With its narrow operating frequency scope and low measuring precision, traditional phase difference measuring system can 't satisfy the requirement of modern phase array technology.
传统的相位差测量系统，因其工作的频段窄，测量精度低，已不能满足现代相控阵技术的要求。
This fact is duo to the transition to ferromagnetic phase from paramagnetic phase and to the reduction of the difference of magnetization.
这是由于材料中的顺磁相在低温时变成铁磁相，使两相的饱和磁化强度差减小的结果。
Two signals from the mass flowmeter are filtered by no change of phase, and the phase difference is given by zero passage arithmetic.
两路信号数据采集后使用了无相位变化的滤波方法，通过过零点算法计算出得出相位差。
The pressure force from the difference quantities of liquid phase and the capillary force have different orientation, the migration of cobalt phase is decided by the difference pressure value P.
毛细管产生的压力差和液相量差产生的压力差作用方向相反，液相钴的流动方向决定于两者的差值△P。
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.
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。
Phase difference amplification (PDA) was proposed as a means of improving phase resolution and accuracy in interferometric measurement.
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。
According to the difference of passing current and constructive mode of conductor, the conductor propagation is divided into three-phase, two-phase and single-phase propagation, etc.
根据通过电流和导体结构方式的不同，导体传输可分为三相传输、二相传输和单相传输等。
The capillary tube model in subcooling single-phase region and two-phase region was established, and the difference of mass flow rate is within 10% between the predicted and the measured values.
建立单相区和两相区毛细管模型，模型计算的毛细管质量流量与实验测量的质量流量差别小于10%。
The fault phase selectors, including the phase current difference suddenly-change and the sequence current, may misoperate in some cross country faults and conversion faults.
研究表明相电流差突变量、稳态电流序分量等选相元件在发生某些跨线及转换性故障时会误选相。
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.
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。
This model takes into account the difference of average velocities between gas-phase and liquid-phase, which overcomes the defect of mean-phase flow model.
这一模型考虑了各相平均速度之间的差异，克服了以往均相流动模型的缺点。
According to the shifted distance and the phase increment, the mapping relationship between phase difference and depth of object can be determined by a least squares method.
该技术通过平移实物参考面，测得其上位相分布，利用其位移距离与位相增量之间的关系，以最小二乘方法计算位相差与物面深度之间的映射关系。
The moveable grating and the bottom mirror compose a phase grating whose phase difference is controlled by the actuating voltage.
上层可动光栅与下层反射镜构成一个位相光栅，其相位由外加驱动电压控制。
Then the demodulated signal and the signal of the reference piezoelectric hydrophone were input into a high-resolution digital phase detector to get the phase difference.
然后，解调后的信号和基准压电水听器的信号输入到一个高分辨率的数字鉴相器的相位差。
This paper firstly introduces some measurement methods and then points out their deficiencies. At last, a new method is proposed, which uses aptotic phase shifting method to measure phase difference.
介绍了了几种测量相位差的方法，分析了各自的不足，最后提出了一种新型的利用固定相移测量同频正弦信号相位差的方法。
The outputs were in the form of impulse and phase difference while professional phase demodulation, period and pulse width measurement module focus on FPGA.
此外，以FPGA为核心构建了专用的鉴相、周期及相位脉宽测量模块。
With correction of phase difference for the max peak, the amplitude and phase of each order frequency can be acquired. At last, the holospectrum was synthesized.
仿真及对柔性转子试验台振动信号的分析结果表明，基于频谱细化和相位差校正的全息谱能有效提高其分析精度，更加精确有效地诊断旋转机械的故障。
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 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。
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