中文说明：
使用MATLAB实现CDMA系统的RAKE接收机，并给出了合并后的系统性能。并给出将数字调制改成QPSK时修改后的程序。(RAKE receiver for CDMA system)
English Description：
The rake receiver of CDMA system is realized by MATLAB, and the performance of the combined system is given. The modified program is given when the digital modulation is changed to QPSK. (RAKE receiver for CDMA system)