Taking the phase information extracted from the plural data acquired by sar as its source , interferometric synthetic aperture radar is developed to obtain the terrain information and variety details 合成孔径雷达干涉测量技术( interferometricsyntheticapertureradar ,简称insar )是以合成孔径雷达的复数据提取的相位信息为信息源获取地表的三维信息和变化信息的一项技术。
One novel non - linearity compensation method is proposed based on the parameters estimation of the discrete interference signals . the effectiveness of the compensation method considering phase - quarter errors , unequal amplitude and the dc components are simulated 在研究干涉测量非线性误差补偿原理的基础上，提出一种基于待检偏测量信号参数估计原理的非线性误差补偿方法。
“ quasi - white - light ” interferometry is discussed in this paper , system ' s analysis and parameters " optimization have been done by means of matlab , " sweeping and descending method " is proposed to resolve the problem of blind areas 本文还讨论了“准白光”干涉测量光纤长度差的方法，分析了其基本原理，并采用matlab进行了系统仿真和参数优化，为克服测量的盲区问题还提出了“扫描下降法” 。
Polarimetric synthetic aperture radar ( sar ) interferometry , which combines sar polarimetry with sar interferometry , can improve the measurement precision of interferometric sar and enhance the ability to explain the scattering mechanisms of targets 极化sar干涉测量将干涉sar和极化sar测量技术相结合，能提高干涉测量精度并能更好地解释目标的散射机理，近几年来已成为一种新兴的前沿技术。
So it has become an important direction of sar application development . in this dissertation , we studied the methods of terrain measurement using polarimetric sar interferometry , and explored the role of polarimetry in sar interferometry 本文研究的主要目的是以干涉sar和极化sar为基础，对极化sar干涉测量方法进行探索性研究并建立极化sar干涉测量地形参数的关键算法，具有重要的意义和应用价值。
Theoretically , using the theory of mutual effect between laser and plasma , the rule of laser propagating in plasma , and the principle of differential interferometry , the basic model of differential interferometry for plasma density measurement was built 理论上，运用激光与等离子体的相互作用原理、激光在等离子体中的传播规律、以及差分剪切干涉测量技术原理，建立了使用差分干涉技术测量稠密等离子体密度的基本模型。
The conception , structure and development of virtual instrument are described in this thesis . virtual oscilloscope and virtual spectrum analyst are designed with labview , which are used in the experiment system of the self - mixing interference in semiconductor and tested 本文首先叙述了虚拟仪器的概念、发展、组成等，并用图形化编程软件labview设计了虚拟示波器和虚拟频谱分析仪，将其用于激光自混合干涉测量实验系统进行检验。
