CN117148572A - Device, method and medium for simulating tracking object - Google Patents
Device, method and medium for simulating tracking object Download PDFInfo
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- CN117148572A CN117148572A CN202311435798.8A CN202311435798A CN117148572A CN 117148572 A CN117148572 A CN 117148572A CN 202311435798 A CN202311435798 A CN 202311435798A CN 117148572 A CN117148572 A CN 117148572A
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Abstract
The application relates to the field of optics, in particular to a device, a method and a medium for simulating a tracked object, wherein the device for simulating the tracked object comprises a light source component, a division plate component and a slit component, the light source component comprises a light source and a collimator, the collimator and the light source are matched to form a complete light path, the division plate component and the slit component are arranged between the light source and the collimator, the division plate component comprises a plurality of division plates, each division plate is provided with a first gap, the first gap is recorded with an object moving track, the division plates can move into or out of a first light transmission area to realize the switching of different object moving tracks, the slit component comprises a plurality of slit plates, each slit plate is provided with a second gap, the slit plates are moved in a preset direction, and the overlapping light transmission areas of the second gap and the first gap can be adjusted to realize the tracking simulation of the object track; the combination of different reticles and different slit plates realizes different tracking modes of the object moving track.
Description
Technical Field
The present application relates to the field of optics, and in particular to an apparatus, method and medium for analog tracking of objects.
Background
In aerospace and target range measurement and control activities, the ground optical observation equipment can provide real-time and clear images for commanders, and the images can also provide the flight track of a target after being intersected by a plurality of pieces of equipment, so that the ground optical observation equipment has wide application. The tracking and observing scene is complex, for example, cloud layer exists in the sky, and interference targets exist in the tracking process, so that the stable tracking performance of the optical observation device is one of important indexes. The tracking performance modes of the existing complex tracking scene are digital image simulation modes, and the simulation performance is poor.
Disclosure of Invention
The application provides a device, a method and a medium for simulating a tracked object, which solve the problems that the existing object tracking scene is in a digital image simulation mode and the simulation performance is poor.
In order to achieve the above object, in a first aspect, the present application provides an apparatus for simulating a tracked object, comprising a light source assembly, a reticle assembly, and a slit assembly, the light source assembly comprising a light source for generating illumination light and a collimator having an image plane, the light source being disposed coaxially with the collimator; the reticle assembly is arranged between the collimator and the light source, the reticle assembly is provided with a first light transmission area, the first light transmission area is arranged corresponding to the image surface of the collimator, the reticle assembly comprises a plurality of reticles and a first mounting seat, the reticles are arranged on the first mounting seat, the first mounting seat is movably arranged between the light source and the collimator, the reticles can move into or move out of the first light transmission area under the drive of the first mounting seat, each reticle is provided with a first gap, the first gap is recorded with an object moving track, and the object moving tracks recorded on different reticles are different;
the slit assembly comprises a plurality of slit plates and a second mounting seat, a second light transmission area is arranged on the second mounting seat, the second light transmission area and the first light transmission area are both arranged on the propagation path of illumination light, each slit plate is provided with a second gap, each second gap corresponds to a moving track of an object, the slit plates are detachably connected with the second mounting seat and can move along a preset direction relative to the second mounting seat so as to adjust the position of the second gap in the second light transmission area, and the second mounting seat is arranged between the light source and the first mounting seat; the illumination light emitted by the light source sequentially passes through the second light-transmitting area, the second gap, the first gap and the first light-transmitting area and then is transmitted out from the collimator.
In some embodiments, the first mounting seat is provided with a plurality of mounting openings, and each mounting opening is correspondingly provided with a reticle; the reticle assembly further comprises a first connecting piece, a first light transmission area is formed in the first connecting piece, a first connecting shaft is arranged on the first connecting piece, the first mounting seat is movably connected with the first connecting piece through the first connecting shaft, and the first mounting seat can rotate under the driving of the first connecting shaft so as to switch the reticle arranged in the first light transmission area.
In some embodiments, the reticle assembly comprises a first reticle and/or a second reticle and/or a third reticle, the first gap on the first reticle comprising a first interference region and a first object motion trajectory, the first interference region not communicating with the first object motion trajectory; the first gap on the second reticle comprises a second interference area and a second object moving track, and one end of the second interference area is communicated with the second object moving track; the first gap on the third reticle comprises a plurality of third interference areas and third object moving tracks, and the third object moving tracks are arranged at the intersection of the third interference areas.
