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检索条件"主题词=frequency locked method"
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SNR Improvement of QEPAS System by Preamplifier Circuit Optimization and frequency locked Technique
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Photonic Sensors 2018年 第2期8卷 127-133页
作者: Qinduan ZHANG Jun CHANG Zongliang WANG Fupeng WANG Fengting JIANG Mengyao WANG School of Information Science and Engineering and Shandong Provincial Key Laboratory of Laser Technology and Application Shandong University Jinan 250100 China School of Physics Science and Information Technology and Shandong Key Laboratory of Optical Communication Science and Technology Liaocheng University Liaocheng 252059 China
Preamplifier circuit noise is of great importance in quartz enhanced photoacoustic spectroscopy (QEPAS) system. In this paper, several noise sources are evaluated and discussed in detail. Based on the noise characte... 详细信息
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