New deformation monitoring method for super high-rise building with troposphere delay influence taken into account
A tropospheric delay and ultra-high-level technology, applied in the direction of electric/magnetic solid deformation measurement, measurement devices, electromagnetic measurement devices, etc., can solve the problem of not considering the correlation between horizontal component parameters and RZTD, difficult to realize adaptive RZTD parameter estimation, and unable to improve RZTD estimation accuracy and other issues, to achieve strong operability and flexibility, improve deformation monitoring accuracy, and improve the effect of monitoring accuracy
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[0051] The present invention will be further described below in conjunction with the accompanying drawings.
[0052] refer to figure 1 , the specific implementation steps of the present invention are as follows:
[0053] Step 1. Calculate the GNSS double difference observation value DD obs , and the relative tropospheric projection coefficient R f .
[0054] DD obs and R f The specific expression is:
[0055]
[0056] R f =f T (θ j )-f T (θ k )
[0057] in is the GNSS carrier observation value, the subscript r and b represent the monitoring station and the base station respectively, the superscript k and j represent the reference star station and the non-reference star respectively, θ j and θ k is the average elevation angle of the satellite (j,k) relative to the two stations, f T is the tropospheric projection function, such as the common NiellMappingFunction (NMF) model.
[0058] Step 2. Construct a four-dimensional search space based on the three-dimensi...
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