Examining the Differences Between Filtering Techniques LeCroy Application Brief No. LAB 767 ERES vs. Boxcar Averaging Examining the Differences Between Filtering Techniques smoothing techniques. impulse response (FIR) filter Boxcar averaging has, histori- with a more desirable low pass cally, been the method of Boxcar averaging adds N adja- frequency response. The prin- choice for smoothing transient cent samples, divides the sum cipal advantage of the ERES waveforms. LeCroy introduced by N, and then writes that val- technique is that it produces a enhanced resolution (ERES) as ues into the Nth sample loca- frequency respo……