Terms: Acoustic Signatures (63,800), acoustic signature (140,000), ultrasonic signature (845), ultrasonic signatures (277), infrasonic signatures (140), infrasonic signature (101), infrasound signature (78), infrasound signatures (68), ultrasound signature (140), ultrasound signatures (20),
Boolean: acoustic +signatures (1,430,000), acoustic +signature (7,780,000), acoustic +target +classification (596,000), multicriteria +detection (60,900), wavelet +signatures (226,000),
Terms: acoustic interferometry (1,070), acoustic detection (127,000), remote detection (153,000), acoustic holography (22,800), event detection (511,000), acoustic monitoring (181,000), acoustic tracking (39,400),
Terms: associative memory (501,000), 3D resonance (893), 3D resonant (572),
Terms: multifrequency detection (95), wavelet detection (937), acoustic target detection (78), acoustic target classification (48), acoustic target localization (33),
Terms: target detection (586,000), target classification (79,300), target localization (66,600), target discrimination (113,000), target recognition (442,000), target tracking (593,000), target identification (787,000),
Terms: acoustic target identification (63), radar target identification (2,560),
Terms: source localization (222,000),
Terms: self noise (218,000), ergodic theorem (108,000), acoustic daylight (1,640), background noise (7,710,000), noise background (98,400),
Terms: ecological acoustics (1,630), acoustic signatures of plants (6), bat listening (376), animal sounds (2,270,000), plant sounds (18,900), earth sounds (105,000), seismic signatures (19,300),
Terms: acoustic reflection microscopy (4), reflection microscopy (26,300),