Open AccessNumerical time domain method for calculation of the indicated DVOR bearing in dynamically disturbed scenarios
Author(s) -
Sandmann Sergei,
Bredemeyer Jochen,
Schrader Thorsten,
Garbe Heyno
Publication year - 2019
Publication title -
iet microwaves, antennas and propagation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.555
H-Index - 69
eISSN - 1751-8733
pISSN - 1751-8725
DOI - 10.1049/iet-map.2018.5591
Subject(s) - bearing (navigation) , range (aeronautics) , antenna (radio) , amplitude , omnidirectional antenna , time domain , signal (programming language) , frequency domain , acoustics , computer science , doppler effect , finite difference time domain method , phase (matter) , control theory (sociology) , electronic engineering , engineering , aerospace engineering , physics , telecommunications , optics , artificial intelligence , control (management) , astronomy , computer vision , programming language , quantum mechanics
The disturbing effects of scattering objects such as wind turbines (WTs) and other buildings on the flight navigation aid Doppler very high frequency omnidirectional radio range (DVOR) have been addressed in previous publications. Nevertheless, a practically feasible possibility to precisely and consistently predict the DVOR bearing deviation before the buildings’ construction is still missing. In this contribution, a method based on numerical simulations is presented which allows calculating the DVOR receiver's antenna voltage in the time domain for dynamically disturbed environments. Separating its frequency modulated and amplitude modulated content, the indicated DVOR bearing is calculated subsequently by determining the corresponding phase difference. Finally, the calculation results are validated by in situ measurements of DVOR signal disturbances in the environment of eight WTs.