The equations can be used to study both interactions of fixed-phase and random-phase gravity wave packets.
这组方程是研究固定相位和随机相位重力波相互作用问题的出发点。
Phase-matched filter is applied to extract phase of fundamental surface wave, and then time-variable filter is used to correct amplitude spectrum in order to isolate fundamental mode signs.
使用相匹配滤波技术提取基阶面波振型的相位，然后再利用时变滤波进行振幅谱校正，以此分离出基阶振型面波信号。
Based on the algorithm, the value of transient Reyleigh wave phase velocity is closer to true wave velocity, so the resolving rate and the definition of the phase velocity are improved.
根据以上算法求得的相速度更接近瑞利波真速度，从而提高了相速度的分辨率和精确度。
The phase conjugate reflectivity of four-wave mixing was measured to be higher than 900%; The temperature enhancement of phase conjugation was studied.
它的四波混频相位共轭反射率高达900％以上，且具有相位共轭波温度增强效应。
Phase shifter is a commonly-used component in microwave system. Its function is to make the passed electromagnetic wave phase shift, so it's very useful on the phase control and power synthesis area.
相移器是微波系统中的常用元件，它的作用是使通过的电磁波产生一定的相位移，因此它在微波相位控制和功率合成方面具有重要意义。
It produces two channels sine signals of which phase difference is adjustable to simulate the CMF sensor output with good wave outputting and high precise phase difference approved by test.
该种信号发生器主要用于模拟科氏质量流量计传感器产生两路相位差可调的正弦信号，测试表明：其输出波形好，相位差精度高。
It consists of three-phase or single-phase AC voltage by the step-down and full-wave rectifier (or rectifier bridge) has been, no regulator and ping-wave large enough to require power.
它由三相或单相交流电压经降压和全波整流(或桥式整流)得到，无稳压及平波要求功率要足够大。
Phase retrieval refers to the use of direct measurement of intensity distribution to restore the phase and then reconstruct the wave function.
相位恢复是指利用直接测量得到的强度分布恢复相位从而重建波函数。
The variation behavior of phase retardation of wave-plate with temperature was introduced, and the electro-optic modulation method was put forward to measure the phase retardation.
介绍了波片的相位延迟量随温度的变化行为，并提出一种测量相位延迟量的方法。
The testing of transmission speed of sonic wave in the gas-liquid two-phase flow indicates that Wood formula can be used to calculate the transmission speed of sonic wave in the two-phase flow.
通过声波在气液两相流中传播速度试验证明，武德近似公式可以用来计算声波在该两相流中的传播速度。
The testing of transmission speed of sonic wave in the gas-liquid two-phase flow indicates that Wood formula can be used to calculate the transmission speed of sonic wave in the two-phase flow.
通过声波在气液两相流中传播速度试验证明，武德近似公式可以用来计算声波在该两相流中的传播速度。
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