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Journals and Conferences
This article describes the procedure of digital beam forming, which allows expanding the bandwidth of the digital antenna array. The method is based on matrix representation of the discrete Fourier… (More)
With the development of radio systems and wide applications of phased antenna-arrays, the problem arises of frequency bandwidth widening with the same or bigger scanning sector. Variants of… (More)
Wideband active phased array antennas with wide angle scanning (Deltathetas<sub>CK</sub>=150deg) is considered.
Experimental investigation of the array with cosecant-shape Far-field pattern, working in L-band (1030-1090 MHz; 1450-1550 MHz) is presented. Comparison Results of the given date with the results of… (More)
Two algorithms for synthesis the scanning concentric ring antenna-array (CRAA) using Fourier-Bessel and Shlemilkh transforms are considered.
The new applications of DSP in active phased antenna arrays are considered. Such tasks as broadband, super focus, loss reduction by elimination of the analog channel of microwave devices.
The method of synthesis is presented for omni-directional microstrip ring antenna array (RAA) arranged on a conducting conical surface.
Electrodynamical and mathematical models of the antenna array with wide angle scanning and monopulse operation mode were developed. Directivity characteristics and construction schematics were… (More)
Methods of designing the antenna arrays with aperture hexagonic structure and the spatial element arrangement are considered. Directivity characteristics with regular and in-phase aperture excitation… (More)
The possibility of implementation of the dual-band (X-band and L-band) on-board naval radar with wide angle scanning based on a new class of transmit/receive (T/R) modules with radiator printed on… (More)