photolithography

双馈变速恒频风力发电系统的空载并网控制策略(Doubly-fed VSCF wind power generation system of no-load and network control strategies)

介绍了变压器差动保护接线的问题，系统讲解了保护原理，解决方案以及效果等等。(jieshao le bianyaqi chadong baohu jiexian de wenti。xitong jiangjie le baohu yuanli，jiejue fang an yiji xiaoguo etc)

论文：MMC_HVDC系统数学模型及其控制策略。还不错。(The papers: MMC_HVDC system mathematical model and its control strategy. Pretty good.)

数据流图定义 DFD = Data Flow Diagram,数据流图 数据流图（Data Flow Diagram，DFD）是一种能全面地描述信息系统逻辑模型的主要工具，它可以用少...共20次编辑(Definition of data flow diagram DFD = Data Flow Diagram, data flow diagram data flow diagram (Data Flow Diagram, DFD) is an information system can fully describe a logical model of the main tools, which can be used 20 times less ... Edit)

通信中星座图的完整详细解释，里边包含具体的星座图由来以及具体的实现程序。(Constellation communication full explanation in detail, which include specific constellation diagram of origin as well as the concrete implementation process.)

图书管理系统 一些基本的功能： 1：添加图书以及图书编号 2：能够实行基本的借书还还书的功能。 3： 删除图书信息等 (Some of the basic functions of the library management system: a: ​ ​ Add Books and Book Number 2: the ability to implement basic library book functions. 3: Remove the book information)

说明：  用于全国电子设计大赛 备赛资料，ment of real-time displaying the position coord(The purpose of the design is to get a more precise hand-written drawing board. We connect the copper clad board with a constant current source and introduce eight precise resistors. When the touch pen touches any)

智能家居设计方案。主要有几个模块组成：门禁驱动，无线管理、QT图形界面(Intelligent home design.)

为了改善无刷直流电机的调速性能 ,针对普通模糊 P ID速度控制器的缺陷 ,研究了基于变论域思想的自适应模糊 P ID控制器及其在 BLDCM控制系统中的应用。(To improve the performance of brushless DC motor speed, the speed for ordinary fuzzy P ID controller defect of thought based on variable universe adaptive fuzzy P ID controller and its control system BLDCM.)

HART通用压力变送器的设计压力变送器采用的传感器通常需要不同电路与之配合使用，这就造成产品种类较多，不宜量产。一种崭新的设计思想，设计出的新型电路可以提供软件可控的恒压、恒流输出给传感器，并可以采集两路差分或四路单端输入信号。(HART universal pressure transmitter pressure transmitter used in the design of sensors usually used in conjunction with the different circuits, which result in more product categories, not mass production. A brand new design ideas, to design a new circuit can provide software controlled constant voltage, constant current output to the sensor and can capture two-way differential or four single-ended input signals.)