第三次展示-宽带信号波束形成

推箱子来源于日本游戏，最初是DOS下的，现在由作者升级成WINDOWS版本。希望大家喜欢。-game magazines from Japan, initially under the DOS, and now from the author escalated into Windows version. Hope you like them.

说明：  本地直接播放! 可控制 快进全屏功能都有(Local direct play! Controllable fast-forward full-screen features are available)

说明：  dvp plc to yeskawa vfd commnicaton

一个小程序， 大家看看吧-a small program, we look at it

一本非常实用的matlab关于振动信号分析的书籍，有利于初学者学习和使用(A very practical matlab books on vibration signal analysis, is conducive to beginners to learn and use)

本文首先概述了OFDM 的原理、特征和关键技术，介绍了系统需要的几种同步。然后就同步误差对系统性能的影响进行了简单的分析，表明定时偏差和采样频率偏差将会引入码间干扰，载波频率偏差导致载波间干扰的发生。因此，在OFDM系统接收机中定时的确定、载波频率偏差和采样频率偏差的纠正是信号恢复的关键。之后对OFDM系统同步的几种实现方法进行了介绍，分析了各同步方法的性能。-The paper first outlines the principles of OFDM, features and key technologies, the system needs to introduce several synchronization. Synchronization error and then the impact on system performance for a simple analysis, show that the timing deviation and the sampling frequency deviation will introduce inter-symbol interference, the carrier frequency deviation led to the occurrence of ICI. Therefore, in OFDM system receiver to determine the timing, carrier frequency offset and sampling frequency offset correction signal to restore the key. After the OFDM system to achieve synchronization of several methods of introduction, an analysis of the performance of the synchronization method.

cyclic coding powerpoint

说明：  可以根据风速风向数据绘制风场在不同方向上的分布情况(Distribution of wind field in different directions can be plotted based on wind speed and direction data.)

thax for all...thax very much-thax for all...thax very much...

通过按键控制舵机转动精确到一度，利用角度传感器反馈，角度显示在LCD1602上(The steering gear is controlled to one degree by keys, and the angle is displayed on LCD1602 by feedback from angle sensor.)