【摘要】 介绍了几种典型解调方法的特点,提出了一种高精度、大容量、可扩展的光纤光栅传感解调方法。该方法用扫描激光器作为光源提高信噪比,用FPGA电路进行并行采集实现大容量,用F-P标准具提供实时波长校准,适用于各种大型结构体长期实时健康安全监测。更多还原

【Abstract】 The characteristics of several typical demodulation methods are introduced respectively.A high-precious large-capacity FBG sensing demodulation system is proposed, it uses the swept laser, uses FPGA to design the drive circuit and signal processing circuit, and uses F-P etalon.Suitable for the long-term real-time monitoring of various large-scale structure.更多还原