Discuss the application of Beidou navigation system in agricultural geological landslide monitoring. To conduct a simulated monitoring test in a mountainous area in southwestern China, first set up observation points to monitor the data under three sets of plans. The three sets of plans are specifically expressed as GPS single-system dynamic real-time precision single-point positioning technology (PPP), single-system RTK positioning , Single system baseline solution, BDS single system dynamic real-time precision single point positioning technology (PPP), single system RTK positioning, single system baseline solution and GPS / BDS combined dynamic real-time precision single point positioning technology (PPP), combined RTK positioning , Combined baseline solution. Based on the above monitoring, a landslide monitoring system under the Beidou navigation system is set up to analyze the monitoring effect of the Beidou navigation system on geological landslides. Through verification analysis, we know that in the analysis of dynamic precision single-point positioning technology, the accuracy of BDS, GPS / BDS is better than GPS in the same base station monitoring point, in the three directions of ENU, in terms of plane accuracy, point accuracy, GPS / BDS has the best accuracy, followed by BDS, and GPS has the worst; within the set distance range, the convergence time of GPS / BDS is much faster than BDS and GPS; PPP positioning accuracy of BDS system is slightly worse than GPS system, BDS / GPS combined PPP has the best positioning accuracy, reaching the centimeter level. In the real-time dynamic relative positioning analysis, the accuracy of the three schemes of ENU in all three directions is in the millimeter level. The RTK accuracy results under BDS are slightly lower than the GPS system, and the BDS / GPS combined RTK positioning accuracy is the highest. In the static relative positioning analysis, the accuracy obtained by the three schemes is equivalent, which is better than 5mm. Based on the Beidou navigation system positioning analysis technology, the accuracy and reliability required for landslide monitoring can be achieved. The real-time landslide monitoring system under the Beidou navigation system can actually meet the engineering accuracy and reliability requirements of landslide monitoring.

Zheng Zeng. Agricultural Geological Landslide Monitoring Based on Beidou Navigation System. International Journal of Engineering Technology and Construction (2022), Vol. 3, Issue 2: 1-13. https://doi.org/10.38007/IJETC.2022.030201.

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