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A Flash-ADC data acquisition system developed for a drift chamber array and a digital filter algorithm for signal processing
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DOI：10.1088/1674-1137/40/11/116102.png)
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Abstract
En 中文
A Flash-ADC data acquisition (DAQ) system has been developed for the drift chamber array designed for the External-Target-Experiment at the Cooling Storage Ring at the Heavy Ion Research Facility, Lanzhou. The simplified readout electronics system has been developed using the Flash-ADC modules and the whole waveform in the sampling window is obtained, with which the time and energy information can be deduced with an offline processing. A digital filter algorithm has been developed to discriminate the noise and the useful signal. With the digital filtering process, the signal to noise ratio (SNR) is increased and a better time and energy resolution can be obtained.
Keywords:
external target experiment
multiwire drift chamber
flash-ADC
DAQ
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