Bandpass filter
a filter that attenuates all frequencies except those of a specific band, which it amplifies.
noun
(electronics) a filter that transmits only those currents having a frequency lying within specified limits compare high-p-ss filter, low-p-ss filter
an optical device, consisting of absorbing filters, for transmitting electromagnetic waves of predetermined wavelengths
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- Bands
a company of persons or, sometimes, animals or things, joined, acting, or functioning together; aggregation; party; troop: a band of protesters. music. a group of instrumentalists playing music of a specialized type: rock band; calypso band; mariachi band. a musical group, usually employing br-ss, percussion, and often woodwind instruments, that plays especially for marching or […]
- Geneva bands
two bands or pendent stripes made usually of white lawn and worn at the throat as part of clerical garb, originally by the swiss calvinist clergy. plural noun a pair of white lawn or linen strips hanging from the front of the neck or collar of some ecclesiastical and academic robes
- Bandsman
a musician who plays in a band. historical examples music is a delightful thing; but for a young man, like you, a bandsman in a line regiment is only a bandsman, after all. the queen’s scarlet george manville fenn when they all got back, he would bring the bandsman to see me without fail. notes […]
- Bandspreading
noun an additional tuning control in some radio receivers whereby a selected narrow band of frequencies can be spread over a wider frequency band, in order to give finer control of tuning
- Bandurria
a spanish musical instrument of the guitar family with six pairs of double strings. historical examples bandurria; spanish, eighteenth century; played with a plectrum usually made of tortoise-sh-ll. musical myths and facts, volume i (of 2) carl engel three men were sitting on the doorstep of a house, two playing guitars, one playing the bandurria. […]