azimuth pedestal meaning in English
测量方位角机械底座
Examples
- At present mounts of optoelectronic measurement system have mainly two kinds of frame , i . e . altitude - azimuth form and equatorial form . the vast majority of large telescopes built are of an altitude - azimuth pedestal design in order to track fast moving satellites
陆基型光学测量设备目前主要采用地平式和极轴式两种结构模式，由于地平式系统成本低，软硬件成熟度和工作可靠性高等原因，在观测人造卫星的仪器中绝大部分采用地平式装置。 - That is , the occasional situation where the object of interest passes directly overhead ( 90 zenith pass ) . azimuth axis must rotate nearly 180 ? instantly . therefore , the standard two - axis altitude - azimuth pedestal will be unable to remain pointed at the object through the zenith pass event
所谓天顶盲区问题是指目标过天顶时对地平式设备方位轴有一个极大的过载要求，需要方位轴瞬时调转180 (或略小于180 ) ，此时方位变化的角速度和角加速度在数学意义上是无穷大，导致目标丢失。