HARMONICS A characteristic of energy generated by a vibration is that there will be a number of frequencies appearing up the frequency spectrum at multiples of the fundamental frequency. These are called Harmonics. The fundamental frequency is also the first harmonic.
In North Carolina, a DWI is usually a misdemeanor crime. However, if you have three or more DWI's in the past 10 years, you commit the felony offense of habitual impaired driving (Habitual DWI). Conviction of a felony Habitual DWI results in at least 12 months incarceration and a permanent license revocation.
DUI Felony laws vary greatly. Many have time constraints as so a DUI offense can only be. considered a felony if the previous DUI offense was within five or 10 years. DUI Felony Conviction Does Not Equal Incarceration. An offender convicted of a felony DUI offense is not guaranteed incarceration.