zhaidai

分析了 IEEE 802.15.4a的信道模型，并分析了现今测距的方法：CHAN与TAYLOR等，并在此基础上做了改进(Analysised the channel of IEEE 802.15.4a,and analysised some methods for TDOA and TOA . )

对OFDM进行 基于导频序列的同步的仿真，帧同步，符号同步及载波同步(OFDM based on pilot sequence simulation synchronization, frame synchronization, symbol synchronization and carrier synchronization)

modbus协议栈，供大家参考！ 供大家参考！(modbus connection protocol stack, for your reference! For your reference!)

说明：  Taming the Complexity of mm-Wave Massive MIMO Systems: Efficient Channel Estimation and Beamforming

改进的SLM算法，用于降低OFDM系统的峰值平均功率比(Improved algorithms for OFDM system to reduce the peak-to-average power ratio)

分析了该信号的时域、频域、倒谱，循环谱等,包括广义互相关函数GCC时延估计，这个有中文注释，看得明白。( Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Including the generalized cross-correlation function GCC time delay estimation, The Chinese have a comment, understand it.)

高通平台电信版CDMA手机写入MEID号码(Write MEID tool for Qualcomm platfrom)

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.)

LDPC码的三种随机构造法，PEG/MACAY/Gallar,三种方法的matlab实现(Three random construction method of LDPC codes, PEG/MACAY/Gallar, three methods of matlab,)

这是一个C语言实现的一阶到六阶的IIR滤波器程序,用于TI TMS320C5416 Texas 工具(This is a C-language-implemented first-to-sixth-order IIR filter program for the TI TMS320C5416 Texas tool)