Fourier variable

用法例句

A quantum Fourier transform(QFT) is used.

本文利用量子傅里叶变换提出了一个模式特征提取算法,它借助量子并行特性只需进行一次量子傅里叶变换就可以提取模式特征,所以它提取模式特征的速度比传统特征提取算法有了指数级的提高。

Performance analysis of filtering algorithms based on Fourier transform;

常见傅里叶变换的滤波性能分析

Transient harmonic analysis algorithm using wavelet transform and Fourier transform;

小波变换与傅里叶变换相结合的暂态谐波分析方法

A palmprint recognition system using two-stage match method based on Fourier transform;

一种基于傅里叶变换的双级匹配掌纹识别系统

A Study on Fourier Transformation Demodulating Theory of the Gap of Optical Fiber Fabry-Perot Sensor;

光纤法布里-珀罗传感器腔长的傅里叶变换解调原理研究

A three-dimensional Fourier transformation migration method of magnetotelluric data and its application;

大地电磁资料三维傅里叶变换偏移方法及其应用

The principle for harmonic detecting and analyzing based on Fourier transformation was focused on.

重点阐述了采用傅里叶变换的方法对谐波进行检测和分析的原理,对虚拟仪器技术的特点和优点并与传统仪器分析技术进行了初步对比。

FFT-based orientation identification algorithm in fira;

基于傅里叶变换的Fira机器人朝向角辨识算法

The resulting binary image was transformed using FFT method.

用适当方法对纱线图像作二值化处理,提取表面纤维图像,并根据图像分析技术中的傅里叶变换原理,对有关像素坐标进行线性回归确定纱线捻度,与手工测试相比,用图像处理测试纱线捻度的方法是可靠、准确、快捷的。

The proposed method overcomes the shortcomings of FFT-based method such as sensitivity to noise and inaccurate performance in non-stationary environments.

针对基于傅里叶变换(FFT)的谐波分析方法易受噪声干扰和对暂态谐波处理精度差的缺点,提出了一种基于小波包变换的谐波分析算法。

Fourier transform infrared spectrometer

傅里叶变换红外光谱仪

Fourier transform Ramman spectroscopy

傅里叶变换拉曼光谱学

quasi fourier transform hologram

准傅里叶变换全息图

fast-Fourier-transform analyzer

快速傅里叶变换分析仪

Fourier transform AC voltammetry

傅里叶变换交流伏安法

Fourier transform nuclear magnetic resonance

傅里叶变换核磁共振

Fourier transform infrared spectroscopy

傅里叶变换红外分光镜

Investigation of disease tobacco leaves by Fourier transform infrared spectroscopy

病害烟叶的傅里叶变换红外光谱研究

FTIS(Fourier Transform Infrared Spectroscopy)

傅里叶变换红外线分光光谱分析

convolution with FFT

利用快速傅里叶变换的卷积

lensless Fourier transform hologram

无透镜傅里叶变换全息图

twiddle factor FFT algorithm

旋转因子快速傅里叶变换算法

reduced DFT algorithm

简化离散傅里叶变换算法

pulse Fourier transform NMR spectroscope

脉冲傅里叶变换核磁共振波谱仪

Fourier transform nuclear magnetic resonance spectrometer

傅里叶变换核磁共振波谱仪

Fourier transform molecular absorption spectrometer

傅里叶变换分子吸收光谱仪

Fourier transform infrared spectrophotometer

傅里叶变换红外分光光度计

fast-Fourier-transform spectrum analyzer

快速傅里叶变换频谱分析仪