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- effective phase difference 有效相位差
- 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.
- Polyethylene glycols can be used as effective phase transfer catalyst in halogen exchange fluorination. 聚乙二醇可作为卤素交换氟化反应有效的相转移催化剂。
- When positioning the beam on the opposite side of the boresight axis from the reference by the same amount, <0 (negative or effective phase lag). 当时波束指向与参考单元在视轴线的对侧时，则为一个等大的小于0的值（负值也就是有效相位滞后）。
- Affected by higher Rayleigh wave modes in the surface wave field,the effective phase velocity obtained by spectral analysis of surface waves(SASW. 由分层介质表面两不同点响应互谱分析(SASW)得到的有效相速度并不对应于面波基阶模态相速度,它与波场中高阶模态能量分配比例有关。
- 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。
- 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。
- An effective phase interpolation algorithm is introduced, in which sinusoidal model can analyze/synthesize speech signal precisely and effectively. 介绍了一种更有效的相位内插算法,使正弦模型能够精确而更有效地分析/综合语音信号。
- 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。
- 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。
- That's rather an effective use of color. 这种使用颜色的手法效果相当好。
- A novel method of phase difference estimation under Gaussian noise is proposed to improve the precision of Coriolis mass flowmeter. 为提高其精度,提出了一种高斯噪声背景下的科氏质量流量计相位差估计新方法。
- 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。
- Phase difference between the e.m.f. of an alternator taken as a reference and that of another alternator or that of an infinite bus. 作为参考的交流电机电动势与另一台交流电机或无限大母线电动势之间的相角差。
