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ztransformer
this is the Z transform matlab code
- 2009-05-11 15:48:38下载
- 积分：1
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hndlgraf
这是一个Matlab小程序，可以实时的根据你输入的绘图命令绘图。(Drawing drawing command input.)
- 2012-05-04 07:19:35下载
- 积分：1
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almounti
different modulation scheme for MIMO technology
- 2014-09-09 15:50:49下载
- 积分：1
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OFDM
首先根据短训练字的特性进行相关运算，进行信号到达检测，当检测到相关值大于门限一定次数后，认为有信号到达。然后根据长训练字的特性，进行相关运算，进行OFDM符号FFT窗口起始位置的估计。估计出FFT窗口的位置后，先在时域进行小频偏的估计，将两个长训练字进行小频偏补偿后，进行FFT运算，根据FFT运算的结果进行整数倍频偏的估计。这些参数估计完成后，就可以进行数据解调了。先对数据部分进行完整的频偏补偿，然后根据估计的FFT窗口位置进行FFT运算得到频域的数据，进行解调。然后在对应于导频的子载波位置上提取出导频信息，根据导频信息估计出剩余定时误差以及剩余的信道响应误差，将误差量送入环路进行跟踪。当收到所有数据后，重新回到信号到达检测状态，进行下一次信号到达的检测和信号接收。(First, according to the characteristics of the short training word correlation operation, the signal reaching the detector, when the detected correlation value is greater than the threshold after a certain number of times that a signal arrives. And then the characteristics of long training word, the correlation operation for the FFT window starting position of an OFDM symbol estimate. The estimated position of the FFT window, the first small frequency offset in the time domain estimation, the two long training word small frequency offset compensation, the FFT operation, the FFT result of the operation for integer frequency offset estimate. These parameter estimation is completed, the data can be demodulated on. The first portion of the data for a complete frequency offset compensation, and based on the estimated FFT window position of the FFT operation to obtain frequency domain data, demodulated. Then corresponding to the position of the pilot subcarriers are extracted on pilot inform)
- 2020-11-04 23:49:52下载
- 积分：1
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Diophantine
Diophantine 丢番图的求解，很经典，也很简单(Diophantine)
- 2009-09-22 17:32:33下载
- 积分：1
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ASK-OOK-FSK-BPSK
说明： 二相相移键控（BPSK）是用二进制基带信号（0、1）对载波进行二相调制。BPSK是最简单的PSK形式，相移大小为 180°，又可称为2-PSK。在群点聚集的地方，其实都不是非常有关系，在该图像中，群点分布在水平轴上的0°和180°上。由于BPSK使用严重的失真致使解调器作出错误的判断，所以该调制方式是所有PSK中最强的。但它只能以1bit/symbol调制而不适合高数据率应用情况。 (bpsk modulation)
- 2011-04-13 17:10:58下载
- 积分：1
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Transmissionlines.m
An program for transmission line is given in this file.For Short the length is 80 km,for medium 80 to 250 km and for long transmission length is given by 250 km above.
- 2014-01-24 19:33:01下载
- 积分：1
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Feedback_control_theory
英文版的反馈控制理论书籍，因为看着英文比较费劲，所以也没看过，不过这本书应该也是不错的()
- 2007-09-20 13:17:06下载
- 积分：1
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hxt
此为非数据辅助的频偏估计算法的MATLAB仿真(data supporting this non- Offset Estimation Algorithm MATLAB)
- 2020-12-09 15:39:18下载
- 积分：1
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fdSVM
基于SVM的人脸识别系统，matlab实现，google code 最新代码。(face recgonition based on SVM,impleted on Matlab .The code is downloaded from google this days.)
- 2013-01-17 11:37:22下载
- 积分：1
