| 离散余弦变换与离散傅里叶变换之间的关系 |
| |
| 引用本文： | 刘塞立.离散余弦变换与离散傅里叶变换之间的关系[J].西安石油大学学报(自然科学版),1995(1). |
| |
| 作者姓名： | 刘塞立 |
| |
| 作者单位： | 西安石油学院石油勘探仪器及自动化系 |
| |
| 摘 要： | 从理论上说明离散余弦变换（ＤＣＴ）和离散傅里对变换（ＤＦＴ）之间的连系与差别．用协方差的相关性说明ＤＣＴ优于ＤＦＴ．
|
| 关 键 词： | 余弦变换，傅里叶交换，正支交换，数据压缩，信号处理 |
The Relation Between Discrete Cosine Transform and Discrete Fourier Transform |
| |
| Liu Saili.The Relation Between Discrete Cosine Transform and Discrete Fourier Transform[J].Journal of Xian Shiyou University,1995(1). |
| |
| Authors: | Liu Saili |
| |
| Abstract: | he relation and difference between discrete cosine transform (DCT) and discrete Fourier transform (DFT) were studied theoretically. According to the interrelation of the covariance of data, DCT is superior to DFT. |
| |
| Keywords: | cosine transform Fourier transform orthogonal transform data compression signal process |
| 本文献已被 CNKI 等数据库收录！ |
