Improved Carrier Frequency-Shifting Algorithm Based on 2-FFT for Phase Wrap Reduction

Table 1

Corresponding relationship between K, , and residual phase frequency.

		Amplification factor (K)
		10	20	30	40	50	100	250	500
Residual carrier frequency	15	0.300/512	0.250/512	0.367/512	0.325/512	0.320/512	0.320/512	0.320/512	0.322/512
	25	0.300/512	0.250/512	0.367/512	0.325/512	0.320/512	0.320/512	0.320/512	0.320/512
	35	0.300/512	0.250/512	0.367/512	0.325/512	0.320/512	0.320/512	0.320/512	0.322/512
	45	0.300/512	0.250/512	0.367/512	0.350/512	0.320/512	0.320/512	0.320/512	0.322/512
	55	0.300/512	0.250/512	0.367/512	0.350/512	0.320/512	0.320/512	0.320/512	0.322/512