Abstract: One of the main problems of control of unmanned aerial vehicles (UAV) is
restricted communication
range in VHF
range. Thus potential range of flight taking into account constructive and
technical possibilities UAV can exceed several times the maximum range of a communication range with UAV. Possible variant of disambiguation
is the organization of the channel of a radio service with UAV in range HF. However
layout of transmitting short wave antennas on the body small-size UAV is
challenging task. Electrical full-size antennas essentially exceed overall
dimensions UAV, and their truncation for the purpose of setting within the case
leads to essential lowering of antenna power gain. At the same time magnet antennas (for example, the
resonance frame antenna) have essentially smaller overall dimensions at
comparable characteristics. In research paper design
of pre-production models original magnetic resonance frame HF antennas HF UAV
of small range (SR) in executions by two variants is presented: for a ground
distant operations control center and for onboard layout. Development was carried out in some stages:
creation of 3D-model of the airborne antenna taking into account a construction
typical UAV SR, modeling and calculation of characteristics of a breadboard
model of an onboard variant of the antenna on the basis of a method of the
moments, manufacture, adjustment and measurement of parameters of
pre-production models of ground and onboard variants of execution. The fabricated
antennas have small overall dimensions and characteristics comprehensible to
practical maintenance.
Key words: the unmanned aerial vehicle, the magnet antenna, 3D-model,
method of the moments, full-scale tests.
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