矢量网络分析仪的基本原理

Write.Clean.Code这份电子书籍由PC Home俱乐部、C++ Bulider讨论区数位网友分别整理完成，基本上完全按照所据译本原貌，极少数文字为通顺起见稍作修改(Write.Clean.Code this e-book from the PC Home Club, C++ Bulider Forum completed several friends were finishing, basically in accordance with the original translation, according to a handful of slightly modified text for the sake of smooth)

比较接近实际硬件的IGBT 模型，可以做个参考(IGBT model approaching to actual hardware )

说明：  wireless charging source code.

说明：  微带滤波器设计，包括低通、带通和高通三型滤波器参数设计，能够设置频率范围，自动生成滤波器参数。(Microstrip filter design, including low-pass, band-pass and high pass filter parameter design, can set the frequency range, automatically generate filter parameters.)

《电路设计技术与技巧(英文第三版)》 内容详细，实用(Circuit Design Techniques and Skills (English Third Edition))

wireless charging source code.

A4988步进电机的驱动程序，使用STM32F407单片机驱动(A4988 stepper motor driver)

软件测试及测试工具讲座，详细讲解多种测试工具及软件测试相关流程。(Software testing and testing tools lectures, elaborate on a variety of test tools and software testing-related processes.)

关于c#软件设计模式的适配器模式 对于c#的高级编程很有帮助(On c# Software design patterns adapter mode c# Helpful high-level programming)

C#+Excel表的导入导出 首先，我们先说下Excel的导入：Excel导入分为3个步骤，1、获取.xls文件的路径（即选择目标文件）(C#+ Excel table import and export first, let' s say that under the import of Excel: Excel import is divided into three steps, 1, to obtain. Xls file path (ie, select the target file))