Multi-Field-Coupled Model and Solution of Active Electronically Scanned Array Antenna Based on Model Reconstruction

Table 3

Comparison between solution results using different methods.

	Gain (dB)	Beam direction (°)	Left sidelobe (dB)	Right sidelobe (dB)
Measured result	19.68	7.46	6.43	5.74
Model reconstruction	20.12	7.73	6.29	6.24
Relative error compared with experiment (%)	2.24	2.17	1.97	8.71
Software fitting	17.45	8.70	7.26	6.89
Relative error compared with experiment (%)	11.33	11.48	12.91	20.03
SET model	20.80	7.80	6.75	6.75
Relative error compared with experiment (%)	5.69	3.06	4.98	17.60