Table 2.

R² fits for the predicted numerical error for regularly-sampled polar angles of the transform parameter W.

N	CZT–ICZT		ICZT–CZT
	Avg.	Std.	Avg.	Std.
16	0.96977	3.43535  ×  10−4	0.97642	2.94905  ×  10−4
32	0.98703	8.90973  ×  10−5	0.98932	1.15295  ×  10−4
64	0.99453	3.43848  ×  10−5	0.99520	1.75565  ×  10−5
128	0.99656	7.65721  ×  10−6	0.99680	1.40965  ×  10−5
256	0.99752	5.36489  ×  10−6	0.99758	4.72754  ×  10−6
512	0.99823	3.00392  ×  10−6	0.99824	2.84512  ×  10−6
1024	0.99863	9.77751  ×  10−7	0.99863	1.89758  ×  10−6
2048	0.99871	8.76893  ×  10−7	0.99871	1.55039  ×  10−6