... digital filtering11Time WeightingParallel F, S, I, Peak C+, Peak C-12A/D Bits24 bits13Level Linearity Range ... LAFeqT, LASeqT, LAIeqTNote: X is A, C, Z and Y is F, S, I18Main Parameters of Airport ... simultaneously complete all center frequencies and A, C, Z weighting.)21Statistical analysis FunctionStatistical analysis ... frequency; X is frequency weighting A, C, Z. Y is time weighting F, S, I23Real- ...