"density" nach Englisch mit Beispielen - Kollokationen-Wörterbuch Englisch
- Consider the well known power spectral density and the signal auto-correlation function in the case of a stationary process.
- Specific applications may be concerned with changes in the mean, variance, correlation, or spectral density of the process.
- Also, we are defining the power spectral densities as follows:
- Second, the sample spectrum which deviates from the assumed spectral density is another one.
- The spectral density of these switching waveforms has energy concentrated at relatively high frequencies.
- The noise power spectral density in the frequency range of interest.
- The value of the energy spectral density at is then estimated to be .
- More generally, similar techniques may be used to estimate a time-varying spectral density.
- Most "frequency" graphs really display only the spectral density.
- The periodogram is an estimate of the spectral density of a signal.
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