DDS

在matlab下实现了z变换，给出了分析、源文件和输出的零极点图(Matlab achieved in the z transform, gives an analysis of the source file and output zero-pole diagram)

nv_encd.m　卷积编码程序 viterbi.m　　卷积译码程序 其它的是viterbi.m中用到的子函数 程序来自《现代通信系统－使用matlab》英文版 已经调通！并加上了注释。 希望对大家有帮助 GOOD　LUCK！(nv_encd.m convolutional coding procedures viterbi.m convolutional decoding process viterbi.m other is used in Function procedures from the )

基于文化算法的粒子群优化算法能记忆遍历过的最优值(Culture-based particle swarm optimization algorithm to traverse through the optimal value of the memory)

空时正交编码源程序，参考文献： V.Tarokh,H. Jafarkhani,and A. R. Calderbank "Space-Time Codes from ％Orthogonal Designs",IEEE Trans. Inform. Theory VOL. 45,NO. 5,JULY 1(orthogonal space-time coding source, References : V. Tarokh, H. Jafarkhani. and A. R. Calderbank, "Space-Time Codes from Or% thogonal Designs " IEEE Trans. Inform. Theory VOL. 45, NO. 5. JULY 1)

介绍通信系统基本结构的simulink仿真程序，包括了脉冲成形，OOK，BPSK，4-ASK，QPSK，Offset-QPSK,MSK,16-QAM的调制解调simulink仿真，可以观察的调制波形和误码率。(This tutorial program introduces the infrastructure of commnication system in simulink form.It contains the simulation of Pulse Shape,OOK，BPSK，4-ASK，QPSK，Offset-QPSK,MSK,16-QAM, and the result form of waveline and error rate can be showed in simulation.)

matlab robotic toolbox的源文件和一份中文简要说明。很实用(a brief description the matlab robotic toolbox source files and a Chinese. Very practical)

this ias uase in anay appacation

与普通相机标定不同，这是一款鱼眼相机标定工具，非常实用。(fisheye calibration toolbox)

本文講述了一個基於FAN4800 連續PFC 前端的雙管正激電源的功率級設計。回顧了這種電源的設計選擇。討論的實際課題包括功 率器件選型，電磁設計，佈局和電磁干擾 (EMI)，目的在於幫助工程師加速並改善其設計。(This article about a front-end based on the FAN4800 PFC consecutive two-transistor forward power stage power supply design. Review this power supply design options. The actual topics discussed include the selection of power devices, electromagnetic design, layout, and electromagnetic interference (EMI), designed to help engineers to speed up and improve its design.)

利用FDTD软件计算纳米材料的吸收、散射(we use FDTD methord to simulate the absorption and scattedring cross section)