fourier cosine transform

基本解釋

In this paper, it is demonstrated that the Cosine Fourier transform method is effective at researching the distribution of atomic velocity.
結(jié)合光抽運(yùn)銫束頻標(biāo)的具體結(jié)構(gòu)，論證了用余弦傅里葉逆變換的方法推導(dǎo)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.
在眾多語(yǔ)音信息隱藏算法中，挑選出一種幅度量化的信息嵌入方案，分別在離散余弦和小波變換域上，通過(guò)對(duì)變換域系數(shù)的幅度量化來(lái)隱藏信息；
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，傳統(tǒng)的正交頻分復(fù)用技術(shù)系統(tǒng)采用的是基于傅里葉變換的復(fù)指數(shù)子載波，實(shí)質(zhì)上是由一系列正交的余弦函數(shù)基組成。