The attenuation of the electromagnetic wave from the layers of the dust plasma increases with the increase of density and size of the dust grain.

并且尘埃等离子体层对电磁波的衰减随尘埃粒子浓度以及尘埃粒子半径的增大而明显增强。

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When radar signals propagate in the atmosphere, the absorption and scattering of air molecule, aerosol particles, dust and cloud, fog and rain result in energy attenuation of ladar signals.

激光雷达信号在大气中传输时，大气中的气体分子和大气气溶胶粒子、尘埃、雾、雨等对激光信号的吸收和散射导致光信号能量的衰减是影响激光雷达信号传输的重要因素。

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The absorption and scattering of sand and dust particles can cause the attenuation in mm-wave band.

沙尘粒子的吸收和散射效应能引起毫米波信号的衰减。

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