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01-Applied Mathematics & Information Sciences
An International Journal
               
 
 
 
 
 
 
 
 
 
 
 
 
 

Content
 

Volumes > Volume 08 > No. 6

 
   

Algorithm of Shadow for Diffraction in Forests based on a Wireless Sensor Network

PP: 3095-3100
Author(s)
Yunjie Xu, Wenbin Li, Wei Zhang,
Abstract
Diffraction loss and the shadow of diffraction, which account for the growth of trees based on wireless sensors, longdistance, real-time, and accurate automatic acquisition of environmental information, were presented to meet the requirements for a wireless sensor network in a forest. Considering electromagnetic wave propagation, which accounts for the scattering and absorption behavior of plantations, a physical model of diffraction for a forest is constructed using the attenuation and the absorbing screens. The mathematical model of diffraction is presented using the uniform geometrical theory of diffraction. Moreover, the expression for diffraction loss is derived. The results were then applied to the birch. Simulation and analysis show the validity of the proposed model. The algorithm for diffraction loss can serve as a theoretical foundation for the optimization of the sensor layout and introduces a novel technology for the telemetry measurement of environmental information.

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