Radar Working State Recognition Based on the Unsupervised and Incremental Method

Table 6

Comparison of clustering indexes before and after optimization.

Data set	Algorithm	Purity	RI	-measure
A	PSO-AP	0.890	0.904	0.725
	AP	0.715	0.795	0.528
B	PSO-AP	0.805	0.848	0.599
	AP	0.661	0.782	0.424
APAR	PSO-AP	0.998	0.999	0.995
	AP	0.892	0.935	0.776