Airborne meteorological monitoring system control with account for radar system blind areas

Information and measuring and control systems


Аuthors

Kokuev A. A.1*, Makarov K. V.2**, Timoshenko A. V.3***

1. Compani «RTI», 10, 8 Marta street, Bld. 1, Moscow, 127083, Russia
2. Group of Companies «RTI», 10/1, 8 Marta str., Moscow, 127083, Russia
3. Radiotechnical Institute named after academician A.L. Mintz, 10-1, str. 8 March, Moscow, 127083, Russia

*e-mail: akokuev@oaorti.ru
**e-mail: kmakarov@oaorti.ru
***e-mail: atimoshenko@rti-mintsu

Abstract

The paper aims at vindication of the necessity to account for radar stations blind areas while controlling airborne meteorological monitoring systems.

The paper analyzes radar station operating within the metrological system and develops radar station mathematical model. It also reveals detection areas zonal limitations, stipulated by the radar station design principle, and elucidates metrological monitoring figure of merit, consisting in a of single aircraft detection area width.

The authors hypothesize that accounting for radar station blind areas will allow provide non-occurrence of such monitoring areas sections, where convective clouds areas would not be detected. Based on the analysis the authors performed numerical modeling of meteorological monitoring figure of merit value, namely, the single aircraft detection area width, in relation to the angle at which the watch in monitoring area is performed. Modeling is performed either with accounting for the blind area, or neglecting it. The obtained difference in a single aircraft detection area widths reaches 14% for certain search angle values. It allows consider the above said hypothesis on the necessity to account for blind area impact confirmed.

A mathematical model of the radar system was supplemented according to the necessity of considering the blind areas. Hypothesis of the necessity of accounting for radar stations blind areas of the airborne meteorological monitoring systems was put forward and confirmed by numerical modeling.

Keywords:

information support, meteorological monitoring, meteo-navigation radar, blind area, convective clouds

References

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