CCSDS_LDPC

By building the generalized Sigmoid function relationship between normalized step-size and the power of error signal, a novel variable step-size NLMS algorithm is proposed. It is proved that the step-size of NPVSS-NLMS changes as the new algorithm does when A=σv -m and B=2. The physical meanings of the parameters in this algorithm are explored. The theoretical analysis illustrate that this algorithm combine the virtues of NPVSS-NLMS and Sigmoid function, and it leads to faster convergence rate and lower final misalignment. The computer simulation results support the theoretical analysis.

QPSK开环载波同步技术研究 频偏估计算法(Open-loop carrier synchronization QPSK Research Frequency Offset Estimation Algorithm)

说明：  移动通信基础，经典介绍了移动通信最新技术及前沿动态。经典再现(Mobile Communication Foundation)

TDOA algorithm presentation

语音信号的采集与处理，数字信号处理课设，能量谱分析计算,小波包分析提取振动信号中的特征频率。( Acquisition and Processing of the speech signal, digital signal processing class-based, Energy spectrum analysis and calculation, Wavelet packet analysis to extract vibration signal characteristic frequency.)

文章涉及OTDM系统的实现，对研究此方向的同学有一定帮助(OTDM systems involved in the realization of the article, students in this direction of research will definitely help)

有关CC2430的文档，里面的东西很实用，希望对你有帮助(The CC2430 document, which is very useful stuff, want to help you)

说明：  该程序给出了利用Saleh模型进行功率放大器预失真的过程．(The program gives the power amplifier pre-distortion with Saleh models.)

说明：  分数阶傅里叶法对LFM信号进行检测和参数估计的参考文献，可以参考原理。(The reference of fractional Fourier method for LFM signal detection and parameter estimation can refer to the principle.)

GMPLS中的相关信令协议RSVP仿真代码，网上下载的，希望能适合大家(Related signaling protocols in GMPLS RSVP simulation code, download, and I hope we can fit)