Effect of Surface Error Distribution and Aberration on Electromagnetic Performance of a Reflector Antenna

Figure 7

Beam contour patterns of the far-field radiation with the OPD distributed in the first 21 normalized Zernike polynomials. The magnitudes of contours range from “peak” to “peak-30 dB.”

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)

(k)

(l)

(m)

(n)

(o)

(p)

(q)

(r)

(s)

(t)

(u)