CN109856994A - A kind of infrared image injected simulation system and method based on optical fiber transmission - Google Patents
A kind of infrared image injected simulation system and method based on optical fiber transmission Download PDFInfo
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- CN109856994A CN109856994A CN201910141515.6A CN201910141515A CN109856994A CN 109856994 A CN109856994 A CN 109856994A CN 201910141515 A CN201910141515 A CN 201910141515A CN 109856994 A CN109856994 A CN 109856994A
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Abstract
The invention discloses a kind of infrared image injected simulation system and methods based on optical fiber transmission, it is related to a kind of suitable for infrared seeker semi-true object emulation technology, it include: scene simulation computer, FPGA Optical Interface Board, interface adapter board, target seeker, high-speed a/d data collecting card, improve cabinet, CAN communication plate, high speed image data acquisition card and several optical fiber, the FPGA Optical Interface Board is connected with the PCI-E interface of the scene simulation computer, the interface adapter board is connected between the optical module interface and the target seeker of the FPGA Optical Interface Board by optical fiber, the conditioning cabinet is connected between the target seeker and scene simulation computer；A kind of infrared image injected simulation system and method based on optical fiber transmission of the present invention solves the problems, such as that the pouring-in HWIL simulation message transmission rate of infrared image is low, real-time is poor, interferes vulnerable to electromagnetic environment, poor universality.
Description
Technical field
The present invention relates to one kind to be suitable for infrared seeker semi-true object emulation technology, in particular to a kind of to be transmitted based on optical fiber
Infrared image injected simulation system and method.
Background technique
With the promotion of computer computation ability, various Design of Simulation System emerge one after another, since computer is imitative
Really have many advantages, such as efficient, economical, there is abundant application in the guided missile development stage.The Digital Simulation design initial from guided missile is tested
Card, to the semi-matter simulating system test collectively formed by scene simulation computer and infrared seeker, Computer Simulation is
It is widely used in guided missile development process.
The components of guided missile can individually be carried out emulation testing by HWIL simulation, have important finger for live shell test
Lead meaning." eyes " of the infrared seeker as guided missile have critical role in HWIL simulation.Emulation for target seeker
Test includes image filling type and two kinds of radiant type HWIL simulation.The former calculates generation by scene simulation computer in real time and leads
Leader image, is directly inputted to target seeker；The latter generates IR Scene by the methods of Infrared scene simulation with image device, and target seeker is direct
Detection receives extraneous infrared information.The former higher flexibility and economical and efficient, in terms of being widely used in target seeker Processing Algorithm
Verification experimental verification.Traditional infrared image method for implanting is directly to carry out image data transmission by usb bus, but for resolution ratio
For the 16bit infrared picture data of 320x256, transmission bandwidth is not able to satisfy the digital infrared image note of the high frame frequency of high speed
Enter；Electric signal is interfered when being communicated vulnerable to electromagnetic environment simultaneously, also needed in debugging process very with caution, influence to develop into
Degree.In addition, communication protocol is often different for the product of different model, therefore, carried out individually for current task
The design of infrared image injected simulation system was not only uneconomical but also inefficient.
Therefore, designing one can be realized analogue system that high speed infrared digital picture is injected, general with important meaning
Justice.Fiber optic communication is not interfered relative to traditional high-speed data communication mode, optical signal by periphery electromagnetic environment, simultaneous transmission speed
Rate is also enough, and is better than traditional electric signal on communication distance, is matched by designing individual fiber optic protocols pinboard
Analogue system and product are a kind of reasonable, efficient modes, thus this infrared image injected simulation system be based on optical fiber transmission,
Multimode.
Summary of the invention
The purpose of the present invention is to provide it is a kind of based on optical fiber transmission infrared image injected simulation system and method, with
The solution pouring-in HWIL simulation message transmission rate of infrared image is low, real-time is poor, vulnerable to electromagnetic environment interference, poor universality
The problem of.
The present invention provides a kind of infrared image injected simulation system based on optical fiber transmission, structure includes that scene is imitative
Genuine computer, FPGA Optical Interface Board, interface adapter board, target seeker, high-speed a/d data collecting card, conditioning cabinet, CAN communication
Plate, high speed image data acquisition card and several optical fiber, the PCI-E of the FPGA Optical Interface Board and the scene simulation computer
Interface is connected, and the interface adapter board is led by the optical module interface that optical fiber is connected to the FPGA Optical Interface Board with described
Between leader, the conditioning cabinet is connected between the target seeker and scene simulation computer, the scene simulation computer
Input terminal installs the high-speed a/d data collecting card, and the output end of the scene simulation computer installs the high speed image number
According to capture card, the CAN communication plate is connected between network and the scene simulation computer.
Further, the fiber optic communication protocol of the scene simulation computer is using standard, public fiber optic communication association
View.
Further, the calculated performance of the scene simulation computer meets the generation of REAL TIME INFRARED THERMAL IMAGE scene, rendering, described
Scene simulation computer is equipped with the IR image enhancement software of infrared image injection.
