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首页> 外文期刊>Journal of instrumentation: an IOP and SISSA journal >A flexible and compact electronic system for the bolometric diagnostic with on-line calibration capability
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A flexible and compact electronic system for the bolometric diagnostic with on-line calibration capability

机译：具有在线校准能力的柔韧性和紧凑的电子系统，具有在线校准能力

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摘要

At ENEA Frascati laboratories an updated electronic system for the bolometric diagnostic is under development. The system is based on the most recent electronic technology and it is able to manage a large number of channels. It is flexible, reliable and compact in order to be suitable for applications on large fusion experimental machines or reactors. The system has been conceived to be applied to bolometric detectors based on a resistive bridge, it is mainly based on the digital signal processing technology to guarantee high accuracy, large dynamic range and a high signal to noise ratio. It is also able to manage a large offset of the bridges. A further important feature of the system is the embedded calibration capability of the sensor detectors that allows for the calibration of each channel in parallel and in a very short time with the bolometer heads installed and without any manual intervention on the lay-out, thus also allowing for calibration just shortly before the plasma experiment. A further fast embedded on-line calibration capability allows for the estimation of the sensor temperature and of the temperature gradient in the bolometer head, inside the bolometer measurement temporal window. The paper describes the main concepts, the general architecture of the system and in detail the calibration and the on-line calibration functionalities.
机译：在Enea Frascati Laboratories中，一个更新的电动诊断电子系统正在开发。该系统基于最新的电子技术，它能够管理大量信道。它是灵活的，可靠和紧凑的，以适用于大型融合实验机器或反应器上的应用。该系统已经构思为基于电阻桥的辐射检测器，主要基于数字信号处理技术，以保证高精度，大动态范围和高信噪比。它还能够管理桥梁的大偏移量。该系统的另一个重要特征是传感器检测器的嵌入式校准能力，其允许并行校准每个通道，并且在很短的时间内安装了钻头头，并且没有任何手动干预的布局，因此在等离子体实验之前不久允许校准。进一步快速嵌入的在线校准能力允许估计传感器温度和钻孔计头部的温度梯度，在钻头计测量时间窗口内。本文介绍了主要概念，系统的一般架构以及详细校准和在线校准功能。

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