Beidou real-time millimeter-level deformation monitoring method and system
The invention discloses a Beidou real-time millimeter-level deformation monitoring method and system, and the method comprises the steps: obtaining the monitoring data of each monitoring station, obtaining an initial coordinate, carrying out the forward recursion of two continuous fixed star daily p...
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| creator | ZHANG GUANJUN CHEN XUSHENG YANG YUNYANG LIU CHEN HU JINMIN LI QUNKE YANG HUAIZHI HE YILEI LIANG YONG ZHU XINGSHENG SUN BOWEN HONG JIANGHUA WEI HAO ZHANG YUNLONG YANG SEUNG-OH |
| description | The invention discloses a Beidou real-time millimeter-level deformation monitoring method and system, and the method comprises the steps: obtaining the monitoring data of each monitoring station, obtaining an initial coordinate, carrying out the forward recursion of two continuous fixed star daily periods, and obtaining a monitoring station coordinate time sequence; calculating an accurate coordinate of each epoch, substituting the accurate coordinate into a double-difference observation model, calculating a double-difference residual error, and performing single-difference residual error reconstruction; constructing a matching window, performing accurate matching in a search window by using a cross correlation method, and correcting errors of a single-difference observation value; and substituting the corrected single-difference observation value into the double-difference observation equation again, and calculating the current epoch coordinate of the monitoring station. According to the method, the problem |
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calculating an accurate coordinate of each epoch, substituting the accurate coordinate into a double-difference observation model, calculating a double-difference residual error, and performing single-difference residual error reconstruction; constructing a matching window, performing accurate matching in a search window by using a cross correlation method, and correcting errors of a single-difference observation value; and substituting the corrected single-difference observation value into the double-difference observation equation again, and calculating the current epoch coordinate of the monitoring station. According to the method, the problem</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ANALOGOUS ARRANGEMENTS USING OTHER WAVES CALCULATING COMPUTING COUNTING DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRIC DIGITAL DATA PROCESSING LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING |
| title | Beidou real-time millimeter-level deformation monitoring method and system |
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