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Real-Time Carrier Phase Positioning Using the RTCM Standard Message Types 20/21 and 18/19.

open access: closed, 1997
Janet Neumann   +3 more
openalex  

大深度任意剖面形状光栅的模式理论和RTCM递推算法 *

Science in China Series A-Mathematics (in Chinese), 1999
openaire   +1 more source

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