倍数压缩

本文的工作就是对SAR原始数据高倍数压缩算法进行研究。

This paper is aimed at study on the SAR raw data compression algorithm .

一种有效的合成孔径雷达原始数据高倍数压缩算法

An Efficient High Compression Ratio Algorithm for SAR Raw Data

然后根据Chebyshev展开式良好的下降特性，证明了文章提出的非均匀取样的DCT变换与传统的均匀取样DCT变换相比在信号的压缩倍数和压缩质量方面所具有的良好特性。

Then according to the good decreasing property of Chebyshev expantion , we prove the better characteristics of nonuniform sampling DCT in compression ratio and compression quality comparing with uniform sampling DCT .

高倍数SAR原始数据压缩算法的研究

Study on High Ratio Compression Algorithms of SAR Raw Data

一种基于小波变换的高倍数SAR原始数据压缩算法

A Wavelet-Based Algorithm for SAR Raw Data Compression

然后对标准的基于JPEG量化表进行改进，提出了一种既能有效保真图像边缘信息，又能提高压缩倍数的改进JPEG压缩算法&IJPEG。

By modifying the quantization table of standard DCT based JPEG , an improved JPEG compression algorithm , I JPEG , is represented . The algorithm can hold image edge features effectively and improve image compression ratios as well .

今年，倍数则被市场压缩了。

This year , the multiple has been compressed by the market .