CN206879011U - A kind of missile-borne guidance equipment - Google Patents
A kind of missile-borne guidance equipment Download PDFInfo
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- CN206879011U CN206879011U CN201720490907.XU CN201720490907U CN206879011U CN 206879011 U CN206879011 U CN 206879011U CN 201720490907 U CN201720490907 U CN 201720490907U CN 206879011 U CN206879011 U CN 206879011U
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Abstract
The utility model discloses a kind of missile-borne guidance equipment, there is provided a kind of new processing system for video, with the processor in compatible missile-borne guidance equipment, the video of larger capacity can be stored by also trying one's best.The missile-borne guidance equipment includes：Target seeker is used to collecting the optical signal of objective emission, and by data message corresponding to the optical signal；Video acquisition unit is used to receive and processing data information is to obtain corresponding video data；Video processing unit includes TMS320DM368 chips, for receiving and carrying out encoding compression processing video data；Graphics processing unit is used to receive the video data after the compression transmitted by video processing unit, view data is handled according to image processing algorithm, to obtain target image；Interface unit, it is connected with the missile-board control system of outside, the image processing algorithm that the missile-board control system for receiving outside is sent, and target image is sent to the missile-board control system of outside, outside missile-board control system is used to control missile guidance.
Description
Technical Field
The utility model relates to a missile carries guidance technical field, in particular to missile carries guidance equipment.
Background
Missile-borne guidance is a guidance mode which utilizes light information emitted by a target, generally obtains video information of the target, obtains corresponding light information according to the video information, and captures, positions, tracks and guides the target.
At present, in order to obtain a clearer video of a target, the data volume of the obtained video is larger, which brings great pressure to the storage and transmission of the video. In the prior art, video is usually compressed to reduce storage pressure, for example, an ARM (AcornRISC Machine) processor is mounted on a Digital Signal Processing (DSP), but if the type of the processor is changed, for example, a Field-Programmable Gate Array (FPGA) processor is used, a compression algorithm of the video needs to be modified to adapt to the FPGA processor, and a corresponding compression algorithm needs to be redesigned for different processors, which is relatively complicated.
Therefore, the high-capacity storage of the video is difficult to realize on the prior missile-borne equipment, and the video is not clear probably due to the limitation of the storage capacity, so that the accuracy of the acquired information of the target is low, and the missile hit precision is low.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a missile-borne guidance equipment provides a new video processing system to the treater in the compatible missile-borne guidance equipment, also can save the video of great capacity as far as possible.
The embodiment of the utility model provides a missile-borne guidance equipment, this missile-borne guidance equipment includes:
the seeker is used for collecting optical signals emitted by a target and sending data information corresponding to the optical signals to the video acquisition unit; the data information comprises image information of the position to be attacked by the missile;
the video acquisition unit is used for receiving the data information and processing the data information to obtain corresponding video data; the video data comprise image information of the position to be attacked by the missile;
the video processing unit is used for receiving the video data sent by the video acquisition unit and carrying out coding compression processing on the video data; the video processing unit comprises a TMS320DM368 chip;
the image processing unit is used for receiving the compressed video data sent by the video processing unit and processing the video data according to an image processing algorithm to obtain a target image; wherein the target image comprises an image of the actual shape and/or position of the target;
the interface unit is connected with an external missile-borne control system and used for receiving an image processing algorithm sent by the external missile-borne control system and sending the target image to the external missile-borne control system; the external missile-borne control system is used for controlling missile guidance.
Optionally, the video acquisition unit includes a digital video acquisition unit and an analog video acquisition unit to acquire digital video data and analog video data at the same time; wherein,
the digital video acquisition unit is used for: receiving digital video data output by the seeker, and converting the digital video data to obtain image data;
the analog video acquisition unit is used for: and receiving analog video data output by the seeker, and processing the analog video data to obtain a video data stream.
Optionally, the guidance head comprises an infrared guidance head and a visible light guidance head.
Optionally, the image processing unit is further configured to:
and receiving an image processing algorithm sent by the external missile-borne control system, wherein the image processing algorithm is matched with the type of the seeker.
