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Principles of Communication Engineering Discuss the impact of white noise in amplitude modulation systems and derive the signal-to-noise ratio (SNR).20247mPrinciples of Communication Engineering The power spectral density of white noise is (i) Zero (ii) Constant (iii) Exponential (iv) Parabolic20252mSensors and Actuators Which of the following is not a type of sensor error? (i) Gross error (ii) Random error (iii) Systematic error (iv) Analog error20242mSignal Conditioning and Data Acquisition SystemDescribe the various noise sources and noise reduction techniques in signal measurement systems.20257m
PreviousWhich of the following is an advantage of PCM over analog modulation techniques? (i) Requires less bandwidth (ii) Higher noise immunity (iii) Simpler receiver design (iv) Lower power requirementsNextWhich of the following techniques is used to reduce noise in PCM? (i) Companding (ii) Differential PCM (iii) Delta Modulation (iv) FDM