And then the measurement methods of terrain parameters using polarimetric sar interferometry were studied and the practical process was set up correspondingly 本文采用模擬的技術(shù)手段進(jìn)一步研究了極化sar干涉測量地形參數(shù)的方法。
The studies were made further by means of simulation . the target scattering , the terrain and the sar interferometry were simulated and the simulation data were used to test and analyze the provided algorithm 用模擬數(shù)據(jù)對極化sar干涉測量地形參數(shù)方法以及本文提出的算法進(jìn)行了模擬驗(yàn)證,比較分析了改進(jìn)算法的優(yōu)越性。
A new improved algorithm was set up in the dissertation , and it can solve the problems caused by the fact that the measured polarimetric data are always not equal to the real scattering matrixes of the target 提出了一種新的改進(jìn)算法,解決了極化測量數(shù)據(jù)不等于目標(biāo)真實(shí)極化散射矩陣帶來的問題。建立了極化sar干涉測量地形參數(shù)的算法流程。
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和極化sar為基礎(chǔ),對極化sar干涉測量方法進(jìn)行探索性研究并建立極化sar干涉測量地形參數(shù)的關(guān)鍵算法,具有重要的意義和應(yīng)用價值。
It has been proved by theories studies and simulation experiments that polarimetric sar interferometry makes it possible to improve the measurement precision of the under - vegetation terrain and to estimate the height of vegetation targets , and that the performance of the new improved algorithm is better than that of the conventional algorithm 通過理論研究和模擬實(shí)驗(yàn)可見,應(yīng)用極化sar干涉技術(shù)測量地形參數(shù)能提高測量的精度,并為測量植被覆蓋下的地表地形和估計植被高度提供了可能。本文提出的改進(jìn)算法比原有的算法具有更高的測量精度。