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Definition of "periodic waveform" |
phrase used to describe a waveform that repeats itself in a uniform, periodic manner. Mathematically, for the case of a continuous-time waveform, this characteristic is often expressed as x(t) = x(t ± kT ), which implies that the waveform described by the function x(t) takes on the same value for any increment of the kT , where k is any integer and the characteristic value T > 0, describes the fundamental period of x.t/. For the case of the discretetime waveform, we write x(n) = x(t ± kN), which implies that the waveform x(n) takes on the same value for any increment of sample number kN, where k is any integer and the characteristic value integer N > 0 describes the fundamental period of x(n). |
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