Improvement of antenna decoupling in radar systems

Liliana Anchidin; Raluca Topor; Razvan D. Tamas; Ana Dumitrascu; Alin Danisor; Serban Berescu

doi:10.1117/12.2070179

20 February 2015 Improvement of antenna decoupling in radar systems

Liliana Anchidin, Raluca Topor, Razvan D. Tamas, Ana Dumitrascu, Alin Danisor, Serban Berescu

Proceedings Volume 9258, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies VII; 925831 (2015) https://doi.org/10.1117/12.2070179
Event: Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies 2014, 2014, Constanta, Romania

Abstract

In this paper we present a type of antipodal Vivaldi antenna design, which can be used for pulse radiation in UWB communication. The Vivaldi antenna is a special tapered slot antenna with planar structure which is easily to be integrated with transmitting elements and receiving elements to form a compact structure. When the permittivity is very large, the wavelength of slot mode is so short that the electromagnetic fields concentrate in the slot to form an effective and balanced transmission line. Due to its simple structure and small size the Vivaldi antennas are one of the most popular designs used in UWB applications. However, for a two-antenna radar system, there is a high mutual coupling between two such antennas due to open configuration. In this paper, we propose a new method for reducing this effect. The method was validated by simulating a system of two Vivaldi antennas in front of a standard target.

Citation Download Citation

Liliana Anchidin, Raluca Topor, Razvan D. Tamas, Ana Dumitrascu, Alin Danisor, and Serban Berescu "Improvement of antenna decoupling in radar systems", Proc. SPIE 9258, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies VII, 925831 (20 February 2015); https://doi.org/10.1117/12.2070179

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