revised_simu_multi_path

这是一个相对完整的OFDM通信系统的仿真设计，包括编码，调制，IFFT， 上下变频，高斯信道建模，FFT，PAPR抑制，各种同步，解调和解码等模 块，并统括系统性能的仿真验证了系统设计的可靠性 (OFDM full version of the source code, including coding, modulation, IFFT, Upper and lower frequency, Gaussian channel model, FFT, PAPR suppression, a variety of synchronization, demodulation and decoding module, and system performance of the omnibus simulation verify the reliability of the system design)

实验串口通信，专用于电子科技大学中山学院的实验箱，有兴趣的同学可以选的下载哦(Experimental serial communication, dedicated to the electronic science and technology university of Zhongshan college of experimental box, interested students can choose to download oh)

说明：  polar code编译码 包括生成矩阵编码，SC译码算法，BER和BLER计算以及画图。(Polar code encoding and decoding It includes generating matrix coding, SC decoding algorithm, BER and BLER calculation and drawing.)

线性调频连续波的雷达测距测速的两次FFT(Linear frequency modulation continuous wave radar ranging and speed estimation by twice FFT.)

BPSK仿真程序，简短有效，误码率分析，经典，快速(BPSK Simulation)

CDMA 系统仿真平台，有完整注释，对了解CDMA系统级仿真很有帮助(CDMA System Simulation)

基于压缩感知的MASSIVE MIMO信道估计，采用OMP算法解决稀疏信道估计问题。MASSIVE MIMO多小区多用户模型，合成稀疏信道（有效解决导频污染）。(Based on compressed sensing for MASSIVE MIMO channel estimation, OMP algorithm is used to solve the sparse channel estimation problem. MASSIVE MIMO multi cell and multi-user model, to synthesize sparse channel (effectively solve pilot pollution).)

说明：  OFDM信道估计的主要程序，算法研究等。(OFDM channel estimation algorithm for the main program, etc.)

ask、fsk调制信号的码速率、载波估计(ask_symbolrate_est fsk_symbolrate_est)

采用多相滤波结构进行仿真实验，先三倍抽取，后八倍内插(The simulation experiment is carried out using a polyphase filter structure, which is first extracted three times and interpolated eight times later)