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2016-11-28

Research on the Propagation of Extremely Low Frequency Electromagnetic Wave in Shallow Sea Area

By Xiaodong Qu, Guangyou Fang, and Hejun Yin
Progress In Electromagnetics Research M, Vol. 52, 89-97, 2016
doi:10.2528/PIERM16101306

Abstract

This paper analyzes the extremely low frequency electromagnetic wave excited by a horizontal electric dipole immersed in the sea. Analytical solutions in the air from HED underwater are deduced using a three-layer model. The effect of the sea-air interface is studied along two perpendicular directions. The electric field is inversely proportional to the square of r while the magnetic field is inversely proportional to the cube of r along the interface. By decomposing the total response into direct, up-going and down-going components, contributions of each component are discussed, indicating that interference cancellation effect occurs among the arrival electromagnetic signals from multi-paths at specific offsets and frequencies.

Citation


Xiaodong Qu, Guangyou Fang, and Hejun Yin, "Research on the Propagation of Extremely Low Frequency Electromagnetic Wave in Shallow Sea Area," Progress In Electromagnetics Research M, Vol. 52, 89-97, 2016.
doi:10.2528/PIERM16101306
http://www.jpier.org/PIERM/pier.php?paper=16101306

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