由于功率测量结果必定存在偶然误差，会导致微波相位差测量结果不精确。
But the power's error makes the error of microwave's phase shift.
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。
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.
在正式进入数字电路设计之前，先讨论了相位差测量方法，并选定双向过零鉴相作为实现方案。
Before the design of digital circuit, measurement method of phase difference is discussed. Two-way zero passage phase detector is chosen as solution finally.
介绍了一种主要由8051单片机、MAX7219驱动的LED数码显示电路构成的相位差测量仪。
A new instrument which can measure the phase difference by 8051 microcontroller and LED digital display current driven by MAX7219 is introduced.
介绍了相位差调制器及测量器的原理框图、主要性能指标及电路实现。
In this article, the schematic diagram, main specifications and the realization of the circuits of the phase differential modulator and measurer are described.
采用磁栅转矩传感器和一种新的微机辅助相位差检测方法，研制了一套新型动态转矩测量系统。
Based on the magnetic grid torque transducer and a new computer aided method to measure phase difference, a new measuring system for dynamic torque is developed.
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.
利用这个VI程序还可以测量两个同频率信号的相位差。
VI program can be used to measure phase difference of two signals with same frequency too.
试验表明，利用本测量仪测量相位差与设定标准值相比差值在2%以内。
The experiment result is indicated that the difference between test phase difference by using this instrument and setting standard value is lower 2%.
本文分析了测量相位差时产生系统误差的原因并提出了消除系统误差的方法。
This paper analyses the cause of systematic error while testing phase difference and give methods of removing them.
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.
载波相位测量是目前测量精度最高的测量方法，所以载波相位差分gps同惯导组合能获得高精度的导航系统。
Carrier phase measurement is a measuring method of the highest precision at present. So, GPS carrier phase measurement integrated with INS can get high precision navigation system.
设计一个采用DSP技术和数字相关法测量两路正弦信号相位差的检测系统。
A measurement system for sine signal phase difference is designed by using DSP and digital correlation method.
在红外激光测距中，一般是通过测量发射连续激光脉冲和被测目标回波信号的相位差而求得被测距离的。
We obtain the distance by measuring the difference of the phase between the continuous laser signal transmitted and the signal reflected by the object in the infrared rays distance measure.
利用恒温控制平台，通过测量干涉光电流和干涉仪两臂光电流的方法，实现了对全光纤干涉仪两臂初相位差的测量。
The initial phase difference of the fiber interferometer is calculated by measuring the interference photocurrent and the photocurrents from the two fiber arms based on a temperature control plat.
应用八端口网络技术能对各端口进行微波功率测量，通过计算方便地得到两路微波相位差。
Using eight-port junction technique, the power of each port can be measured, and the phase shift of two channels of microwave is obtained easily through calculation.
为了测量受噪声和谐波干扰的两个信号间的相位差，基于自适应带通滤波器(abf)和测量信道交换技术，提出了一种新的测量方法。
To measure phase accurately in the presence of harmonics for both noisy input signals, a technique based adaptive bandpass filter (ABF) and the method of interchanging signal channel is presented.
提出了利用SPR相位差法测量吸收介质复折射率的方法。
A new method which determines the complex refractive index of absorbing medium with SPR phase detection is proposed.
本文提出一种实用的算法，能在同等微波功率测量误差条件下，大大减少微波相位差的误差。
The paper gives a new method which can reduce the error in same power measurement system.
提出一种剪切干涉测量中实现由相位差分准确高效恢复被测波前相位的算法。
A phase recovery algorithm with improved accuracy and efficiency is proposed for test wavefront phase recovery from obtained phase differences in shearing interferometry.
相位计采用数字信号处理技术，可以有效地实现相位差的高精度测量。
The technique of digital signal processing(DSP) has been found to be an effective tool in phase measurement.
本文从提高科里奥利质量流量计的灵敏度着手，提出了一种新的管形设计方案，还采用了基于数字信号处理的测量方法来测量相位差。
Aiming at the improvement of the precision of Coriolis Mass Flow meters, this thesis develops a new tube-shaped device and measures the phase difference with a digital signal-based measurement.
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。
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.
在建立GPS载波相位差分模型的基础上，详细论述了GPS姿态测量原理。
Based on the establishment of carrier phase sub-models, the paper discussions the GPS attitude measurement principle in detail.
在建立GPS载波相位差分模型的基础上，详细论述了GPS姿态测量原理。
Based on the establishment of carrier phase sub-models, the paper discussions the GPS attitude measurement principle in detail.
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