EX-604 (C) Analog & Digital Communication Notes
5 notes for Analog & Digital Communication, unit by unit.
Notes for EX-604 (C)
- Unit 1 · Short notes Signal Representation and System Response Time domain and frequency domain representation of signal · Fourier Transform and its properties · Transform of gate and periodic gate · Impulse, periodic impulse, sine and cosine wave · Concept of energy density and power density (Parseval’s theorem) · Power density of periodic gate and impulse function
- Unit 2 · Short notes Modulation Techniques Base‑band signal and need of modulation · Introduction to modulation techniques · Amplitude modulation (AM) – equation and frequency‑domain representation · Bandwidth and power distribution of AM signals · AM suppressed‑carrier waveform – equation and frequency‑domain representation · Generation (balance/chopper modulator) and synchronous detection technique
- Unit 3 · Short notes Sampling and Digital Coding Sampling of signal · Sampling theorem for low‑pass and band‑pass signals · Pulse amplitude modulation (PAM) · Time‑division multiplexing (TDM) · Channel bandwidth for PAM‑TDM signals · Types of sampling: instantaneous, natural and flat‑top
- Unit 4 · Short notes Digital Modulation Techniques Generation, detection, equations and bandwidth of amplitude shift keying (ASK) · Binary phase shift keying (BPSK) · Differential phase shift keying (DPSK) · Offset and non‑offset quadrature phase shift keying (QPSK) · M‑ary PSK · Binary frequency shift keying (BFSK)
- Unit 5 · Short notes Information Theory and Coding Information theory – information, entropies (marginal and conditional) · Model of a communication system · Mathematical representation of source, channel and receiver characteristics · Mutual information and channel capacity · Efficiency of noise‑free channel · Binary symmetric channel (BSC) and binary erasure channel (BEC)
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- EX-608 Minor Project‑II