggering signal being produced the moment is as shooting number of rings, shooting number of rings is carried out image indication of shots display and sound reporting target simultaneously.Aim at the display screen display that can carry at indication of shots unit 23 of number of rings and shooting number of rings, also by data transmission module shooting number of rings and ring sight logarithmic data can be transferred on other-end and carry out display analysis.
During simulated gunnery, target 36 is positioned at image sensor field of view scope.First, image when shooter pulls the trigger by microcam stores, and then calculates the initial coordinate of target 36 center at image space by the image matching algorithm of core.Eliminate the impact of the factors such as windage yaw, trajectory, shake finally by specific mathematical model, obtain the actual coordinate of target 36.Calculate point of impact position after coordinate transform, show on the LCD of indication of shots unit 23 and provide voice message simultaneously.
Sight 22 is fixed on gun barrel outside by mechanism, and also sight 22 can be made strip, afterbody is fixed in gun barrel by tension mechanism.The wire transmission mode as shown in Fig. 1, Fig. 4 and Fig. 6 can be adopted between simulation bullet 21 and indication of shots unit 23, namely coil is directly electrically connected by lead-in wire 9 and indication of shots unit 23, the triggering signal of coil is obtained by indication of shots unit 23, also can adopt and the lead-in wire 9 of coil is first electrically connected with sight 22, then be forwarded to indication of shots unit 23.
Also the wireless transmission method as shown in Fig. 2, Fig. 5 and Fig. 7 can be adopted between simulation bullet 21 and indication of shots unit 23, simulation bullet 21 inside is provided with wireless transmitting unit 15, for the triggering signal that transmitting coil produces, also can launch after triggering signal digitlization again.The triggering signal that radio receiving unit is launched for receiving wireless transmitting unit 15 is provided with in indication of shots unit 23.Wireless transmitting unit can adopt the mode such as WIFI or Bluetooth transmission, meets in-plant Signal transmissions and receives.
As shown in Figures 4 to 7, simulation bullet 21 comprises shell case 1, tail cover 2, the air core coil of percussion base 3, reset unit and moving magnet and correspondence; Air core coil is fixed on the inwall of shell case 1; Moving magnet is fixed on the front portion of percussion base; Moving magnet can adopt one group, and also can adopt after organizing such as one-level moving magnet 4 and secondary moving magnet 5 serial connection, to increase signal amplitude, the air core coil of its correspondence is then one-level air core coil 7 and secondary air core coil 8 more.Air core coil is under the excitation of magnet, its output signal provides triggering signal after signal conditioning circuit, modulate circuit comprises shaping, amplitude limit, filter unit etc., obtain the pulse triggering signal of 3.3V, according to different requirements, signal conditioning circuit can be arranged on wireless transmitting unit 15 or indication of shots unit.
Tail cover 2 is fixed on the afterbody of shell case 1 by screw thread or other modes, be hollow-core construction, built-in step; Percussion base 3, for being arranged on the column of shell case afterbody, and by evagination structural embeddedness in the built-in step that tail overlap, its objective is that percussion base 3 being limited in tail overlaps in 2 and prevent reset unit from percussion base 3 is ejected analog submodule body.Pull the trigger simultaneously base 3 can along tail overlap 2 and space between it move forward and backward.Reset unit object is being subject to after striker effect shifts forward by moving magnet, then be reset to original position, to shoot next time.Reset unit is fixed on the inwall of shell case 1 front portion, for percussion base 3 and moving magnet are reset to the initial position before percussion.
Reset unit can adopt the spring 12 as Fig. 4 and Fig. 5, and one end is arranged on the holder 11 in bullet, and the other end withstands on magnet.When percussion base 3 moves forward under the shock of gun striker, band moving magnet is through corresponding air core coil, and the initial position be reset to percussion under the effect of spring 12 before.Wherein between each magnet and corresponding coil, front and back position before firing needs accurate adjustment, guarantee that striker impact in a flash, magnet is movement fast, and can accurate triggering signal be produced, and rely on spring buffer in knockout process and counteract the stronger impact of striker, extend the service life of the devices such as percussion base.
