Based on atmospheric correction formula of ETS(Electronic Total Station),the paper presents a new method to calculate constants of distance surveying part of ETS(including atmospheric reflection ratio of standard atmospheric state and the carrier wavelength of laser).
该文在电子全站仪气象改正公式的基础上,提出了计算测距部常数(标准大气状态下的大气折射率、激光器载波波长)的新方法。
High frequency modulation characteristics of specific wavelength laser diode with narrowband filter;
窄带滤光片精确波长激光器高频调制特性研究