bridge n. 1.桥,桥梁;【造船】舰桥,船桥。 2.鼻梁;(假牙上的)齿桥;【音乐】弦柱,弦马;【电学】电桥;【机械工程】天车,桥架;【台球】球棒架。 3.(文艺作品的)过渡性章节,过场;穿插,插曲。 a bridge of boats 船桥。 a bascule bridge 活动桥。 a suspension [wire] bridge 吊桥,悬索桥。 Wheatstone bridge 【物理学】惠斯登电桥。 throw a bridge across [over] a river 在河上架桥。 bridge of gold [silver] = golden [silver] bridge 退路,逃路,易于突破难关的办法。 burn one's bridges (behind one) 布背水阵,破釜沉舟。 Don't cross the bridge until you come to it. 不要杞人忧天,不要预先自寻苦恼。 in bridge 【物理学】并联;跨接;加分路。 vt. 1.在…之间架桥,搭桥于,用桥连接;【电学】跨接。 2.〔比喻〕越过,跨过 (over). The road bridges the river. 在河上架桥把路连接起来。 bridge over obstacles 越过障碍。 n. 【牌戏】桥牌战,打桥牌。 auction bridge 拍卖式桥牌。 contract bridge(打不到预定墩数要受罚的)合约式桥牌。
Mac information technology - telecommunications and information exchange between systems - local and metropolitan area networks - common specifications - part 5 : remote media access control bridging 信息技术.系统间电信和信息交换.局域网和城市网.常规规范.第5部分:远媒介通路控制桥
Information technology - telecommunications and information exchange between systems - local and metropolitan area networks - common specifications - part 3 : media access control bridges : amendment 2 - rapid reconfiguration 信息技术.系统间电信和信息交换.局域和城域网.通用规范.第3部分:媒体存取控制桥.修改件2 .快速再配置
Mac information technology - telecommunications and information exchange between systems - local and metropolitan area networks - technical reports and guidelines - media access control bridging of ethernet v2 . 0 in local area networks 信息技术.系统间通信和信息交换.局域网和都市网.技术报告和指南.局域网的v2 . 0以太网介质存取控制
Then the theory of generator of triggering pulse for three - phase fully - controlled bridge is analyzed , and the method of implementing generator of pulse using vhdl language is put forward . the simulation result is given also 同时还对三相全控桥的触发脉冲产生原理进行分析,提出了利用vhdl语言进行实现的方法,给出了仿真结果。
Information technology - telecommunications and information exchange between systems - local and metropolitan area networks - technical reports and guidelines - part 5 : media access control bridging of ethernet v2 . 0 in local area networks 信息技术.系统间的通讯和信息交换.技术报告和导则.局域网和城市网.在ieee 802局域网中v2 . 0以太网的媒体通道控制电桥
The device mainly consists of integrated phase - shift trigger unit , detection unit , amplification and impedance conversion unit , the smallest excitation limitation unit , reactive regulation unit and three - phase controlled bridge rectifier 本装置主要包括集成移相触发单元、检测单元、放大及阻抗变换单元、最小励磁限制单元、无功调查单元和三相全控桥。
Small signal model of one cycle controlled bridge switching power amplifier is established . the theory research results of one cycle controlled switching power amplifier show that the output signal follow the input signal linearly , and the control performance is decided by output filter 理论分析结果表明,单周控制开关功率放大器的输出信号与输入信号成线性变化关系,其控制性能由输出滤波器决定。
Second , the results of theory analysis and simulation research show that the output of one cycle controlled bridge switching power amplifier have dc offset because of the nonideal characteristic of reset signal . the magnitude of output dc offset voltage is proportional to width of reset pulse . a voltage compensation technique is used to solve this question , and the computation formula of compensation voltage is gived . the circuit compensated and not are researched through simulation and experiment , which results show that compensated circuit solve the output dc offset effectively 其次,理论分析和仿真研究结果表明,由于复位脉冲的非理想特性,单周控制的全桥开关功率放大器输出端存在直流偏置问题,其大小与复位脉冲的宽度成正比。针对输出直流偏置问题,提出了电压补偿的改进方案,给出了补偿电压的具体计算公式。对补偿前和补偿后的方案进行了对比仿真研究和实验研究。
This article analyzed the three - phase full - controlled bridge commuted circuit 、 the three - phase half - controlled bridge commuted circuit and the harmonic occurred by the two circuits . through the analysis to the relative merits of the passive filter and active filter , a new applied harmonic current compensation device was presented in this article 三相整流装置是广元电力网两大谐波源之一,本文详细地分析了三相全控、半控桥式整流电路及其产生的谐波,在此基础上,对其谐波的抑制进行了探讨。
At last , control circuit of one cycle controlled bridge switching power amplifier is improved with the basic idea of one cycle control . the simulation results show that the amplifier of improved control circuit not only solve the question of output dc offset , but also keep the voltage gain lowered by voltage compensation technique 最后,根据单周控制的基本思路,改进了单周控制的全桥开关功率放大器的控制电路。仿真结果表明,改进控制电路后的系统不但解决了输出直流偏置问题,而且解决了电压补偿方法所造成的放大器增益下降问题。