An indicator or a sighting apparatus on a plane table, used in angular measurement.

旋标装置飞机控制板上的指示器或观测仪，用来测量角度。

An indicator or a sighting apparatus on a plane table , used in angular measurement .

旋标装置飞机控制板上的指示器或观测仪，用来测量角度。

Experiments verifyed the angular measurement system's precision was achieved 3 minute of arc.

实验结果表明，通过数字标定和误差补偿后的测角系统精度达到3角分。

The work principle of the bionic angular measurement sensor is analyzed. The hardware construction and software design is presented, and a prototype machine is built up.

分析了仿生测角传感器的工作原理，设计了传感器的硬件结构与软件程序，构建了传感器原理样机。