Method for optimizing land subsidence monitoring net
A land subsidence and monitoring network technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems of reduced monitoring point accuracy, inaccurate atmospheric estimation, data collection and processing errors, etc., to optimize PSInSAR monitoring point effect
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Embodiment 1
[0054] A method for optimizing a land subsidence monitoring network, the method comprising the steps of:
[0055] 1) Establish a ground monitoring network;
[0056] Said establishment of a ground monitoring network includes laying out GPS points and benchmarking points in the land subsidence area, and setting up a GPS and leveling monitoring network to obtain ground subsidence monitoring points;
[0057] Among them, the establishment of GPS and leveling monitoring network includes the following steps:
[0058] 1.1 GPS points and leveling points are laid out in the land subsidence area. Each buried GPS monitoring station adopts forced centering and has a leveling measurement mark, which can be directly guided to the GPS point by leveling measurement. High density, GPS ground subsidence monitoring and leveling measurement are carried out at the same time to ensure that the monitoring results of the two are synchronized;
[0059] 1.2 During the measurement, the adjacent GPS poi...
Embodiment 2
[0080] A method for optimizing the land subsidence monitoring network, the method is different from embodiment 1, utilizes the cloud model algorithm to utilize the reverse cloud generator to calculate, and the algorithm is as follows:
[0081] Compute the sample mean: X ‾ = Σ i = 1 N x i , Compute the sample variance: S 2 = 1 N - 1 Σ i = 1 N ( x i - X ‾ ) 2
[0082] E ...
Embodiment 3
[0089] A method for optimizing the land subsidence monitoring network, the method is different from embodiment 2, the method also includes the following steps:
[0090] 3) Establish an air-ground-underground three-dimensional monitoring network;
[0091] The air-ground-underground three-dimensional monitoring network is formed by integrating the optimized groundwater monitoring network with the optimized PSInSAR monitoring points, benchmarking points and GPS points;
[0092] The establishment of the optimized groundwater monitoring network includes the following steps:
[0093] c. Optimize the selection of regional groundwater monitoring network by using the groundwater dynamic type mapping method;
[0094] Among them, using the groundwater dynamic type mapping method to optimize the selection of regional groundwater monitoring network includes the following steps: according to different groundwater dynamic types, classify and partition the groundwater dynamics in the land su...
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