Good post machan.
podi waradak man meke dakka. eka hadanna. Noise 1ka nemei wadi wenna oni machan, SNR (Signal to Noise ratio) eka. a kiyanne Signal power/Noise power
meke noise kiyala witharak dala thiyena nisa waradi adahasak enawa. noise 1ka wadi unoth ewarai. Line condition 1ka hodanam...