fourier cosine transform

基本解释

In this paper, it is demonstrated that the Cosine Fourier transform method is effective at researching the distribution of atomic velocity.
结合光抽运铯束频标的具体结构，论证了用余弦傅里叶逆变换的方法推导原子速度分布的可行性；
This paper selects the algorithm by quantifying the amplitude of the transform domain coefficient and uses this algorithm in the discrete Fourier domain and the discrete cosine domain.
在众多语音信息隐藏算法中，挑选出一种幅度量化的信息嵌入方案，分别在离散余弦和小波变换域上，通过对变换域系数的幅度量化来隐藏信息；
The traditional OFDM technology adopting complex exponential sub carrier wave base on Fourier transform, which is makeup by many orthogonal cosine function group.
但是，传统的正交频分复用技术系统采用的是基于傅里叶变换的复指数子载波，实质上是由一系列正交的余弦函数基组成。