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相关概念视频

Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation01:26

Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation

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Inductively coupled plasma (ICP) is the common plasma source used in atomic emission spectroscopy (AES), a technique that detects and analyzes various elements in a sample. This method is often called inductively coupled plasma atomic emission spectroscopy (ICP-AES).
There are three main types of inductively coupled plasma atomic emission spectroscopy  (ICP-AES) instruments: sequential, simultaneous multichannel, and Fourier transform instruments, with the latter being less commonly used....
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列编码扫描孔超光谱成像系统的扫描孔.

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    此摘要是机器生成的。

    本研究介绍了一种灵活的列编码扫描孔超光谱成像系统 (CCSA-HIS),可以在低光条件下提高扫描效率和信号噪声比 (SNR). 与传统的线路扫描超光谱成像系统 (LS-HIS) 相比,新系统显著减少了采样时间.

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    科学领域:

    • 光学和光子学 在光学和光子学.
    • 影像科学 影像科学
    • 频谱学是一种光谱学.

    背景情况:

    • 线扫描高光谱成像系统 (LS-HIS) 在生物医学成像和遥感等领域至关重要.
    • 在低光条件下,LS-HIS的效率和信号噪声比 (SNR) 显著下降,原因是暴露时间增加.

    研究的目的:

    • 开发一种先进的超光谱成像系统,克服LS-HIS在低光环境中的局限性.
    • 为了提高扫描效率和SNR,而不会影响空间和光谱分辨率.

    主要方法:

    • 使用数字微镜装置 (DMD) 实现灵活的列编码扫描孔高光谱成像系统 (CCSA-HIS).
    • 引入一个复杂化编码矩阵来创建一个一维的多列编码扫描孔.
    • 与传统的LS-HIS相比,CCSA-HIS的实验比较.

    主要成果:

    • 与LS-HIS相比,CCSA-HIS显示了显著提高的扫描效率.
    • 新系统实现了更高的SNR,并保持了相当的空间和光谱分辨率.
    • 在实验条件下,观察到CCSA-HIS的采样时间缩短.

    结论:

    • CCSA-HIS提供了一种新且高效的高光谱成像技术,特别有利于低光应用.
    • 拟议的系统具有相当大的理论价值和对该领域的工程意义.
    • 这一进步为在具有挑战性的照明场景中获取超光谱数据提供了更强大的解决方案.