Optionally, the interface unit includes a multimedia card EMMC interface for connecting an external EMMC memory chip, and the EMMC memory chip is used for storing compressed video data.
Optionally, the interface unit includes a dual-port random access memory RAM interface; wherein,
one of the RAM interfaces is used for transmitting the image data, while the other RAM interface is used for transmitting the video data stream.
Optionally, the RAM interface of the dual-port random access memory is implemented by a chip with a model number IDT70V 25.
The embodiment of the utility model provides an in the missile-borne guidance equipment in set up the TMS320DM368 chip, adopt the TMS320DM368 chip to compress video data, because TMS320DM368 chip self can compress video data, do not need the cooperation of outside other treater, it is so exactly that, the treater in the missile-borne guidance equipment no matter which type, like RAM or FPFA all need not change the video compression algorithm, reach the purpose of the treater of compatible missile-borne guidance equipment. Therefore, large-capacity storage of videos is achieved as much as possible, clear videos are obtained to obtain target information with high accuracy, and the precision of missile hitting is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view of an application scene of a missile-borne guidance device provided by an embodiment of the invention;
fig. 2 is a schematic diagram of the missile-borne guidance device provided by the embodiment of the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. In the case of conflict, the embodiments and features of the embodiments of the present invention can be arbitrarily combined with each other.
In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" in this document generally indicates that the preceding and following related objects are in an "or" relationship unless otherwise specified.
For better understanding, the following description is provided to the application scenario of the missile-borne guidance device provided by the embodiment of the invention.
Referring to fig. 1, an application scenario of a missile-borne guidance device according to an embodiment of the present invention is described. Fig. 1 includes a missile-borne guidance device 101 and a missile-borne control system 102, where the missile-borne guidance device 101 may collect information of a target, such as a position, a shape, and the like of the target, and the missile-borne control system 102 may control the missile-borne guidance device 101 to launch a missile. The missile-borne guidance device 101 and the missile-borne control system 102 are controlled to communicate, that is, the missile-borne guidance device 101 can send target information to the missile-borne control system 102, and the missile-borne control system 102 can send a control command to the missile-borne guidance device 101 according to the target information to control the missile to hit the target.
The technical solution provided by the embodiments of the present invention will be described below with reference to the drawings of the specification.
Referring to fig. 2, an embodiment of the present invention provides a missile-borne guidance device, which can collect target information and capture, locate, track and guide a target.
In a possible implementation manner, the utility model provides a missile-borne guidance device includes seeker 201, video acquisition unit 202, video processing unit 203, image processing unit 204 and interface unit 205, wherein seeker 201, video acquisition unit 202, video processing unit 203, image processing unit 204 and interface unit 205 may be connected through bus 200 (fig. 2 takes this as an example), or may also be connected through special connecting wire. Regardless of the manner in which the seeker 201, video capture unit 202, video processing unit 203, image processing unit 204, and interface unit 205 are connected, if the seeker 201, video capture unit 202, video processing unit 203, image processing unit 204, and interface unit 205 are relatively distant from one another, the connections therebetween will be correspondingly longer, and the longer the connections between electronic components, the higher the likelihood of failure. Therefore, in order to reduce the possibility of the missile-borne guidance device to be in fault as much as possible, the positions of the seeker 201, the video acquisition unit 202, the video processing unit 203, the image processing unit 204 and the interface unit 205, where the missile-borne guidance device is arranged, can be closer, and the connection is convenient.
The seeker 201 can transmit an optical signal to a collection target, and send data information corresponding to the optical signal to the video acquisition unit 202, and the video acquisition unit 202 can receive the data information and process the data information to obtain corresponding video data. The data information may include image information of the position to be attacked by the missile, that is, image information of the position where the target is located. The optical signal may include visible light or infrared light, and correspondingly the seeker 201 may include an infrared seeker or a visible light seeker. Since visible light is used under poor lighting conditions, the accuracy of information for determining a target by collecting the emitted visible light of the target through the visible light guide head is not high. The infrared seeker can overcome the defect of poor illumination conditions, but is easy to cheat by other infrared light, so that the infrared seeker and the visible light seeker are preferably used simultaneously in order to obtain accurate information of the target. However, the infrared seeker and the visible light seeker respectively adopt analog videos or digital videos as video sources, so that compatibility is difficult to achieve, namely the two seekers cannot be compatible at the same time at present.
