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... does not depend on the frequency. Fig.2 Fig. 2 shows the relation between the reflectivity coefficient and frequency for three scanning angles: 0°, 30° и 60°°; the number of layers is 1; the width of ribbons is 0.1; the direction to the screen is 0.25; the array period is 0.25; the lumped resistance in this case is 377 Ohm. ... ... of the structure are assumed with frequency 1.09 for normal incidence, good matching is provided. The width of the operating wideband of the single layer AA with reflectivity coefficient equal to -20 dB is 20%. When the phasing angle is changed, the frequency,...