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首页> 外文期刊>Measurement Science & Technology >Capacitively coupled electrical substitution for resistive bolometer enhancement
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Capacitively coupled electrical substitution for resistive bolometer enhancement

机译:电容耦合电替代以增强电阻辐射热测量计

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摘要

A new electrical substitution method for resistive bolometers is proposed to operate them in a closed-loop configuration. This method was implemented and evaluated with a resistive bolometer based on metallic layers over a 120 (mu)m thick glass membrane. Based on an electrical substitution (ES) directly at the place of the resistive sensing element, the new method allows for space savings and a simplification of the technological manufacturing while maintaining the time response improvement linked to a closed-loop operation. Compared to a previously available ES solution, this new method is applicable to all resistive bolometers. Time response and signal-to-noise ratio (SNR) were evaluated through measurements and compared for three operation configurations of the resistive bolometer: open loop, classical ES closed loop and with the proposed capacitively coupled electrical substitution (CCES) closed loop.
机译:提出了一种用于电阻辐射热计的新的电气替代方法,以使其在闭环配置下运行。该方法是通过基于120微米厚玻璃膜上的金属层的电阻热辐射计实施和评估的。这种新方法基于直接在电阻式感应元件处进行的电气替换(ES),可节省空间并简化工艺制造,同时保持与闭环操作相关的时间响应改善。与以前可用的ES解决方案相比,此新方法适用于所有电阻测辐射热计。通过测量评估了时间响应和信噪比(SNR),并比较了电阻辐射热测量计的三种工作配置:开环,经典ES闭环以及建议的电容耦合电代换(CCES)闭环。

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