chengxuwenjianzip

说明：   2003年，ITU-R制订完成了下一代移动通信系统的纲领性文件M.1645，其中明确要求，下一代移动通信系统支持低速用户100Mb/s，高速用户1Gb/s的传输速率。由于频谱资源紧张，如何在占用有限的频带资源的条件下，实现大范围网络覆盖，支持更高速率的无线数据(bu cuo deyuan ma hen hao hao de xue xi azi x)

MATLAB GUI设计的实例，学习用matlab设计界面的很好的参考资料(MATLAB GUI)

关于雷达相位法测角的论文：MUSIC，多基线相位测角法(Phase angle measured on radar papers: MUSIC, multi-baseline phase angle measurement method)

farrow滤波器测试实例，包括线性和多项式farrow结构比较，幅度相位比较，以及分数延迟可变的farrow结构(farrow filter testing procedures, structures and linear polynomial farrow farrow structure comparison, fractional delay variable farrow structure instance.)

说明：  低密度奇偶效驗碼利用硬式解碼再經過bsc通道下的錯誤率(Low-density parity codes using hard and then after bsc channel decoding error rate under the)

语音信号处理综合运用了数字信号处理的理论知识，对信号进行计算及频谱 分析，设计滤波器，并对含噪信号进行滤波 (Speech signal processing of digital signal processing integrated use of theoretical knowledge, to calculate the signal and spectrum analysis, design filter, and filter the noisy signal)

implementation efficient reliability ratio based weighted bit flipping

对周期法提取谱特征的matlab编程的代码说明教材，及对此编程的优化代码(Extraction of spectral characteristics of the cycle of matlab programming code that shows teaching materials, and the optimization of the code of this program)

这是用Matlab写的m文件，实现图片灰度变换功能，具体功能和操作在程序中有详细说明(It is written with Matlab m file functions to achieve image gray-scale transformation, the specific functions and operations are detailed in the program)

地球不转时的星下点轨迹，回归周期1天，可自行设定(Earth does not rotate when the nadir track one day return period)