uraw ne yscm UIOCK UlagTam. 4 (a) What do you think is the primary requirement for Delta Modulation? (b) If we increase the step size in a PCM system, what is the effect on (SNR)q? For a 7 bit PCM system with input as a fully loaded sinusoidal signal what will be the (c) (SNR)q in dB? If the maximum frequency of a baseband signal is 4KHZ, which is the input to an 8-bit (d) PCM, what should be the channel bandwidth for a distortion less transmission? (e) Why is a delay block required in the transmitter and receiver system of a DM? (e)
Quantization and Resolution
Quantization is a methodology of carrying out signal modulation by the process of mapping input values from an infinitely long set of continuous values to a smaller set of finite values. Quantization forms the basic algorithm for lossy compression algorithms and represents a given analog signal into digital signals. In other words, these algorithms form the base of an analog-to-digital converter. Devices that process the algorithm of quantization are known as a quantizer. These devices aid in rounding off (approximation) the errors of an input function called the quantized value.
Probability of Error
This topic is widely taught in many undergraduate and postgraduate degree courses of:
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