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Bit Error Rate in Free-Space Optical Communication Systems with a Partially Coherent Transmitting Beam

机译:具有部分相干传输光束的自由空间光通信系统中的误码率

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摘要

The influence of the degree of transmitting beam coherence on the bit error rate in free-space optical communication systems is studied. It is found that there are optimal values of the output power and degree of coherence of a transmitter optical beam, defined by the Fried radius, for all types of propagation paths (horizontal, vertical, or inclined) and different degrees of manifestation of turbulent effects. The optimal degree of coherence can be determined from the calculated BER minimum.
机译:研究了自由空间光通信系统中发射光束相干度对误码率的影响。发现对于所有类型的传播路径(水平,垂直或倾斜)以及不同程度的湍流表现,存在由弗里德半径定义的最佳功率输出功率和发射机光束的相干度值。最佳相干程度可以从计算出的BER最小值中确定。

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