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• One way of using Linear Convolution Transform (CZT) has been presented to improve the accuracy.

文中提出采用线性调频Z变换方法提高时延估计精度

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• Study two of the most important basic operations in digital image processing: 2-D Discrete Fourier Transform and 2-D Discrete Convolution Transform. Map them on RCA.

研究数字图像处理常用的算子——离散二维傅立叶变换离散二维卷积，并给出了它们RCA上的映射策略和映射过程。

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• For discrete convolution equation set, generally, people use Fourier transform method to solve. But in some positions, zero frequency will lose.

对于离散卷积方程组一般采用傅氏变换方法求解某些特定系数的情况下，频率丢失

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• In this paper, algorithms for computing 2-d circular convolution by using Fast Polynomial Transform (FPT) are reviewed and discussed, and then an improved algorithm is presented.

本文研究利用快速多项式变换(FPT)计算二维循环卷积的几种算法改进了其中的算法，编制了相应的计算机程序。

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• Mathematical representations for three kinds of reconstruction algorithms (Fresnel integral, convolution and Fourier transform) of digital hologram are deduced based on the diffraction theory.

衍射理论基础详细推导了再现算法(菲涅耳积分变换法、卷积法傅立叶变换法)数学表示

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• Both convolution Backprojection (CBP) method and direct-Fourier (DF) reconstruction method are the representative algorithms of transform methods in image reconstruction.

卷积反投影(CBP)直接傅立叶重建(DF)同图像重建变换典型算法

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• It indicates that simulation results by Z transform method are closer to analytical values than recursion convolution algorithm.

结果表明，Z变换算法模拟结果卷积分接近理论值。

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• These noises can be considered to be composed through convolution of many kinds of excitation source and the transform function of oceanic acoustic channel.

辐射噪声视为周期性激励信道传递函数卷积构成

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• To present a arithmetic based on Wavelet Transform and Convolution Morphology for images de-noising.

提出的卷积形态变换是一种新的形态变换形式，具有线性卷积的结构和形态变换的性质。

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• To present a arithmetic based on Wavelet Transform and Convolution Morphology for images de-noising.

提出的卷积形态变换是一种新的形态变换形式，具有线性卷积的结构和形态变换的性质。

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