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IIR
用双线性变换法设计IIR数字滤波器
(1)用双线性变换法设计一个巴特沃斯低通IIR 数字滤波器。设计指标参数为:在通
带内频率低于0.2π 时,最大衰减小于1dB;在阻带内[0.3π ,π ] 频率区间上,最小衰减大于15dB。
(2)以0.02π 为采样间隔,打印出数字滤波器在频率区间[0,π / 2] 上的幅频响应特性
曲线。
(3)用所设计的滤波器对实际心电图信号采样序列(在本实验后面给出)进行仿真滤
波处理,并分别打印出滤波前后的心电图信号波形图,观察总结滤波作用与效果。
(err)
- 2009-01-01 17:12:11下载
- 积分:1
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11912888matlab
Very low cost, low component count charger/adapter – replaces linear transformer based solutions
• Extremely simple circuit configuration designed for high volume, low cost manufacturing
- 2009-03-01 10:59:59下载
- 积分:1
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Sllyear
线性相关
求逐月异常序列x(n,12)和y(n,12)(n是年)相同月份之间的滞后超前nt年的相关系数rt(-nt:nt,12),其中nt最大的滞后或超前时间(单位:年)。
(Linearly related to demand monthly abnormal sequence x (n, 12) and y (n, 12) (n is the year) ahead of the same month lag between the years of the correlation coefficient nt rt (-nt: nt, 12), in which nt the largest lag or lead time (unit: years).)
- 2010-05-28 10:06:21下载
- 积分:1
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MATLAB-SIMULINK
MATLAB-SIMULINK通信系统建模与仿真实例分析-清华大学编著,很实用的案例分析(MATLAB-SIMULINK communications system modeling and simulation examples analysis- Tsinghua University, edited, very practical case studies)
- 2014-08-07 19:25:44下载
- 积分:1
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ex_conv_2D_Tikhonov_Lcurve
example of 2D tikhonov regularization tools
- 2010-11-30 13:49:11下载
- 积分:1
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fermi_E
Fermi distribution. matlab files.
- 2009-12-23 00:03:11下载
- 积分:1
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234
MATLAB非常齐全的绘图命令,里面含有各种实例和源代码。(MATLAB is a full range of graphics commands, which contains a variety of examples and source code.)
- 2009-07-15 21:02:58下载
- 积分:1
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SeisLab_2.01
说明: 地震、测井方面matlab代码~可以适用于勘探开发中(SeisLab)
- 2010-03-22 11:43:56下载
- 积分:1
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Wienerfilernoisereducement
说明: 是用matlab编译的wiener滤波器,实现噪声的消除和语音质量的提高(Is compiled matlab wiener filter, to achieve noise cancellation and voice quality improvement)
- 2010-05-01 21:22:52下载
- 积分:1
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ldpc
LDPC码仿真,采用peg构造矩阵H,译码为spa。(The code for ldpc simulation under matlab。)
- 2015-03-19 12:58:40下载
- 积分:1