A method of using fast Fourier transformation (FFT) to calculate the frequency characteristics of discrete mathematical model is introduced.

介绍了利用快速富里叶变换(FFT)计算离散数学模型频率特性的方法。

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This paper proposes an efficient VLSI method for realizing Discrete Wavelet Transformation for lossless compression in the upcoming JPEG2000standard.

文章提出了一种基于JPEG2000标准中无损压缩滤波器组的VLSI实现方法。

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A discrete sampling method in optical transformation has been suggested in this article.

本文研究了光学变换中的离散取样问题。

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