有效提取大气偏振模式信息是实现偏振光导航应用的前提条件。借鉴昆虫偏振敏感机理，设计了一种基于“3对偏振对比单元+1个光强检测单元”的仿生偏振光检测系统，详细阐述了光学前端接收结构、信号调理及主控硬件电路等功能模块设计。针对偏振正交误差的影响，基于激光器、调节台、偏振分析仪搭建了系统测试标定平台，并分别在室内暗场和室外晴朗天气下对传感器系统的输出偏振角进行了测试。结果表明，该系统偏振角平均误差小于0.5°，能够提供准确的航向信息，实现大气偏振模式的稳定获取。

It is the precondition that effectively extracting the information of polarization patterns to achieve the polarized light navigation application. This paper references the insect polarization sensitive mechanism to design a polarized light detection system based on three couples of polarization contrast unit and a light intensity detecting unit, and elaborates the optical receiver structure, signal conditioning module and the control hardware circuit. Aiming at the effect of polarization orthogonal error, a system test calibration platform with the lasers, the regulating station and polarization analyzer was set up, the corresponding experiments were also given to test the output polarization angle in the indoor dark field and sunny weather outside, respectively. The result indicates that the average error of polarizing angle for this system is less than 0.5° and it provides accurate navigation direction information and can stably obtain atmospheric polarization pattern.