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aac
aac compression its not complete, but i make it with step from block diagram
- 2011-05-17 21:15:46下载
- 积分:1
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KerSmooth_NW
Kernel regression using kernel functions
- 2011-10-28 07:58:38下载
- 积分:1
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IIR
1、不同阶次模拟巴特沃兹滤波器的频率响应
2、根据模拟滤波器指标,设计低通巴特沃兹滤波器
要求通带截止频率 fp = 5kHz, 通带最大衰减 ɑp =2dB, 阻带截止频率 fs= 12kHz, 阻
带最小衰减ɑs =30dB,按照上述指标设计巴特沃兹低通滤波器。
3、给定模拟滤波器,按照不同采样频率设计数字 IIR,观察采样频率对设计结果的影响
已知模拟滤波器传输函数 H(s)为
2
0.5012
( )
0.6449 0.7079
H s
s s
=
+ +
按照不同采样频率 Fs1=1Hz, Fs2=10Hz 使用脉冲响应不变法将 H(s)转换为 H(z)数字
IIR 滤波器。观察不同采样频率设计得到的数字 IIR 的差异。
4、给定数字 IIR 指标,用脉冲响应不变法设计 IIR。
数字低通滤波器的指标为: 0.2 , 1 , 0.3 , 15
p p s s
ω π α ω π α = = = = dB dB ,使用巴特沃
兹滤波器设计数字 IIR。比较采样频率 Fs=1, 2 时设计过程中的模拟滤波器,数字滤波
器的变化。
5、用双线性变换法设计 IIR,并同脉冲响应不变法比较设计的结果。数字滤波器指标要
求如下
0.2 , 1 , 0.3 , 15
p p s s
ω π α ω π α = = = = dB dB(1.Grasp the impulse response method and bilinear transformation design IIR filter principle and specific design methods, familiar with double
A computer program for designing lowpass, bandpass and highpass IIR digital filters by linear design;
2 . familiar with the design of analog Butterworth filter, master impulse response method and bilinear transformation method to design digital IIR
Filter method)
- 2021-01-05 16:48:54下载
- 积分:1
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complex_method_wiens_0_03
复形调优算法,,本算法是改进型算法,它在全局范围内寻找最优点,收敛效果好且快(Complex tuning algorithms, the algorithm is modified algorithm, the scope of its global search for the most advantage of faster convergence and better)
- 2009-06-19 20:50:01下载
- 积分:1
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triangleMatlab
the graphs where you can find how the function looks like - triangle
- 2013-11-30 17:39:18下载
- 积分:1
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PoissonFDTD
说明: 用有限差分法求解矩形域上的Poisson方程,matlab代码(matlab code to solve Poisson equation)
- 2011-03-24 15:13:37下载
- 积分:1
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vbufmqub
使用混沌与分形分析的例程,最小均方误差(MMSE)的算法,通过matlab代码,包含优化类的几个简单示例程序,包括调制,解调,信噪比计算,有较好的参考价值。( Use Chaos and fractal analysis routines, Minimum mean square error (MMSE) algorithm, By matlab code, Optimization class contains several simple sample programs, Includes the modulation, demodulation, signal to noise ratio calculation, There are good reference value.)
- 2016-04-04 20:31:47下载
- 积分:1
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20111115122238752
关于偏最小二乘法(PLS)的原理介绍及Matlab代码的实现(Introduce the principle of partial least squares (PLS) method and Matlab code)
- 2012-03-21 16:55:19下载
- 积分:1
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decjam124
单、双基SAR大斜视Matlab成像算法程序。( High Squint Imaging Alogrithm of SAR )
- 2020-12-31 09:48:59下载
- 积分:1
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Poincare.m
相图与庞加莱截面,但程序有点问题,需要交流,相图应该是对的(A problem, the phase diagram and Poincare section)
- 2013-12-26 19:01:40下载
- 积分:1