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.
Like any other criminal offense, a DUI can be classified as a misdemeanor or felony. While most DUIs are misdemeanors, if you are a repeat offender (meaning you have three or more prior drunk driving convictions on your record), or were involved in a serious auto accident, you will most likely face felony charges.