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通过对威特DI2002测距仪的实测资料的分析,认为①DI2002测距仪实测精度较高,与ME—3000测距仪具有同等的实测精度,②DI2002仪器性能稳定,加、乘常数变化幅度小,频率变化也很小,其频率的稳定性远比ME—3000测距仪匹配的测频仪高。③DI2002与ME—3000测距成果有很好的一致性,在ME—3000测距仪老化的情况下,可以用DI2002替代ME—3000用于跨断层水平形变监测。加之它体积小、易携带、耗电省、频率稳等特点,十分适合野外作业。
Through the analysis of measured data of Witt DI2002 range finder, it is concluded that ①DI2002 range finder has higher actual measurement accuracy and the same measurement accuracy as ME-3000 range finder ②DI2002 has stable performance, The frequency change is also very small, the stability of its frequency is far higher than the ME-3000 rangefinder matching frequency detector. ③DI2002 and ME-3000 ranging results have good consistency, in the case of ME-3000 rangefinder aging, you can use DI2002 instead of ME-3000 for cross-fault horizontal deformation monitoring. Coupled with its small size, easy to carry, power saving, stable frequency and other characteristics, very suitable for field operations.