Reset unit also can adopt the fixed magnet as Fig. 6 and Fig. 7, and wherein the polar orientation of fixed magnet is just in time contrary with the polar orientation of moving magnet, repels each other in the same way, plays the effect of reset.Such as moving magnet direction is forward positive pole, then fixed magnet direction is forward negative pole, plays the effect of repulsion, thus is resetted after moving magnet displacement, and drives percussion base to reset.Wherein the difference of Fig. 4 and Fig. 5 is only that Fig. 4 is wire transmission mode, and Fig. 5 is wireless transmission method; And the difference of Fig. 6 and Fig. 7 is also only that Fig. 6 is wire transmission mode, Fig. 7 is wireless transmission method.
Further, the tail cover 2 that the present invention simulates bullet is outside for step-like, the afterbody external diameter of tail cover 2 is less than the external diameter at tail cover middle part, and step is seamlessly transitted by the conical surface, and the difference of the true bullet profile shown in itself and Fig. 3 is that simulation bullet eliminates ejection ditch 31 structure.Traditional gun are when shooting, the recoil of explosive (pulling back rifle bolt then by people for manual gun) makes gunlock return, at this moment shell case will be pulled out by the ejection ditch 31 in Fig. 3 by the extractor at gunlock rear portion, thus enters next transmitting and hit.Due to the complicated inconvenience of simulation bullet installation process of the present invention, therefore eliminate the step that shell case exits, so the afterbody of simulation bullet eliminates ejection ditch, each time after shooting, simulation bullet can not be ticked by the extractor in gun, has influence on the shooting of next.But whole supplemental training shooting course and live shell realistic simulation, comprise and load, aim at, shoot, the standard operations such as shell case ticked by gunlock, more easily accepted by ejaculator.
The workflow of this simulated training system is as follows:
One, install
The sight of training system is arranged on the muzzle position of training gun, indication of shots cellular installation, with it ejaculator or gun, simulates bullets loading simultaneously.For the mode of wireless work, then direct simulation bullet is placed in bore; For the mode of wire transmission, the transfer wire of bullet front portion is passed by gun barrel, then connect with indication of shots unit 23 or connect with indication of shots unit 23 again after being transferred by sight 22.
Two, target is selected
After start, select training target type; Operation system setting has several target selective, and these targets can be the chest silhouette target of standard also can be manikin etc.As shown in Figure 8, if training place does not have enough places to carry out gunnery training, can adopt and reduce target simulation hands-on, and make in proportion reduce target according to the distance shortened.
Three, zeroing calibration: school rifle drillmaster points out according to system voice, carries out school rifle according to rule of engagemeut.In ball firing, school rifle is also necessary step, its objective is foresight, the gap between scale and actual point of impact of seeing muzzle, native system is provided with school rifle link on software, when school rifle drillmaster is according to the prompting of training system, after returning to zero to gun according to the step of school rifle at ordinary times, cocking, now indication of shots unit can obtain the image in school rifle moment as benchmark image.
Four, simulated training shooting: ejaculator trains according to the shooting mode of standard, comprises and draws rifle to fix thorax, aims at, cocking shooting, ejection (actual only have ejection action and simulate bullet do not exit bore) step etc.After system boot, sight aims at the target in visual field always, and records the image of target continuously, work as cocking, the percussion base of striker impact simulation boat tail, drives moving magnet to advance, through corresponding air core coil, cutting magnetic line, thus pulse triggering signal is produced on coil.As shown in Figure 9, after indication of shots unit receives triggering signal, record the image in the imageing sensor in this triggering signal generation moment, and the target position of the benchmark image obtained when the position of target this moment and school rifle is compared calculate, eliminate the impact of the factors such as windage yaw, trajectory, shake, obtain shooting number of rings.The aiming process of ejaculator and track are also carried out record simultaneously, obtain more information for ex-post analysis.
Five, indication of shots
After shooter aims at percussion, system directly calculates point of impact and achievement, and miniature LCD on indication of shots unit shows, and provides sound reporting target simultaneously.As required, shooter also can present arms by system simultaneously, aim at, the recording of the whole process of triggering pulling, and transfers to and other intelligent analysis terminals shows and stores, for drillmaster's real-time instruction and shooter's ex-post analysis.
As shown in Figure 10, the image procossing of training system of the present invention and scoring ring computational process and step as follows:
One, the data of trigger instants video data buffer are read,
Two, gray processing, binary conversion treatment are carried out to view data;
Three, adopt edge detection algorithm to image real time transfer, the target that hit by image contours extract out;
Four, contour thinning: carry out contour thinning to the image border of extracting, is convenient to follow-up target location and calculates;
Five, image after contour thinning process and the target image template preset are entered comparison, according to priori value setting judgment threshold in comparison, if the correlation of the two exceedes this threshold value, then think that it is target image, otherwise think and miss the target;
Six, calculate the initial coordinate of target image center at image space, and compare with the image coordinate during rifle of school, eliminate the impact of the factors such as windage yaw, trajectory, shake simultaneously, obtain the actual coordinate of target;
Seven, result transferred to indication of shots unit and carry out sound reporting target.
