例句與造句

1. "' Analog communication systems : "'spectral analysis of these operations, superheterodyne noise conditions.
2. Prior to the introduction of addressed digital communications, some real-world analog communications systems performed a function very similar to the fictional CRM-114.
3. "' Spectral regrowth "'is a general term used to describe intermodulation products generated in the presence of a digital transmitter added to an analog communication system.
4. In a carrier-modulated passband analog communication system, a certain carrier-to-noise ratio ( CNR ) at the radio receiver input would result in a certain signal-to-noise ratio in the detected message signal.
5. Communication systems : amplitude and angle modulation and demodulation systems, spectral analysis of these operations, superheterodyne receivers; elements of hardware, realizations of analog communication systems; signal-to-noise ratio ( SNR ) calculations for amplitude modulation ( AM ) and frequency modulation ( FM ) for low noise conditions.
6. It's difficult to find analog communication system in a sentence. 用analog communication system造句挺難的