A new current detection method is introduced aimed at lower bridge arm modulation when motor is operating at six states.
针对三相六拍两两导通且下桥臂开关管调制方式提出了新型电流检测方案。
Voltage waves are deduces on lower bridge arm PWM modulation and theory of rotor position detection based on EMF is introduced.
分析了下桥臂调制方式下绕组端电压波形，并基于此介绍了反电势法检测转子位置原理。
Theoretically analyzed the cause of the non-conduction phase current with the PWM method of upper and lower bridge arm chopping by turns, and made some experiments to verify its validity.
结合上下桥臂轮流斩波PWM调制方式，从理论上分析了不导通相电流产生的原因，并进行了实验研究，表明不导通相电流的大小与不导通相的反电势大小有关。
She’s lived on a dock the size of two pool tables built into the lower lip of a bridge for 37 years.
她的栖身之地有两张台球桌大小，蜷缩在桥下一个凹陷之处，一住就是37年。
Each interface in a bridge could have a different speed and this value is used when deciding which link to use. Faster interfaces should have lower costs.
不同的接口和网桥可能有不同的速度，当选择链路时这个值将用做参考。快速的接口应该具有较小的代价。
You need to bridge the gap caused by your descent into the lower realms, and your loss of consciousness of your real selves.
你们需要缩小由于你们的下降进入较低领域，以及你们丧失你们的真实自我的意识而形成的差距。
It has two levels of access: one from the green pedestrian bridge that crosses the canal and the other from the lower road level that joins the quayside.
它有两个水平的入口：一个是穿越运河的绿色人行桥，另一个在与码头相交的较低道路上。
The analysis on reinforcement engineering of Wuzhou Yunlong Bridge indicates that placement layer by layer may effectively lower the Max.
分析了梧州云龙大桥加固工程，说明分层浇筑可以有效降低混凝土内部最高温升。
"A simple twist in the building's volume allows the bridge to lift from the lower forested area towards the south, up to the hillside area in the north," explained the architect.
“建筑体量发生简单扭转，使‘桥梁’从南向地势较低的丛林一侧向北部山丘的方向缓缓升高，恰好解决了两岸的高度差异问题。”建筑师表示。
Several Bridges can be monitored simultaneously by the cluster monitoring system of bridge, which can lower greatly the management cost and save the resource of labor force and material.
桥梁集群监测系统能够同时对辖区内多座桥梁的健康状态进行远程实时自动监测，极大地降低桥梁的管理费用，节约大量的人力和物力。
The light alloy bridge is 25 percent stiffer than traditional designs and the X rail has a 50 percent lower center of gravity for smooth, precise operation.
轻合金桥架，较传统设计刚性提高25％，X向导轨重心降低50％， 从而保证了平稳、精确的运动。
Today the more and more lifting equipment in middle or lower arch bridge are using pre-forced steel wring line and pre-forced anchor system.
目前，中(下)承式拱桥吊杆越来越多的采用预应力钢绞线和预应力群锚锚固体系。
When the thermal conductivity of insulation layer is lower than that of air, its performance is better than that of micro bridge structure.
当复合热释电薄膜红外探测器中绝热层的热导率低于空气的热导率时，它的绝热性能优于微桥结构。
It is possible that the first people crossed into Australia from Asia on a great land bridge when the water level of oceans was lower.
当时海洋水位较低，第一批亚洲进入澳大利亚的人可能是从一座巨大的陆地桥上过去的。
Pasting CFRP, the ultimate capacity of rc arch bridge of is lower than that of pasting steel plates.
粘贴碳纤维布加固与粘贴钢板加固相比，其承载能力提高量偏低。
The production scheduling system aimed at steel enterprise is a bridge between upper management and lower production.
本文所研究开发的钢铁企业生产调度系统，是企业上层管理与下层生产过程的重要桥梁。
It shows that the temperature on bridge deck pavement is a bit lower than that on the road pavement.
研究结果表明：桥面铺装的温度略低于路面温度。
The composites with lighter weight, higher strength, easier construction and lower cost has the better application prospect on quick strengthening bridge beam.
高强复合玻璃纤维材料具有自重轻、强度高、施工方便和造价低等许多优点，在桥梁快速加固工程中具有良好的应用前景。
The article introduces the overall idea, construction technology, construction difficulty and solving method to construct the lower pylon column for Haihe Bridge.
该文介绍了海河大桥下塔柱施工的总体思路、施工工艺、施工难点及解决办法。
The author believes that the interference level cau- sed by a semi-bridge connection is lower than that by a fully-bridged connection, and a semi-bridge wiring plan is better suited for strain tests.
对于桥路的选择作了分析，认为半桥连接比全桥连接的干扰电平低，建议在应变测试中采用半桥连接电路；
The paper introduced the characteristics of rigid frame arch bridge, by upper and lower structure calculation, proposed its compound-simple calculation.
介绍了刚架拱桥的特点并通过上、下部结构计算，提出了对拱腿水平力影响线图和斜撑水平力影响线图进行合成简化计算。
The bridge structure is formed by the inside and outside arc end carriage and the upper and lower retractable main girder, with compact structure, light weight and beautiful and dignified appearance.
内外弧形端梁与上下层伸缩式主梁构成的桥架结构紧凑，重量轻巧，美观实用。
In Lower Manhattan, new 20-story skyscrapers were ruining the view, blocking the elegant spires of Trinity Church and the swoops of the Brooklyn Bridge.
在下曼哈顿，20层的新摩天大楼正在破坏着天际线，将优雅的三一教堂的塔尖遮挡并从视觉上将布鲁克林桥拦腰斩断。
The emitters of the lower transistors of each bridge are connected together and the corresponding external terminal can be used for the connection of an external sensing resistor.
每个桥的射极连接在一起，相应的外部终端可用于连接外部的传感电阻器）。
It is possible that the first people crossed into Australia from Asia on a great land bridge when the water level of the oceans was lower.
因为当时海岸水位比较低，第一批从亚洲进入澳大利亚的人可能是从一座巨大的陆地桥上过去的。
PLC as a bridge between the PC and basic equipment about the twin-wire SAW, has chosen basic and special module for the lower machine designing.
PLC下位机作为PC上位机和双丝埋弧焊现场设备的桥梁，选取了基本模块和模拟量输入输出特殊模块。
Conventional static loading method for long piles adopted in Zhengzhou Road-rail Bridge on the alluvial plain in the middle and lower reaches of the Huanghe River was introduced.
介绍了处于黄河中下游冲积平原的郑州黄河公铁两用桥深长桩基承载力测试的传统静载荷试桩法。
Conventional static loading method for long piles adopted in Zhengzhou Road-rail Bridge on the alluvial plain in the middle and lower reaches of the Huanghe River was introduced.
介绍了处于黄河中下游冲积平原的郑州黄河公铁两用桥深长桩基承载力测试的传统静载荷试桩法。
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