电影经纬仪是适用于测量空间飞行体轨迹的高精度测角仪器。为了这一目的,电影经纬仪应当安置在地面上适当的位置上,并且在操作时应与其它经纬仪同步(即几台经纬仪必须同时曝光)。当经纬仪光轴连续地瞄准被测目标时,某一特定时间的目标方位角和仰角便被记录下来。其后,在考虑可能 Film theodolite is a high-precision goniometer suitable for measuring the trajectory of a spacecraft. For this purpose, the theodolite should be placed in proper position on the ground and should be synchronized with other theodolites in operation (ie, several theodolites must be exposed at the same time). When the theodolite optical axis aiming at the target to be measured continuously, the target azimuth and elevation at a specific time are recorded. After that, consider possible