A capillary electrophoresis fluorescence detection device and method based on fast walsh-hadamard transform coding excitation
CN122409804APending Publication Date: 2026-07-17GUILIN UNIV OF ELECTRONIC TECH
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- GUILIN UNIV OF ELECTRONIC TECH
- Filing Date
- 2026-05-27
- Publication Date
- 2026-07-17
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Figure CN122409804A_ABST
Abstract
本发明涉及毛细管电泳荧光检测技术领域,公开一种基于快速沃尔什‑哈达玛变换(FWHT)编码激发的毛细管电泳荧光检测装置及方法。装置包括编码激发光源、光学检测、光电转换与低噪声前端、同步控制与数据采集、信号处理与解码模块;光源按沃尔什‑哈达玛编码序列调制LED激发光,检测模块耦合激发光并收集毛细管窗口荧光,前端完成光电转换和放大,控制模块实现调制采样同步,处理模块经预处理和FWHT / IWHT解码重构荧光信号。该方法提取峰高、峰面积和迁移时间等参数,可抑制光强波动、杂散光及随机噪声,提高信噪比、灵敏度、稳定性和重复性,适于小型化、便携化及在线检测。
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