Home / Standards / GB/T 42646-2023 GB/T 42646-2023 Active Arrangement and measurement of laser footprint detectors for the field calibration of spaceborne laser altimeter 星载激光测高仪场地定标探测器布设与测量方法 Standard Type GBT ICS 49.020 CCS V75 Status 现行 Issue Date 2023-05-23 Implementation 2023-09-01 Responsible Dept 国家标准委 Drafting Unit N/A