Signal Averaging, SNR, oversampling, repetitiv system, thz, mhz, ghz, fs, femto, second, ps, pico, sample, pump probe setup, laser, research, puls, Transmission, Reflexion, Absorption Analyte, signal-noise ratio, Analyse, Monitoring, DAQ, PC, data acquisition, Datalogger, DMS, Filter, Frontend, noise, Recorder, signal conditioning, Transientenrecorder