2-DMAS	Second-order delay multiply and sum
2-FMAS	Second-order frame multiply and sum
2-sDMAS	Second-order signed delay multiply and sum
2-sFMAS	Second-order signed frame multiply and sum
Bp	Bandpass
CF	Coherence factor
CNR	Contrast-to-noise ratio
CR	Contrast ratio
DAS	Delay and sum
DC	Direct current
DMAS	Delay multiply and sum
FMAS	Frame multiply and sum
FWHM	Full width at half maximum
JTR	Joint transmitting-receiving
MAS	Multiply and sum
MTR	Mixed transmitting-receiving
MV	Minimum variance
pGSC	Partial generalized sidelobe canceler
PWC	Plane wave compounding
SNR	Signal-to-noise ratio