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Download DIGITAL COMMUNICATIONS - J.S.CHITODE

Sampling and Waveform Coding Sampling theorem - Band pass sampling - PAM - PCM - Uniform and non-uniform quantization - Quantization error - DM and adaptive delta modulation - DPCM - TDM principles - Digital Hierarchy. Bandlimited Signalling Power spectra of PAM signals - Inter symbol interference - Ideal Nyquist channel - Raised cosine channels - Correlative coding - Eye patterns - Adaptive equalization for data transmission. Pass Band Data Transmission Pass band transmission model - ML criterion - Correlation receivers - Matched filters. Generation - Detection - Signal space diagram - Bit error probability and power spectra of BPSK - QPSK - FSK and MSK schemes - Performance comparisons - Carrier and bit synchronization. Error Control Coding Linear block codes - Cyclic codes - Convolution codes : Coding gain and Viterbi decoding of convolution codes - Trellis coded modulation. Spread Spectrum Systems Pseudo noise sequences - Generation - Principles of DSSS - Correlation properties - M-Sequence and gold sequence - FH-SS - Processing gain- Anti-jam

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