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DS_CDMA
说明： DS-CDMA通信系统仿真程序——包括扩频码的产生，发射机、接收机及性能分析等(DS-CDMA Communication System Simulation Program- including the spread spectrum code generation, transmitter, receiver and performance analysis)
- 2010-04-02 12:06:26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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AIC-modelisation
The Akaike information criterion (AIC) is a measure of the relative quality of a statistical model for a given set of data. That is, given a collection of models for the data, AIC estimates the quality of each model, relative to each of the other models. Hence, AIC provides a means for model selection.
- 2015-04-02 07:06:16下载
- 积分：1
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QAM-Digital-predistortion
64QAM数字预失真程序，预失真效果好。(64QAM digital pre-distortion process, the effect of pre-distortion well.)
- 2020-08-14 16:48:27下载
- 积分：1
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checkblock
this is a code for checkblock
- 2013-01-29 17:24:48下载
- 积分：1
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read_write
Matlab code for image read and write
- 2015-01-18 01:27:13下载
- 积分：1
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transfer-function-
用matlab实现 传递函数 如果 转换到 Z 变换传递函数(show the methods for solving transfer function )
- 2012-11-08 18:27:01下载
- 积分：1
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maichongduopuleleida
这是随即信号处理中的有关应用，是一个脉冲多普勒雷达的matlab 仿真(This is the aplication of random signal )
- 2021-04-14 10:38:55下载
- 积分：1
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MODE_NORMALIZE
数据模型归一化，模态振动，数据分析，将振型与模态数据归一化，各种归一化方法(data normalize)
- 2020-07-03 20:40:01下载
- 积分：1
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Morlet-Wavelet-Kernel-by-Marcelo-Cicconet
The Morlet wavelet (or Gabor wavelet) is a wavelet composed of a complex exponential (carrier) multiplied by a Gaussian window (envelope). This wavelet is closely related to human perception, both hearing and vision.
- 2013-04-05 21:42:13下载
- 积分：1
