中文摘要：

介绍了利用平面镜多次反射系统实现二维高精度小角度偏转测量的光学测量方法,构建了实验系统,针对系统的测量精度和测量范围与激光束在平面镜系统中反射次数的关系进行了研究,最后根据应用实例给出了具体的计算分析,研究结果表明,该方法具有结构简单、测量精度高的特点,当反射次数达到10次以上时,系统的测量精度将达到0.01″,为亚角秒级高精度动态测量提供了一种新的研究方法。

英文摘要：

An optoelectronic method of high-accuracy small-angle rotary measurement was introduced based on multiple-reflection between two plane mirrors,and an integrated experiment system was constructed. Then,the relationships between the system＇s measure precision and measure range with laser beam reflection times in plane mirrors was studied. Finally,an actual application example was calculated and analyzed. The analyzed result shows that the measurement method has the characteristics of high precision and simple structure. When the reflection times are above 10,system measurement precision will reach 0.01 arc second. It provides a new method for sub-second accuracy level dynamic angle measurement.