Concept
A circular chart is a graphical representation of data where the entire circle represents the whole dataset, and individual segments or slices represent parts of the whole. This visualization is useful for showing proportions and percentages, making it easy to compare parts of the data to the whole and to each other.
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Concept
Phase Modulation (PM) is a technique where the phase of a carrier wave is varied in accordance with the instantaneous amplitude of the modulating signal, allowing for efficient data transmission. It is widely used in digital signal processing and communication systems due to its robustness against noise and ability to carry more data compared to amplitude modulation.
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