In view of this, the video capture unit 202 provided in the embodiment of the present invention may include a digital video capture unit and an analog video capture unit, so as to capture digital video data and analog video data at the same time, thereby achieving the purpose of compatibility between the infrared seeker and the visible light seeker.
The digital video acquisition unit can receive the digital video data output by the seeker 201, and the digital video data output by the seeker 201 is serial data, so that the digital video data can be converted to obtain parallel image data. The analog video acquisition unit can receive analog video data output by the seeker 201, and because the analog video data is analog data, the analog video data can be digitized to obtain a digital video data stream. Whatever the video data, the video data is derived from the output of the seeker 201, and can include image information of the position to be attacked by the missile, that is, image information of the position of the target.
In order to obtain accurate information of the target, the clearer the video acquired by the video acquisition unit is, the better the video is, that is, the more information is included, the larger the video data is, and if the video data is directly stored, a large amount of storage space needs to be set, and due to the limitation of some interfaces, the larger the storage space cannot be set by the system itself. Therefore, further processing of the video is required to reduce the space required for storage. Otherwise, only the acquired video data can be reduced, which may result in some key information of the target being missing, resulting in low accuracy of the acquired target information and unfavorable for guidance accuracy.
In view of this, the embodiment of the present invention provides a video processing unit 203, which can receive the video data sent by the video capturing unit 202, and perform encoding and compression processing on the video data, so as to reduce the storage space required for storing the video data. In the prior art, a system of an ARM or FPGA processor is usually loaded by a DSP to implement compression processing of video data. However, the ARM or FPGA processors are different, so that the coding and decoding compression algorithm implemented on the DSP also needs to be changed along with the change of the processors, if the processors of the system are changed, the compression algorithm on the DSP also needs to be changed, which is obviously more complicated, and the development cycle is also prolonged by revising the algorithm again.
For this reason, in a possible implementation manner, the video processing unit 203 provided in an embodiment of the present invention may be implemented by a chip with a model of TMS320DM 368. The TMS320DM368 chip integrates an ARM926EJ-S kernel, two image coprocessing engines (HDVICP and MJCP) and an image processing subsystem (VPSS), can realize complex and efficient video coding and decoding processing, and can avoid a large amount of work required by the realization of a coding and decoding compression algorithm. Therefore, no matter whether other processors are carried on the periphery or not, and no matter what processor is carried on the periphery, the video coding and decoding compression algorithm does not need to be changed, and the purpose of compatibility is achieved.
In order to obtain the information of the target from the compressed video data, the image processing unit 204 further processes the compressed video data to obtain a target image, and the obtained target image can be sent to the external missile-borne control system 102, so that the external missile-borne control system 102 can generate an instruction for controlling the missile according to the parameter information on the target image, thereby controlling the launching of the missile through the instruction. Wherein the target image comprises an image of the actual shape and/or position of the target. The image processing unit 204 may process the obtained video data by an image processing algorithm, which may be stored in the missile-borne guidance device 101 in advance, or may receive externally transmitted data in order to save a storage space. The image processing can be histogram equalization, sharpening, white noise removal and the like, and the image processing algorithm comprises an image segmentation algorithm, an image matching algorithm, an image recognition algorithm, a moving target tracking algorithm and the like. The image processing unit 204 in the embodiment of the present invention may be implemented by a chip of model DS90CR216a 10.
The embodiment of the utility model provides a missile-borne guidance equipment 101 need carry out the communication with outside missile-borne control system 102, realizes through interface unit 205. The missile-borne guidance device 101 can transmit the obtained target image to the external missile-borne control system 102 through the interface unit 205, and the external missile-borne control system 102 can transmit the image processing algorithm to the missile-borne guidance device 101 through the interface unit 205, so that the image processing unit 204 in the missile-borne guidance device 101 processes the image according to the received image processing algorithm. Since the guidance head 201 is different and the corresponding image processing algorithm is different, the external missile-borne control system 102 can send the image processing algorithm matched with the type of the guidance head 201 to the missile-borne guidance device 101 according to the type of the guidance head 201.
