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finite difference time domain 3d code pec BC

仿真GPS接收机中的锁频环功能，与硬件设计十分相似，稍作改动即可实现锁相环功能(Simulation of GPS receiver in frequency-locked loop functions, and hardware design is very similar, minor modifications to achieve phase-locked loop function)

The AB9540 and AB8540 GPIO support are extended versions of the AB8500 GPIO support.

该程序设计了一种分数阶tid控制器，能有效弥补常规tid控制器所无法实现的目的，多两个可调参数就多了控制系数，功能更有效，性能更稳定。(The program design of a fractional tid controller can compensate for conventional tid controller can not achieve the purpose, more than two adjustable parameters, the more the control coefficient, more effective and more stable performance.)

说明：  关于数值分析的matlab代码，十分有用(On the numerical analysis matlab code, very useful)

Fundamentals of electromagnetics with matlab for higher research

Realtime Visualisation of data converted by AD7787 chip and transmitted through pic microcontroller

这是水平地震作用下的加速度反应谱曲线生成方法，请大家看看(Acceleration response spectrum curve)

相似度评估算法。Earth Movers Distance (EMD).(similarity assessment algorithm. Earth Movers Distance (EMD).)

说明：  讲述了基于人体关节点的步态识别技术。步态识别是指根据人走路的姿势及动力学特征来识别人的身份，包括人体运动目标检测、特征提取和分类识别三个过程。本文在对各种步态识别算法进行了详细研究的基础上，对核心环节暨特征提取过程进行了主要研究，提出了相应的新的改进算法。(Gait recognition is defined to identify the identity of the person as the way peoplewalk and kinetic characteristics.It includes moving target detection,featureextraction ,classification and recognition.Based on the study of the various of gaitrecognition algorithms, main research about the key stage- feature extraction has beendone and a new algorithm has been proposed in this paper. )