A PCM-Based Vocoder/Decoder ... and an encoder with both Manchester and AMI signaling, providing the concept of AWGN channel, in addition to regenerative repeaters. A project focused on sampling, ...

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Abstract: A standard CMOS technology has been employed in LSI realization of a pulse-code-modulation (PCM) encoder and decoder for per-channel applications in telephony. Innovations in the design of ...

After simulating the modulation signals through the UWA channel, the time domain signals are pre-processed by the linear TFA method: synchrosqueezing transform (SST) that are converted into the ...

Raytheon Co., Tucson, Ariz., is being awarded an $8,761,875 modification to a previously awarded firm-fixed-price contract for the replacement of the Pulse Code Modulation (PCM) Encoder due to ...

Digital signals are more easily separated from noise and can be regenerated in their original state. The conversion of analogue signals to digital signals therefore eliminates the problems caused by ...