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Paper Abstract and Keywords
Presentation 2018-11-21 13:40
An Experiment Result of Meteorological Elements and Radio Propagation Above Sea Environment at Standard Atmosphere using UAV
Takayuki Nakanishi, Kenya Shimizu, Michio Takikawa, Naofumi Yoneda (MELCO)
Abstract (in Japanese) (See Japanese page) 
(in English) The tropospheric duct phenomenon occurs when the refractive index of the atmosphere in the troposphere is reversed and in the duct layer the radio waves are bent in the direction of the earth's surface and multiple reflection occurs so that abnormal propagation to the far side than usual . We have analyzed radio wave propagation characteristics on the sea surface considering the atmospheric distribution using the PE method, but it has not been verified by actual measurement. In this paper, we measured the atmospheric temperature, humidity, and atmospheric pressure using Unmanned Aerial Vehicle (UAV), found the modified refractive index, and evaluated radio wave propagation characteristics at sea. In the modified refractive index, the characteristics are equivalent to those of the standard atmosphere, and the radio wave propagation characteristics are equivalent to those of the standard atmosphere.
Keyword (in Japanese) (See Japanese page) 
(in English) Standard atmosphere / Modified refractive index / Radio propagation / Sea environment / Unmanned aerial vehicle / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 310, AP2018-121, pp. 113-117, Nov. 2018.
Paper # AP2018-121 
Date of Issue 2018-11-13 (AP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee RCS AP  
Conference Date 2018-11-20 - 2018-11-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Industry Support Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Adaptive Antenna, Equalization, Interference Canceler, MIMO, Wireless Communications, etc. 
Paper Information
Registration To AP 
Conference Code 2018-11-RCS-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Experiment Result of Meteorological Elements and Radio Propagation Above Sea Environment at Standard Atmosphere using UAV 
Sub Title (in English)  
Keyword(1) Standard atmosphere  
Keyword(2) Modified refractive index  
Keyword(3) Radio propagation  
Keyword(4) Sea environment  
Keyword(5) Unmanned aerial vehicle  
1st Author's Name Takayuki Nakanishi  
1st Author's Affiliation Mitsubishi Electric Corporation (MELCO)
2nd Author's Name Kenya Shimizu  
2nd Author's Affiliation Mitsubishi Electric Corporation (MELCO)
3rd Author's Name Michio Takikawa  
3rd Author's Affiliation Mitsubishi Electric Corporation (MELCO)
4th Author's Name Naofumi Yoneda  
4th Author's Affiliation Mitsubishi Electric Corporation (MELCO)
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Date Time 2018-11-21 13:40:00 
Presentation Time 20 
Registration for AP 
Paper # IEICE-AP2018-121 
Volume (vol) IEICE-118 
Number (no) no.310 
Page pp.113-117 
#Pages IEICE-5 
Date of Issue IEICE-AP-2018-11-13 

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