In some embodiments, the slit assembly includes a first slit plate and/or a second slit plate and/or a third slit plate, the first slit plate corresponds to the first reticle, the second gap on the first slit plate includes a first light-transmitting region and a first slit, the first interference region is disposed in the first light-transmitting region when the first reticle is disposed in the first light-transmitting region and the first slit plate is disposed in the second light-transmitting region, and the first object motion trail is disposed in the first slit; the second slit plate corresponds to the second division plate, a second gap on the second slit plate comprises a second light transmission domain and a second slit, when the second division plate is arranged in the first light transmission domain, the second slit plate is arranged in the second light transmission domain, the second object moving track is arranged in the second light transmission domain, and the second interference domain is arranged in the second slit; the third slit plate corresponds to the third reticle, the second gap on the third slit plate comprises a third slit and a fourth slit, when the third reticle is arranged in the first light transmission area, the third slit is intersected with the fourth slit, the third object moving track is arranged in the third slit, and a plurality of third interference areas are arranged in the fourth slit.
In some embodiments, the first light-transmitting domain communicates with one end of the first slit; and/or the second light-transmitting domain is communicated with one end of the second slit.
In some embodiments, the plurality of third interference areas are symmetrically disposed at two sides of the third object moving track; the third slit and the fourth slit are vertically arranged, and the third slit and the fourth slit are intersected at the center point of the fourth slit.
In some embodiments, the optical filter further comprises a plurality of optical filters, each optical filter is detachably arranged on the first gap and/or the second gap, and the light transmittance of the plurality of optical filters is different.
In a second aspect, the present application also provides a method for simulating a tracked object, which is applicable to the apparatus for simulating a tracked object according to the first aspect, and the method includes:
controlling the light source to emit illumination light;
the method comprises the steps that a corresponding reticle is arranged in a first light transmission area according to a preset mode, a corresponding slit plate is arranged in a second light transmission area according to the preset mode, and the preset mode comprises at least one tracking mode corresponding to the moving track of various objects;
adjusting the position of the slit plate in the second light transmission area according to the preset direction and the first preset frequency;
controlling the optical observation equipment to acquire track points of the moving track of the object according to a second preset frequency, and fitting the track points to form track information, wherein the second preset frequency corresponds to the first preset frequency;
and comparing the track information with the moving track of the object on the reticle, and outputting an object tracking result of the optical observation device.
In a third aspect, the application also provides a computer readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the method of the second aspect.
Compared with the prior art, the application has the following beneficial effects:
the device for simulating and tracking the object comprises a light source assembly, a reticle assembly and a slit assembly, wherein the light source assembly comprises a light source and a collimator, the light source generates illumination light, the collimator and the light source are matched to form a complete light path, the reticle assembly and the slit assembly are arranged between the light source and the collimator, the reticle assembly specifically comprises a first light transmission area, a first mounting seat and a plurality of reticles, each reticle is provided with a first gap, the first gap records an object moving track, the object moving tracks recorded on different reticles are different, the reticles can move into or move out of the first light transmission area through the first mounting seat to realize the switching of different object moving tracks, the slit assembly specifically comprises a second light transmission area, a second mounting seat and a plurality of slit plates, each slit plate is provided with a second gap, the second gap and the first gap are provided with overlapped light transmission areas, and the shape of the overlapped light transmission areas of the second gap and the first gap can be adjusted by moving the slit plates in a preset direction, so that the tracking simulation effect of the object track is realized; the technical scheme has simple structure, and the combination of different reticles and different slit plates can realize the tracking modes of different object movement tracks, thereby being easy to use.
Drawings
FIG. 1 is a schematic diagram of an apparatus for simulated tracking of an object provided in accordance with an embodiment of the present application;
FIG. 2 is a schematic diagram of a reticle assembly provided in accordance with an embodiment of the present application;
FIG. 3 is a schematic view of a first reticle and a first slit plate according to an embodiment of the application;
FIG. 4 is a schematic diagram illustrating a usage stage of a first reticle and a first slit plate according to an embodiment of the application;
FIG. 5 is a schematic diagram of an object motion track corresponding to different stages of a first reticle and a first slit plate according to an embodiment of the present application;
FIG. 6 is a schematic diagram of a second reticle and a second slit plate provided according to an embodiment of the present application;
FIG. 7 is a schematic diagram illustrating a usage stage of a second reticle and a second slit plate according to an embodiment of the present application;
FIG. 8 is a schematic diagram of an object motion trajectory corresponding to different stages of a second reticle and a second slit plate according to an embodiment of the present application;
FIG. 9 is a schematic diagram of a third reticle and a third slit plate according to an embodiment of the application;
FIG. 10 is a schematic diagram illustrating a usage stage of a third reticle and a third slit plate according to an embodiment of the present application;
fig. 11 is a schematic diagram of an object moving track corresponding to different stages of a third reticle and a third slit plate according to an embodiment of the present application.
