1. Sounds with definite pitch have harmonic frequency spectra or close to harmonic spectra. 2. The dominant harmonic frequencies are sidebands of the PWM frequency and multiples thereof. 3. A harmonic frequency is an integer multiple of the fundamental frequency. 4. The harmonic frequencies are exact integer multiples of the fundamental frequency. 5. Therefore, the DTFT diverges at the harmonic frequencies , but at different frequency-dependent rates. 6. Radio emissions are often caused by harmonic frequencies of the system clock and switching currents. 7. This is often represented by the use of amplitude-variant Dirac delta functions at the harmonic frequencies . 8. The name came from a book about extra-terrestrial beings using planetary harmonic frequencies to navigate space. 9. The ideal square wave contains only components of odd-integer harmonic frequencies ( of the form ). 10. The harmonic frequency of the bonding electron is the result of the energy of that bond.
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