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非常好的PCB高级设计讲座，适合大多数工程师们参考学习.(Very good PCB advanced design lecture, suitable for most engineers to learn.)

说明：  风机并网模型的搭建对于研究双馈风机有所帮助仅供参考，学习(The construction of the wind turbine grid-connected model is helpful for studying the double-fed fan.)

eralng深度分析 1 eralng深度分析2 eralng深度分析3 eralng深度分析(eralng 0 eralng 1 eralng 2 eralng 3)

说明：  Fortran编程的边界元解决线性声辐射问题，含有编程方法和思路。(The boundary element method of FORTRAN programming is used to solve the problem of linear acoustic radiation.)

uch百科插件。跟互动百科类似。大家可以看看哦-uch。bucuodedediengege

梁可视为平面应力状态，先按图示尺寸划分为均匀的三角形网格，共有8×10＝80个单元，5×ll＝55个节点，坐标轴以及单元与节点的编号如图。将均布载荷分配到各相应节点上，把有约束的节点5l、52、53、54、55视作固定铰链，建立如图所示的离散化计算模型。(The beam can be regarded as a plane stress state. Firstly, the beam is divided into uniform triangular meshes according to the graphic size. There are 8*10=80 elements, 5*ll=55 nodes. The coordinate axis and the numbering of elements and nodes are shown in the figure. The uniform load is distributed to the corresponding nodes, and the constrained nodes 5l, 52, 53, 54 and 55 are regarded as fixed hinges. The discrete calculation model shown in the figure is established.)

OFDM系统的信道估计算法，导频设计~~~~~~~~~~~(OFDM System Channel Estimation Algorithm, Pilot Design)

说明：  VUE开发的一套，商城管理系统，有完善的功能(A set developed by Vue, mall management system, with perfect functions)

LDPC码的编解码程序，很好，对于学习LDPC编码的人来说很值得一看-LDPC codes codec procedures, very good for learning LDPC coding for those who are worth a visit

数据关联算法－PDA算法，能有效的跟踪目标-data association algorithm-PDA algorithm can effectively target tracking