【摘要】 本文从新的解调方法、ＬＤ激光波长选择、光纤取样环修正方法出发，分析讨论了系统的优化设计。取得的主要实验结果如下：测温范围０～１２０℃；测温不确定度±２℃；温度分辨率０．１℃；光纤绕组探头的空间分辨率＜５ｃｍ，在２ｋｍ光纤上可采样１０００个点更多还原

【Abstract】 The optimum design of DOFRPS system is researched in the paper.The new demodulated method of system,the choice of laser wavelength,the correct method of the sample’s loop are discussed.The main experimental results is following:the measurement temperature range:0～120℃;the temperature accuracy:±2℃;the temperature resolution:0.1℃;the spatial resolution of optical fiber coil probe is less than 5 cm and the 1000 points are sampled on 2 km optical fiber.更多还原