xiezheng 弹簧振子运动MATLAB仿真

说明：  对NOMA下行链路的用户和信道功率分配的优化(Energy-Efficient Resource Allocation for Downlink Non-Orthogonal Multiple Access (NOMA) Network)

说明：  实现特征降维以及完成多分类的任务。可自行组合分类器(Realize feature dimensionality reduction and multiple classification.)

一个简单的ftp实现，用c语言实现的，供大家研究-a simple ftp realize that the C Language for everyone to consider

说明：  2. 关于无线信道的多普勒谱，请回答以下问题： (1) 在某些无线信道中，多普勒频移会引起无线信道输出信号的混叠。请描述产生混叠的各种原因； (2) 无线信道中的多普勒谱有一种经典谱(classic spectrum)，请解释产生这种谱形状的机理； (3) 请用Simulink工具编写代码(S-Function方式)，产生一单径瑞利信道，其多普勒谱为经典谱，其中移动速率为120km/h。并请描述：自己用计算机产生的经典谱是正确的依据。(2. Regarding the doppler spectrum of the wireless channel, please answer the following questions: (1) in some wireless channels, doppler frequency shift will cause aliasing of the output signals of the wireless channel.Describe the various causes of aliasing; (2) there is a classic spectrum in the doppler spectrum in the wireless channel, please explain the mechanism of producing this spectrum shape; (3) please use Simulink tool to write code (s-function mode) to generate a single-path Rayleigh channel, whose doppler spectrum is the classical spectrum, in which the moving rate is 120km/h.And please describe: your own computer generated classical spectrum is the correct basis.)

MFC聊天程序 对于学习网络通讯软件设计有帮助-It s helpful to study the designer of embedded software^

实例 用Modeler搭建一个ALOHA协议仿真平台，进一步熟悉Modeler节点级和进程级的操作，深化三层建模机制。(进程->节点->网络) (Examples ALOHA protocol with Modeler to build a simulation platform to further familiarize Modeler node level and process-level operations, deepening three modeling mechanism. (Process-> Node-> Network))

文件图标提取工具源码程序，结合易语言应用接口支持库，实现了提取文件夹的图片并保存为bmp或ico格式。(File icon extraction tool source program, combined with easy language application interface support library that implements the image extracted folder and save it as bmp or ico format.)

一个关于GPS的工具箱，用于仿真卫星信号产生、信号传播环境、接收机测量和数据处理流程(The Toolbox about GPS allows to simulate the satellites, the propagation environment, the receiver measurements and the data processing.)

程序使用了自相关性和互相关性较好的gold码作为扩频序列，直扩，扩频增益设置为31，模拟用户数为4(Program uses a self-correlation and cross-correlation of the better gold code as spreading sequence, direct expansion, spreading gain is set to 31 to simulate the number of users of 4)

说明：  本项目只是一个基本框架，提供部分代码，提供一个在Labwindws环境下用WindowsAPI编程的思路，这个项目是在VS2010中生成，然后移植到Labwindows中，可以自己二次开发。(This project is only a basic framework, providing part of the code, providing an idea of programming with Windows API in Labwindows environment. This project is generated in VS2010, and then transplanted to Labwindows, which can be developed by itself.)