这种相移会造成错误的测量结果。
简短地讨论了引入相移的方法。
The methods for introducing phase- shift are briefly discussed.
TFM是一种相关相移键控信号。
锁相环电路,相移方法,及集成电路芯片。
Phase-locking loop circuit, phase shifting method, and IC chip.
相位恢复去包裹技术是相移干涉中的重要环节。
Unwrapping is an important link to ensure precision phase measuring in phase shifting interference techniques.
我体验到台球互相撞击,互相移动,或者明显得使之互相移动。
I experience billiard balls bashing into each other making each other move or apparently making each other move.
如相移误差较大,或者为进一步提高精度,也可进行多次迭代。
In the case of phase shifting-errors being large, it also can take a few of iteration to enhance measurement accuracy.
本文从理论上分析了滤波参数与幅频特性和相移特性的定量关系。
The quantitative relationship between filtering parameters and amplitude-frequency and phase shift characteristics is analysed theoretically in this paper.
该相移器的使用提高光学无损检测的测量精度,而且经济性很好。
Measure accuracy can be improved using this phaser, and it has a good economy.
传输信号采用正交相移键控调制方式,以有效利用有限通信带宽。
Quadrature phase shift keying(QPSK) signaling is employed to make efficient use of the available bandwidth.
本文提出一种利用量子相关孪生光束进行微小相移测量的新方法。
A new method using twin beams with the quantum correlation to detect the small phase shift has been suggested.
提出了一种利用空域采样实现相移干涉计量的新方法和实验演示装置。
A new method and an experimental unit for realizing phase shift interferometry by means of spatial domain sampling is proposed.
研究了相移干涉轮廓仪干涉图处理的相位提取算法和相位去包裹算法。
Phase extracting algorithm and phase unwrapping algorithm of interferogram processing based on phase shift interfering profilometry are discussed.
而滤波器的零点、极点个数及其位置又完全决定了其相移和群延迟的性质。
The characters of phase shift and group delay are controlled by the number and position of zeroes and poles.
信号相位的必要相移通过专用波束调节控制器或集中安排的处理器进行控制。
The necessary shifts in signal phase are controlled via a dedicated beam steering controller or the architecture's central processor.
提出了一种利用相移技术测定光纤PZT相移控制器相移特性参数的方法。
This paper presents a new way to measure the characteristic parameter of the phase shifting controller made of fiber with PZT by phase shifting.
波长周期相位相移调制控制也能使混沌激光控制到三周期态和多周期态等。
Chaos is also controlled into periodic state and multi-periodic state by a method of a wavelength periodic modulation.
论述了边缘相移掩模的原理、制作方法和工艺步骤,并给出了一些实验结果。
The principle, making method, technology and procedure for the rim phase shifting mask are described. Some experimental results are given.
相移法需要精密的移相装置,且需采集一幅以上的图像,在应用中受到一定限制。
Phase-shifting requires a precise Phase-shifting set and more than one image collected, therefore its application is limited.
一个例子中相移持续了55毫秒,但是每增加1毫秒的时间好像会增加儿童的IQ成绩20分。
For example, phase shifts typically last 55 milliseconds, but an additional 1 millisecond seemed to add as many as 20 points to the child's IQ.
总结了光纤环腔的双稳性随耦合器反射率、单程线性相移等参数改变而产生的规律。
We sum up the rule of the bistability with the change of coupler reflectivity and single-pass linear phase shift ?
说明:四步相移法程序和最小二乘法相位解包裹程序,已经验证,此方法比较不错。
Four step phase-shift method program and least squares phase solution package, have validation, this method is good.
他发现儿童大脑停留在稳定锁相状态和不稳定相移状态下的时间和他们的IQ成绩有关。
He found that the length of time the children's brains spent in both the stable phase-locked states and the unstable phase-shifting states correlated with their IQ scores.
这种方法克服了以往采用固定频率滤波器带来的相移和频率漂移问题,而且结构简单。
This approach the problem of conquers phase excursion and frequency drift that anciently adopts fixed frequency filter and its frame is simple.
根据超越方程对单环非互易铁氧体移相器的差相移随铁氧体厚度的变化进行了数值计算。
The differential phase shift changes as the change in the thickness of the ferrite phase shifter is calculated with the transcendental equation.
相移器是相移干涉计量中的关键技术,对测量精度有很大的影响,关系到相移技术的成败。
Phase shifting is the key technique in phase shifting interference metrology and it greatly effects the measuring precision even results in a failure.
提出利用改变半导体激光器温度来改变波长,在相移干涉仪中实现步进相移计量的新方法。
In this paper a new method of phase-stepping by changing the temperature of Laser Diode (LD) in phase Shifting Interferometry (PSI) has been presented.
在动态测试领域中,数字散斑干涉技术常用到的相位处理方法有时间平均法和空间载波相移法。
In dynamic measurement field, when using digital speckle pattern interferometry, we always deal phase with time-average method and spatial carrier phase-shifting method.
在动态测试领域中,数字散斑干涉技术常用到的相位处理方法有时间平均法和空间载波相移法。
In dynamic measurement field, when using digital speckle pattern interferometry, we always deal phase with time-average method and spatial carrier phase-shifting method.
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