移相位

This paper presents a preliminary study on three methods about phase integral: split method, PSPI method and Good Grid Point method.

本文研究了相位积分的三种实现途径：分裂方法、相移加插值方法和佳格点方法。

Considering strict and complex phase requirement, phase locked loop was used for precise phase shifting. Through Embedded logic analyzer the timing was sampled and verified. The driving timing generator of CCD camera with adjustable integral time was implemented on the CCD circuit board.Frame transfer CCD; Integral time ; Phase locked loop ; Embedded logic analyzer

考虑到CCD驱动时序复杂、相位要求严格，提出运用锁相环技术进行高频信号的精确移相，用嵌入式逻辑分析仪对时序进行采样验证，在CCD电路板上实现了积分时间可调的CCD空间相机驱动时序。

If the "0" and "1" to change the carrier phase, called phase shift keying.

如果"0"和"1"来改变载波的相位，则称为相移键控。

The role of phase shifter is signal phase shift from another perspective.

移相器的作用是将信号的相位移动一个角度。

The phase shift was calculated by a new kind of computer software compare technique.

一种新的软件比较相位技术被用来计算相移。

Besides, the spectrum property of the phase shift LPG with different phase shift in different position and parallel or cascade LPG were also analyzed and studied. The fiber gratings parameter and combination fit for refractivity measure were selected.

此外，还分析和研究了在不同位置引入不同相位跳变的相移光栅、并联长周期光纤光栅以及级联长周期光纤光栅的光谱特性，选择出适用于折射率测量的合理光栅参数及光栅组合方式。

The effects of phase offset deviation and intensity deviation on measurement, and the cut-off error of sinusoidal phase modulating function in phase shift interferometry are discussed and analysed.

本文将连续相移干涉技术、外同步控制技术和锯齿波相位调制技术，用于改造传统的光波干涉量法，实现了表面轮廓测量，成为一种有效的表面粗糙度评定和分析手段。

A linear\|algebra vector notation is developed, which clearly and concisely describes the interferogram fitting process.

文中采用移相干涉术[1，2 ] 来求取波面相位，最后还必须对干涉图像的离散采样点进行拟合处理。

Because two shearing object beams travel in the same direction when Wollaston prism is used as image-shearing device in traditional speckle shearing interferometry.

在沃拉斯顿棱镜作为剪切器件的传统剪切散斑干涉术中，由于错位的二物光束同光路传播，很难通过将它们分开来引入附加相位的方法实现相移。

Therefore this way is feasible, and the system is simplified.⑤A procedure of analyzing in target echo theory and simulation for APAR is described in the dissertation.

因而在视频上模拟目标回波的多普勒频率的方法是可行的，并且简化了系统；⑤对机载相控阵雷达目标回波的理论分析和模拟实现进行了深入研究，在目标回波模拟系统方案中采用了用一路目标信号通过和、差波束天线方向图增益进行调制并用移相器控制和、差通道相位的方法，产生目标三个通道的信号。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。