At last , the results of the simulation is analyzed . when the laser beams propagate through atmosphere turbulence , the interference fringes have little distortion as the transmitter apertures become wider 最后,分析了上述仿真结果,并得出以下结论:大气湍流存在的情况下,发射孔径间距增大时,激光通过水平大气湍流形成的干涉条纹质量会变差。
On the one hand , it can solve the problem of multiplicity of solutions efficiently ; on the other hand , it applies to all kinds of transmission spectra and does n ' t rely on the existence of fringe patterns or transparency 一方面，它很好地解决了解的多值性问题；另一方面，它不依赖于干涉条纹及透明区的存在，可以利用所有的光谱测量数据，因而适合于处理各种不同的透射光谱。
A terrain adaptive interferogram filtering method is proposed based on the classical adaptive filtering algorithm . the new method can suppress noise and keep the useful information at dense fringe areas in the same time 在研究经典滤波方法的基础上，提出了一种地形适应的自适应干涉sas滤波方法，在抑制噪声的同时，新方法保持了干涉条纹密集区的信息特征，具有很好的滤波效果。
By comparing the experimental results in different vibration environments , we find that the interferometer works well in the presence of vibration whose product of amplitude and frequency is less then 50 waves - hz , there is no obvious error caused by vibration 本方案对干涉条纹形状没有要求，成本低、易工程化、适应性强，是一种相对来说效果好而成本低的方案，具有很强的实用性。
The main content of this paper as follows : first of all , the imaging principle in theory of the aft is analyzed : the spatial spectrum of the target is extracted while the three fringes moving across the target , then the image is reconstructed use the algorithms 本文的主要工作如下:首先,理论分析了aft的成像原理:利用3幅干涉条纹扫描目标对目标空间频谱信息进行抽取,利用还原算法重构目标的图像。
Referring to the existed methods and abundant experiments , a new engineering - oriented technique named single - point phase - detecting vibration - resistant method is presented . it uses piezoelectric transition ( pzt ) as its device for phase compensation to guarantee measure precision 当振动引起干涉条纹变化时,控制压电陶瓷( pzt )移相器向相反方向移相来锁定干涉条纹相位不变,稳定干涉图保证测量精度。
A new algorithin to be used to recontrict the distorted wavefront from its crsi ffinge pattem has been presented . it can be used to exactly explain the crsi funge pattem of an arbitrary wavefront . and the convergence of this algorithm was analyzed too 三、为实现任意波前的环路径向剪切干涉条纹图的解释，提出了一种新的波前重建算法，并对其收敛性进行了分析，数值计算和实验结果都证明了该算法的正确性。
Then , it is followed by a more detailed discussions on the main steps of the insar data processing flow and insar data simulation , including the complex image coregistration , flat effect of interferogram , noise filtering of interferometric image , phase unwrapping , the reconstruction of dem , and so on 然后，结合实例对图像配准、平地效应去除、干涉条纹滤波、相位展开以及数字高程图反演等数据处理流程主要环节以及干涉sar数据仿真进行了深入研究。
The phase - shifting interference is a osculant and high precision technology base on the wavelength . because of the different size of object being measured leading to different size of interference wave which brings on asymmetry of the interference wave ineluctably we adopt the zoom lens to improve the measurement precision . considering the interferometer ’ s sensitivity to the vibration the interferometer is often used in the lab which restricts it being used widely 移相干涉术是以光波波长为单位的非接触式高精度测量技术,为了使大小各异的被测元件产生的干涉条纹尺寸大小一致而引入了变焦镜头,从而不可避免地导致干涉条纹亮暗不均匀和照度改变的问题,最终影响测量精度。
In the scheme of the atomic interferometer based on the uccc , we discuss the approximate solution of atomic matter wave - function in double - channel magnetic guide , and analyze the evolution of transverse wave function in the process of atomic interference and show the probability distribution after the interference 利用在u -型载流导体基础上构建的原子干涉仪，讨论了双通道磁导引中物质波波函数的近似求解。此外，还分析了干涉过程中横向波函数的演化，并给出了物质波通过干涉仪后的干涉条纹。
