Numerical Investigation of the System-Matrix Method for Higher-Order Probe Correction in Spherical Near-Field Antenna Measurements

Table 3

Condition number of 𝐌 obtained with Hertzian 𝐩.

𝑁tr	𝜓=0	𝜓=0.5^∘	𝜓=1^∘	𝜓=2^∘
46	14.6	26.4	31.3	56.0
44	3.0	4.8	7.4	17.5
42	2.2	3.4	5.3	12.8
40	1.9	2.8	4.3	10.0
38	1.6	2.5	3.7	8.2