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Telecommunications and Radio Engineering

Publicou 12 edições por ano

ISSN Imprimir: 0040-2508

ISSN On-line: 1943-6009

SJR: 0.185 SNIP: 0.268 CiteScore™:: 1.5 H-Index: 22

Indexed in

Frequency Dependences of Scattering Matrices in the Resonance Domain

Volume 55, Edição 4, 2001, 7 pages
DOI: 10.1615/TelecomRadEng.v55.i4.30
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RESUMO

Experimental results are presented, concerning frequency dependences of scattering matrices of wire-grid, lamellar and volume models of small size targets. Resonances have been revealed that exist owing to the polarization effects of mutual connection of currents flowing in vertically and horizontally oriented elements of the structure. As a result, the effective cross-section area may increase essentially (up to values commensurable with the scattering cross-section of a resonant half-wave dipole) when the radar wavelength is roughly four times longer than the vertical scale-size of the object and the transmit and receive antennas are both vertically polarized. This effect should be taken into account in the design of decameter wavelength ground-wave radars. Also, it has been found that cross-section areas in those cases where the transmit antenna is polarized horizontally, while the receive antenna is vertical, is nearly of the same magnitude as in the case of two horizontally polarized antennas. The value is comparable with the cross-section area of the resonant dipole. This should be borne in mind for the development of decameter wavelength bistatic radars employing target irradiation with a space (ionospheric) wave.

CITADO POR
  1. Lutsenko V. I., Lutsenko I. V., Popov I. V., Illumination of the Air Environment Using Radiation of HF Broadcast Stations, Radiophysics and Quantum Electronics, 58, 1, 2015. Crossref

  2. Lutsenko V. I., Lutsenko I. V., Popov I. V., Soboliak A. V., Anh Nguyen Xuan, Use of Radiation of Broadcast Stations of HF Range for Detection of Air Objects, 2020 IEEE Ukrainian Microwave Week (UkrMW), 2020. Crossref

  3. Lutsenko Vladyslav, Lutsenko Irina, Popov Ihor, Soboliak Aleksandr, Anh Nguyen Xuan, Babakov Mikhail, Active-Passive Radar Systems Using Radiation of HF Band Broadcasting Stations for Airborne Objects Detection, in Integrated Computer Technologies in Mechanical Engineering - 2020, 188, 2021. Crossref

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