chatroom

产生16QAM信号，用平方根升余弦滤波器进行脉冲整形，平方根升余弦滤波器产生16-QAM波形波形，画出眼图(16QAM signal of pulse shaping by square root raised cosine filter, the square root raised cosine filter to generate 16-QAM waveform waveform, draw the eye)

实用性代码，可以在手机等移动设备上很好的使用，可操作性强。(Usefulness of the code can be very good for use on mobile phones and other mobile devices operable.)

说明：  相干光通信QPSK，QAM调制格式等MATLAB仿真代码，直接运行即可，非常好用。(Coherent optical communication QPSK, QAM modulation format matlab simulation code, direct operation can be, very easy to use.)

GMSK基带信号的调制解调基于SIMULINK的系统，计算误码率，(Modulation and Demodulation of GMSK Baseband Signal)

CDMA系统中几种功率分配的算法。功率控制提高信道容量(CDMA system, several power allocation algorithms. Power control to improve channel capacity)

4发1收差分空时分组码系统的编码和译码程序(DSTBC coding and decoding program)

说明：  DS-CDMA的MMSE算法程序，给出了不同信噪比下的BER性能比仿真曲线。(DS-CDMA of the MMSE algorithm program are given under different signal to noise ratio curve of BER performance than emulation.)

此程序用matlab编码，可以生成随机骨料，适用于有限元分析。。。。(This program is progressed by matlab, which can generate the concretebone. It can be used in finte element analysis.)

说明：  This program is for division of natural semiconductor

迭代ACCF相参积累与参数估计,SAR回波，只加了噪声(Iterative ACCF coherent accumulation and parameter estimation)