Further, the FPGA Optical Interface Board selects high performance fpga chip to realize protocol conversion.
Further, the high-speed a/d data collecting card, which is selected, has FIFO (First In First Out) function
Data collecting card.
Further, what the CAN communication plate was selected is two-way CAN card.
Further, the high speed image data acquisition card selects PAL system image pick-up card.
Further, the emulation mode of a kind of infrared image injected simulation system based on optical fiber transmission,
It is characterized in that, step are as follows:
Step 1: FPGA Optical Interface Board is configured to the fibre optic data transmission module of ping-pang storage DMA transfer mode；
Step 2: fiber optic communication protocol between interface adapter board matching scene simulation computer and target seeker interface is utilized；
Step 3: scene simulation computer generates infrared picture data and is sent to interface by FPGA Optical Interface Board
Plate, output is to target seeker after the transformat of data is adjusted by interface adapter board again；
Step 4: target seeker carries out simulation calculation after receiving image data and control signal data, then passes through light
Fine return control signal generates new infrared simulation image to scene simulation computer, later repeatedly step 3.
Compared with prior art, the present invention has the following obvious advantages:
(1) simulated environment is provided present invention is mainly used for the HWIL simulation for guided missile development stage infrared seeker.
(2) FPGA Optical Interface Board can the customized fiber optic communication protocol with scene simulation computer terminal, interface
Plate fiber optic communication protocol according to used in the fiber optic communication protocol of scene simulation computer terminal and target seeker assist between the two
The FPGA hardware logical design of conversion is discussed, suitability, the versatility connected between equipment is improved.
(3) conditioning cabinet can isolate the digital signal and analog signal of target seeker output, guarantee data acquisition results
Accuracy.
(4) interference of electromagnetic environment is avoided using fiber optic communication, and the number that can satisfy the high frame frequency of high speed is infrared
The transmission bandwidth of image injection.
Detailed description of the invention
Fig. 1 is system structure diagram provided in an embodiment of the present invention；
Fig. 2 is open-loop simulation data flow diagram provided in an embodiment of the present invention；
Fig. 3 is closed-loop simulation data flow diagram provided in an embodiment of the present invention.
Specific embodiment
Below with reference to the attached drawing in the present invention, clear, complete description is carried out to the technical solution of the embodiment of the present invention, is shown
So, described embodiment is a part of the embodiments of the present invention, rather than whole embodiments.Based on the implementation in the present invention
Example, those of ordinary skill in the art's every other embodiment obtained without making creative work, is all answered
Belong to the scope of protection of the invention.
In order to facilitate understanding and illustrate, referring to figs. 1 to Fig. 3, the present invention provides a kind of infrared figures based on optical fiber transmission
As injected simulation system, structure includes scene simulation computer, FPGA Optical Interface Board, interface adapter board, target seeker, height
Fast A/D data collecting card, conditioning cabinet, CAN communication plate, high speed image data acquisition card and several optical fiber, the FPGA optical fiber
Communication board is connected with the PCI-E interface of the scene simulation computer, and the FPGA Optical Interface Board can customized and field
The fiber optic communication protocol of scape simulation calculation generator terminal, the interface adapter board are connected to the FPGA Optical Interface Board by optical fiber
Between optical module interface and the target seeker, the interface adapter board according to the fiber optic communication protocol of scene simulation computer terminal and
Fiber optic communication protocol used in target seeker carries out the FPGA hardware logical design of protocol conversion between the two, the target seeker and field
The conditioning cabinet is connected between scape simulation computer, the scene computer serves as the terminal for monitoring the target seeker state,
The internal circuit design of the conditioning cabinet is mainly used for isolating digital signal and analog signal, guarantees the standard of data acquisition results
True property.The input terminal of the scene simulation computer installs the high-speed a/d data collecting card, the scene simulation computer
Output end installs the high speed image data acquisition card, and the CAN communication plate is connected to network and the scene simulation computer
Between.
Further, the fiber optic communication protocol of the scene simulation computer is using standard, public fiber optic communication association
View.
Further, the calculated performance of the scene simulation computer meets the generation of REAL TIME INFRARED THERMAL IMAGE scene, rendering, described
Scene simulation computer is equipped with the IR image enhancement software of infrared image injection.
Further, the FPGA Optical Interface Board selects high performance fpga chip to realize protocol conversion.
Further, the high-speed a/d data collecting card, which is selected, has FIFO (First In First Out) function
Data collecting card, specific select grind magnificent PCI1716 board, can be realized the data signal acquisition of Millisecond.
Further, what the CAN communication plate was selected is two-way CAN card, and specific select grinds magnificent PCI1680.
Further, the high speed image data acquisition card selects PAL system image pick-up card, specific to select in the good perseverance in Beijing
From the OK image series capture card of image technique Co., Ltd, the target seeker image can be exported with real-time display.
