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fangdaqi
由于一般的功率放大器不是线性的，且动态范围是有限的，所以当OFDM系统内这种变化范围大的信号通过非线性部件时，信号会产生非线性失真。(
As the general power amplifier is not linear, and the dynamic range is limited, so that when a large range of variation within an OFDM system, the nonlinear signal components, the signal will produce nonlinear distortion.)
- 2014-08-17 12:14:32下载
- 积分：1
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softbit-BPSK-QPSK-PSK8-QAM16-QAM64
This matlab code describes soft demapper (soft bit) for different modulation types: BPSK, QPSK, PSK 8, QAM 16, QAM 64, which are considered for turbo encoding/decoding. And simulation results are also presented.
- 2021-02-05 14:59:57下载
- 积分：1
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system_s-function(mimo)
这是用SIMULINK的S-FUNCTION方式编写的系统仿真代码，系统是基于4G网络的核心技术空时分组编码的MIMO-OFDM通信系统的，涉及到空间分集、时间分集和频率分集的有机结合，包括QPSK调制解调、IFFT调制、控制编解码、基于训练符号的信道估计等通信模块。包括main_STBC_MIMO_OFDM和training_symbol两个M文件和一个DOC文件，对各部分的都有详细的代码和注释。(It is used SIMULINK the S-FUNCTION approach to the preparation of the system simulation code, the system is based on the 4G network s core technology space-time block coded MIMO-OFDM communication system, involving spatial diversity, time diversity and frequency diversity of the organic combination, including QPSK modulation and demodulation, IFFT modulation, control of encoding and decoding, symbol-based channel estimation training and other communication module. Including main_STBC_MIMO_OFDM and training_symbol two M file and a DOC file, have detailed the various parts of the code and comments.
)
- 2010-12-02 15:37:44下载
- 积分：1
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2009090310391598
瑞利信道_帧：128个0，128个PN (Rayleigh channel _ Frame: 128 0,128 a PN)
- 2009-12-22 18:32:08下载
- 积分：1
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New-Microsoft-Word-Document
this will perform thresholding operation on input image
- 2013-12-02 11:47:49下载
- 积分：1
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Genetic Algorithms
简单的遗传算法解决优化问题的汇编代码，包括单变量无约束优化、单变量有约束优化及多变量优化问题，并配以实例进行说明(Genetic Algorithms)
- 2013-12-26 19:00:06下载
- 积分：1
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fnn
false nearest neighbor calculation on a signal as a chaotic indicator
- 2013-07-18 01:06:03下载
- 积分：1
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Signal-to-noise-ratio
信噪比，计算公式是信号能量比上噪声能量，有助于分析信号成分的(Signal-to-noise ratio, and the calculation is signal energy on energy than noise, help analysis of signal components
)
- 2021-04-09 11:38:59下载
- 积分：1
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Image-zoom-program
利用matlab gui设计的图片放大程序(Using matlab gui program designed for larger photo)
- 2011-11-02 17:00:38下载
- 积分：1
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01生成标准数据
对目标轨迹数据加噪声，设置雷达经纬度，提取雷达可视部分(Add noise to target track data, set radar latitude and longitude, extract radar visible part)
- 2017-11-07 15:20:23下载
- 积分：1
