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无线网络中节点均匀分布的解码转发机会中继性能分析0479-8023(2012)02-0183-10(Performance Analysis of Opportunistic Relaying with Regenerative Relays in Wireless Networks ?ased on the Randomly Distributed Nodes)

STM32实现环形缓冲区的串口传输，在KEIL环境下开发，稳定运行。(STM32 ringbuffer USART)

说明：  msp430f169单片机的主从spi通信。经过测试，通信成功(communications between msp430)

efm32的工程，是用iar创建的 编译通过ok(efm32 Demo)

这是一个能生成C程序代码的软件，用来编写液晶屏上的内容非常方便。(This is a program that generates C source software, used to write the contents on the LCD screen is very convenient.)

说明：  跑马灯是一种电脑编程工具，利用涂鸦等效果显示文字。电脑中的跑马灯，跑马灯在编程中，通常指有时需要用一矩形条显示少量用户特别关心的信息，这条信息串首尾相连，向一个方向循环滚动。(The marquee is a computer programming tool that uses text such as graffiti to display text. In the computer, the marquee and the marquee are usually programmed to display a small amount of information that the user is particularly concerned with. This string of information is connected end to end and scrolls in one direction.)

STM32F407定时器实验，使用定时器控制LED闪烁，并且与while循环的闪烁灯进行时间的对比。(STM32F407 timer experiment uses timer to control LED flicker, and compares the time with that of the while cycle flicker lamp.)

As the figure above illustrates, a phase accumulator compares the sample clock and desired frequency to increment a phase register. Again, the fundamental idea is that we can generate signals with precise frequencies by generating an appropriate sample based on the phase of that frequency at any point in time. In addition, by representing our waveform with 214 (16,384) points, we are able to represent exactly 16,384 phase increments with our lookup table.

Activator for siemens simatic from ru

本文详细介绍了基于正负序分离的PLL锁相环控制理论。(Synchronous Reference Frame PLL for Power Converters Control)