5D Parameter Estimation of Near-Field Sources Using Hybrid Evolutionary Computational Techniques

Table 5

Estimation accuracy for 3 sources at SNR = 5 dB.

Scheme	𝑎1	𝑓1; (MHz)	𝑟1; (𝜆)	𝜃1; (rad)	𝜙1; (rad)	𝑎2	𝑓2; (MHz)	𝑟2; (𝜆)	𝜃2; (rad)	𝜙2; (rad)	𝑎3	𝑓3; (MHz)	𝑟3; (𝜆)	𝜃3; (rad)	𝜙3; (rad)
Desired	3.0000	70.0000	6.0000	0.2618	0.6109	1.0000	45.0000	2.4000	0.7854	2.4435	7.0000	30.0000	4.3000	1.4835	3.7525
IPA	3.3711	78.8790	6.1712	0.4329	0.7820	1.4711	54.9876	2.5712	0.9567	2.6145	7.1710	39.8791	4.4711	1.6547	3.9235
PS	3.2047	77.2137	6.1047	0.3665	0.7156	1.3047	53.1124	2.1047	0.8901	2.5483	7.1045	38.1236	4.4048	1.5884	3.8572
GA	3.1824	75.8711	6.0423	0.3142	0.6534	1.2422	49.8879	2.4425	0.8279	2.4860	7.0426	35.4398	4.3424	1.5259	3.7950
GA-IPA	3.0584	72.3298	6.0385	0.3002	0.6494	1.1385	47.6675	2.4384	0.8239	2.4820	7.0382	32.9983	4.3384	1.5220	3.7910
GA-PS	3.0357	71.1903	6.0156	0.2775	0.6266	1.0958	46.1290	2.4158	0.8013	2.4592	7.0158	31.6722	4.3158	1.4993	3.7684