旋转式天空偏振光的航向角检测系统

为了提高点源式偏振光探测器的可靠性和精度，在斯托克斯矢量(Stokes)的偏振光测量原理的基础上采用单个偏振光传感器通道设计并且搭建了一种快速旋转式天空偏振光信息探测系统，通过GPS授时确定太阳子午线的位置，进而实时解算出航向角数据，在室内和天气晴朗、空旷的室外条件下完成了数据采集，最大误差为1.047°，平均误差为0.378°，稳定工作状态下平均采样率为300Hz。测试结果表明，本文设计的偏振光探测系统具有较良好的精度，可以实现稳定输出。

Heading angle detection system of rotatory sky polarized light

In order to improve the reliability and accuracy of the point source polarized light detector, based on the polarizing light measurement principle of Stokes vector, a fast rotation sky polarized light information detection system is designed and built by using a single polarized light sensor channel. The position of the solar meridian is determined by GPS time service, and then the heading angle data is calculated in real time, indoor and weather conditions The maximum error is 1.047° and the average error is 0.378° and the average sampling rate is 300Hz under stable working condition. The test results show that the polarized light detection system designed in this paper has good accuracy and can achieve stable output.