what is EPOCH?

Asked by svmic.dbr | 17th Oct, 2014, 12:42: PM

Expert Answer:

Consider a particle executing simple harmonic motion along Y- axis. A simple harmonic oscillator oscillates about its mean position y = 0 to the maximum distance 'a' on both the sides which is known as the amplitude of simple harmonic oscillator. 
The displacement at any instant t is given by y = a sin (ωt+φ0). The argument of the sine function (ωt+φ0) is called as the phase of the simple harmonic oscillator at time t and φ0 is called the initial phase or epoch. ie.  at t= o , φ = φ0 and this φ0  is called as the epoch. ie. the displacement of an oscillating body at zero time.

Answered by Jyothi Nair | 19th Oct, 2014, 11:20: AM