本压缩包里面是描述硬盘坏道修复的源程序程序

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EMD的经典文章，是了解使用hht的必备文章，能够让大家清楚认识EMD-EMD classic article, is to understand the essential use hht article, so that we can clearly understand EMD

计算机组成原理实验报告-Principles of Computer Organization Experimental Report

ANSYS单元翻译，希望对初学者有所帮助，比较基础-ANSYS unit of translation, and they hope to be helpful to beginners, basis of comparison

CORDIC算法的过程讲解文档比较详细，可以参看-CORDIC-jd

介绍光子晶体产生的背景，发展近况以及展望-Introduce the background photonic crystal, the latest development and prospects

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采样率小于一个连续时间信号最大频率的2倍时就叫undersampling，欠采样，根据抽样定理，当fs>=2fmax，也就是oversampling，过采样时，数字信号才能重建成原来的模拟信号，欠采样重建会发生混叠-Sampling rate of a continuous-time signal is less than the maximum frequency of 2 times is called undersampling, bandpass sampling, according to sampling theorem, when fs

一个简单的动网格事例,该程序用MATLAB语言编写.-a simple moving mesh example, the procedures used MATLAB language.

空气湿度报警器，顾名思义，是用来测量空气中的湿度的仪器，他通过一个湿敏电容和一个频率输出电路对空气湿度进行检测，把湿度变化转变成频率输出。再通过单片机把输入的频率转化为湿度百分值并通过LCD显示出来，使人可以通过显示清楚地看到空气的相对湿度。在单片机编程时可以预先设定一个限定值，当环境湿度达到设定的湿度值时电路报警，同时发光二极管变亮，达到湿度报警的目的。-Air humidity alarm, as the name implies, is used to measure humidity in the air apparatus, he humidity through a capacitor and a frequency output circuit for detection of air humidity, the humidity changes in the frequency of the output into. Through the single-chip frequency of the input into a percentile and humidity through the LCD display, one can clearly see through the display of the relative humidity of air. Single-chip can be programmed in advance to set a limit value, when the environmental humidity to achieve set alarm circuit humidity values, while LED light changes to achieve the purpose of humidity alarm.