The possibility of measuring low altitudes above the sea surface with pulsed laser altimeter under conditions of fog

D. T. Nguyen; E. G. Lebedko

doi:10.1117/12.2517432

7 March 2019 The possibility of measuring low altitudes above the sea surface with pulsed laser altimeter under conditions of fog

D. T. Nguyen, E. G. Lebedko

Author Affiliations +

Proceedings Volume 11053, Tenth International Symposium on Precision Engineering Measurements and Instrumentation; 1105311 (2019) https://doi.org/10.1117/12.2517432
Event: 10th International Symposium on Precision Engineering Measurements and Instrumentation (ISPEMI 2018), 2018, Kunming, China

Abstract

This paper presents analysis of the possibility to design all-weather pulse laser altimeters for measuring lowaltitudes above the sea surface. We proposed special design features which consider the low reflection coefficient and the reflective properties of random rough sea surface. Backscattering by fog with various density was analyzed. With considering the reflection coefficient from the sea surface less than 4%, we proposed measurement method based on the drop of the backscattering signal. We examined the measurement range and measurement errors depending on the transfer function of the receiving-amplifying circuit for inertial and non-inertial detection. The energy compensation for specified measurement precision was carried out.

Citation Download Citation

D. T. Nguyen and E. G. Lebedko "The possibility of measuring low altitudes above the sea surface with pulsed laser altimeter under conditions of fog", Proc. SPIE 11053, Tenth International Symposium on Precision Engineering Measurements and Instrumentation, 1105311 (7 March 2019); https://doi.org/10.1117/12.2517432

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