A video transcoder is a device that converts video from one compressed format into another compressed format with different bitrate, resolution or syntax.

视频转码器可以满足上述需求，将一种压缩格式的视频码流转换为另一种压缩格式，如不同码率、不同分辨率、不同语法格式等。

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Aiming at the high resolution graphic adapter VGA or EGA widely adopted in this country, a new method for compressed coding and decoding display of the images is proposed and realized in this paper.

针对目前国内十分流行的VGA及EGA等高分辩率图形卡，本文提出并实现了一种新的图象压缩编码与解码回显的方法。

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Chirp signal is a kind of pulse-compressed signal with large time-bandwidth products achieved through linear frequency modulation. It has high resolution in range because of its great bandwidth.

线性调频信号是通过线性频率调制获得大的时宽带宽积的一种脉冲压缩信号，具有大的带宽，因此有高的距离分辨力。

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