Referring to Fig.1, the emulation mode of a kind of infrared image injected simulation system based on optical fiber transmission, it is special
Sign is, step are as follows:
Step 1: FPGA Optical Interface Board is configured to the fibre optic data transmission module of ping-pang storage DMA transfer mode；
Step 2: fiber optic communication protocol between interface adapter board matching scene simulation computer and target seeker interface is utilized；
Step 3: scene simulation computer generates infrared picture data and is sent to interface by FPGA Optical Interface Board
Plate, output is to target seeker after the transformat of data is adjusted by interface adapter board again；
Step 4: target seeker carries out simulation calculation after receiving image data and control signal data, then passes through light
Fine return control signal generates new infrared simulation image to scene simulation computer, later repeatedly step 3.
Referring to Fig. 2 to Fig. 3, a kind of infrared image injected simulation system based on optical fiber transmission provided by the invention can be transported
Row is in both of which: open-loop simulation and closed-loop simulation.Open-loop simulation, which refers to, loads existing infrared picture data to target seeker, such as
Shown in Fig. 2, this facilitates the debugging of entire link early period, the performance indicators requirement such as verifying real-time；Closed-loop simulation, that is, infrared figure
Guiding head module is injected by optical fiber as calculating generation in real time by scene simulation computer according to condition situation, target seeker response is red
Outer image and control information pass through information new needed for optical fiber more new scene again, and scene simulation computer accordingly generates new again
Infrared image, until emulation terminates, data flow is as shown in Figure 3.Used all kinds of capture cards are primarily used to acquisition and return
The status information of target seeker, the analysis for detecting target seeker state, for simulation result.
Disclosed above is only several specific embodiments of the invention, and still, the embodiment of the present invention is not limited to this, is appointed
What what those skilled in the art can think variation should all fall into protection scope of the present invention.
Claims (8)
1. it is a kind of based on optical fiber transmission infrared image injected simulation system, which is characterized in that including scene simulation computer,
FPGA Optical Interface Board, interface adapter board, target seeker, high-speed a/d data collecting card, conditioning cabinet, CAN communication plate, high speed are schemed
As data collecting card and several optical fiber, the FPGA Optical Interface Board is connected with the PCI-E interface of the scene simulation computer
Connect, the interface adapter board by optical fiber be connected to the FPGA Optical Interface Board optical module interface and the target seeker it
Between, the conditioning cabinet, the input terminal of the scene simulation computer are connected between the target seeker and scene simulation computer
The high-speed a/d data collecting card is installed, the output end of the scene simulation computer installs the high speed image data acquisition
Card, the CAN communication plate are connected between network and the scene simulation computer.
2. a kind of infrared image injected simulation system based on optical fiber transmission as described in claim 1, which is characterized in that institute
The fiber optic communication protocol of scene simulation computer is stated using standard, public fiber optic communication protocol.
3. a kind of infrared image injected simulation system based on optical fiber transmission as described in claim 1, which is characterized in that institute
The calculated performance for stating scene simulation computer meets the generation of REAL TIME INFRARED THERMAL IMAGE scene, rendering, the scene simulation computer installation
The IR image enhancement software for thering is infrared image to inject.
4. a kind of infrared image injected simulation system based on optical fiber transmission as described in claim 1, which is characterized in that institute
Stating FPGA Optical Interface Board selects high performance fpga chip to realize protocol conversion.
5. a kind of infrared image injected simulation system based on optical fiber transmission as described in claim 1, which is characterized in that institute
The high-speed a/d data collecting card stated selects the data collecting card for having FIFO (First In First Out) function.
6. a kind of infrared image injected simulation system based on optical fiber transmission as described in claim 1, which is characterized in that institute
State the selection of CAN communication plate is two-way CAN card.
7. a kind of infrared image injected simulation system based on optical fiber transmission as described in claim 1, which is characterized in that institute
It states high speed image data acquisition card and selects PAL system image pick-up card.
8. a kind of emulation mode of the infrared image injected simulation system based on optical fiber transmission, feature exist in claim 1
In step are as follows:
Step 1: FPGA Optical Interface Board is configured to the fibre optic data transmission module of ping-pang storage DMA transfer mode；
Step 2: fiber optic communication protocol between interface adapter board matching scene simulation computer and target seeker interface is utilized；
Step 3: scene simulation computer generates infrared picture data and is sent to interface adapter board by FPGA Optical Interface Board,
Output is to target seeker after the transformat of data is adjusted by interface adapter board again；
Step 4: target seeker carries out simulation calculation after receiving image data and control signal data, is then returned by optical fiber
It returns control signal and generates new infrared simulation image to scene simulation computer, later repeatedly step 3.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112685914A (en) * | 2021-01-12 | 2021-04-20 | 上海交通大学 | Infrared jamming missile and missile confrontation efficiency simulation evaluation method and system |
| CN113591323A (en) * | 2021-08-11 | 2021-11-02 | 中林信达（北京）科技信息有限责任公司 | Embedded image dynamic scene simulation imaging system and method |
| CN115495940A (en) * | 2022-11-17 | 2022-12-20 | 西北工业大学 | Infrared image injection type simulation method and system based on optical fiber transmission |
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Application publication date: 20190607 |