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In this paper, a high precision algorithm to estimate initial phase offset fast is presented for airborne dual-antenna InSAR system. Firstly, the factors influencing the initial phase offset are analyzed, and then the influence of the initial phase offset to DEM is given. According to the analysis, the algorithm of real-time estimation of the initial phase offset with high precision is presented....
Switchgears are the key equipments in the distribution network. Operating switchgear with active Partial Discharge (PD) increases the risk of failure occurring at the time of switching leading to increased risk to the operator. PD in switchgears can be considered to take two forms, surface discharge and internal discharge, if allowed to continue, eventually causes the insulation to break down catastrophically...
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