Fiber optic transmission system integrating infrared digital video image and communication control
A digital video and communication control technology, applied in the field of communication, can solve the problems of unstable output signal, complex interface, poor real-time performance, etc., to achieve the effect of enhancing real-time performance, high transmission rate and reducing weight
Inactive Publication Date: 2016-08-17
BEIJING AEROSPACE INST FOR METROLOGY & MEASUREMENT TECH +1
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[0004] However, in the infrared imaging device, the original digital video and control commands are transmitted through the dielectric, the interface is relatively complex, there are many wiring harnesses, and it is susceptible to interference from various complex environments, resulting in unstable output signals and poor real-time performance, which is not conducive to the back-end The information processing unit receives data and sends control instructions
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[0030] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0031] Such as figure 1 As shown, the present invention is an optical fiber transmission system that integrates infrared digital video images and communication control, based on FPGA as the core, and has the characteristics of flexible configuration and scalability. The infrared detector in the infrared imaging device collects the infrared heat radiation of the target and converts it into a digital video signal through the circuit and sends it to the FPGA; the digital video signal is processed in the FPGA and sent to the optical fiber transmission module, and the FPGA receives and returns the communication through the optical fiber transmission module Control instruction;
[0032] In this embodiment, the infrared digital video is LVDS image data, and the communication control adopts one of the following methods: CAN...
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This invention belongs to the technical field of communication, and specifically relates to a fiber optic transmission system integrating infrared digital video image and communication control. A target infrared radiation is collected and switched into digital video signals to FPGA (Field Programmable Gate Array) by an infrared detector arranged in an infrared imaging device; the digital video signals are processed in the FPGA and sent to a fiber optic transmission module; and simultaneously, the FPGA receives and returns a communication control instruction through the fiber optic transmission module. The system integrates the infrared digital video image and the communication control through one optical fiber to perform interactive transmission, satisfies the long-distance transmission requirement under bad conditions of strong electromagnetic interference, and the like, and has reliable transmission data and low bit error rate.
Description
technical field [0001] The invention belongs to the technical field of communication, and in particular relates to an optical fiber transmission system which combines infrared digital video images and communication control. Background technique [0002] The ever-rising optical fiber communication has the advantages of high bandwidth, anti-electromagnetic interference, long transmission distance, small size, and low price. It is very suitable for the miniaturization and integration design optimization of infrared imaging devices, and it is also used in missiles, airborne, and vehicles. Various complex application environments. [0003] As the front-end acquisition equipment of various types of equipment, the infrared imaging device converts the infrared radiation information of the target into digital image data and transmits it to the back-end information processing unit. The integrated transmission of data and control data effectively solves the problems of signal distorti...
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IPC IPC(8): H04N7/22H04B10/25
CPCH04B10/2589H04N7/22
Inventor 何锁纯傅强刘晗董斐常虹魏小林林森周阳
Owner BEIJING AEROSPACE INST FOR METROLOGY & MEASUREMENT TECH