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matlabtuxiangchulidaima
- P0301：数字图像矩阵数据的显示及其傅立叶变换 P0302：二维离散余弦变换的图像压缩 P0303：采用灰度变换的方法增强图像的对比度 P0304：直方图均匀化 P0305：模拟图像受高斯白噪声和椒盐噪声的影响 P0306：采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波 P0307：采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波 P0308：图像的自适应魏纳滤波 P0309：运
zsyxl
- MATLAB源码，P0301：数字图像矩阵数据的显示及其傅立叶变换 P0302：二维离散余弦变换的图像压缩 P0303：采用灰度变换的方法增强图像的对比度 P0304：直方图均匀化 P0305：模拟图像受高斯白噪声和椒盐噪声的影响 P0306：采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波 P0307：采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波 P0308：图像的自适应魏纳滤波 P0309：运用5种不同的梯度增强法进行图像锐化 P0310：图像的高通滤波
2411
- 利用matlab实现数字滤波的一个小实验,程序利用低通滤波器实现将信号.-using Matlab digital filter, a small experimental procedures used to achieve low-pass filter the signal.
trial4
- 求出laguerre滤波器的分子分母系数，绘出其幅频响应图并与FIR滤波器作比较。该程序为19阶Laguerre低通滤波器和22阶带通滤波器-obtained laguerre filter coefficient of molecular denominator, chart its amplitude frequency response plans with the FIR filter for comparison. The procedure for the 19-Laguerre l
IIR-butter_LPF
- IIR-butter低通滤波器设计，数字信号处理专业学生的课程设计。-IIR-butter low-pass filter design, digital signal processing professional students in curriculum design.
chongzifir
- 这是用三角窗设计的FIR低通滤波器，来消除音乐信号的噪声-This is the triangular window design FIR low-pass filter to eliminate the noise signal Music
actionlogic
- 基于protel工作环境下的 七阶低通滤波器仿真实例。-protel work environment based on the seven-order low-pass filter simulation example.
lowpassfilter
- 一个低通滤波的例子，使用的是buterfly，低通滤波器，非常适合初学matlab的人学习-a low-pass filter example, the use of the buterfly, low-pass filter, very suitable for beginners to learn the Matlab
1145275623
- 线性低通滤波器的MATLAB仿真程序 -linear low-pass filter MATLAB simulation program linear low-pass filter MATLAB simulation program Linear low-pass filter MATLAB simulation program linear low-pass filter MATLAB simulation program
IIR(LP)
- 无限脉冲数字滤波器的设计系列。本程序为低通滤波器。欢迎切磋。-unlimited Pulse Digital Filter Design Series. The procedures for the low-pass filter. Consultations welcome.
matlabbuttfilter
- 利用Matlab工具对巴特沃斯模拟低通滤波器的设计结果进行了验证，Matlab程序见附页。-Matlab simulation tools Butterworth low-pass filter design results were verified, Matlab program Annex.
Butterworth_LPF
- Matlab入门级图像处理程序：利用巴特沃斯（Butterworth）低通滤波器对受噪声干扰的图像进行平滑处理-Matlab entry-level image processing procedures : use Butterworth (Butterworth) low-pass filter to noise interference by the image smoothing
filter-from-mat-prac
- 低通滤波器 提供1种滤波器，oneself设计的need the guidance thanks!-low-pass filter with a filter types. oneself design need the guidance thanks!
IdealLowPassFilterusingDFT
- 采用离散傅立叶变换实现的低通滤波器，希望对你们有用，MATLAB实现-discrete Fourier transform of the low-pass filter, and I hope to you useful MATLAB
IIR_Chebyshev1_LP
- 自己编写的ChebyshevI型滤波器的源程序.对于毕业设计的同学,很有参考价值.它是ChebyshevI型低通滤波器-their ChebyshevI prepared by the filter type of the source. Design for graduate students, great reference value. It is ChebyshevI-type low-pass filter
IIR_Chebyshev2_LP
- 自己编写的ChebyshevII型滤波器的源程序.对于毕业设计的同学,很有参考价值.它是ChebyshevII型低通滤波器-their ChebyshevII prepared by the filter type of the source. Design for graduate students, great reference value. It is ChebyshevII-type low-pass filter
iir_Butterworth_low
- 数字滤波器的iir的Butterworth低通滤波器-Digital Filter iir the Butterworth low-pass filter
iir_chebyshev_I_low
- 数字滤波器的iir的chebyshev低通滤波器-Digital Filter iir chebyshev the low-pass filter
lowpassfilt
- 基于频率域的低通滤波器 主要有理想，巴特沃思，高斯等三种-based on frequency domain of the low-pass filter main ideals, Butterworth, including three Gaussian
DFT进行频谱分析时的三种现象
- DFT进行频谱分析时的三种现象 1、混叠：对连续信号采样，要求连续信号是带限的，采样频率要足够高。Fs应满足Nyquist采样定理才不产生混叠。 采样前加低通滤波器防混叠 2、频谱泄漏：DFT对时域信号进行了截断（相当于采样信号乘了一个窗函数），时域的乘积相当于频域卷积，改变了原信号频谱。 改用其他窗函数（非矩形）改善泄漏。 3、栅栏现象：DFT 只给出了频谱在采样点上的取值，采样点间的频谱内容丢失。-DFT spectrum analysis of a