Wherein reference numerals include: 1. a light source; 2. a collimator; 3. a reticle assembly; 31. a first mount; 311. a mounting port; 32. a first connector; 33. a first reticle; 331. a first interference region; 332. a first object motion trajectory; 34. a second dividing plate; 341. a second interference region; 342. a second object motion trajectory; 35. a third reticle; 351. a third interference region; 352. a third object movement track; 4. a slit assembly; 41. a second mounting base; 42. a first slit plate; 421. a first light-transmitting domain; 422. a first slit; 43. a second slit plate; 431. a second light-transmitting domain; 432. a second slit; 44. a third slit plate; 441. a third slit; 442. and a fourth slit.
Detailed Description
Hereinafter, embodiments of the present application will be described with reference to the accompanying drawings. In the following description, like modules are denoted by like reference numerals. In the case of the same reference numerals, their names and functions are also the same. Therefore, a detailed description thereof will not be repeated.
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limiting the application.
Tracking of the moving track of the object by some optical devices is completed by image acquisition devices such as a visual sensor, and the specific principle can be as follows: and acquiring or shooting images within a visual field range according to a certain frequency by a visual sensor, carrying out object identification on the images, and obtaining the moving track of the object through a plurality of images. In practical application, the accuracy of the identification of the moving track of the object is not easy to evaluate, and the adjustment of each parameter of the optical equipment is affected. Based on the premise, the application provides a device for simulating a tracked object, which is used for detecting and adjusting the tracking performance of optical equipment.
Referring to fig. 1 to 11, in a first aspect, the present embodiment provides an apparatus for simulating a tracked object, including a light source assembly, a reticle assembly 3, and a slit assembly 4, the light source assembly including a light source 1 and a collimator 2, the light source 1 being configured to generate illumination light, the collimator 2 having an image plane, the light source 1 being coaxially disposed with the collimator 2; the reticle assembly 3 is arranged between the collimator 2 and the light source 1, the reticle assembly 3 is provided with a first light transmission area, the first light transmission area is arranged corresponding to the image surface of the collimator 2, the reticle assembly 3 comprises a plurality of reticles and a first mounting seat 31, the reticles are arranged on the first mounting seat 31, the first mounting seat 31 is movably arranged between the light source 1 and the collimator 2, the reticles can move into or out of the first light transmission area under the drive of the first mounting seat 31, each reticle is provided with a first gap, the first gap is recorded with an object moving track, and the object moving tracks recorded on different reticles are different; the slit assembly 4 comprises a plurality of slit plates and a second mounting seat 41, a second light transmission area is arranged on the second mounting seat 41, the second light transmission area and the first light transmission area are both arranged on the propagation path of illumination light, each slit plate is provided with a second gap, each second gap corresponds to a moving track of an object, the slit plates are detachably connected with the second mounting seat 41 and can move along a preset direction relative to the second mounting seat 41 so as to adjust the position of the second gap in the second light transmission area, and the second mounting seat 41 is arranged between the light source 1 and the first mounting seat 31; the illumination light emitted by the light source 1 sequentially passes through the second light transmission area, the second gap, the first gap and the first light transmission area and then is transmitted out from the collimator 2.
In this embodiment, the light source assembly can provide ambient light in the process of simulating and tracking an object, and specifically, the light source assembly includes the light source 1 and the collimator 2. The illumination light generated by the light source 1 may have multi-band light beams, and it should be noted that, in this embodiment, tracking simulation of the moving track of the object is mainly implemented by using different light and shade shadows formed by different transmittance of the light beam in the first gap and the second gap, that is, the illumination function of the light beam emitted by the light source 1 is used, the simulation process will be described in detail later, and the spectrum of the light source 1 shown in this embodiment may be selected according to the actual requirement, based on this, the light beam emitted by the light source 1 shown in this embodiment is denoted as illumination light.
The collimator 2 is a device that sets a light source 1 or a required optical element (such as a star point plate, a resolution plate, a glass Luo Ban, etc.) on the focal plane of an optical system thereof, so as to image the light source at infinity, and provides a beam of parallel light or an object at infinity for a subsequent system. The optical device is disposed at the output end of the collimator 2, so that the collimated light emitted from the light source 1 after being collimated by the collimator 2 can be collected. Preferably, the collimator 2 is a common foldback (adaptable to sensors of different wavebands) collimator.
