The output signals of the stellar meridianobservation using a photon counter are obtained by means of combining the computed signals wiry recording noises.
考虑到输出信号噪声成分的统计特性，得到恒星光子计数观测的计算机模拟方法。
2
In the paper, the mathematical equations for the output signals of the stellar meridianobservation are presented via analysing the processes of the observation.
本文通过恒星子午观测过程的分析，给出了输出信号所应满足的数学关系式。
3
The earliest methods for determining the seasons recorded in ancient Chinese classics are the observation of the sun's shadow at noon and the meridian stars at dusk.