电路

In this paper , a kind of new type automatic idle energy saving unit is designed with time base circuit .

提出了一种采用时基电路的新型空载节电装置，并给出了电路参数和应用实例。

For the purpose of real-time position inspection of components with large curved metallic surfaces by using a flat flexible eddy current sensor array,the measurement technology is investigated and the testing method based on time division multiplexing technology is introduced for the eddy current array.

采用一种基于时分多路的电涡流阵列测试的方法，通过对传感器探头和测试电路的合理设计，使系统电路得到简化，减小阵列单元之间的串扰，提高传感器系统的测试性能，实现了电涡流传感器阵列的快速、高精度测量

The paper reviews the phylogeny of the LCD, describes the recent development situation of LCD-TV and several authority investigation institution do its prospective forcast. The research of the switching power supply, future development t rend is given in the paper. Outlines of LCD-TV technology, introduce the sort of topological structure. The BUCK type converter topological structure and the systematical basictheory were put emphasis on; the PFC, the reasons of power factor simply and the core of L6562 were analyzed, emphatically on the application circuit of this core, and account the design parameter of the application circuit. The sort and control mode of PWM, the control core of UC3846 and OB2262 were explained, the application circuit of this core were specific analyzed, practice picture in the real circuit uses oscilloscope were educed and contrastive analysis in this research.

本文回顾了LCD的发展史，介绍了LCD-TV发展的近况和一些权威调查机构对其未来的预测；对开关电源的研究概况和它的发展趋势作了总结；总体介绍了LCD-TV电源的结构及工作原理、拓扑结构的分类，着重研究了BUCK型变换器的拓扑结构及工作原理；对PFC作了综述，研究了功率因数降低的原因，重点介绍了L6562芯片，对此芯片的应用电路作了具体分析，并对芯片外围的设计参数作了分析研究；研究了PWM的分类和控制模式，对控制芯片UC3846和OB2262分别进行了重点说明，详细研究了基于UC3846的PWM设计，用示波器对其实际电路进行了抓图，并对比分析实际波形。

Based on the analysis of the mathematics models of saturation steam density and superheat steam density the paper states that the deviation of the detection on temperature highly affects the accuracy of intelligent flow totalizer.

文摘：在分析饱和蒸汽和过热蒸汽密度的数学模型的基础上指出，温度检测的偏差对智能流量积算仪的精度影响极大，尤其是饱和蒸汽，测温电路的精度应设计为远高于仪表的精度，同时引入一种基于比率法的高精度测温电路。

Optimization of transconductance pair and proper DC bias of input stage are key problems in the design.

本文中对前级电路加以改进，实现了混频器输入级的直流偏置，完成了电路的设计和仿真。

It analyses the systematic current frame, and the method of function transformation.

本文介绍一种基于函数变换思想的大屏幕显示电路，分析了系统实现的电路框图和函数变换的思想方法。

This paper introduces the difficult assistant teaching software of circuit and its application in the transient state analysis of second-order linear dynamic circuit.

介绍了电路疑难辅助教学软件，并对其在二阶线性动态电路暂态分析中的应用进行了阐述。

The technology principle and circuit realization are introduced for pulse signal transmission through single cable .

介绍了用单芯电缆传输脉冲信号的技术原理和电路实现，分析了实现电路的耐压性能和传输性能。

In addition, it doesn't need truth table and fault table, so it can be applied to large circuits.

此外，在生成电路的错误定位树时不需要生成真值表和错误表，从而节省了大量的存储空间，所以能应用于大型的电路。

On one hand, many conventional methods, such as truth table and canonical sum-of-products, are insufficient to represent Boolean Functions ; On the other hand, advances in VLSI technology still continue to increase its complexity.

此外，高性能VLSI系统发展迅速，为了保证系统正确可靠的运行，电路的时间特性对电路的逻辑功能的影响越来越受到人们的重视。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了