Blank Cover Image

Study on Multiple Angle Polarimetric Radar Image

フォーマット:
学位論文(リポジトリ)
責任表示:
Watanabe, Takuma
出版情報:
新潟大学, 2015-03-23
著者名:
Watanabe, Takuma  
開始ページ:
1
終了ページ:
132
バージョン:
ETD
概要:
This thesis deals with the analysis of multiple angle polarimetric synthetic aperture radar (PolSAR) images in the sense that the radar acquires the data from multiple incidence angles as well as azimuthal angles. The radar images are known to have strong dependence on these angular parameters and target physical or geometric characteristics such as the dielectric properties, roughness, shape, orientation, and so forth. Therefore, the multiple angle observation and analysis are necessary to aid the understanding of the PolSAR images. We carry out multiple angle PolSAR observation under well-controlled conditions in an anechoic chamber, and several characteristics of the multiple angle PolSAR images are revealed. The major contributions of this thesis are summarized as follows: 1. Experimental investigation on how soil moisture affects the polarimetric backscattering from forested terrain using the multiple angle measurement data. 2. Comparison of model-based polarimetric decomposition algorithms applied for PolSAR and tomographic SAR (TomoSAR) images. 3. Introduction of polarimetric concepts to circular synthetic aperture radar (CSAR) observation and image reconstruction. In the rst contribution, we examine the effects of soil moisture on the double-bounce scattering occurred between the ground surface and trunks. We conduct simple model experiments in an anechoic chamber, and show that the co-polarization ratio and phase difference can be used to estimate the moisture condition of forested terrain. The second contribution is the comparison of model-based polarimetric decomposition algorithms which are used to decompose a mixture of several scattering mechanisms into some simple scattering components. Although a number of decomposition algorithms have been developed, the physical interpretation of the decomposed results are still under investigation. To help the understanding of the decomposed results, we provide the qualitative comparison of these algorithms using the anechoic chamber measurement data. Also the introduction to the polarimetric decomposition schemes to TomoSAR data reveals the possibility of recovering the three-dimensional structure and scattering mechanisms of the observing targets. The last contributions are related to CSAR image analysis. Apart from the conventional SAR systems which have a linear flight path, CSAR has a circular trajectory to acquire the Scattering of the observing scene for high-resolution radar image reconstruction. The introduction of polarimetric concepts to CSAR data becomes challenging due to the diversity of the polarization basis. In this thesis, we deal with this problem by introducing polarization basis transformation to CSAR reconstruction algorithm. It is shown that the building structure can be recovered by this novel CSAR image reconstruction processing.<br />学位の種類: 博士(工学). 報告番号: 甲第4046号. 学位記番号: 新大院博(工)甲第428号. 学位授与年月日: 平成27年3月23日<br />新大院博(工)甲第428号 続きを見る
本文リンク
タイトルが類似している資料

類似資料:

1
 
2
 
3
 
4
 
5
 
6
 
7
 
8
 
9
 
10
 
11
 
12
 

Watanabe, Takuma, Yamada, Hiroyoshi, Arii, Motofumi

電子情報通信学会

7 論文(リポジトリ) Polarimetric Radar Remotoe Sensing

Yamaguchi, Yoshio

電子情報通信学会

Moriyama, T., Uratsuka, S., Umehara, T., Satake, M., Nadai, A., Maeno, H., Nakamura, K., Yamaguchi, Y.

IEEE

Yamaguchi, Yoshio, Takayanagi, Yuji, Boerner, Wolfgang-Martin, Eom, Hyo Joon, Sengoku, Masakazu

The Institute of Electronics, Information and Communication Engineers

Yamaguchi, Y., Nishikawa, T., Sengoku, M., Boerner, W. -M.

IEEE

Park, Sang-Eun, Yamaguchi, Yoshio

新潟大学災害・復興科学研究所

Mensa, Dean L.

Artech House

Murase, Makoto, Yamaguchi, Yoshio, Yamada, Hiroyoshi

The Institute of Electronics, Information and Communication Engineers

Henderson, Floyd M., Lewis, Anthony J., American Society for Photogrammetry and Remote Sensing

J. Wiley

Moriyama, Toshifumi, Yamaguchi, Yoshio, Yamada, Hiroyoshi

The Institute of Electronics, Information and Communication Engineers

Bringi, V. N., 1949-, Chandrasekar, V.

Cambridge University Press