Fourier analysis intow dimensions

A novel method about two dimension Fourier frequency analysis is proposed in order to obtain high radial rotate precision.

为了改善高速磁浮主轴的径向回转精度 ,该文提出了二维傅里叶频率分析的新方法。

A Fourier analysis method for discontinuous time series for pressure;

时间不连续压力序列的傅立叶分析方法

The screening and scanning process was explained by Fourier analysis.

运用傅立叶分析的方法说明了加网和扫描的过程,对扫描半色调印刷品时所产生的龟纹进行了理论的解释,并提出了抑制此类龟纹的方法。

The determined or random component of daily global radiation is obtained by Fourier analysis at first, and then stochastic component is formed by subtracting the periodic component from original data.

首先采用傅立叶分析得到了日辐射的确定性部分。

2-D Fourier Phrase Analysis on Target Cloud and a Study on Its Characteristics;

示踪云的二维傅立叶相位分析及其特征研究

Analysis of Nearfield for Photomask Based on Extended Fourier Diffraction Theory and Rigorous Coupled-Wave Method;

光刻仿真中二维掩模近场的扩展傅立叶分析和严格耦合波分析

Applications of Fourier Phase Analysis Technique to the Computation of Radar Cloud Echo Motion Vectors;

傅立叶相位技术在雷达回波移动矢量特征分析中的应用研究

Image Encryption Based on Phase Encoding and Fractional Fourier Transform

基于相位编码及分数傅立叶变换的光学加密

A FAST FOURIER TRANSFORMATION BASED SECOND ORDER RELIABILITY METHOD

基于快速傅立叶变换的二阶可靠度分析方法

THE STUDY OF IMPLEMENTING THE TWO RAND PHASEENCODING TECHNIQUE BASED ON DISSYMMETRICAL FRACTIONAL FOURIER TRANSFORM TO ENCRYPT AND DECRYPT TWO-DIMENSIONAL BAR CODE

基于非对称离散分数傅里叶变换双相位编码技术对二维条码图像加、解密的研究

Analysis and Simulation on Phase Closure of Fourier Telescopy

傅里叶望远术中的相位闭合分析及其仿真

The suggested method avoids the phase unwrapped process based on FFT and overcomes the difficulties using iterative methods.

该方法克服了傅立叶分析方法的相位去包裹过程以及迭代算法计算量大的缺点。

A method for the analysis of measured imperfections utilizing the doubleFourier decomposition technique is also proposed.

文中还提出了利用二重傅立叶分解技术分析实测缺陷的方法。

A phase-key type Fourier CGH digital watermarking method

相位密钥型傅立叶计算全息数字水印方法

Joint Extended Fractional Fourier Transform Correlator;

联合广义分数傅立叶变换相关器的研究

Mathematics Model for Quantitative Analysis of Volatile Matter in Coal by FT-NIR Spectroscopy

傅立叶变换近红外光谱定量分析煤炭挥发分

Group-theoretic Approach to the Theory of Crossed Gratings and its Application to the Fourier Modal Method;

群论在二维光栅理论及其傅立叶模态法中的应用

Two-dimensional Assembly of Silver Nanoparticles and Its Application in Surface-enhanced Raman Spectroscopy;

纳米银粒子的二维组装和傅立叶变换拉曼光谱研究

Modulation Pattern Recognition of RF Signals Based on Two-Dimension Dispersed Fourier Transform

基于二维离散傅立叶变换的射频信号调制类型识别

MEASUREMENT OF THE SPUR GEAR PARAMETERS BASED ON FOURIER ANALYSIS

基于傅立叶分析的直齿圆柱齿轮参数测量

Sensitive Voice Signal Abstraction Based on FT Short Time analysis

基于傅立叶短时分析的敏感语音信号提取

A STUDY ON INFRARED SPECTRA OF SOME AM INO RESIN PAINTS;

氨基树脂漆的傅立叶变换红外光谱分析