Research Article

Wideband Flat Radomes Using Inhomogeneous Planar Layers

Table 2

The unknown coefficients of the truncated Fourier series for ( 𝜀 𝑟 ) m i n = 1 . 0 5 .

𝐶 0 𝐶 1 𝐶 2 𝐶 3 𝐶 4 𝐶 5 𝐶 6 𝐶 7 𝐶 8 𝐶 9 𝐶 1 0

𝑑 = 2 . 5  cm 29.04624.689 5.8701 20.617 20.55129.9998.613711.6949 6.12177.65550.2282
𝑑 = 5 . 0  cm 30.000 3.4358 19.617 1.3242 6.88440.920114.47351.935317.26402.184825.0426
𝑑 = 7 . 5  cm 8.5288 1.3020 1.3469 0.4938 0.92100.14051.29220.58391.26051.23457.2452
𝑑 = 1 0  cm 3.0284 0.0009 0.31820.0019 0.00760.00260.15340.00230.09760.00210.0659