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On the Energy Detection of Unknown Signals Over Fading Channels
- On the Energy Detection of Unknown Signals Over Fading ChannelsAbstract—This letter addresses the problem of energy detection of an unknown signal over a multipath channel. It starts with the no-diversity case, and presents some alternative closed-fo
CMOS-Digital-Isolators-Provide-Data-Protection_WP
- The smart meter market is projected to grow by double digits over the next several years as consumers upgrade from traditional electromechanical meters. Smart meters use the latest integrated circuit (IC) technology to accurately measure and report t
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- HVDC stands for High Voltage Direct Current and is today a well-proven technology employed for power transmission all over the world. In total about 70,000 MW HVDC transmission capacity is installed in more than 90 projects. HVDC stands for High V
01668285_power-system
- Electrical power systems are one of the most complex large scale systems. Over the past decades, with deregulation and increasing demand in many countries, power systems have been operated in a stressed condition and subject to higher risks of
I07_97_P-518
- The main frequency is an important parameter of an electrical power system. The frequency can change over a small range due to generation-load mismatches. Some power system protection and control applications The paper presents a new method
BLDC-for-sensorless-control
- 无刷直流电动机利用电子换相代替机械换相,不但具有直流电动机的调速性能,而且体积小、效率高,在许多领域已得到了广泛应用。采用无位置传感器控制技术之后,不但克服了外置式位置传感器的诸多弊病,而且进一步拓宽了无刷直流电机的应用领域。目前,无刷直流电机无位置传感器控制已成为无刷直流电机控制技术的发展方向。 本文纵观了无刷直流电动机的兴起、发展与现状,概括了无刷直流电动机无位置传感器控制技术的现有水平及存在的问题,以研制、开发全直流变转速空调产品为依托,从理论和实践两个方面对这些问题展开了较为全面的研究和
IEEE-8023-2012
- IEEE 802.3 2012 标准,以太局域网络操作 1 Mb / s到100 Gb / s的采用通用的媒体访问控制(MAC)规范和管理信息库(MIB)。带有冲突检测(CSMA / CD)的载波侦听多路访问 MAC协议指定共享介质(半双工)的操作,以及全双工操作。速度具体媒体独立接口(MIIS)允许使用选定的物理层设备(PHY)工作在同轴电缆,双绞线或光纤电缆。系统注意事项多段共享接入网络描述使用被定义为中继器运行速度高达1000 Mb / s的。支持局域网(LAN)运行在所有速度