section a-a a-a

Critical band wavelet transform

discrete cosine transform in wavelet domain

M-band wavelet transform

data transform in frequency domain

cold damage in a narrow sense

in a narrow sense

in-band frequency assignment

narrow -band in terference

in-band frequency

energy in frequency band

UHF signal in narrow-band

A band A

A-A-A conjugation structure

S-A(A-A) missile

silicon controlled rectifier A-A frequency converter

A.A.A.

Narrow band frequency

Narrow Band Frequency Modulation