窗函数

窗函数对谱分析精度的影响

The influence of window - function on the spectrum analysis precision

首先在傅里叶变换的基础上引入高斯窗函数提出了窗口傅里叶变换条纹分析法，进而在高斯窗函数中引入伸缩变换提出伸缩窗口傅里叶变换分析。

Firstly , the Gauss window is introduced to Fourier transform , i.e. Gabor transform , and applied to the fringe analysis . By introducing dilating transformation to the Gauss window function on the space scale , dilating Gabor transform is got .

基于特殊窗函数的局部CT图像重建算法及其分析

Local Reconstruction Algorithm Based on the Special Filter and Its Analysis

MATLAB与窗函数法结合设计FIR数字滤波器的研究

Research on design FIR digital filter using MATLAB and window function method

在MATLAB环境下分别使用窗函数法、等波纹法设计了滤波器并对其进行了仿真。

The filter is designed and simulated by window function and equivalent ripple manner on MATLAB .

遗传算法在FIR窗函数设计中的应用

The application of the hereditary algorithm in the FIR window-function design

基于免疫算法和窗函数的FIR滤波器设计

Design approach of FIR filter based on immune algorithm and Window function

窗函数法设计FIR数字滤波器的软件实现及设计原则

Designed principle and program of FIR digital filter with windows function method

浅谈学习窗函数法设计FIR数字滤波器体会

The Experience of Learning Window Function Designing FIR Digital Filter

掌握用上述窗函数法设计FIR数字滤波器的原理和方法。

Master window function with the FIR digital filter design theory and methods .

基于窗函数设计的FIR滤波器的带限信道仿真

Simulation of band-limited channel with FIR filter based on the design of window function

实值离散Gabor变换窗函数的快速求解方法

Fast computational method for basic window functions of real-valued discrete Gabor transforms

EMD端点效应的评价指标及抑制端点效应的窗函数法

Evaluation of the EMD end effect and its window based method

Matlab仿真结果表明：基于Hamming窗函数设计的FIR滤波器仿真带限通信信道，效果较好。

Simulation with Matlab indicates that the FIR filter based on Hamming window is more effective .

实值离散GABOR变换及其最优双正交分析窗函数特性

Real Gabor transform and its characterization of the optimal biorthogonal analysis window functions

实变量Compact2DFDTD法及窗函数分析传输线特性

Analysis of Transmission Lines Using Real Variable Compact 2D FDTD Method Combined with the Window Functions

提出一种基于窗函数法设计FIR数字滤波器的优化算法。

A novel iterative algorithm for optimization design of non-frequency-selective FIR digital filters is proposed based on the windowing method .

利用Chebyshev窗函数获得恒定束宽加权矩阵的数值算法

Numerical Algorithm to Calculate Weighting Matrix of Constant Beamwidth Array Using Chebyshev Window

采用窗函数法和等波纹切比雪夫法设计了FIR型Hilbert数字滤波器；

The FIR Hilbert digital filter is designed by using the window function method and the ripple Chebyshev method .

本文运用Matlab工具，对修正周期图法功率谱估计进行了仿真与性能分析，并重点分析了窗函数对谱估计的影响，指出了他的优缺点。

Using Matlab , this paper simulates and analyzes this method , primarily analyzes the influence of window function . Points out its virtue and defect .

在分析了已有各种Doppler估计算法的基础上，根据功率谱估计经典算法&窗函数法的原理，直接利用接收到的频域中连续导频信号，进行最大Doppler频移估计。

Based on the analysis of some algorithms for the Doppler frequency estimation , a new method for acquiring the maximum Doppler frequency information was proposed .

∑Δ调制器输出码流的频谱中含有大量高频噪声，在对其进行FFT谱分析时，需要加窗函数抑制这些高频噪声对基带噪底的泄漏。

The output spectrum of Sigma-Delta Modulator contains lots of high frequency noise , which will leak into the base band .

窗函数的应用能够减轻系统ICI的影响。

The application of window functions can reduce the impact of the ICI .

关于Kaiser时窗函数的谱特性分桁

Analysis On the Spectrum Characteristics of the Kaiser Window Function

采用窗函数法、频率抽样法和切比雪夫最佳一致逼近法，通过调用Matlab信号处理工具箱中的函数设计低通数字滤波器。

By using MATLAB signal and using window method , frequency sampling and Chebyshev approximation the design of low pass digital filter in the toolbox have been processed .

针对航空重力测量数据事后处理的特点，基于窗函数法设计了FIR数字滤波器。

Considering the characteristics of the processing of aerial gravimetry data , a FIR digital filter based on the window function is designed .

混合窗函数和子带频谱质心在MFCC特征提取过程中的应用

Using mixed window function and subband spectrum centroid in MFCC feature extraction process

用窗函数法设计FIR数字滤波器，能熟悉矩形窗、海宁窗、汉明窗和布莱克曼窗。

FIR window design with a digital filter function can be familiar with the rectangular window , Haining window , Hamming window and Blackman window .

短时傅里叶变换（short-timeFouriertransform，STFT）是一种常见的时频分析工具，窗函数的选择是其分析的前提。

Short-time Fourier transform is a useful tool in time-frequency analysis , and the choice of window function is the precondition for their analysis .

阐述了有限冲击响应（FIR）低通滤波器的窗函数设计方法，利用并行分布式算法在现场可编程门阵列上实现了32阶FIR低通滤波器。

Windows function design method of FIR digital filter is introduced , and the parallel distributed arithmetic is used to implement a32 orders FIR digital filter .