An Improved Taguchi Algorithm Based on Fitting and Prediction for Linear Antenna Array Synthesis

Table 4

The cost comparisons of the improved method and the normal Taguchi method.

Fitness value	<10^0	<10^−1	<10^−2	<10^−3	<10^−4
nth iteration (normal)	30	35	51	N/A	N/A
Time cost (sec.) (normal)	113.88	135.03	203.09	N/A	N/A
nth iteration (proposed)	26	32	44	53	58
Time cost (sec.) (proposed)	97.35	120.45	168.71	205.94	227.30
Reduction of time cost (%)	14.52	10.80	16.93	N/A	N/A
Reduction of iterations	4	3	7	N/A	N/A
Reduction of experiments	320	240	560	N/A	N/A
Efficiency enhancement indexes (%)	13.33	8.57	13.73	N/A	N/A

N/A: not available.