+Spectrum Analysis is the process of breaking down a complex [Signal](/wiki/signal) into its fundamental frequency components. This reveals the power or amplitude at each [Frequency](/wiki/frequency), offering insight into the signal's underlying structure and composition.
+## See also
+- [Fourier Transform](/wiki/fourier_transform)
+- [Signal Processing](/wiki/signal_processing)
+- [Waveform](/wiki/waveform)
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