In this thesis, it presents the fundamental principle and the key technology ATR of TCA2003 automatic total station. It mainly presents the application of TCA2003 automatic total station to the land-creep automatic monitoring. It solves the problem such as the transmission and pre-treatment and storage of measurement. It applies RS-232 serial interface photoelectric buffer remote transmission model and GPRS to total station measurement transmission. It advances the means by which land-creep monitoring measurement with time mark was processed by database. This technology is contribution to research of automatic land-creep monitoring.
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