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Principles of Communication
Systems, Third Edition
Herbert Taub, Donald L Schilling,
Goutam Saha
Chapter 12
Noise in PCM and DM Systems
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PCM Transmission-1
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PCM Transmission-2
Fig. 12.1 or the binary output signal may be used to modulate a carrier as in PSK or FSK.
In any case, the received signal is detected by a matched filter to minimize errors in
determining each binary bit and thereafter passed on to a D/A converter. The output of the
D/A to converter is called
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Quantization Noise in PCM-1
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Quantization Noise in PCM-2
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Thermal Noise in PCM
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Output SNR in PCM-1
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Output SNR in PCM-2
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DM System
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Quantization Noise in DM-1
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Quantization Noise in DM-2
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Output SNR in DM
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Quantization Noise Comparison
for PCM and DM
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Thermal Noise in DM-1
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Thermal Noise in DM-2
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Output SNR in DM
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Comparison of PCM and DM-1
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Comparison of PCM and DM-2
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Space Shuttle ADM-1
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Space Shuttle ADM-2
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End of Chapter 12
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