A sawtooth wave is a type of non-sinusoidal waveform that rises upward linearly and then sharply drops, resembling the teeth of a saw. This waveform is characterized by its distinctive linear rise and abrupt fall, which gives it a unique harmonic content that can be decomposed into a series of sinusoidal components using Fourier series. Its periodic nature makes it important in the study of signal processing and various applications in electronics and acoustics.
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