测角计
- 【物】［optical］ goniometer
测角计-
本文介绍用稳频横塞曼激光（STZL）作光源，研制了光外差法正弦尺干涉测角计装置，提出校正测角灵敏度的一种方法，并用此装置测量压电陶瓷（PZT）的滞后特性。
It used a frequency-stabilized transverse Zeeman laser ( STZL ) as the light source . A method of sensitivity calibration for angle measurement is presented . Hysterisis characteristics of a PZT piezoelectric ceramic have been measured by using this angle-measuring interferometer .
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基于此，本文用天文导航算法对静电陀螺捷联系统姿态初始对准原理进行了探讨，并分析了陀螺漂移、陀螺传感器测角误差和加速度计观测误差对姿态初始对准精度的影响。
The attitude initial alignment errors which caused by gyro drift , gyro sensors angle measuring errors and accelerometers measuring errors are also analyzed .