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  1. 060 工学部
  2. 10 学術雑誌論文
  3. 10 査読済論文
  1. 0 資料タイプ別
  2. 01 学術雑誌論文

Response of Microwave on Bare Soil Moisture and Surface Roughness by X-Band Scatterometer (Special Issue on Advances in Radar Systems)

http://hdl.handle.net/10191/21339
http://hdl.handle.net/10191/21339
3ec76390-db8b-4711-a514-0966588c89e6
名前 / ファイル ライセンス アクション
110003218835.pdf 110003218835.pdf (781.9 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2013-02-19
タイトル
タイトル Response of Microwave on Bare Soil Moisture and Surface Roughness by X-Band Scatterometer (Special Issue on Advances in Radar Systems)
言語
言語 eng
キーワード
主題Scheme Other
主題 remote sensing
キーワード
主題Scheme Other
主題 soil moisture
キーワード
主題Scheme Other
主題 surface roughness
キーワード
主題Scheme Other
主題 scattering coefficient
キーワード
主題Scheme Other
主題 scatterometer
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
著者 Singh, Dharmendra

× Singh, Dharmendra

WEKO 5750

Singh, Dharmendra

Search repository
Yamaguchi, Yoshio

× Yamaguchi, Yoshio

WEKO 19

Yamaguchi, Yoshio

Search repository
Yamada, Hiroyoshi

× Yamada, Hiroyoshi

WEKO 50

Yamada, Hiroyoshi

Search repository
Singh, Keshev Prasad

× Singh, Keshev Prasad

WEKO 5753

Singh, Keshev Prasad

Search repository
抄録
内容記述タイプ Abstract
内容記述 This paper describes an individual effect of soil moisture(m_g)and surface roughness(h_<rms>)of bare soil on the back scattering coefficient(σ^0)at the X-band frequency. The study contributes to the design of an efficient microwave sensor. For this purpose, experimentally observed data was utilized to provide a composite σ^0 equation model accounting for individual effect in regression analysis. The experimental data are compared with Small Perturbation Method. It is observed that the X-band gives better agreement up to incidence angle 50゜ for HH-polarization and 60゜ for VV-polarization as compared to the C-band. The lower angles of incidence give better results than the higher angles for observing m_g at the X-band. The multiple and partial regression analyses have also carried out for predicting the dependence of scattering coefficient(σ^0)on m_g and h_<rms> more accurately. The analyses suggest that the dependence of dielectric constant(i.e., m_g)is much more significant in comparison to surface roughness at lower angles of incidence for both like polarizations. The results propose the suitable angle of incidence for observing bare surface roughness and soil moisture at the X-band. All these data can be used as a reference for satellite or spaceborne sensors.
書誌情報 IEICE transactions on communications
en : IEICE transactions on communications

巻 E83-B, 号 9, p. 2038-2043, 発行日 2000-09
出版者
出版者 The Institute of Electronics, Information and Communication Engineers
ISSN
収録物識別子タイプ ISSN
収録物識別子 09168516
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA10826261
権利
権利情報 copyright(C)2000 IEICE
著者版フラグ
値 publisher
異版である
関連タイプ isVersionOf
識別子タイプ URI
関連識別子 http://www.ieice.org/jpn/trans_online/
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