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Table 4 Comparison of computational complexity between AW-XWVD, S-transform and the conventional detector

From: Efficient phase estimation for the classification of digitally phase modulated signals using the cross-WVD: a performance evaluation and comparison with the S-transform

Methods of IIB-phase estimation Number of multiplication per symbol
AW-XWVD 6.41 × 105
S-transform 1.84 × 105
Conventional detector 3.20 × 102