In this embodiment, a reticle assembly 3 and a slit assembly 4 are disposed between the collimator 2 and the light source 1, and then the illumination light output by the light source 1 sequentially passes through the slit plate and the reticle and then enters the collimator 2, so that the parallel light formed by the collimator 2 is shielded by the reticle and the slit plate, different light transmission areas can be generated, and then the light is collected by an optical device and subjected to track analysis, thereby realizing tracking simulation of an object.
Specifically, the reticle assembly 3 includes a reticle and a first mount 31, where the first mount 31 is movably disposed between the light source 1 and the collimator 2, that is, the first mount 31 may drive the reticle mounted thereon to move relative to the light source assembly, so as to realize position adjustment of the reticle at the image plane of the collimator 2. The reticle is provided with a first gap, which can be understood here in connection with fig. 3, 6 and 9: the reticle is a flat plate, preferably, other areas of the reticle except the first gap have uniform light transmittance, the first gap is formed in the flat plate, part of illumination light can pass through the first gap, part of illumination light passes through the area with uniform light transmittance on the reticle, and the first shadow image formed after the illumination light passes through the reticle can be acquired at the image acquisition end of the optical equipment by presetting the shapes of the first gaps on different reticles.
The slit assembly 4 comprises a plurality of slit plates and a second mounting seat 41, the second mounting seat 41 is fixedly arranged between the light source 1 and the collimator 2, and is arranged between the first mounting seat 31 and the light source 1, a first light transmission area is arranged on the second mounting seat 41, and illumination light generated by the light source 1 sequentially passes through the second light transmission area and the first light transmission area and enters the collimator 2. The slit plate is movably disposed on the second mounting seat 41, specifically, the slit plate can move along a preset direction relative to the second mounting seat 41, and in this embodiment, the preset direction can be set according to the moving direction of the object moving track to be simulated. The second mounting seat 41 is detachably connected with the slit plate, so that the simulation requirements of the moving tracks of different objects can be realized by disassembling and assembling different slit plates. The connection between the second mounting seat 41 and the slit plate may be a sliding connection, a clamping groove connection, a fastening piece connection, etc., which will not be described herein.
The slit plate is provided with a second gap, the shape of the second gap is different from that of the first gap, and the second gap is specifically set according to the tracking requirements of different object moving tracks, which will be described later. In this embodiment, the second gaps on each slit plate may be different or identical, and specifically set according to actual requirements. The slit plate is a flat plate, preferably, the other areas of the slit plate except the second gap have uniform light transmittance, part of illumination light is transmitted through the second gap, part of illumination light is transmitted in the area with uniform light transmittance on the slit plate, and when the reticle is not arranged, the optical device acquires a second shadow image formed after the illumination light is transmitted through the slit plate. When the reticle is set, the illumination light passes through the slit plate and the reticle, so that the optical device acquires a third shadow image of the illumination light corresponding to the propagation path, namely an image simulating an object moving track of an object at a certain moment in the moving process, and when the positions of the reticle and the slit plate are correspondingly adjusted, an overlapped light transmission area between the first gap and the second gap can be adjusted, and the optical device acquires the adjusted third shadow image correspondingly, so that images of the object moving track at a plurality of moments in the whole object moving process can be obtained, as shown in fig. 3 to 5, fig. 6 to 8 and fig. 9 to 11.
The device for simulating and tracking the object is simple in integral structure, different reticle plates and different slit plates can be combined to achieve different tracking modes of the moving track of the object, the device is easy to use, object track tracking simulation is converted from virtual simulation to physical simulation, and the device is convenient to test and correct the object tracking function of optical equipment.
Referring to fig. 2, in some embodiments, a plurality of mounting openings 311 are formed in the first mounting base 31, and a reticle is disposed on each mounting opening 311; the reticle assembly 3 further includes a first connecting member 32, the first connecting member 32 has a first light-transmitting area, the first connecting member 32 has a first connecting shaft, the first mounting seat 31 is movably connected with the first connecting member 32 through the first connecting shaft, and the first mounting seat 31 can be driven by the first connecting shaft to rotate so as to switch the reticle placed in the first light-transmitting area.
