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Telecommunications and Radio Engineering
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ISSN Druckformat: 0040-2508
ISSN Online: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v69.i17.30
pages 1529-1540

DEPENDENCE BETWEEN THE SIGNAL DELAY AND RETRANSMITTER PARAMETERS

D. A. Velychko
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine
S. A. Velichko
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine

ABSTRAKT

The signal delay dependences are defined for the case when the reflector and antenna sizes excessively exceed the wavelength. The arguments in the dependences are the deviations of the amplitude and phase characteristics of the retransmitter unit from the reverse radiation conditions, while one side component of the spectrum is completely suppressed. The Fresnel-Kirchhoff scalar field equation and a model of the retransmitter meter have served as the basis of the numerical estimation of the dependences. It has been proven that the measurement error can be essentially reduced by manipulating the phase shift at the repeater input. It has been revealed that the linear nature of the phase-to-distance relation got distorted when the plane reflector is approached to the near-field boundary.

REFERENZEN

  1. Velichko, A.F., Velichko, D.A., and Kurbatov, I.V., Phase ratio and methods of reducing the measurement errors in the multi-frequency retransmitting systems.

  2. Velichko, D.A., Characteristics of a signal reflected by a plane obtained by the relay measurement method.

  3. Velichko, D.A., Simulation of characteristics of a multi-frequency retransmitting system.

  4. Max Born, M.A., Dr. Phil., F.R.S., Emil Wolf, Ph.D., Principles of Optics. Electromagnetic Theory of Propagation, Interference and Diffraction of Light.

  5. Silver, S., Microwave Antenna Theory and Design, MIT Radiation Laboratory Series.

  6. Skolnik, M., Reference book on radar.

  7. Laybros, S., Combes, P.F., and Mametsa, H.J.,, The "Very-Near-Field" Region of Equiphase Radiating Apertures.

  8. Velichko, A.F. and Velichko, D.A., Characteristics of a reflected signal obtained by the relay method and limited suppression of side spectral components.


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