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Algorithm for measuring ultra-wideband bistatic radar characteristics of objects on compact radar range of matrix type

Keywords:

E.S. Emelyanov – Ph.D. (Eng.), Deputy Chief of Department of The Electronic Warfare Research Test Centre of Military Education-Research Center of Military Air Forces «Military aviation academy named for prof. N.E. Zhukovsky and Yu.A. Gagarin» (Voronezh)
S.V. Emelyanov – Ph.D. (Eng.), Engineer, of Open Society «Rosenergoproekt»
D.M. Ageev – Head of the Volga-Don Centre of Engineering Building of the Federal Network Company


At the moment of reflective radar characteristics (RLH) is preferably carried out on objects radiopoligonah compact, and in most cases RLH obtained for the case of a single point object sensing harmonic ( narrowband ) signals. However, modern and forward-looking radar is increasingly constructed by the bistatic scheme, and as a probe , use sophisticated ultra-wideband (UWB) signals. Feature obtaining bistatic UWB RLH on compact radiopoligonah is need for far field conditions at various angles of irradiation facility and receiving the reflected signal that under traditional principles of constructing compact radiopoligonov using collimators associated with a number of technical difficulties. Aim is to study possibilities of obtaining bistatic UWB RLH objects in a flat field exposure on the results of discrete frequency sounding object in the Fresnel zone. Radiopoligon matrix type based on matichnom measurement method, the essence of which is to obtain the operator of the measured object , indicating the transformation rule of the incident field to the scattered . It allows you to calculate reflected from the UWB signal by the inverse Fourier transform of the product of the discrete spectrum of the signal and the frequency response of a discrete object that is completely determined by the operator. These results confirm the possibility of measuring UWB RLH objects on compact radiopoligonah matrix method. This feature allows a detailed assessment of RLH objects at their actual location radars constructed from mono-and bistatic scheme with complex sounding UWB signals.
References:

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