搜索资源列表
band-pass-filter 线性相位FIR带通滤波器
- 用MATLAB函数fir1设计一个具有如下指标的线性相位FIR带通滤波器：阻带截止频率为0.55pi 和0.85pi，通带截止频率为0.65pi和 0.75pi，最大通带衰减为0.2dB，最小阻带衰减为42dB。分别利用下面的窗函数来设计滤波器：汉宁窗、汉明窗、布莱克曼窗。对于每种情况，给出其冲激响应系数并画出设计的滤波器的幅频响应。-Designed with a MATLAB function with the following indicators fir1 linear phase F
window_weighted
- 加权窗函数，包括海明窗，海宁窗，chebshev窗，cos窗-weighted window function,including hanning,hamming,chebshev,cos
gonglvpu
- 功率谱：直接法，间接法，加窗（hamming ,hanning, 矩形）-Power spectrum: the direct method, indirect method, window (hamming, hanning, rectangle)
Digital-filters
- A filter is a system which modifies some special frequencies reletive to the others. As a result i s applicable in some applications when it is necessary to have different gains & phase shifts at different frequencies to perform specific filtering ta
matlab_fir
- 用窗函数法设计FIR数字滤波器。包括：1.矩形窗2.三角窗3.汉宁窗4.海明窗5.布拉克曼窗6.凯泽窗等-FIR digital filter design with a window function method. Including: a rectangular window. Triangular window. Hanning Hamming window, Blackman window and Kaiser window
FIRlow
- 用窗函数法设计FIR低通滤波器，包括汉明窗，汉宁窗，布莱克曼窗-Window function design FIR low-pass filter, including Hamming window, Hanning, Blackman window
chuang_han_shu
- 矩形窗、汉宁窗、汉明窗、布莱克曼窗的时域波形、幅频特性的matlab实现。-Rectangular window, Hanning, Hamming window, Blackman window time-domain waveform, amplitude and frequency characteristics matlab.
gaotonglvbo
- 本件包含四种二维高通滤波器，他们分别是基于汉宁窗，布莱克曼，凯泽窗和巴特利特窗设计的二维高通滤波器。-This piece contains four two-dimensional high-pass filter, they are based on Hanning, Blackman, Kaiser window design windows and Bartlett two-dimensional high-pass filter.
chuanghanshu
- 信号被窗函数截断，并做频谱分析，比较汉宁窗、三角窗等的特点-Window function signal is cut off, and do spectral analysis, comparing Hanning, triangular windows and other characteristics
FIR_Filter_HanningWindow
- In this File, desigining of Hanning Window based FIR filter is given.
Bearing_FFT
- Bearing FFT using Hanning Window
2
- 基于交叉累计剩余熵的图像配准中插值方法的改进 交叉累计剩余熵（CCRE）比传统互信息在配准强噪声图像时更具优势,但采用部分体积（PV）插值的CCRE在网格点容易产生局部极值,不利于变换参数的优化。针对该问题,研究基于3阶B样条函数的PV插值（BPV）、哈宁窗sinc函数的PV插值（HPV）和Blackman-Harris窗sinc函数的PV插值（BHPV）方法在CCRE中的应用,提出一种新的插值方法。该方法采用灵活的邻域中心,将插值点对联合直方图贡献的权重分散到临近的9个点上,并使用高
Copy_of_HHT0
- 正弦信号加汉宁窗调制，快速傅里叶变换，生成激励信号(Sinusoidal signal modulation Hanning window)
ellipfilter
- 利用椭圆低通滤波器对信号进行滤波，并利用加汉宁窗的插值方法对信号进行了频谱分析(To filter the signal by using the elliptic low pass filter, and the signal spectrum analysis using interpolation method and Hanning window)
chuang
- 线列阵加窗波束形成。（矩形窗、hamming窗、hanning窗）(Windowed linear array beamforming. (rectangular window, Hamming window, Hanning window))
用汉宁窗函数 的频谱分析源代码
- 减少频谱泄漏，通常在采样后对信号加窗。在电机故障诊断领域，需同时考虑频率分辨率和频谱泄漏。应用最广泛的窗函数是汉宁窗。(To reduce the spectrum leakage, a window is usually added to the signal after sampling. In the field of motor fault diagnosis, frequency resolution and spectrum leakage should be considered
qsm_swi_2d.m
- 用于进行swi处理，二维hanning窗滤波，最小密度投影(swi processing, 2d-hanning window filter, minimum intensity projection)
flostft
- 构造一个跳频信号使之产生稳定的时频波形，并用汉宁窗去 进行时频分析(To construct a frequency hopping signal that is generated when the frequency waveform is stable, and with a Hanning window to time-frequency analysis)
hann
- 能够实现信号加汉宁窗，可以很好地克服频谱泄露(The signal Gahanning window is able to overcome spectrum leakage.)
示波器波形分析
- 首先读取csv文件（来自示波器或其他来源），csv是字符格式的文本文件。然后，对采样波形进行谐波分析，将输入信号分解成：A0直流分量，A1基频分量，A22次谐波，A33次谐波……N噪声。采用的是加hanning窗的FFT算法。最后，求取 总谐波失真率THD（%）(First read the CSV file, and CSV is a character format text file. Then, the input signal is decomposed into A0 DC comp