| 摘要 |
A measuring system wherein radio waves from a GPS satellite ( 4 ) are received by a reference station ( 1 ) and a plurality of mobile stations ( 3 ) to perform relative measuring among particular stations, thereby measuring the shift amounts of the mobile stations ( 3 ). At least one of the mobile stations ( 3 ) is disposed such that a baseline limit length allowing relative measuring relative to the reference station ( 1 ) is exceeded, and the intervals between particular mobile stations ( 3 ) are shorter than the baseline limit length allowing relative measuring. Each of the stations ( 1, 3 ) is equipped with a GPS receiver ( 11, 21 ) that receives the radio waves from the GPS satellite ( 4 ), and further equipped with a wireless communication apparatus ( 12, 22 ) that transmits/receives data to/from a particular station. There are provided a relative shift amount calculation part ( 32 ) for calculating the relative shift amount between the particular stations; and a reference relative-shift-amount calculation part ( 33 ) for determining, based on a reference relative-shift-amount of one station that performs a relative measuring, a reference relative-shift-amount of the other station.
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