Art

J-GLOBAL ID：201302233175053955   Reference number：13A1340318

GPS accuracy in using antenna pole under tree canopies and usability of Signal Interruption Probability (SIP) for accuracy estimation

樹冠下におけるアンテナポールを用いた場合のGPS測位精度と精度評価におけるGPS信号の遮断確率(SIP)の有用性。

Author (3)： BASTOS Alex Souza (Kyoto Univ., Kyoto) ,  HASEGAWA Hisashi (Kyoto Univ., Kyoto) ,  YOSHIMURA Tetsuhiko (Shimane Univ., Matsue)
Material： 森林利用学会誌  (Journal of the Japan Forest Engineering Society)
Volume： 28  Issue： 3  Page： 181-186  Publication year： Jul. 31, 2013 
JST Material Number： L3308A  ISSN： 1342-3134  Document type： Article
Article type： 原著論文  Country of issue： Japan (JPN)  Language： ENGLISH (EN)

Thesaurus term： *tree crown ,  *antenna(electric) ,  *data ,  accuracy ,  *protocol ,  *ratio ,  camera ,  swinging ,  *evaluation ,  action and behavior ,  analysis of variance ,  error(measure) ,  measurement error ,  *property ,  *measurement
Semi thesaurus term： ANOVA ,  *GPS data ,  SIP ,  *canopy openness ,  observation error ,  measurement error ,  *遮断確率 ,  *accuracy assessment ,  whole sky camera ,  position-fix accuracy ,  measuring method ,  deprivation ,  *usefulness ,  fluctuation

JST classification (2)： Measuring instruments in general  (AD02000X) ,  Forest biology in general  (FF02010T)

Reference (12)：

• EON, D'. Forest Canopy Interference with GPS Signals Two Antenna Heights. Nor.J.Appl.For. 1996, 13, 2, 89-91
• EVANS, G.C. Hemispherical and woodland canopy photography and the light climate. J.Ecol. 1959, 47, 103-113
• FRAIR, J.L. Removing GPS collar bias in habitat selection studies. J.Appl.Ecol. 2004, 41, 201-202
• FRAZER, G.W. Gap Light Analyzer(GLA):Imaging software to extract canopy structure and gap light transmission indices from truecolour fisheye photographs,users manual and program documentation. 1999
• GANDASECA, S. Evaluating the positioning performance of GPS surveying under different forest conditions in Japan. Proceedings of the First International Precision Forestry Cooperative Symposium,Seatlle,WA,June17-20 2001,University of Washington,Seattle,WA. 2001, 119-123

Terms in the title (10)： 樹冠 ,  アンテナ ,  ポール ,  GPS ,  測位精度 ,  精度評価 ,  遮断 ,  確率 ,  SiP ,  有用性