多选题What are three factors that limit the maximum distance of an amplified optical signal without regeneration? （）(Choose three.)Afiber dispersionBsignal attenuationCtransmitter powerDamplifier bandwidthEreceiver dispersion tolerance
多选题
What are three factors that limit the maximum distance of an amplified optical signal without regeneration? （）(Choose three.)
A
fiber dispersion
B
signal attenuation
C
transmitter power
D
amplifier bandwidth
E
receiver dispersion tolerance
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