The interface unit 205 may perform other functions besides the communication between the missile-borne guidance device 101 and the missile-borne control system 102, for example, the interface unit 205 may include a multimedia Card (EMMC) interface for connecting an external EMMC memory chip, which may be used to store compressed video data. The EMMC memory chip has large memory capacity and can be realized by a THGBM4G7D2GBA chip of 16Gx8 or an SDIN5B2-32G chip of 32Gx 8.
In a possible embodiment, the interface unit 205 may further include a RAM interface, where one of the RAM interfaces is used to transmit image data, and the other RAM interface is used to transmit a video data stream, so that transmission of a large amount of data may be satisfied, and transmission efficiency may be improved. The RAM interface of the double-port random access memory is realized by a chip with the model number IDT70V 25.
The embodiment of the utility model provides a TMS320DM368 chip has been set up in the guidance equipment is carried to the bullet, adopts TMS320DM368 chip to compress video data, because TMS320DM368 chip self can compress video data, does not need the cooperation of outside other treater, just so makes the treater in the guidance equipment is carried to the bullet no matter which type, need not change video compression algorithm like ARM or FPFA, reaches the purpose of the treater of compatible missile-borne guidance equipment. Therefore, large-capacity storage of videos is achieved as much as possible, clear videos are obtained to obtain target information with high accuracy, and the precision of missile hitting is improved.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. A missile-borne guidance device comprising:
the seeker is used for collecting optical signals emitted by a target and sending data information corresponding to the optical signals to the video acquisition unit; the data information comprises image information of the position to be attacked by the missile;
the video acquisition unit is used for receiving the data information and processing the data information to obtain corresponding video data; the video data comprise image information of the position to be attacked by the missile;
the video processing unit is used for receiving the video data sent by the video acquisition unit and carrying out coding compression processing on the video data; the video processing unit comprises a TMS320DM368 chip;
the image processing unit is used for receiving the compressed video data sent by the video processing unit and processing the video data according to an image processing algorithm to obtain a target image; wherein the target image comprises an image of the actual shape and/or position of the target;
the interface unit is connected with an external missile-borne control system and used for receiving an image processing algorithm sent by the external missile-borne control system and sending the target image to the external missile-borne control system; the external missile-borne control system is used for controlling missile guidance.
2. The apparatus of claim 1, wherein the video capture unit comprises a digital video capture unit and an analog video capture unit to capture digital video data and analog video data simultaneously; wherein,
the digital video acquisition unit is used for: receiving digital video data output by the seeker, and converting the digital video data to obtain image data;
the analog video acquisition unit is used for: and receiving analog video data output by the seeker, and processing the analog video data to obtain a video data stream.
3. The apparatus of claim 1, wherein the seeker comprises an infrared seeker and a visible light seeker.
4. The device of claim 3, wherein the image processing unit is further to:
and receiving an image processing algorithm sent by the external missile-borne control system, wherein the image processing algorithm is matched with the type of the seeker.
5. The device of claim 1, wherein the interface unit comprises a multimedia card EMMC interface for connecting to an external EMMC memory chip for storing compressed video data.
6. The device of claim 2, wherein the interface unit comprises a dual port Random Access Memory (RAM) interface; wherein,
one of the RAM interfaces is used for transmitting the image data, while the other RAM interface is used for transmitting the video data stream.
7. The device of claim 6, wherein the dual port Random Access Memory (RAM) interface is implemented by a chip model IDT70V 25.
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| CN201720490907.XU CN206879011U (en) | 2017-05-05 | 2017-05-05 | A kind of missile-borne guidance equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856994A (en) * | 2019-02-26 | 2019-06-07 | 西北工业大学 | A kind of infrared image injected simulation system and method based on optical fiber transmission |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109856994A (en) * | 2019-02-26 | 2019-06-07 | 西北工业大学 | A kind of infrared image injected simulation system and method based on optical fiber transmission |
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