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modulation
This file contain several functions for digital modulation simulation.
- 2010-01-08 19:22:42下载
- 积分:1
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photo_everyday
运行该程序会在路径【F:图片\美好心情】上生成一幅照片,其名字为当前的拍摄时间。
1、需事先建立路径【F:图片\美好心情】
2、电脑为windows系统且配有摄像头(Run this program in the path [F: Pictures a better mood] to generate a photo, their name for the current recording time.
1, prior to the establishment of the path [F: Pictures a better mood]
2, the computer system for windows and with camera)
- 2012-04-05 10:18:19下载
- 积分:1
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DES
基于matlab des算法 加密 解密 密钥(Algorithm based on encryption and decryption key matlab des)
- 2011-05-29 10:32:07下载
- 积分:1
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Gear
GearDesign returns the basic triangulated model of a 3D spur Gear. It requires as input a few standard parameter to insert in the Gear
structure.
- 2011-06-21 17:54:22下载
- 积分:1
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MPAM1
通信类、数字基带信号的编码、解码、Simulink程序框图(Communications, digital baseband signal encoding, decoding, Simulink block diagram)
- 2013-12-16 17:58:01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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电容灵敏度
图像重建,采集电容灵敏度,通过计算重建图像。计算电容灵敏度(Calculation of capacitance sensitivity)
- 2018-01-04 08:37:15下载
- 积分:1
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1
说明: matlab 聚类分析及数据挖掘的一种算法(matlab Clustering Data Mining Algorithm)
- 2009-10-16 17:08:34下载
- 积分:1
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aleatmulti.m
The code in matlab help user do statistical analysis of time series
- 2013-01-11 20:45:06下载
- 积分:1
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Test1
This code proved to an efficient code for image compression using wavelet transform
- 2009-09-12 23:30:30下载
- 积分:1