PDF(353 KB)
SYNCHRONOUS DETECTION WITH THE PHASE SHIFT IN THE LIGHT WAVE DISTANCE MEASURING INSTRUMENT WITH UHF MODULATION
Ni Huanming, Chen Changhao, Silaite
Journal of Geodesy and Geodynamics ›› 1989, Vol. 9 ›› Issue (3) : 11-15.
PDF(353 KB)
PDF(353 KB)
SYNCHRONOUS DETECTION WITH THE PHASE SHIFT IN THE LIGHT WAVE DISTANCE MEASURING INSTRUMENT WITH UHF MODULATION
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