Finite element and ANSYS.rar, is to study the basis of ANSYS

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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

Huffman树的创建算法与实现；Huffman编码算法的实现-Huffman tree algorithm for the creation and implementation; Huffman coding algorithm implementation

将dxf转化tab文档-will dxf file conversion tab

ECMA 376，第二版，第 1 部分-基础知识和标记语言参考

The Sniffer s Guide to Raw Traffic

三维图形的旋转 三维图形的旋转-rotating 3D graphics 3D graphics rotating 3D graphics rotation

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一位全减器的ＶＨＤＬ的设计报告，里面包含完整的程序-a reduction of the entire VHDL design report, which contains a complete procedures

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