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Parallel readout of two-element CdZnTe detectors with real-time digital signal processing
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作者 施朱斌 王林军 +6 位作者 秦凯丰 闵嘉华 张继军 梁小燕 黄健 唐可 夏义本 《Journal of Semiconductors》 EI CAS CSCD 北大核心 2010年第12期83-86,共4页
Readout electronics, especially digital electronics, for two-element CdZnTe (CZT) detectors in parallel are developed. The preliminary results show the detection efficiency of the two-element CZT detectors in parall... Readout electronics, especially digital electronics, for two-element CdZnTe (CZT) detectors in parallel are developed. The preliminary results show the detection efficiency of the two-element CZT detectors in parallel with analog electronics is as many as 1.8 and 2.1 times the single ones, and the energy resolution (FWHM) is limited by that of the single one by the means of analog electronics. However, the digital method for signal processing will be sufficiently better by contrast with an analog method especially in energy resolution. The energy resolution by the means of digital electronics can be improved by about 26.67%, compared to that only with analog electronics, while their detection efficiency is almost the same. The cause for this difference is also discussed. 展开更多
关键词 CdZnTe detectors detectors in parallel digital method radiation measurement
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