Dynamic range is the ratio of the largest and smallest values of a changeable quantity. In signal processing, it is a measure of the width of the range of frequencies, measured in Hertz. Two properties of changing signals are bandwidth and dynamic range, and these metrics are also specifications in the instrumentation that is used to display the signals.Ä«andwidth has numerous definitions, depending on the context. When you hook a signal up to an oscilloscope or spectrum analyzer, you have usually done so because you are looking at a signal that is changing over time.
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