相位和相位差(Phase and Phase difference) 0 2.4.1 正弦量的三要素 第 2 章 相位差 相位差 1 m1 1 sin i I t 相位差： 2 1 2 1 ...
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相位差放大技术(PDA)是干涉测量领域里一种提高相位分辨率和测量精度的手段。
Phase difference amplification (PDA) was proposed as a means of improving phase resolution and accuracy in interferometric measurement.
介绍了一台自制的利用相位差法测量光速的仪器的基本原理和方法，并通过对光在空气中的传播速度的测定，使大家对用相位变化测量光速仪器有所了解。
This article introduced the basic theory and method of measuring the velocity of light using the method of phase difference and how to measure the velocity of light using phase difference in air.
伪随机三频波激电法能够计算三个幅频率和三个相对相位差，相对相位差能够很大程度上区分金属矿勘探中的碳质层。
The three breadth frequencies and three relative phase differences can be measured with the pseudo-random tripe-frequency IP method.
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