Male Pelvic Pain : Self-help strategies. We understand that finding help for your pelvic pain can be difficult. Even knowing what to call the problem can be confusing with a mix of different names often used including Chronic Prostatitis, Chronic Pelvic Pain Syndrome or Chronic Urogenital Pain Syndrome.
The terahertz, abbreviated THz, is a unit of electromagnetic (EM) wave frequency equal to one trillion hertz (10-to-the-12th power Hz). The terahertz is used as an indicator of the frequency of inf...
Total harmonic distortion. The total harmonic distortion, or THD, of a signal is a measurement of the harmonic distortion present and is defined as the ratio of the sum of the powers of all harmonic components to the power of the fundamental frequency. THD is used to characterize the linearity of audio systems and the power quality of electric power systems.