EURASIP Journal on Advances in Signal Processing

Table 1 Complexity of the three single-shot techniques with N _a=16 receiving antenna branches

From: Low-complexity DOA estimation from short data snapshots for ULA systems using the annihilating filter technique

	K=2		K=4
	R=100	R=500	R=100	R=500
Bayesian method	35.32×10⁶	8.83×10⁸	7.9200×10¹¹	4.95×10¹⁴
DML	94.42×10⁶	2.3605×10⁹	1.1244×10¹²	7.0275 ×10¹⁴
AF-based	2484	2484	7464	7464

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