In this embodiment, the shape of the mounting opening 311 corresponds to the shape of the reticle. Preferably, the mounting openings 311 are provided in the circumferential direction of the first mounting plate. Each mounting hole 311 is correspondingly provided with a reticle, and optionally, the fixation between the reticle and the mounting hole 311 can be realized by fastening members such as a set screw, a spring pressing sheet, a fastening bolt and the like.
The first light-transmitting region is provided on the first connector 32, as can be understood herein: the first connector 32 leaves a first light-transmitting region on the propagation path of the illumination light, facilitating the optical path propagation of the illumination light. A first connecting shaft is arranged between the first mounting seat 31 and the first connecting piece 32, specifically, a bearing is arranged between the first connecting shaft and the first connecting piece 32, the first connecting shaft is fixedly connected with the first mounting seat 31, the first mounting seat 31 can rotate relative to the first connecting piece 32, and the switching of different reticles in the first light transmission area is realized.
Referring to fig. 3, 6 and 9, in some embodiments, the reticle assembly 3 includes a first reticle 33 and/or a second reticle 34 and/or a third reticle 35, a first gap on the first reticle 33 includes a first interference area 331 and a first object active trajectory 332, the first interference area 331 is not in communication with the first object active trajectory 332; the first gap on the second reticle 34 includes a second interference region 341 and a second object moving track 342, and one end of the second interference region 341 is communicated with the second object moving track 342; the first gap on the third reticle 35 includes a plurality of third interference regions 351 and third object moving tracks 352, where the third object moving tracks 352 are disposed at the intersection of the plurality of third interference regions 351.
In this embodiment, the first reticle 33 includes a first interference area 331 and a first object moving track 332, and the first reticle 33 is used for simulating a scene of an object encountering an interference cloud layer in a flight process, so that the first interference area 331 is in a cloud layer shape, and the first object moving track 332 is a flight track of the object.
Optionally, the second reticle 34 includes a second interference area 341 and a second object moving track 342, where the second reticle 34 is used for simulating that the object is in a static state, and the interfering object gradually approaches a scene where the object finally collides with the object, and the second interference area 341 is a moving track of the interfering object, and the second object moving track 342 is a punctiform area.
Optionally, the third reticle 35 includes third interference areas 351 and third object moving tracks 352, where the third reticle 35 is used to simulate a scene that the boosters at the tail of the object gradually separate, so the number of the third interference areas 351 is multiple, each third interference area 351 refers to a separating track of one booster, and the third object moving tracks 352 are moving tracks of the object in the air and are disposed at the junction of the multiple third interference areas 351.
Referring to fig. 3 to 11, in some embodiments, the slit assembly 4 includes a first slit plate 42 and/or a second slit plate 43 and/or a third slit plate 44, the first slit plate 42 corresponds to the first dividing plate 33, the second gap on the first slit plate 42 includes a first light-transmitting region 421 and a first slit 422, when the first dividing plate 33 is disposed in the first light-transmitting region and the first slit plate 42 is disposed in the second light-transmitting region, the first interference region 331 is disposed in the first light-transmitting region 421, and the first object moving track 332 is disposed in the first slit 422; the second slit plate 43 corresponds to the second division plate 34, the second gap on the second slit plate 43 includes a second light-transmitting region 431 and a second slit 432, when the second division plate 34 is disposed in the first light-transmitting region and the second slit plate 43 is disposed in the second light-transmitting region, the second object movable trace 342 is disposed in the second light-transmitting region 431, and the second interference region 341 is disposed in the second slit 432; the third slit plate 44 corresponds to the third dividing plate 35, the second gap on the third slit plate 44 includes a third slit 441 and a fourth slit 442, when the third dividing plate 35 is disposed in the first light-transmitting region and the third slit plate 44 is disposed in the second light-transmitting region, the third slit 441 meets the fourth slit 442, the third object moving track 352 is disposed in the third slit 441, and the plurality of third interference regions 351 are disposed in the fourth slit 442.
