在ofdm调制中运用压缩感知中OMP算法进行信道估计并与LS算法

本程序是写的是扩展高斯（EGF）滤波器，当两个输入为根号1/2的时候就是IOTA滤波器，用于通信系统发端的波形塑形(This function calculates a filter with egf characteristic)

实现ldpc 编译码功能，并且输出BER和曲线图。(LDPC encoder and decoder)

子载波功率资源分配，OFDM技术将信道分成许多正交子信道，在每个子信道上使用一个子载波进行调制，并且各个子载波并行传输(Power resource allocation of the sub-carriers, OFDM technology will channel into a number of orthogonal subchannels, in each subchannel to use a sub-carrier modulation, and the respective sub-carrier parallel transmission.)

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

多进制ldpc的BP译码算法，C++实现(BP decoding algorithm for multilevel LDPC)

伽利略信号产生和仿真分析书中的全部源代码，包括导航各频段信号产生，测距码程序，以及BOC信号频谱相关特性。另有一另外的BOC信号程序例程~(all code in GALILEO Signal generation and simulation analysis)

说明：  基于MATLAB的码本预编码算法，包含码本文件和预编码文件(Codebook precoding algorithm based on MATLAB)

实现的通信中正交频分复用的过程，包括OFDM的一些信号处理的算法(To achieve communication in orthogonal frequency division multiplexing process, including a number of OFDM signal processing algorithms)

base is now HeapNumber with valid Smi value.

说明：  在瑞利信道中，对于OFDM信号设计一种具体的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK调制时的误码率性能。画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线(In Rayleigh channel, a specific guidance aided channel estimation method is designed for OFDM signal, and the simulation is carried out with Simulink to measure the BER performance of BPSK modulation. The relation curve between bit SNR and channel estimation mean square error is drawn, and the relation curve between bit SNR and bit error rate is drawn)