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中文摘要：
为设计适用于康普顿背散射成像系统，通过分析成像系统及CdZnTe探测器性能，并考虑到相应核电子学电路的噪声特性，设计了甄别级CdZnTe探测器，并设计了相应的低噪声电荷灵敏前置放大器和主放大器。在常温下，5mm×5mm×5mm的甄别级CdZnTe探测器与核电子学电路系统对于662keV的^137Cs源，其能量分辨率小于4％。
英文摘要：
Detectors applied in Compton backscatter imaging and low-noise amplifier including charge-sensitive amplifier and main amplifier were developed, through analyzing the performances of CdZnTe detector and considering the noise characteristics of the circuits. At room temperature, energy resolution of the detection system with a 5 mm×5 mm×5 mm discriminator grade CdZnTe detector and nuclear electronic circuit is better than 4% to the 662 keV ^137Cs γ-ray.
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