DIANSAI

实用开关电源设计 实验电源 交流电源 直流电源(Practical switching power supply design experimental power AC power DC power supply)

用 Farrow 结构滤波器对并行采样信号进行时间误差校正, 通过 DSPBuilder 软件将设计的滤波器模型转化为硬 件语言, 利于 FPGA 实现(The Farrow filter is used to correct the time error of the parallel sampling signal, and the designed filter model is converted to hard by DSPBuilder software Language, conducive to the realization of FPGA )

WPC协议规定的无线充电的基本原理与设计规范，是对无线电力传输爱好者的必备资料(WPC agreement provides for the basic principles of wireless charging and design specifications, is essential for wireless power transmission enthusiasts information)

常见的SCPI错误, 在使用支持SCPI指令集的可编程仪器时特别有用(COMMON ERROR OF SCPI,It s useful for program instrument which support scpi)

( 从太原市公交查询系统建立的必要性出发, 进行了公交查询算法的研究, 主要探讨了包括最短路径查 询及最少花费查询及数据库管理的公交查询系统的实现。 该系统采用了V ISU AL BA S IC 610 为开发工具, M ICRO SO FT A CCESS2003 为后台数据库, 开发了基于太原市公交线路的公交查询系统。具有线路查询、换乘 查询、 站点查询、 数据管理等一系列功能。 ((From the city bus system the need for inquiry, carrying out a public inquiry method of research, focused on the shortest path, including at least inquiries and inquiries and database management to spend the public inquiries system. The system uses a V ISU AL BA S IC 610 for the development of tools, M ICRO SO FT A CCESS2003 as the background database, developed based on the city' s public transportation bus lines inquiry system. with line inquiries, transfer information, site information, a series of functions such as data management.)

超声波测距避障系统，实现机器人的智能化测距(Ultrasonic ranging obstacle avoidance system, realize the intellectualized ranging robot )

本文介绍了一种采用Altera 公司的FFT MegaCore 实现快速傅里叶变换的方法，该方法非常简单，能进一层次简化开发的流程，缩短工程开发周期，节约成本，因此在实际工程中是一种很好的应用。(This paper describes a use of Altera s FFT MegaCore fast Fourier transform method, the method is very simple and can develop into a hierarchy to simplify processes, shorten the project development cycle, cost savings, and therefore is a practical engineering good application.)

基于U-BOOT的S3C44B0引导装载程序的设计与实现(Design and implementation of bootloader about S3C44B0 based on U-BOOT)

Au6331 SD卡读卡器设计 Au6331 SD卡读卡器设计( SD card design)

ABB变频器的资料，是ＡＣＳ８００的，非常实用，在工控调速领域都能用上．(ABB Inverter information ACS800 very practical in the field of industrial control speed can use.)