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- square wave back edge 方波后沿
- A saw that is reinforced by a metal band along its back edge. 脊锯一种沿其后部边缘被金属环加固的锯
- Detecting back EMF is one of the most important methods for the detection of rotor position in square wave current drive BLDCM sensorless control. 方波电流驱动的BLDC电机无位置传感器控制检测转子位置的最重要方法是反电动势检测法。
- Excellent staable are from Ac square wave, avoid high frequency hazard. 交流方波自稳弧性能优异,免除高频危害。
- The concept of square wave and EFT drive unit are introduced in this paper. 本文介绍方波信号发生器及场效应管驱动器的原理与设计。
- When the square wave signal pass the LPF,we can get the sine signal. 经过分析可知,检测过程中的低通滤波器对检测的精度和速度有重要影响。
- The people on the bus waved and we waved back. 公共汽车上的人挥手致意，我们也向他们挥手。
- Introduce the principle of MOSFET AC square wave inverter power source. 介绍了MOSFET交流方波逆变电源的工作原理。
- Hello! That dreadful boy, he waved back. 乔：喂！你好！真可怕！那个男孩子招手了。
- The barman waved back deprecatingly. 有人在敲门。
- Square waves, like sine waves, are periodic. 方波如正弦波一样是周期性的。
- In saber fencing, a hit may be made with the point ' the cutting edge, or the forward third of the back edge. 在佩剑比赛中，可用剑尖，可劈砍的一侧或用另一侧的前三分之一部分攻击对方。
- The people on the bus waved and I we waved back. 公共汽车上的人挥手致意，我们也向他们挥手。
- In saber fencing,a hit may be made with the point'the cutting edge,or the forward third of the back edge. 在佩剑比赛中，可用剑尖，可劈砍的一侧或用另一侧的前三分之一部分攻击对方。
- Fanning Expansion of an offset press sheet across the back edge as it hoes through the press impression. 扇形张开柯氏印刷的纸张,经过压印后,值位向左右伸长的情况。
- As an example of the technique, let's compute the Fourier series which corresponds to a square wave. 作为这种方法的一个例子，让我们计算一个方波的傅里叶级数。
- Fanning: Expansion of an offset press sheet across the back edge as it hoes through the press impression. 扇形张开:柯氏印刷的纸张，经过压印后，值位向左右伸长的情况。
- For sine wave, triangle wave, and square wave, the good performance of current output is proved by experiments. 经过实验验证,对于正弦波、三角波和方波,负载输出电流波形跟踪良好。
- The signal thus received will no longer look like a square wave but will be distorted in shape and spread out in time. 这样收到的信号看起来不再象矩形波,而是受到畸变,并且持续时间延长了。
- Internal Reinforcement- The leading and back edge of door are internally reinforced with tubular steel to strengthen the door panel. 内加强件:门板的两侧边有钢管在内进行加固。
