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三维建模软件CosmoWorld的教程，功能比较强大。(Three-dimensional modeling software tutorial CosmoWorld, more powerful features.)

通过插图详细解说了用modelsim仿真VHDL程序的过程，适于初学者。(Through the illustrations a detailed explanation of VHDL using modelsim simulation course of the proceedings, suitable for beginners.)

康老师模电全套课件，是学习模电的好资料，希望能给需要的人帮助(Kang teacher-mode full courseware, learning good information-mode, hoping to give those who need help)

详细介绍了组合导航系统，主要以惯导系统为主，结合卡尔曼滤波算法设计系统(The integrated navigation system is introduced in detail, which is mainly based on inertial navigation system and combined with Calman filter algorithm design system.)

说明：  IDL可视化分析与应用（随书程序） 西北工业大学出版 (IDL and application of visual analysis)

GSM Applications with Integrated GPS Receiver Siemens Cellular Engine XT65/XT75

51单片机C语言学习杂记!里面有作者的经验之谈!(51 microcontroller C language learning miscellanies! Inside the author explains!)

Albero construction c++

超声变幅杆原理和设计,详细介绍了超声变幅杆的原理及设计，pdf电子书籍(the pricinple and design of the ultrasonic horn)

关于最新的边界元快速算法的专著，提出了一种代数方法来加快边界元方程组的求解。值得一看。(Boundary Element Methods (BEM) play an important role in modern numer- ical computations in the applied and engineering sciences. Such algorithms are often more convenient than the traditional Finite Element Method (FEM), since the corresponding equations are formulated on the boundary, and, there- fore, a signifi cant reduction of dimensionality takes place. Especially when the physical description of the problem leads to an unbounded domain, traditional methods like FEM become unalluring)