武汉邮电科学研究院 汉口
纸质出版:1988
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[1]周文俊.相移法测量单模光纤色散特性的探讨[J].电子学报,1988(01):124-126.
Zhou Wen-jun. Study on Some Problems in Measurement of Dispersion of Monomode Optical Fiber by Phase-Shift Method[J]. Acta Electronica Sinica, 1988, (1): 124-126.
本文对相移法测量单模光纤色散中诸因素的影响进行了分析
对最低可测信噪比的含义提出了新的见解。实验表明
在采用我们自行研制的色散仪条件下
最低可测信噪比降到20dB(电)以下
其测量范围可相应地扩大到20dB(光)以上。
The effect o{fthe factors in measuring the dispersion of a monomode optical fiber by phate-shift method are analyzed theoretically
and a new ideal to improve the minimum measurable signal to noise ratio is presented. Experimentally
the minimum measurable S/N ratio is achieved to lower than 20dB(E) and the measurable dynamic range is enlarged to over 20dB(O).
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