2nd

DS-CDMA仿真源程序，内附详细说明文档，适合初学者(DS-CDMA simulation source code, containing detailed documentation, suitable for beginners)

画出矩形脉冲波形，并对其进行调制，载波为正弦信号，并画出任意延时后的波形(Draw the rectangular pulse waveform, and its modulation, Carrier is a sinusoidal signal, and to draw an arbitrary delay the waveform after)

此模块实现了高压直流输电的matlab仿真，对高压直流输电的实物制作有意义。(This module implements matlab simulation of HVDC, the kind produced meaningful HVDC.)

说明：  《现代信号处理教程》配套源程序，包含了许多信号处理的函数M文件("modern signal processing Guide" complementary source, including many signal processing function M paper)

在MATLAB平台下对GPS信号的仿真，主要对P码进行了研究，是一份完整的学士学位毕业论文(Under the platform of MATLAB simulation of the GPS signal, the P code carried out research, is a full bachelor s degree thesis )

Converts geodetic coordinates in WGS84_LLA to cartesian coordinates in WGS84_XYZ. Vectorized version.

基于matlab-simulink的mimo仿真模型，使用了ostbc编码技术，可以看到ber与锐利衰落的关系，成功运行。(Mimo simulation model based on Matlab-Simulink of ostbc coding techniques, you can see ber, and the sharp decline of the relationship, and run successfully.)

Calculate geodesic distance

说明：  《matlab智能算法30个案例分析》采用案例形式，以智能算法为主线，讲解了遗传算法、免疫算法、退火算法、粒子群算法、鱼群算法、蚁群算法和神经网络算法等最常用的智能算法的matlab实现。本书共给出30个案例，每个案例都是一个使用智能算法解决问题的具体实例，所有案例均由理论讲解、案例背景、matlab程序实现和扩展阅读四个部分组成，并配有完整的原创程序，使读者在掌握算法的同时更能快速提高使用算法求解实际问题的能力。本书可作为本科毕业设计、研究生项目设计、博士低年级课题设计参考书籍，同时对广大科研人员也有很高的参考价值。(All the cases in the book are carefully designed for the immediate needs of users of major matlab technology forums in China, and the contents and solutions of many cases are rarely introduced in the published matlab books in China.)

comparison between uncoded and LDPCencode BPSK signal transmitted in AWGN channel