TIF ('u','Nharm'=50,'Frequency'=50)

Calculates the Telephone Interference Factor of 'u', considering the first 'Nharm' harmonics.

K_n = 5*n*Fequency

P_n = BTS coefficient (British Telephone System)

U_n : Effective value of the voltage the nth harmonic component of signal u

U₁ : Examples