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sine
用MATLAB M文件产生4096点的正弦数据(MATLAB M-file to produce a 4096-point sine data)
- 2012-06-21 23:07:27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
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firstderivative
first derivative for edge detection
- 2015-01-20 14:03:00下载
- 积分：1
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Huffman
MATLAB编写的huffman编解码程序，程序中计算了压缩比。(MATLAB prepared huffman codec procedures, procedures to calculate the compression ratio.)
- 2009-03-31 10:45:17下载
- 积分：1
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Signal-Processing
信号处理中的一些变换性质，公式，以及一些定义与适用范围(Some signal processing transforms the nature of the formula, and some of the definitions and scope of application)
- 2011-05-05 15:36:27下载
- 积分：1
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bp_matlabcode
bp神经网络源程序，大家可以参考，是用matlab 编写的(bp neural network source, we can refer to, is prepared by the Matlab)
- 2006-11-06 09:31:05下载
- 积分：1
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quantize
一个MATLAB编的图像编码中的量化小程序,希望大家看了有用(A series of MATLAB Image Coding quantify small procedures, hope that we read useful)
- 2007-12-13 16:01:46下载
- 积分：1
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prgram_6
对于飞飞行器设计的相关M文件，希望每一个见到它的人都喜欢她(aircraft design for audience)
- 2012-04-15 16:36:49下载
- 积分：1
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map
这是一篇关于ml和map的超分辨率重建算法的文档，详细介绍了经典map重建算法和基于参数估计的算法。(map,super-resolution )
- 2012-04-29 15:44:56下载
- 积分：1
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随机振动-matlab程序
好几个关于随机振动，结构动力学方面求解的算法，包括PSD法，PEM法，模态空间法，虚拟激励法等算法的基础程序(Several algorithms for solving random vibration and structural dynamics, including PSD method, PEM method, modal space method and virtual excitation method, are introduced.)
- 2020-12-17 10:49:13下载
- 积分：1
