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gaborfilter
- 高斯函数能构成一个在频域具有平滑性能的低通滤波器。可以通过在频域做乘积来实现高斯滤波。-Constitute a Gaussian function to the frequency domain with a smooth performance of the low-pass filter. Can be done in the frequency domain Gaussian filter to achieve the product.
FIRshiyan
- 利用双线性变换设计IIR滤波器（只介绍巴特沃斯数字低通滤波器的设计），首先要设计出满足指标要求的模拟滤波器的传递函数 ，然后由 通过双线性变换可得所要设计的IIR滤波器的系统函数 。-IIR filter design using bilinear transform (only introduced the Butterworth digital low-pass filter design), first designed to meet the index requirements of
fir
- 用各种窗函数设计FIR数字滤波器。 分别用矩形窗和Hamming窗设计线性相位FIR低通滤波器。要求通带截止频率，单位脉冲响应h(n)的长度N=21，绘出h(n)及其幅频响应特性曲线。 -Window function with a variety of FIR digital filter design. Were rectangular window and Hamming window design of linear phase FIR low-pass filter. Req
Gaussian_Lowpass_Filter
- 二阶高斯低通滤波器，实现对图像的平滑处理，-Gaussian second-order low-pass filter, to achieve the smoothing of images,
chap04
- ex4_2 用MATLAB作巴特沃斯低通滤波器设计 ex4_3 用MATLAB作切比雪夫-1型低通滤波器设计 ex4_4 切比雪夫-2型低通滤波器设计 ex4_5 椭圆型低通滤波器设计 ex4_6 传递函数的模拟滤波器数字化 ex4_7 脉冲不变法简单实例 ex4_8 脉冲不变法巴特沃思低通滤波器设计 -ex4_2 using MATLAB for Butterworth low-pass filter design using MATLAB for ex4_3 Ch
firdesign
- 设计一个数字低通滤波器，来近似一个理想数字滤波器-Design a digital low-pass filter to approximate an ideal digital filter
Lowpassfilter
- 低通滤波器的仿真 GUI窗口实现 通过窗口中频率变换，得到输出波形-Low-pass filter simulation GUI window to achieve through the window frequency conversion, the output waveform
filter
- ％ y=filter(sig,fmin,fmax) ％ 对信号进行理想滤波，可完成低通，带通 ％ sig为被滤波信号 ％ fmin为下限频率，当fmin为0时为低通滤波器，当fmin>0时，为带通滤波器 ％ fmax为上限频率，fmax>fmin ％ fs为信号的采样频率 ％ y为经过滤波后的信号 -％ Y = filter (sig, fmin, fmax)％ of the ideal signal filtering, to be com
code
- 随机产生长度大于1000的‘0’、‘1’信号序列，对其进行BPSK，QPSK，16QAM调制，给出： 1）低通滤波器后的波形（只画10个周期）； 2）信号眼图，对其进行讨论（画出5个信号周期）； 3）信号带内、带外功率谱密度（低通滤波器参数自定），并对其进行讨论。 -Generated OVSF code
FIRdesign
- FIR低通滤波器设计,表达得还比较详细，可以借鉴参考-FIR low-pass filter design, is also expressed in more detail, you can learn from the reference
ex4_3
- 用MATLAB作切比雪夫-1型低通滤波器设计-Using MATLAB for-1 Chebyshev-type low-pass filter design
ex4_5
- 基于matlab的椭圆型低通滤波器设计程序-Based on matlab elliptic low-pass filter design
chengxu
- 设计一个数字FIR低通滤波器，其技术指标如下： Wp=0.2pi Rp=0.25Db Ws=0.3pi As=50db 试写出MATLAB设计的源程序。-Design a digital FIR low-pass filter, the technical indicators are as follows: Wp = 0.2pi Rp = 0.25Db Ws = 0.3pi As = 50db test designed MATLAB source code to write.
ladder_pass
- matlab编写的梯形低通滤波器对与图像的影响，画图比较滤波前后的对比图。-the preparation of matlab trapezoidal low-pass filter and image of the effect of drawing the contrast to compare before and after filtering Fig.
IIRditonh
- 本实验首先按照给定技术指标采用模拟低通滤波器（巴特沃思低通滤波器）去逼近理想模拟低通滤波器，然后通过双线性变换法对模拟滤波器进行数字化，得到数字滤波器。-In this study, first of all technical specifications in accordance with a given analog low-pass filter (Butterworth low-pass filter) to approximate the ideal analog low-pass
ex5
- FIR 及 IIR低通滤波器的设计以及 正弦信号滤波前后的频谱分析 （不同窗函数截断）-FIR and IIR filter design and low-pass filter before and after sinusoidal signal spectrum analysis (different window function truncated)
FIR-matlab
- 此程序是用matlab编写的FIR低通滤波器，为了区别于别人上传的都是调用了滤波器的现成函数filter，我自己用双重for循环编写了整个滤波过程，仿真已经通过-This program is written in matlab lowpass FIR filter, in order to distinguish it from other people upload are ready-made function of the filter is called filter, for my
SpatialFrequencyDomainImageEnhancement
- 灰度变换增强程序 1.灰度变换增强程序 2.直方图灰度变换 3.直方图均衡化程序举例 4.直方图规定化程序举例 1.线性平滑滤波 2.中值滤波器 3. 4邻域8邻域平均滤波算法 1.低通滤波器 2.布特沃斯低通滤波器图像实例-Enhanced gray-scale transformation procedure 1. Enhanced gray-scale transformation procedure 2. Histogram gray-sc
FIR-lowpass-design
- FIR 低通滤波器程序，matlab 实现-FIR filter using matlab
高低通滤波器
- 文档中包含巴特沃斯低通滤波器的平滑作用代码 和图像处理结果，对于图像处理是个很好的matla代码