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应用各态历经统计特征提高光纤传感器系统精度的分析文章论述了光纤式四端补偿网络传感器系统的工作原理。从理论角度阐明了应用各态历经统计积分处理方法及选用合理的信号识别和处理使这一新型传感器在用于透过率的精密测量时可获得所有误差的准全补偿,从而可消除或大大减小各种误差源,如光源波动、光纤随机弯曲损耗、光探测器灵敏度变化及零点漂移、放大器增益变化及零点漂移、背景光等对透过率测量的影响。重庆大学钟先信高精度长光栅动态检测系统中的专用接口电路文章介绍一种在IBM-PC计算机上实现高精度长光栅动态检测的专用接口。此接口能应用于最大长度1m的长光栅的检测中,被检光栅尺的最高运动速度为1m/min,最小测量
The application of various statistical characteristics to improve the optical fiber sensor system accuracy analysis article discusses the fiber optic four-terminal compensation network sensor system works. From the theoretical point of view, the application of all kinds of statistical integration after processing methods and the selection of a reasonable signal identification and processing of this new sensor used in the precision measurement of transmittance can get all the error of quasi-total compensation, which can eliminate or greatly Reduce various error sources, such as light source fluctuation, random bending loss of optical fiber, optical detector sensitivity change and zero drift, amplifier gain variation and zero drift, background light and so on. Specialized Interface Circuits in High Precision and Long Grating Dynamic Detection System of Chongqing University Zhong Xianxin This paper introduces a special interface to realize high precision and long grating dynamic detection in IBM-PC computer. This interface can be applied to the detection of a long grating with a maximum length of 1m. The highest moving speed of the grating to be inspected is 1m / min. The minimum measurement