x(t) represents a random signal captured from Mars, which contains a band of signal from 5KHz to 10KHz. An addition! nose signal having 40KH₂ to 50K H₂ has been added with the original signal r(t). The signal processing unit may select the sampling frequency between 20kH₂ to 30kH₂ only. After performing the sampling operation, i) illustrate the approximate frequency spectrum with respect to the normalized frequency, and ii) mention the final band of the amisting analog signal at the output of the Digital to Analog (DAC) converter.
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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