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- phase difference tracking 相位差跟踪
- A frequency tracking method is proposed.The synchronism sampling is achieved to improve the measuring precision of frequency and phase difference. 本文提出一种频率跟踪方法，可以在不过零开始采样的情况下，实现整周期采样，保证频率和相位差测量的精度。
- By experiments it is proved that the infection of temperature change to USM can be compensated by tracking phase difference, which makes motor run on initial setting point. 实验证明通过跟踪电机工作时电压电流的相位差，可以补偿电机本身特性和温度变化等对电机运行的影响，使电机运行在初始设定工作状态，提高电机的输出效率。
- The phase difference between the two sources is gradually drifting with time. 两个源的位相差随时间逐渐移动。
- In practice there are three methods of accomplishing this phase difference. 在实践中有三种方法来获得相位差。
- Research on Subdividing Method for Random Phase Difference Fringe Signals[J]. 引用该论文 楚兴春;吕海宝;杜列波;周卫红.
- "What?" He had been on quite a different track, no credit to his willful mind. “什么？”他固执的思想又开始走神了，一时没有反应过来。
- For the nonproportional loading the dispersion become larger with the phase difference increasing. 在非比例加载条件下，随著相位差的增大，分散性增大。
- How to measure phase difference quickly is a main research topic on scientific research in production. 如何快速准确地测量出相位差也是生产科研中重要的研究课题。
- For sinusoidal waveforms, it is equal to the cosine of the angle of phase difference between voltage and current. 对于正弦波来说，功率因子等于电压、电流位相差的余弦。
- This movie demonstrates the phase difference and the amplitude decay of the E and H field in freespace. 本影片可看出真空中电场和磁场之间的相位差和振幅衰减的现象。
- In this paper difference equation of motion fr om one point to another point on the earth is derived from the geodesic equation on the earth and spherical trigonometry formulas. Some difference track formul as of a maneuvering object are also given. 以大地椭球三角形模型为基础 ,利用地球表面二点间最短路径的大地线方程和球面三角形的有关公式 ,建立了由地球表面一点运动到另一点的差分运动方程 ,同时也给出了在进行航向机动时的差分运动轨迹。
- Then the ADAS system is introduced in this dissertation, including the hardware environment & the switching between different tracking modes. 随后本文对ADAS(遥测跟踪接收系统)的总体进行了简单介绍,并针对整个信号跟踪控制系统包括自动和手动跟踪部分以及各功能之间的切换做了重点介绍。
- Phase difference between the terminal voltage of an alternator and its electromotive force. 交流电机的端电压和其电动势之间的相角差。
- In the processing, InSAR technique can be used to estimate the phase difference of the images. 利用该频谱偏移进行频谱合成形成较宽的距离向频谱及方位向频谱，从而提高系统的距离向分辨力及方位向分辨力。
- Do you flip the switch that will steer the trolley onto a different track if that means only one person will die? 如果扳动开关让电车开到另一条轨道上去只会死一个人，你会去扳开关吗？
- A phase difference of 90°may therefore be obtained by means of two successive total reflections at either of these angles. 所以，如果在其中某一角度接连全反射两次，则可获得90°的相位差。
- But with the differing track conditions, I was struggling a bit with the balance of the car which meant that we could not make the most of it. 但是赛道出现一些不同的状况以后，我为赛车的平衡倍感挣扎，这使得我们无法获得最理想的成绩。”
- The presence of stray light is indicated by the absence of complete extinction when the phase difference is such that this should be achieved. 若位差达到应当消光的程度，却未能完全消光即表示有杂散光存在。
- The LCD unit also pre-stores 3 different type of ESC setting, so you can easily load your favourite setting to suit different track condition. 液晶显示器股也前店3种不同类型的人事编制小组委员会的设置，这样您可以轻松地载入您最喜爱的设置，以适应不同轨道的条件。
