5. Given i₁(t) i₁(t) + i₂(t). = 5cos(120πt – π/3) A and i₂(t): = 4sin(120πt — π/4) A, find the sum i(t) = (a) Plot i₁(t) and i2(t) over one period and determine the sum graphically by sampling several datapoints of i₁(t) and i₂(t) and adding them to fill in enough points to determine the sum. Write down the sum in the form Imazcos(120πt + 01). (b) Find the phasor representation of the sum i(t) algebraically.
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
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