The first slit plate 42 corresponds to the first dividing plate 33, that is, when the first dividing plate 33 is placed in the first light-transmitting area, the first slit plate 42 is correspondingly disposed in the second light-transmitting area, and the adjustment of the overlapping light-transmitting area of the first gap and the second gap is realized through the adjustment of the relative positions of the first slit plate 42 and the first dividing plate 33, so that the simulation of the movement track of the object is finally obtained. Based on this, the second gap on the first slit plate 42 includes the first light-transmitting domain 421 and the first slit 422, and the positional relationship between the first slit plate 42 and the first reticle 33 can be specifically understood with reference to fig. 4 and 5: when the simulated object encounters a scene of disturbing cloud layer in the flight process, the first disturbing area 331, i.e. the cloud layer shape, is placed in the first light transmitting area 421, the first light transmitting area 421 is a square area, and the overlapping area of the first slit 422 and the first object moving track 332, i.e. the flight track point of the object at a certain moment. When the position of the first slit plate 42 in the second light-transmitting area is adjusted, the overlapping area of the first slit 422 and the first object moving track 332 is different, but the first interference area 331 in the first light-transmitting area 421 is always kept in a static state, which corresponds to a scene that the cloud layer is kept relatively static in the field of view of the optical device and the object is kept relatively moving during actual observation.
The second slit plate 43 corresponds to the second reticle 34, that is, when the second reticle 34 is placed in the first light-transmitting area, the second slit plate 43 is correspondingly disposed in the second light-transmitting area, and the adjustment of the overlapping light-transmitting area of the first gap and the second gap is achieved through the adjustment of the relative positions of the second slit plate 43 and the second reticle 34, so that the simulation of the movement track of the object is finally obtained. Based on this, the second gap on the second slit plate 43 includes the second light-transmitting domain 431 and the second slit 432, and the positional relationship between the second slit plate 43 and the second dividing plate 34 can be specifically understood with reference to fig. 7 and 8: when the simulated object is in a static state and the interfering object gradually approaches the scene where the object finally collides with the object, the second interference area 341, that is, the motion track of the interfering object, is disposed in the second slit 432, the second light-transmitting area 431 is a square area, and the second object moving track 342 is disposed in the second light-transmitting area 431, so that the overlapping area of the second slit 432 and the second interference area 341, that is, the motion track point of the interfering object at a certain moment. The second slit 432 is different from the overlapping area of the second interference area 341 by adjusting the position of the second slit plate 43 in the second light transmission area, but the second object moving track 342 in the second light transmission area 431 is always kept in a static state, which corresponds to the scene of the object being knocked down when the object is kept relatively static in the field of view of the optical device during actual observation, and the interfering object is kept relatively moving and approaches the object.
The third slit plate 44 corresponds to the third reticle 35, that is, when the third reticle 35 is placed in the first light-transmitting region, the third slit plate 44 is correspondingly disposed in the second light-transmitting region, and the adjustment of the overlapping light-transmitting region of the first gap and the second gap is achieved through the adjustment of the relative positions of the third slit plate 44 and the third reticle 35, so that the simulation of the movement track of the object is finally obtained. Based on this, the second gap on the third slit plate 44 includes the third slit 441 and the fourth slit 442, and the positional relationship between the third slit plate 44 and the third reticle 35 can be specifically understood with reference to fig. 10 and 11: when a scene of gradually separating the booster at the tail of the object is simulated, the third interference area 351, that is, the separation track of the booster, is disposed in the fourth slit 442, specifically, as shown in fig. 10, the overlapping area between the plurality of third interference areas 351 and the fourth slit 442 is shown in fig. 10, and the third object moving track 352 is disposed in the third slit 441, then the overlapping area between the third slit 441 and the third object moving track 352, that is, the moving track point of the object at a certain moment, and the overlapping area between the fourth slit 442 and the plurality of third interference areas 351, that is, the separation track point of the booster at a certain moment. When the position of the third slit plate 44 in the second light-transmitting region is adjusted, the overlapping region of the third slit 441 and the third object moving track 352 is different, and the overlapping region of the fourth slit 442 and the third interference region 351 is different, but the separation track point of the booster is gradually far away from the moving track of the object, which corresponds to the scene that the object is gradually far away from the booster in the field of view of the optical device during actual observation, and the booster gradually drops according to the separation track.
Referring to fig. 3 and 6, in some embodiments, the first light-transmitting domain 421 communicates with one end of the first slit 422; and/or, the second light transmitting domain 431 communicates with one end of the second slit 432.
Referring to fig. 9, in some embodiments, a plurality of third interference regions 351 are symmetrically disposed at two sides of a third object moving track 352; the third slit 441 is disposed perpendicular to the fourth slit 442, and the third slit 441 and the fourth slit 442 meet at a center point of the fourth slit 442. The positional relationship between the third interference area 351 and the third object moving track 352 in the embodiment better conforms to the positional relationship between the actual booster and the object, and the positional layout of the third slit 441 and the fourth slit 442 on the third slit plate 44 is correspondingly set based on the positional relationship, so that the optical device better conforms to the actual scene in the object tracking process.
