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DSP
- 1.利用傅立叶级数展开的方法,自由生成所需的x(t); 2.通过选择不同的采样间隔T(分别选T>或<1/2fc),从x(t)获得相应的x(n)(作出x(n)图形); 3.对获得的不同x(n)分别作傅立叶变换,分析其频率响应特性4.利用巴特沃思、切比雪夫或椭圆滤波器设计数字滤波器(滤波特性自定),要求通过改变滤波器参数或特性(低通、高通、带通或带阻)设计至少两种数字滤波器,分析所设计滤波器并对上述给出的不同x(n)分别进行滤波; 5.利用窗函数设计法或频率采样法设计数字滤波
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
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
Chibyshev
- 一个4阶的切比雪夫Ⅰ型低通滤波器,可以用它对信号进行滤波。当然,滤波器的零极点图也是必不可少的。-A 4-order Chebyshev low-pass filter of type Ⅰ, you can use it to filter the signal. Of course, the filter pole-zero map is essential.
iir
- 设计一个低通数字滤波器,满足如下设计指标: 通带截止频率:0.2pi,通带波动:1dB 阻带截止频率:0.3pi,阻带衰减:15dB 要求:分别采用巴特沃斯、切比雪夫Ⅰ型、切比雪夫Ⅱ型和椭圆滤波器原型进行设 计,比较各种设计的阶数、实际阻带衰减,分析实验结果 -Design a low pass digital filters that meet the following design specifications: passband cutoff frequency:
adfilter
- 设计一个3阶低通切比雪夫滤波器,对信号发生器产生的频率为1KHZ的正弦信号进行实时滤波,将结果通过示波器显示,并与滤波前的波形进行对比。-Design a 3-order low-pass Chebyshev filter, the signal generator' s frequency sinusoidal signal 1KHZ real-time filtering, the results shown by the oscilloscope, and waveform with
filter
- 绘制四种常用低通模拟滤波器(贝赛尔滤波器,巴特沃斯滤波器,切比雪夫滤波器及椭圆滤波器)幅频特性曲线-Draw four commonly used low-pass analog filter (Bessel filter, Butterworth filter, Chebyshev filter and elliptic filter) amplitude-frequency characteristic curve
397397Iirdfv2
- iir 巴特沃斯 切比雪夫 实现高通滤波 带通滤波 低通滤波 带阻滤波等功能-iir 巴特沃斯切 Chebyshev high-pass filter band-pass filter low-pass filter band-stop filtering functionality
digital_filter_design
- 采用matlab设计数字滤波器的源程序,包含滑动滤波器、切比雪夫低通、带通滤波器等! -Digital filter design using matlab source, including sliding filters, Chebyshev low pass, band pass filter!
2
- 设计巴特沃斯型、椭圆、切比雪夫数字低通滤波器,并对加入噪声的图像进行滤波-design Buttetworth、cheby1 and ellip LF,and use these filters in image processing.
dsp
- 1. 利用傅立叶级数展开的方法,自由生成所需的x(t); 2. 通过选择不同的采样间隔T(分别选T>或<1/2fc),从x(t)获得相应的x(n)(作出x(n)图形); 3. 对获得的不同x(n)分别作傅立叶变换,分析其频率响应特性(给出幅频与相频特性曲线); 4. 利用巴特沃思、切比雪夫或椭圆滤波器设计数字滤波器(滤波特性自定),要求通过改变滤波器参数或特性(低通、高通、带通或带阻)设计至少两种数字滤波器,分析所设计滤波器(画出频率特性曲线),并对上述给出的不同x(n)
Multi-frequency-signals-filtering
- 多频混合信号,滤波器,最优化低通滤波,切比雪夫带通滤波,最优化高通滤波,matlab-Mixed multi-frequency signal, a filter, a low pass filter optimization, Chebyshev band-pass filter, high pass filter optimization, matlab
filter
- 设计巴特沃斯和切比雪夫滤波器,实现低通滤波,并计算滤波系数,给出效果图-Design a 20-order Butterworth filter, low-pass filter, and the filter coefficient calculation gives renderings
Untitled
- 建立一个切比雪夫低通滤波器,实现加噪的声音信号滤波。-Establish a Chebyshev low-pass filter to achieve the sound signal plus noise filtering.
threefilters
- 包含巴特沃斯、切比雪夫等三种滤波器,可以选择实现高通、低通和带通滤波。-Contains butterworth, chebyshev, such as three kinds of filter, can choose to implement high-pass, low-pass and band-pass filter.
work
- 巴特沃斯和切比雪夫低、带通滤波器matlab程序,能播放、读取音乐,加噪,滤噪等。画出加噪前、加噪后、滤波后波形。-Butterworth and Chebyshev low, band-pass filter matlab procedures, can play music, reading, adding noise, filtering etc.. Before the addition of noise, plus noise, after the filter waveform.
Chebyshev
- 基于等波动特性的切比雪夫(Chebyshev)函数的数字滤波设计(包括ChebyshevⅠ型和ChebyshevⅡ型的低通,高通,带通,带阻滤波器)-Based on the wave characteristics of Chebyshev design of digital filter function (low pass, including Chebyshev type I and type II Chebyshev high pass, band pass, band stop fi
MATLAB
- 这是切比雪夫2型低通滤波以及卡尔曼滤波程序。-Chebyshev 2 type low pass filter and Kalman filter program
fir_test
- 对输入的原始数据qqqq4444,qqqq4444数据需自己手动输入,进行低通滤波,然后进行快速傅里叶变换,最后算出距离(For input raw data, qqqq4444, qqqq4444 data need to be manually input, low-pass filtering, and then fast Fourier transform, and finally calculate the distance)
低通滤波器(matlab)
- 低通滤波,基于切比雪夫滤波器,可根据滤波要求调整截止频率(Low pass filter, based on Chebyshev filter, the cut-off frequency can be adjusted according to the filter requirements)