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.
然而，即使PLL 100处于锁定模式，过程失配和其他因素也可能引起RCLK相位和FCLK相位之间小的相位差。
However, process mismatches and other factors can cause a small phase difference between the phase of RCLK and the phase of FCLK even when PLL 100 is lock mode.
本发明提供一种具有透明性、耐热性和高相位差性能并且以丙烯酸类聚合物作为主成分的相位差膜。
Disclosed is a retardation film mainly composed of an acrylic polymer having transparency, heat resistance and high retardation property.
本发明提供一种具有透明性、耐热性和高相位差性能并且以丙烯酸类聚合物作为主成分的相位差膜。
Disclosed is a retardation film mainly composed of an acrylic polymer having transparency, heat resistance and high retardation property.
应用推荐