查询词典 compression of data

Vector quantization is a very important method of data compression.

李萍矢量量化是一种非常重要的数据压缩技术。

A detection method of double-threshold constant false alarm movement object on double-base synthetic aperture radar includes finalizing distance compression of various pulse-sampling, dividing orientation time to be multiple CPI, carrying out FFT in each CPI to enter orientation frequency domain, comparing data amplitude of frequency channel at external of clutter region with the first threshold and outputting point trace, making coagulation on point trace, making Hough transform in point trace domain and making decision of the second threshold.

本发明涉及一种用于双基地合成孔径雷达的双门限恒虚警运动目标检测方法，其特征在于：1对每个脉冲采样完成距离压缩；2把方位时间分割成多个相干处理间隔；3在每个CPI内做快速傅立叶变换进入方位频域；4把杂波区外的频率通道的数据幅度和第一门限比较做判决并输出点迹；5点迹凝聚；6在点迹域做Hough变换并做第二门限判决。

The principles, commonly used methods and criteria of data compression are introduced descriptively.

数字化多媒体信息尤其是数字视频、音频信号的数据量是极其庞大的，给存储、传输以及有效、快速获取信息都带来了严重的障碍，如果不对其进行有效的压缩就难以得到实际应用〔'。

Numerous methods have been developed for the compression of digital image data.

对于数字图像数据的压缩，人们已经研究出大量的方法。

Even with advanced methods of data compression,full-motion video can suck up hard disk space faster than water falls when pouerd out of a bucket.

即使先进的程序用在过时的压缩技术上，full-motion video占用硬盘空间比从水桶倾泻而出的水还快。

It is a lossless algorithm that only offers decent compression ratios in specific types of data.

这是一个无损算法，该算法只提供体面的压缩比在特定类型的数据。

Almost all video codecs use lossy compression to minimize the huge amounts of data associated with video.

几乎所有的视频编译码器都采用有损压缩，最小化与视频相关的数据量。

The study region is a strongly deformed area of the east margin of the Tibet plateau due to the northeastward compression of Indian plate. A study on the recent state of stress in the plateau provides basic data for research of continental dynamics.

兰州—玛曲地区是印度板块北东向推挤引起青藏块体强烈变形的前缘区，该区的现今构造应力场研究对研究大陆动力学问题具有重要意义。

Quartered transform technique has been applied in many fields of digital signal especially in the field of data compression.

正交变换技术已在数字信号的各个领域中得到了多方面的应用，尤其在数据压缩压缩领域。

The effects of data compression upon radiometric resolution are studied.

分析了SAR数据压缩对辐射分辨率的影响，并将其应用到实际的量化字长选取当中。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。