The present invention is used successfully to simulative shooting training, due to alike and true to nature with throw-off practice process, is easily accepted by ejaculator, reaches the object of " limit training, frontier inspection tests, limit corrects ".
Claims (10)
1. a compact shooting auxiliary training system, is characterized in that: comprise sight (22), simulation bullet (21), indication of shots unit (23) and target (36); Described sight (22) is fixed on gun, and described simulation bullet (21) is arranged in bore, and described target (36) is arranged on the position away from ejaculator;
Described simulation bullet (21) comprises and is arranged at least one air core coil in shell case (1) and the corresponding moving magnet moved back and forth, described moving magnet is when gun striker impact simulation bullet (21), through corresponding air core coil, air core coil is made to produce triggering signal;
Described sight (22) comprises imaging lens (37) and imageing sensor (39), described imaging lens (37) aims at target (36), imageing sensor (39) records whole aiming process and to hit target view data, and by image data transmission to indication of shots unit (23);
The target image data of view data and standard are compared and are resolved by described indication of shots unit (23), obtain the aiming number of rings in whole shooting aiming process, and aiming number of rings triggering signal being produced the moment is as shooting number of rings, image or sound reporting target are carried out to shooting number of rings simultaneously.
2. compact shooting auxiliary training system according to claim 1, is characterized in that: described simulation bullet (21) also comprises tail cover (2), percussion base (3) and reset unit;
The hollow-core construction that described tail cover (2) is built-in step, is fixed on the afterbody of shell case (1);
Described percussion base (3) for being arranged on the column of shell case (1) afterbody, and passes through evagination structural embeddedness in the built-in step of tail cover (2);
Described reset unit is fixed at shell case (1) anterior, is reset to the initial position before percussion for pulling the trigger base (3);
Described air core coil is fixed on the inwall of shell case (1);
Described moving magnet is fixed on the position corresponding with air core coil, front portion of percussion base (3);
Described percussion base (3) can move forward under the shock of gun striker, drives moving magnet through corresponding air core coil, and the initial position be reset to percussion under the effect of reset unit before.
3. compact shooting auxiliary training system according to claim 2, it is characterized in that: described reset unit is spring (12), one end is arranged on the holder (11) in shell case (1), and the other end withstands on moving magnet.
4. compact shooting auxiliary training system according to claim 2, is characterized in that: described reset unit is fixed magnet (6), and described fixed magnet (6) is contrary with the polar orientation of moving magnet.
5. compact shooting auxiliary training system according to claim 2, it is characterized in that: the outer ring of the tail cover (2) of described simulation bullet (21) is step-like, the afterbody external diameter of tail cover is less than the external diameter at tail cover middle part, and step is seamlessly transitted by the conical surface.
6. compact shooting auxiliary training system according to claim 1, is characterized in that: described simulation bullet (21) inside also comprises wireless transmitting unit (15), for the triggering signal that transmitting coil produces; Radio receiving unit is provided with, the triggering signal that described radio receiving unit is launched for receiving wireless transmitting unit (15) in described indication of shots unit (23).
7. compact shooting auxiliary training system according to claim 1, is characterized in that: described indication of shots unit (23) is undertaken showing and analyzing and processing by aiming at display screen that number of rings and shooting number of rings carry at indication of shots unit (23) or transferring on other-end.
8. compact shooting auxiliary training system according to claim 1 and 2, is characterized in that: described indication of shots unit (23) is arranged on gun, ejaculator is with it or near ejaculator.
9. compact shooting auxiliary training system according to claim 1, is characterized in that: described sight (22) is fixed on gun barrel outside by mechanism or is fixed in gun barrel by the tension mechanism of sight (22) afterbody.
10. compact shooting auxiliary training system according to claim 1, is characterized in that: described imageing sensor (39) is video camera.
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| CN110906794A (en) * | 2019-12-27 | 2020-03-24 | 中国人民解放军陆军工程大学 | Sight adjusting device |
| CN111189355A (en) * | 2019-12-11 | 2020-05-22 | 南京理工大学 | Simulated shooting system and its realization method |
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