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DECODE-Principles of Communication

DECODE ISBN-9789333205733
10% Discount
₹ 125.00
₹ 113.00
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Unit I
Introduction : Overview of communication system, Communication channels, Need for modulation, Baseband and passband signals, Amplitude modulation : Double Side Bandwith Carrier (DSB-C), Double side band without carrier, Single side band modulation, DSB-SC, DSB-C, SSB modulators and demodulators, Vestigial Side Band (VSB), Quadrature amplitude modulator, Radio transmitter and receiver.
Unit II
Angle modulation, Tone modulated FM signal, Arbitrary modulated FM signal, FM modulators and demodulators, Approximately compatible SSB systems, Stereophonic FM broadcasting, Examples based on Matlab.
Unit III
Pulse modulation, Digital transmission of analog signals : Sampling theorem and its applications, Pulse Amplitude Modulation (PAM), Pulse width modulation, Pulse position modulation. Their generation and demodulation, Digital representation of analog signals, Pulse Code Modulation (PCM), PCM system, Issues in digital transmission : Frequency division multiplexing, Time division multiplexing, Line coding and their power spectral density, T1 digital system, TDM hierarchy.
Unit IV
Differential pulse code modulation, Delta modulation, Adaptive delta modulation, Voice coders, Sources of noises, Frequency domain representation of noise, Superposition of noises, Linear filtering of noises, Mathematical representation of noise.
Unit V
Noise in amplitude modulation : Analysis, Signal to noise ratio, Figure of merit, Noise in frequency modulation : Preemphasis, Deemphasis and SNR improvement, Phase locked loops analog and digital.

 

Unit I
Introduction : Overview of communication system, Communication channels, Need for modulation, Baseband and passband signals, Amplitude modulation : Double Side Bandwith Carrier (DSB-C), Double side band without carrier, Single side band modulation, DSB-SC, DSB-C, SSB modulators and demodulators, Vestigial Side Band (VSB), Quadrature amplitude modulator, Radio transmitter and receiver.
Unit II
Angle modulation, Tone modulated FM signal, Arbitrary modulated FM signal, FM modulators and demodulators, Approximately compatible SSB systems, Stereophonic FM broadcasting, Examples based on Matlab.
Unit III
Pulse modulation, Digital transmission of analog signals : Sampling theorem and its applications, Pulse Amplitude Modulation (PAM), Pulse width modulation, Pulse position modulation. Their generation and demodulation, Digital representation of analog signals, Pulse Code Modulation (PCM), PCM system, Issues in digital transmission : Frequency division multiplexing, Time division multiplexing, Line coding and their power spectral density, T1 digital system, TDM hierarchy.
Unit IV
Differential pulse code modulation, Delta modulation, Adaptive delta modulation, Voice coders, Sources of noises, Frequency domain representation of noise, Superposition of noises, Linear filtering of noises, Mathematical representation of noise.
Unit V
Noise in amplitude modulation : Analysis, Signal to noise ratio, Figure of merit, Noise in frequency modulation : Preemphasis, Deemphasis and SNR improvement, Phase locked loops analog and digital.

 

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