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首页> 外文期刊>IEICE Transactions on Communications >Characteristics of Optical Propagation through Rain for Infrared Space Communications
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Characteristics of Optical Propagation through Rain for Infrared Space Communications

机译：红外空间通信中通过雨的光传播特性

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摘要

The characteristics of 155 Mbps optical propagation through atmosphere at the wavelengths of 0.78 and 1.55 μm over a 72 m range were measured. Two propagation characteristics were compared to examine the wavelength dependence on the rain rate and the aperture size of a receiver. An enhanced intensity exceeding the signal level measured in the absence of rain was observed at both wavelengths during 7.2 mm/h rain. The resultant bit error rate is shown to be dominated mainly by the rain-induced scintillation rather than the attenuation.
机译：测量了在72 m范围内在0.78和1.55μm波长下通过大气的155 Mbps光传播的特性。比较了两个传播特性，以检查波长与降雨率和接收器孔径的关系。在7.2 mm / h的降雨期间，在两个波长下都观察到了增强的强度，超过了不存在降雨时测得的信号水平。结果表明，最终的误码率主要由降雨引起的闪烁而不是衰减所决定。

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