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In [[telecommunication]]s, '''direct-sequence spread spectrum''' is a [[modulation]] technique where the
transmitted signal takes up more [[bandwidth]] than the information signal that is being modulated, which
is the reason that it is called [[spread spectrum]]. DSSS has the following features:
# for generating spread-spectrum transmissions by [[phase]]-modulating a [[sine wave]] [[pseudorandom]]ly with a continuous [[string (computer science)|string]] of [[pseudonoise]] [[code]] symbols, each of duration much smaller than a [[bit]].
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