头盔瞄准具 meaning in English

helmet sight

Correction the principle error of helmet - mounted electro - optical sight
某型光电头盔瞄准具原理误差的校正
This paper also studies the primary factors that affect the precision of the hms and gives the model
同时研究了影响头盔瞄准具精度的主要因素，给出了其误差数学模型。
The testing technique for the photoelectric helmet mounted sight ( hms ) is studied according to its characteristics
本文针对光电式头盔瞄准具的特点，对该系统的综合检测进行了研究。
After introducing optic - electric method on measurement and calculation of lag line in helmet mounted sight , the article proposes a new method of measuring position of lag line with ccd camera image , which can overcome shortcoming of mechanical deviation and working in real time
摘要分析了某型头盔瞄准具的头位测量原理，介绍测量方法，并在原数学模型的基础上，提出了一种新的测量方法，该方法可以在飞行模拟器上使用，也可经适当改装机载使用。