Analysis of Accuracy of GNSS Receivers for Strong Seismic Waves
Abstract In this paper, we conduct analysis of signal amplitude-frequency characteristics of strong seismic waves. Based on this analysis, sinusoidal strong seismic waves are generated by a GNSS signal simulator. Moreover, the performance of high-rate (50 Hz) GNSS observations collected by two GNSS receivers (Trimble Net-R9 and NovAtel OEM628) are evaluated from the aspects of raw carrier phase observations and positioning results, respectively. The results show a significant error in both carrier phase and positioning results, in the case of high-frequency motion. Furthermore, the measuring accuracy of two GNSS receivers, especially the Trimble Net-R9, deteriorates with the increase of the frequency of sinusoidal seismic wave.
Key words :
strong earthquake
high-rate GNSS
sinusoidal motion
carrier phase
positioning
Cite this article:
ZHANG Penghui,ZHANG Tisheng,ZHANG Hongping et al. Analysis of Accuracy of GNSS Receivers for Strong Seismic Waves[J]. jgg, 2016, 36(3): 278-282.
ZHANG Penghui,ZHANG Tisheng,ZHANG Hongping et al. Analysis of Accuracy of GNSS Receivers for Strong Seismic Waves[J]. jgg, 2016, 36(3): 278-282.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2016/V36/I3/278
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