A Robust Estimation Algorithm Based on Quasi-quasi Test
A technology of robust estimation and pollution rate, applied in computing, computer components, design optimization/simulation, etc., can solve problems such as the selection of quasi-observed values that cannot be effectively automated, and the collapse of model parameter estimation
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[0044]The present invention will be further described below in conjunction with the accompanying drawings.
[0045] refer to figure 1 , the specific implementation steps of the present invention are as follows:
[0046] Step 1. Based on all the GNSS horizontal velocity fields in the research area, establish the overall rotation and uniform strain model, and solve the model parameters and the corresponding least squares correction number V according to the least squares principle;
[0047] Wherein, the model of the overall rotation and uniform strain is:
[0048]
[0049] In the above formula, L is the observation vector, including eastward and northward velocities; V e , V n Respectively represent the eastward and northward velocity; R' represents the radius of the earth; Indicates the latitude and longitude position of the station; Indicates the geometric center of the study area; ε ee , ε en , ε nn Represents three principal strain parameters, which are east-wes...
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