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一部很好的3D游戏入门的源代码,很适合初学者，希望大家给出一些更宝贵的资料，相互学习-A good 3D game portal

说明：  OFDM系统的完成仿真过程具有一定的利用价值(OFDM the completion of the simulation system has a certain value of utilization)

说明：  4乘4矩阵键盘stm32f103开发板。 消抖。 col列，Pin配置为PP推挽输出模式； row行，Pin配置为Input模式，启用内部上拉电阻(4 times 4 matrix keyboard STM32F103 development board. Shake off. Col column, pin is configured as PP push-pull output mode; Row, pin is configured in input mode, and internal pull-up resistor is enabled)

WTV，大家看一看-WTV, you look at!

新编剑桥商务英语（中级）学生用书电子版 完全版-New Business English (Intermediate) Student

mpi的安装过程及一个简单例子，适合初学者-mpi the installation process and a simple example, for beginners

经验小波变换，将信号分解为多个子特征的子序列。性能较EMD、EEMD、WD等有所提升。(Empirical wavelet transform decomposes the signal into sub sequences of multiple sub features. The performance is improved compared with EMD, EEMD, WD and so on.)

说明：  可对两幅图像的相似特征点进行匹配，并标记出对应特征点，同时对两幅图的相似点进行连线。(It can match the similar feature points of the two images, mark the corresponding feature points, and connect the similar points of the two images at the same time.)

Region growing source code using matlab.

PROFIBUS – DP的DP即Decentralized Periphery。它具有高速低成本，用于设备级控制系统与分散式I/O的通信，DP源码程序(It has high speed and low cost. It is used for communication between device-level control system and distributed I/O, DP source code program.)