calling line identification restriction (CLIR)
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- direct call
- pulse decay time
- base station area
- compander
- code conversion
- threshold of flicker iritability
- code synchronization
- digital distribution frame
- digital selective calling system
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- microphone effect of variable capacitor
- acceptable quality level(AQL)
- generalized tamed frequency modulation (GTFM)
- talkaround
- Harmonic content
- decision instant of digital signal
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- image compression and coding