In some embodiments, the optical filter further comprises a plurality of optical filters, each optical filter is detachably arranged on the first gap and/or the second gap, and the light transmittance of the plurality of optical filters is different. In this embodiment, the light transmittance of the different filters is different, so that the light and shade intensity of the illumination light passing through the first gap can be adjusted by arranging the filters with different light transmittance on the first gap, so that the difference between the transmittance of the illumination light in the first gap and the transmittance of other areas of the reticle is increased, the identification is convenient, and the light and shade intensity of the illumination light passing through the second gap can be adjusted by arranging the filters with different light transmittance on the second gap, so that the difference between the transmittance of the illumination light in the second gap and the transmittance of other areas of the slit plate is increased, and the identification is convenient.
Preferably, the combination and arrangement of different optical filters can also increase the influence of the ambient light with different brightness on the object tracking process of the optical device in the object tracking process.
Referring to fig. 3 to 11, in a second aspect, the present embodiment further provides a method for simulating a tracked object, which is applicable to the apparatus for simulating a tracked object according to the first aspect, and the method includes:
controlling the light source to emit illumination light;
the method comprises the steps that a corresponding reticle is arranged in a first light transmission area according to a preset mode, a corresponding slit plate is arranged in a second light transmission area according to the preset mode, and the preset mode comprises at least one tracking mode corresponding to the moving track of various objects;
adjusting the position of the slit plate in the second light transmission area according to the preset direction and the first preset frequency;
controlling the optical observation equipment to acquire track points of the moving track of the object according to a second preset frequency, and fitting the track points to form track information, wherein the second preset frequency corresponds to the first preset frequency;
and comparing the track information with the moving track of the object on the reticle, and outputting an object tracking result of the optical observation device.
In this embodiment, the preset mode refers to different preset object tracking modes, each object tracking mode corresponds to a simulated scene of object tracking, and in different simulated tracking object scenes, the layout between the object and the interfering object or other components is different, and the corresponding moving track of the object, the interaction track of the interfering object and the shape of other components are different.
It should be noted that, the first preset frequency and the second preset frequency may be the same or different, and may specifically be adjusted according to the actual tracking scene requirement, which is not limited in this embodiment.
In a third aspect, the present embodiment also provides a computer-readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the method of the second aspect.
In the above technical solution, the device for simulating and tracking an object includes a light source assembly, a reticle assembly 3 and a slit assembly 4, where the light source assembly includes a light source 1 and a collimator 2, the light source 1 generates illumination light, the collimator 2 cooperates with the light source 1 to form a complete light path, the reticle assembly 3 and the slit assembly 4 are disposed between the light source 1 and the collimator 2, the reticle assembly 3 includes a first light-transmitting area, a first mounting seat 31 and a plurality of reticles, each reticle is provided with a first gap, the first gap records an object moving track, the object moving tracks recorded on different reticles are different, the reticles can move into or out of the first light-transmitting area through the first mounting seat 31, so as to realize switching of different object moving tracks, the slit assembly 4 includes a second light-transmitting area, a second mounting seat 41 and a plurality of slit plates, each slit plate is provided with a second gap, the second gap and the first gap have overlapping light-transmitting areas, and the light-transmitting areas of the second gap and the first gap can be adjusted by moving the slit plates in a preset direction, so that the light-transmitting effect of the object can be simulated; the technical scheme has simple structure, and the combination of different reticles and different slit plates can realize the tracking modes of different object movement tracks, thereby being easy to use.
While embodiments of the present application have been illustrated and described above, it will be appreciated that the above described embodiments are illustrative and should not be construed as limiting the application. Variations, modifications, alternatives and variations of the above-described embodiments may be made by those of ordinary skill in the art within the scope of the present application.
The above embodiments of the present application do not limit the scope of the present application. Any other corresponding changes and modifications made in accordance with the technical idea of the present application shall be included in the scope of the claims of the present application.
