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High-resolution airborne video acquisition structure

An airborne video, high-resolution technology, applied in the direction of video signal spatial resolution conversion, TV, color TV, etc.

Inactive Publication Date: 2017-10-20
西安中飞航空测试技术发展有限公司
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Problems solved by technology

However, the current airborne video capture equipment can only capture digital videos in DVI formats such as 1600*1200 / 60fps, 1600*1200 / 30fps, 1280*1024 / 60fps, 1024*768 / 60fps, 1024*768 / 30fps, etc. Realize ARINC818 bus data acquisition of 2560*1024 / 30fps

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Embodiment Construction

[0016] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0017] A high-resolution airborne video acquisition structure, including photoelectric conversion module 1, video conversion module 2 and FPGA control module 3; ARINC818 optical signal is converted into ARINC818 electrical signal by photoelectric conversion module 1, and then sent to video conversion module 2, video The conversion module 2 divides the ARINC818 electrical signal into two DVI signal outputs; the video conversion module 2 also sends the ARINC818 electrical signal to the FPGA control module 3. Buffer reading and interpolation, and then DVI encoding output. The FPGA control module 3 in...

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Abstract

The invention relates to the field of airborne video acquisition, particularly to a high-resolution airborne video acquisition structure that can be applied to high-resolution, low-frame-rate ARINC818 fiber video signal conversion to solve an acquisition problem of a high-resolution airborne video so as to provide timely and reliable video data for various flight tests in the aviation test flight field. The high-resolution airborne video acquisition structure comprises a photoelectric conversion module, a video conversion module and an FPGA control module. An ARINC818 optical signal is converted into an ARINC818 electrical signal by the photoelectric conversion module; the converted signal is sent to the video conversion module; the video conversion module converts the ARINC818 electrical signal into two paths of DVI signals for outputting; the video conversion module also sends the ARINC818 electrical signal to the FPGA control module; and the FPGA control module carries out decoding, caching, and reading on the ARINC818 electrical signal and frame insertion as well as DVI coding outputting is carried out.

Description

technical field [0001] The invention belongs to the field of airborne video acquisition, and in particular relates to a high-resolution airborne video acquisition structure. Background technique [0002] Since the airborne display and control system adopts ARINC818 transmission mode, and the video resolution is 2560*1024 / 30fps. However, the current airborne video capture equipment can only capture digital videos in DVI formats such as 1600*1200 / 60fps, 1600*1200 / 30fps, 1280*1024 / 60fps, 1024*768 / 60fps, 1024*768 / 30fps, etc. Realize ARINC818 bus data acquisition of 2560*1024 / 30fps. Contents of the invention [0003] In view of this, the present invention provides a kind of high-resolution airborne video acquisition structure, and it can be used for the conversion of high-resolution, low frame frequency ARINC818 optical fiber video signal, solves the acquisition problem of high-resolution airborne video, and is aeronautical test flight Provide timely and reliable video data f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/18H04N7/01H04N5/262
CPCH04N5/262H04N7/0117H04N7/18
Inventor 陈贝杨廷梧张杰晏晖李宁宁
Owner 西安中飞航空测试技术发展有限公司
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