GPR-SLICE Software - Fixing GPS Latency in Time Slices
Автор: GPRSURVEY
Загружено: 2016-01-20
Просмотров: 2193
Описание: GPR-SLICE Software - Fixing GPS latency Seen on Time Slices - example from an SIR 4000 dataset ( data courtesy of Ryan North - US Army Corps of Engineers): Recording of GPR/GPS surveys can lead to phase lags between radar control units and rtk GPS recordings. These latency problems can make themselves present very clearly on time slice images from uncorrected data. For zig-zag surveys with the GPR/GPS system, staggering of linear features will result. Correcting the GPS track can be easily handled in GPR-SLICE Software using several methods. For this dataset, simply shifting the GPS 0.75s over the recorded radar scans, the GPS staggering in the time slices is fixed. After the correction, several very clear utility lines can be seen, which could not be seen in the uncorrected time slices. (www.GPR-SURVEY.com)
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