英语词汇“power spectrum”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

power spectrum

noun Physics

The distribution of the energy of a waveform among its different frequency components.The relative values of the different components in the Fourier power spectrum express the comparative contribution of those frequencies of variation to the total energy of the original function....

We measured maximum frequency and minimum frequency of the fundamental harmonic of the call from spectrograms, and frequency of most energy from a power spectrum.
The spatial frequency and direction of any component in the power spectrum are given by the length and direction, respectively, of a vector from the origin to that point.

单词	power spectrum
释义	power spectrum noun Physics The distribution of the energy of a waveform among its different frequency components.The relative values of the different components in the Fourier power spectrum express the comparative contribution of those frequencies of variation to the total energy of the original function.... We measured maximum frequency and minimum frequency of the fundamental harmonic of the call from spectrograms, and frequency of most energy from a power spectrum. The spatial frequency and direction of any component in the power spectrum are given by the length and direction, respectively, of a vector from the origin to that point.
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