Claims (9)
1. An apparatus for analog tracking of an object, comprising:
the light source assembly comprises a light source and a collimator, wherein the light source is used for generating illumination light, the collimator is provided with an image plane, and the light source and the collimator are coaxially arranged;
the reticle assembly is arranged between the collimator and the light source, the reticle assembly is provided with a first light transmission area, the first light transmission area is arranged corresponding to the image surface of the collimator, the reticle assembly comprises a plurality of reticles and a first mounting seat, the reticles are arranged on the first mounting seat, the first mounting seat is movably arranged between the light source and the collimator, the reticles can move in or out of the first light transmission area under the drive of the first mounting seat, each reticle is provided with a first gap, the first gap is recorded with an object moving track, and the object moving tracks recorded on different reticles are different;
the slit assembly comprises a plurality of slit plates and a second mounting seat, a second light transmission area is arranged on the second mounting seat, the second light transmission area and the first light transmission area are both arranged on a propagation path of illumination light, each slit plate is provided with a second gap, each second gap corresponds to one object moving track, the slit plates are detachably connected with the second mounting seat and can move along a preset direction relative to the second mounting seat so as to adjust the position of the second gap in the second light transmission area, and the second mounting seat is arranged between the light source and the first mounting seat;
the illumination light emitted by the light source sequentially passes through the second light-transmitting area, the second gap, the first gap and the first light-transmitting area and then is transmitted out from the collimator.
2. The device for simulating tracking of an object of claim 1, wherein the first mounting base is provided with a plurality of mounting openings, each mounting opening being provided with a corresponding reticle; the reticle assembly further comprises:
the first connecting piece, have on the first connecting piece first printing opacity region, have first connecting axle on the first connecting piece, first mount pad pass through first connecting axle with first connecting piece swing joint, first mount pad can be in the drive of first connecting axle is rotatory, in order to switch and place the reticle in the first printing opacity region.
3. The apparatus for simulated tracking of an object of claim 2, wherein said reticle assembly comprises:
a first reticle, a first gap on the first reticle comprising a first interference region and a first object movement track, the first interference region not communicating with the first object movement track;
and/or a second reticle, the first gap on the second reticle comprising a second interference area and a second object movement track, one end of the second interference area being in communication with the second object movement track;
and/or a third reticle, wherein the first gap on the third reticle comprises a plurality of third interference areas and third object moving tracks, and the third object moving tracks are arranged at the intersection of the third interference areas.
4. A device for simulated tracking of an object as claimed in claim 3, wherein said slit assembly comprises:
the first slit plate corresponds to the first reticle, the second gap on the first slit plate comprises a first light transmission area and a first slit, when the first reticle is arranged in the first light transmission area and the first slit plate is arranged in the second light transmission area, the first interference area is arranged in the first light transmission area, and the first object moving track is arranged in the first slit;
and/or a second slit plate, corresponding to the second division plate, wherein a second gap on the second slit plate comprises a second light transmission domain and a second slit, when the second division plate is arranged in the first light transmission region and the second slit plate is arranged in the second light transmission region, the second object moving track is arranged in the second light transmission domain, and the second interference region is arranged in the second slit;
and/or a third slit plate, corresponding to the third reticle, wherein a second gap on the third slit plate comprises a third slit and a fourth slit, when the third reticle is arranged in the first light transmission area, the third slit is intersected with the fourth slit when the third slit plate is arranged in the second light transmission area, the third object moving track is arranged in the third slit, and a plurality of third interference areas are arranged in the fourth slit.
5. The apparatus for simulated tracking of an object of claim 4 wherein said first light transmissive region is in communication with one end of said first slit;
and/or, the second light transmission domain is communicated with one end of the second slit.
6. The apparatus for simulated tracking of an object of claim 4 wherein a plurality of said third interference areas are symmetrically disposed on either side of said third object locus;
the third slit and the fourth slit are arranged vertically, and the third slit and the fourth slit meet at the center point of the fourth slit.
7. The apparatus for simulated tracking of an object of claim 2 further comprising:
the optical filters are detachably arranged on the first gap and/or the second gap, and the light transmittance of the optical filters is different.
8. A method for simulated tracking of an object, characterized in that it is adapted for use in a device for simulated tracking of an object according to any of claims 1-7, said method comprising:
controlling the light source to emit illumination light;
the method comprises the steps that a corresponding reticle is adjusted to be arranged in a first light transmission area according to a preset mode, a corresponding slit plate is adjusted to be arranged in a second light transmission area according to the preset mode, and the preset mode comprises at least one tracking mode corresponding to the moving track of various objects;
adjusting the position of the slit plate in the second light transmission area according to a preset direction and a first preset frequency;
controlling an optical observation device to acquire track points of the moving track of the object according to a second preset frequency, and fitting the track points to form track information, wherein the second preset frequency corresponds to the first preset frequency;
and comparing the track information with the object moving track on the reticle, and outputting an object tracking result of the optical observation device.
9. A computer readable storage medium on which computer program instructions are stored, which computer program instructions, when executed by a processor, implement the method of claim 8.
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