mod_demod_64QAM

DRM(Digital Radio Mondiale)系统采用OFDM调制方式， 引入了先进的信源信道编码和调制技术，使得AM波段的音频广播质量大大提高，在保持现有10kHz带宽时接近了FM广播的质量[5](DRM (Digital Radio Mondiale) system uses OFDM modulation, the introduction of advanced source-channel coding and modulation techniques, making AM-band audio broadcast quality greatly improved, while maintaining the existing 10kHz bandwidth close to the quality of FM broadcasting [5])

可实现，线性调频信号的产生，波形显示，波形解调和码字解调功能(Realizable, chirp signal generation, waveform display, waveform demodulation and codeword demodulation)

使用MATLAB建模实现DCO-OFDM(Implementing DCO-OFDM using MATLAB modeling)

基于matlab-GUI制作的数字通信信号的调制仿真，包括时域、功率谱显示，仿真的调制方式有：ASK、FSK、PSK、QPSK、OQPSK、1/4piQPSK、8PSK、MSK，比较直观易懂，可供需要的同胞参考(this process mainly simulate varity of digital signal modulation,such as ASK、FSK、PSK、QPSK、OQPSK、1/4piQPSK、8PSK、MSK)

说明：  毫米波以及MIMO系统仿真，附带matlab程序和论文！(Angle-based codebook for low-resolution hybrid precoding in millimeter-wave massive MIMO systems)

说明：  仿真Alamouti 的 BER 性能曲线（QPSK 调制）(Simulation BER of QPSK Alamouti STBC with two transmit and receive antenna)

Rappaport_Wireless Communication Technologies Text Book Rappaport_Wireless Communication Technologies Text Book

说明：  MATLAB实现COSTAS环的源程序，有详细的注释说明 (costas source matlab)

BCH编码的matlab程序，实现BCH（1023，1013）(BCH coding matlab program to achieve the BCH (1023,1013))

利用MATLAB编码实现BCH信道编译码功能。(The BCH channel coding function is realized by MATLAB coding.)