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fftanalysis_matlab
fft_analysis_matlab for analysis the wave from to identify harmonic and freqency
- 2011-05-11 19:30:41下载
- 积分：1
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MIT---Intro-to-Matlab
MIT course- Introduction to Matlab
- 2012-02-01 10:48:25下载
- 积分：1
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integral1D
This code from Matlab central file
- 2009-12-07 23:57:36下载
- 积分：1
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xiaobojiangzao
利用小波阈值系数降噪的方法，对振动噪声信号进行降噪(
25/5000
Lìyòng xiǎobō yùzhí xìshù jiàng zào de fāngfǎ, duì zhèndòng zàoshēng xìnhào jìnxíng jiàng zào
The method of wavelet threshold coefficient noise reduction is used to noise the noise signal)
- 2017-04-27 18:50:10下载
- 积分：1
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Tsai
本代码图象轮标定代码，用ＭＡＴＬＡＢ软件编写(Round of the code image calibration code, using MATLAB software to prepare)
- 2008-03-21 19:18:52下载
- 积分：1
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omp2
用MATLAB进行海洋水团的模拟程序，里面包含数据源()
- 2008-07-17 09:35:15下载
- 积分：1
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PID_Weizhi
这是matlab中实现PID位置控制算法程序(This is the matlab PID position control algorithm)
- 2012-03-21 14:51:16下载
- 积分：1
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matlab1
控制工具箱与SIMULINK软件应用：系统对象为G(s)=4/s(s+2)
PI补偿器K1(s)=(s+1)/s K2(s)=(s+0.5)/s
a 若由K1(s)与 G(s)串联组成的单位反馈系统，称为系统A。
b 若由K1(s) 放置在G(s)的反馈通道称为系统B。
c 若由K2(s)与G(s)串联组成的单位称为系统C，绘制上述每一种情况的阶跃响应与斜坡响应，求每一种情况下的系统阶跃响应误差与斜坡响应误差，并与理论分析结果进行比较。
(Control toolbox and SIMULINK software application: system object for G (s) = 4/s (s+ 2)
PI compensator K1 (s) = (s+ 1)/s K2 (s) = (s+ 0.5)/s
If a by K1 (s) and G (s) series of feedback system of the unit, known as a system a.
B if the K1 (s) placed in G (s) feedback channel called system b.
If c by K2 (s) and G (s) series of unit is called system c, draw the above each kind of condition of step response and slope response, for each of these cases system step response error and slope response error, and the results were compared with theoretical analysis.)
- 2012-04-19 14:43:49下载
- 积分：1
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binary-frequency-shift-
现代通信原理课程中，在MATLAB中实现二进制频移键控调制程序。(Modern communication theory course, to implement in MATLAB binary frequency shift keying modulation program.)
- 2011-10-04 10:40:25下载
- 积分：1
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matlab
在采样点之间的频率响应是由各采样点的加权内插函数叠加而形成的，因而有一定的逼近误差。该误差大小取决于理想频率响应的形状，理想频响特性变化越平缓，内插值越接近理想值，逼近误差越小；反之，如果采样点之间的理想频响特性变化越陡，则内插值与理想值之间的误差越大，因而在理想滤波器不连续点的两边，就会产生尖峰，而在通带和阻带就会产生波纹。用频率采样法设计的实际滤波器频率响应如图1所示。由图1可知，实际滤波器的阻带衰减取决于内插函数第一旁瓣幅度值的大小，其大小决定了所设计的滤波器的阻带性能。(Interpolation function superimposed between sampling points of the frequency response is weighted within each sampling point and the formation of, and thus have a certain degree of approximation error. The size of this error depends on the shape of the ideal frequency response and the ideal frequency response characteristic change is more gentle, interpolated and more close to the ideal value, the smaller the approximation errors Conversely, if the sampling point between the ideal frequency response characteristics of the steeper the change, and then the interpolated the larger the error between the ideal value, and thus in the ideal filter both sides of the discontinuity point, will produce spikes occurs ripple in the passband and stopband. Actual design frequency sampling filter frequency response is shown in Figure 1. Figure 1 shows, the actual filter stopband attenuation depending on the interpolation value of the size of the first side-lobe amplitude of the function that determin)
- 2013-03-12 13:47:15下载
- 积分：1
