From: DOA estimation of spectrally overlapped LFM signals based on STFT and Hough transform
Algorithm
Computation complexity
TF-MUSIC [7]
O(NM2Ls2log2Ls)
STFT-FBSS-MUSIC [25]
O(NKLs2log2Ls)
The reference [24]
O(NMLs2log2Ls + Δ1)
The proposed algorithm
O(NMLs2log2Ls + Δ2)