余弦

The discrete cosine transform is an important mathematical tool in digital image processing and many other fields.

摘 要：离散余弦变换是数字图像处理等许多领域的重要数学工具。

Prepared by the images of discrete cosine transform and wavelet transform the source code can run.

Visual C++编写的图像的离散余弦变换和小波变换的源代码，可直接运行。

A digital watermarking algorithm is proposed based on Discrete Cosine Transform and Arnold transform.

提出一种基于离散余弦变换和Arnold变换的数字水印算法。

Secondly, the level of cosine transform coding some of the improvements.

其次是对层次余弦变换编码部分的改进。

Detection and analysis of power quality disturbances signal based on discrete cosine transform and wavelet transform.

基于离散余弦变换和小波变换的电能质量扰动信号检测方法。

So I choose the algorithm of data compression based on discrete cosine transform coding to compress bmp image.

因此选用了基于离散余弦变换的数据压缩的算法来进行bmp图像文件的压缩。

Methods of Discrete Cosine Transformation and Discrete Wavelet Transformation are two ways, and also make a comparison of these two ways.

采用的方法是离散余弦变换和离散小波变换两种方法，并且还对这两种方法进行了比较。

The ROM contains all the data for 180, stored in a cosine sequence in this instance.

ROM上包含所有数据为180，圣 ored在一个余弦序列，在这种情况下。

Text is a system of communication or transmission cosine roll-off characteristics of the Matlab program source code.

文中给出了通信系统中的升余弦滚降传输特性的matlab程序实现源代码。

Discrete Cosine Transform has become one of the widely used transform techniques in digital signal processing.

离散余弦定理已经成为数位讯号处理中被广泛应用的转换技巧之一。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。