fourier transform的例句大全

Instrument of Fluorescence Thermal Measurement Based on Fast Fourier Transform

基于快速傅里叶变换的荧光测温仪

Study of Thermal Perturbation of Rutin by Two Dimensional Correlation Analysis and Fourier Transform Infrared Spectroscopy

运用二维相关红外光谱分析技术研究芦丁的热微扰过程

Calculation of the thermal neutron scattering law using the method of Fourier transform

用傅立叶变换方法计算热中子散射律

Struture and morphology of hybride films are characterized by Fourier transform infrared apparatus and atomic force microscope. Thermal stability, transmittance of UV-Vis, mechanical properties and corona-resistance of polyimide hybrid films are tested.

采用红外光谱仪、原子力显微镜表征了杂化薄膜的结构和形貌，测试了杂化薄膜的热稳定性、紫外-可见光透过率、力学性能和耐电晕性。

The SiO2 holographic blazed grating with good quality and high diffraction efficiency have been developed by reactive ion beam etching and holographic grating mask made by lensless Fourier transform holography recording.

本文报道以无透镜傅里叶全息术变换记录的全息光栅作掩膜，应用反应离子束入射角控制光栅闪耀角，选择了合适刻蚀工艺参数，制得衍射效率为67%的SiO2全息闪耀光栅。

Application of Short Time Fourier Transform to LP Compressor Aerodynamic Unstability Analysis

短时傅里叶变换在压气机气动失稳分析中的应用

The concepts of infinite and finite resolutions of the SAR systems are analyzed. The finite resolution both in range and azimuth direction is incorporated via a theoretical analysis which results in a simple Fourier transform representation of an equivalent "offset" window filter.

并应用SAR图象处理，分析了SAR系统无限分辨力与有限力的概念，SAR距离及方位有限分辨力系统的频域表示为一等价的偏移窗口的二维滤波。

The wavelet analysis theory and Fourier transform, the window Fourier transform time are compared to the space-time and frequency local transformation, and thus more effective in extracting data from the signal information.

小波分析理论与傅立叶变换、窗口傅立叶变换相比是时空和频率的局域变换，因而更能有效地从信号数据中提取信息。

Discrete fourier transform ( DFT) was introduced into the spatial domain signal processing to analyse and process the uniformly spaced linear array signals, and a method to extract the DOA of signal was presented.

将离散傅里叶变换（DFT）引入到空域信号处理中，对等距线阵接收的信号进行了分析和处理，提出了一种提取信号来波方向的方法。

Fourier transform method of simulating seismic wave in Heterogeneous Elastic Media

非均匀弹性介质地震波动模拟的Fourier变换方法

Phase error correction by multiplicative method in optical fiber Fourier transform spectrometer

光纤傅里叶变换光谱仪中谱线相位误差的乘积法校正

To make a full spectrum scan to samples in 210 to 400 nm wavelength. The scan data with fourier transform was made multi variable statistical analysis through target factor analysis and least squares regression analysis.

在波长为210～400nm范围内，对样品进行全波长扫描，扫描数据经傅里叶变换，采用目标因子分析法（TFA）和最小二乘（LS）回归分析法进行多变量统计分析。

The Match Fourier Transform Processing of Reverse Order Data

数据倒序匹配付里叶变换处理

Implementation of fast algorithm of discrete fractional Fourier transform on DSP

离散分数阶傅里叶变换快速算法的DSP详细实现

Signal Transacting Based on Fourier Transform and Wavelet Transform

基于傅立叶变换和小波变换的信号处理

Analysis on main nutritional components of powdered milks via Fourier transform infrared spectroscopy

奶粉主要营养成份的傅里叶变换红外光谱法分析

Investigation on Fourier Transform Infrared Spectrum of Freshly Resected Cholangiocarcinoma Tissue

胆管癌新鲜离体组织的傅里叶变换红外光谱研究

We also design and implement the FTPA version programs for three typical parallel applications which are matrix LU decomposition, Fast Fourier Transform and bucket sort. 4.

同时，还针对矩阵LU分解、快速傅里叶变换以及桶排序等三类典型的并行应用，设计并实现了其相应的容错并行算法。

The method uses only one fast Fourier transform ( FFT) unit which significantly reduces system complexity.

该方法只需要一个快速Fourier变换（FFT）单元，降低了系统实现复杂度。

firstly, we use the radon-ambiguity transform to get the linear kernel function, which can remove the cross terms of multi-lfm signals and some part of noise in the ambiguity domain. then we use the two-dimensional fourier transform to get the new time frequency representation.

首先由Radon-Ambiguity变换设计出线状核函数，以去除噪声和多线性调频信号之间的交叉项在模糊域中的影响，再通过二维傅立叶变换得到一种新的时频表示。