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DVI显示接口在机载雷达中的运用
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现行的机载雷达一般都采用电视体制的PAL制或VGA制式，这两种信号均为模拟信号，模拟信号在用于现代的液晶显示时，要经历先D/A后A/D的变换，经过变换后信号必然有所损失，为了避免这种损失，提出了一种使用高速数字接口——DVI的显示方式，此种显示方式可完全保证数字视频在显示过程中不会引进任何损失，本设计已成功运用到一款机载雷达中，使得该雷达的显示分辩率和稳定度均有较大提升，本设计使用SiI1160为接口器件，数字视频形成电路由FPGA构成，实验证明此种设计稳定可靠，完全达到产品要求。
Abstract:
Currently, airborne radar usually used PAL or VGA signal in video mode to display, both of them are analog signals. When analog signal was used in the LCD video, the digital signals must be transformed to analog signal, and then transformed to digital signal again. During this process the signal must be lost. To avoid the situation, a new high speed video mode, DVI mode is brought forward, which can make sure that the signal will not be lost in the digital video. This design has successfully used in an airborne radar system, which makes the distinguishability and stability of the radar improved much better. In this design, SiI1160 is used as interface chip and FPGA is used to produce digital circuit. As the result of this experiment, this design can be used in the production stably and reliably.
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2011-05-21
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