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可以用的滤波器
- 一个无源二阶低通滤波器，改变电阻与电容值可以改变截止频率，已试过，好用。,A passive second-order low-pass filter and change the resistance and capacitance values can change the cut-off frequency has been tried, easy to use.
tuxiangruihua
- 图像锐化，包含拉普拉斯锐化法 4邻域模板 巴特沃斯高通滤波器锐化， 阶数M=3 截断频率D0=40，梯度算子锐化 sobel和prewi-Image sharpening, including Laplacian sharpening four neighborhood template Butterworth high-pass filter sharpening, the order M = 3 cut off frequency D0 = 40, sharpening sobel gr
图4-2-6矩形截断低通滤波器的增益特性
- 用matlab观察矩形截断低通滤波器的增益特性-using Matlab observation rectangular cut-off low-pass filter characteristic Gain
iirh
- 利用IIR滤波器设计一个低通滤波器，能够分析到电力系统中的三次谐波，要求满足如下指标：截止频率150HZ，阻带衰减≥30db-IIR filter design using a low-pass filter, to analyze the power system in the third harmonic, the requirements to meet the following indicators: cut-off frequency 150HZ, stopband attenuat
firh
- 利用FIR滤波器设计一个低通滤波器，能够分析到电力系统中的三次谐波，要求满足如下指标：截止频率150HZ，阻带衰减≥30db-FIR filter design using a low-pass filter, to analyze the power system in the third harmonic, the requirements to meet the following indicators: cut-off frequency 150HZ, stopband attenuat
lowpass
- 基于matlab的，不同截断半径时低通滤波滤波,及傅立叶反变换再现图像，简单易学，希望对你有帮助。-Matlab based on different cut-off low-pass filter at a radius of filtering, and Fourier Transform reproduce images, easy to learn, and they hope to help you.
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- IIR数字滤波器的设计，抽样频率为2*pi*1.5*10^4,通带截止频率为2*pi*1.5*10^3-IIR digital filter design, sampling frequency of 2* pi* 1.5* 10 ^ 4, pass-band cut-off frequency of 2* pi* 1.5* 10 ^ 3
dft_hp_filt
- 用于频域滤波的m函数，接受输入一幅图像和一个滤波函数，输出经滤波和剪切后的图像。还有一个高通滤波函数。-For frequency domain filtering m function, to accept the importation of an image and a filter function, the output cut by the filtering and image. There is also a high-pass filtering function.
Imagelow-passfilter
- 低通滤波容许低频信号通过, 但减弱[或减少]频率高于截止频率的信号的通过。对于不同滤波器而言,每个频率的信号的减弱程度不同。-Low-pass filter allows low-frequency signals, but weakened [or decrease] the frequency higher than the cut-off frequency of the signal through. For different filter for each frequency of
dsp6FIR
- 滤波器采样频率为600Hz ，截止频率100Hz 的10阶低通滤波器。并用汇编语言设计一个实现上面要求的FIR 滤波器 (2)要求设计滤波器采样频率为8000Hz ，截止频率500Hz 的40阶低通滤波器。用C语言设计一个实现上面要求的FIR 滤波器 -Filter sampling frequency of 600Hz, the 10 cut-off frequency 100Hz-order low-pass filter. Design and assembly language
low_pass65
- matlab编写截断半径65时低通滤波器对与图像的影响，画图比较滤波前后的对比图。-matlab preparation of cut-off radius of 65 when the low-pass filter and image of the effect of drawing the contrast to compare before and after filtering Fig.
digitalfilter_in_C_language
- We have to design a second order Butterworth filter having a sampling frequency of 20 kHz and -3db cut of frequency at 2 kHz in visual C. Only low frequency signals can pass through this filter and the signals having the frequency higher than frequen
C2956
- 电吉他失真音效器 这个项目是一个个性化的失真踏板，提供更大的控制权的音乐。不同于商业踏板，这是严格的模拟，这个单位特点的数字能力，提供了一个计时器来控制低通滤波器截止频率以及存储的各种设置。中心的设计是一种CY8C27443微控制器。-Electric Guitar Distortion Unit Designed by a musician, this project is a personalized distortion pedal that provides greater
filter
- 巴特沃斯低通滤波器的MFC程序，FS是采样频率，fp是截止频率，大家-Butterworth low-pass filter MFC process, FS is the sampling frequency, fp is the cut-off frequency, we take a look at
lvboqisheji
- 设计一个IIR数字低通滤波器， 逼近一组模拟滤波器的指标参数（通带截止频率Wp=2*pi*2000rad/s,阻带边界频率Ws=2*pi*3000rad/s,通带波纹 Rp=3db, 阻带衰减Rs=15db, 采样频率f=10000Hz）； 分别用脉冲响应不变法和双线性变换法实现设计，列出传递函数并描绘模拟和数字滤波器的幅频和相频响应曲线。用上述设计滤波器完成几组给定信号的滤波，证明滤波器的有效性和滤波范围限制.-Design a IIR digital low-pass filter, app
IIRfilterdesign
- IIR滤波器设计 设计一个巴特沃思低通滤波器，其技术指标为：3dB带宽为，阻带截止频率为，阻带衰减大于30dB，采样间隔T=10us。-IIR filter design to design a Butterworth low-pass filter, its technical indicators: 3dB bandwidth, stopband cut-off frequency, stop-band attenuation greater than 30dB, sampling in
highpassfilter
- 问题是高切滤波或低通滤波，如果采用硬件实现，速度最快，但是现在计算机速度这么快，硬件实现起来相对麻烦，成本高，且灵活性性差， 软件实现相对方便多了，具体体的操作步骤如下（频率域） 先对数据作正FFT,再对变换后的频域数据乘以滤波因子，滤波因子的选择有理想高通、巴特沃斯高通、指数高通、梯形高通，一般选择梯形高通滤波因子，具体原因你可从数字信号处理的书上找到，，接下来将数据再作逆FFT就是了，还有就是在空间域作滤波，这里有一个带同滤波的程序的程序，你可参考一下，（将低切参数设为零就是
fir-example-8bit
- Filter type: Low Pass Filter model: Butterworth Filter order: 2 Sampling Frequency: 1000 Hz Cut Frequency: 100.000000 Hz Coefficents Quantization: 8-bit
IIR-filter
- 仿真巴特沃思、切比雪夫模拟低通滤波器的设计方法；利用模拟域频率变换设计模拟高通、带通、带阻滤波器的方法。-Simulation Butterworth, cut analog design method Chebyshev low-pass filter using an analog frequency domain converting analog design high pass, band pass, band stop filter method.
filter
- 低通滤波巴特沃斯低通滤波器的MFC程序，FS是采样频率，fp是截止频率，大家-Butterworth low-pass filter MFC process, FS is the sampling frequency, fp is the cut-off freq(Butterworth low-pass filter MFC process, FS is the sampling frequency, fp is the cut-off freq)