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学术论文 基于ARMLinux嵌入式电能质量监测仪的研究与设计
大量的电力电子装置及非线性负荷在电力系统中广泛的应用，使电能质量(Power Quality)问题日益突出。电能质量问题不仅危害电力系统本身的安全及电网的稳定运行，对系统中用户也造成严重威胁。因此，对电能质量的实时监测具有十分重要的意义。 论文首先介绍了电能质量的概念，分析了国内外电能质量监测的研究现状及开发新型电 ...
模拟电子 什么时候校准是重要的
Abstract: Perfection is relative and application specific. The perfect race car is not the car we use to commute to work.
We need products for everyday use that are high quality, affordable, and solidly reliable. There will be times when we
must use components that are not perfect, and this is when ...
模拟电子 Analog Circuit Design in Porta
•Founded in Jan. 08, 2001 in Shanghai, China.•Fabless IDH focused on Analog & Mixed Signal Chip design & marketing •Over 100 IC introduced.•Over 200 OEM Customer worldwide•ISO-9000 Certified•Distribution Channel in Taiwan, China & Japan
To achieve 100% customer sa ...
模拟电子 Active Filters
Power conversion by virtue of its basic role produces harmonics due to theslicing of either voltages or currents. To a large extent the pollution in theutility supply and the deterioration of the power quality has been generatedor created by non-linear converters. It is therefore ironic that power c ...
电源技术 DN445微型模块LED驱动器
 
Once relegated to the hinterlands of low cost indicatorlights, the LED is again in the spotlight of the lightingworld. LED lighting is now ubiquitous, from car headlightsto USB-powered lava lamps. Car headlights exemplifyapplications that capitalize on the LED’s clear advantages&mda ...
电源技术 Power Quality and Energy Manag
International reference list 02/2004International referenceJ.JaatinenCompany CountryBerlin GermanyDeutsche Flugsicherung GermanyFrankfurt GermanyGuangzhou ChinaHamburg GermanyHelsinki-Vantaa FinlandKuala Lumpur - Sepang MalaysiaZürich Switzerland
单片机编程 MAX7456在可视倒车雷达中的应用
为解决传统可视倒车雷达视频字符叠加器结构复杂，可靠性差，成本高昂等问题，在可视倒车雷达设计中采用视频字符发生器芯片MAX7456。该芯片集成了所有用于产生用户定义OSD，并将其插入视频信号中所需的全部功能，仅需少量的外围阻容元件即可正常工作。给出了以MAX7456为核心的可视倒车雷达的软、硬件实现方案及设计实例。该 ...
单片机编程 MT8870D DTMF解码芯片
Features• Complete DTMF Receiver• Low power consumption• Internal gain setting amplifier• Adjustable guard time• Central office quality• Power-down mode• Inhibit mode• Backward compatible withMT8870C/MT8870C-1Applications• Receiver system for Bri ...
教程资料 WP196-平面显示器中的Xilinx器件
 
According to CIBC World Markets, Equity Research, theFlat Panel Display (FPD) industry has achieved sufficientcritical mass for its growth to explode. Thus, it can nowattract the right blend of capital investments and R&Dresources to drive technical innovation toward continuousimprovement ...
开发工具 PCB设计软件ExpressPCB 下载
ExpressPCB 是一款免费的PCB设计软件，简单实使。可以画双层板。
Our Free PCB software is a snap to learn and use. For the first time, designing circuit boards is simple for the beginner and efficient for the professional.
 
Our board manufacturing service makes top quality two and four lay ...