SHA加密算法是目前广为应用的重要加密方法之一。而SHA

本人正需要用MSP430F149实现多种滤波功能。这是一些参考资料和程序代码，均为txt文档，希望有共同爱好者可以参看。-I now need to achieve a variety of filtering MSP430F149. These are reference materials and program code, both txt document, want to have a common fans can see.

我们几个不懈的努力，终于编程了一种c++语言，提供给广大朋友，用于多边形的填充c++代码，具有较大的实用性，可以为同学们减轻一定的压力，同时为这门课程的发展贡献自己的一份力量。

ISO/IEC 14496-10 OLD MPEG4标准-ISO/IEC 14496-10 standard MPEG4 OLD

这是一个如何把Excel文件转换成mdb数据库的vb小程序。-This is how an Excel document conversion into mdb database vb small programs.

单片机初学者40例必做实验，对于初学者学习单片机有很大的提高-40 cases of single-chip beginners must do the experiment, for beginners to learn Singlechip have greatly improved

读写ini格式的配置文件-literacy ini format configuration file

matlab的第一章节学习手册,本人觉得不错,特让大家分享-Matlab the first chapters learning manuals, I think it"s good, so special to share

学防火墙必知的几个概念,大家看看吧，是word文档。-Firewall must learn to know a few concepts, let us look at it is the word document.

经过分割处理过的SAR图像的伪彩色显示，位于广东省。-After segmentation of SAR images processed pseudo-color display, located in Guangdong Province.

离散Fourier变换（简称DFT）为离散信号的分析从理论上提供了变换工具，但由于计算时间较长而难以实现，快速Fourier变换（简称FFT）则是一种减少计算时间的有效算法。本文在对DFT计算量进行分析的基础上指出了FFT的实现途径与计算方法，针对FFT算法进行了程序设计并给出了应用实例。-Discrete Fourier transform (referred to as DFT) analysis for discrete signal theory provides a transform tool, but due to a computational time and difficult to realize, fast Fourier transform (the FFT) is a reduction in the effective algorithm to calculate time. In this paper, DFT calculation was carried out on the basis of the analysis points out the ways and realize the FFT calculation of FFT algorithm for program design and application examples are given.