Q1 (a) List THREE (3) types of transmission impairment. (b) Differentiate between the Frequency Division Multiplexing (FDM) and Time Division Multiplexing (TDM) methods. Explain which method is more efficient for large number of users and high speed transmission.
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:
electronic communication system
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