X射线谱学是研究物质组成、元素性质的重要手段，广泛开展于光源线站上。基于超导转变边沿传感器（TES）阵列的低温X射线能谱仪因兼具高能量分辨率和高收集效率的特点，有望成为光源线站上开展X射线谱学研究的重要工具。对于以TES为代表的低温探测器，需要精确的信号处理算法才能实现器件本身的高能量分辨能力，因此信号处理方法的研究已经成为当前低温探测器领域的重要研究方向。.申请人正在上海科技大学开展国内首次面向先进光源线站需求的多像素低温能谱仪的研制工作，计划在本项目中深入研究利用TES实现高能量分辨的信号处理方法。申请人已利用传统分析方法初步开展对TES的信号处理工作，本项目中将在多像素、高分辨和高事例率等方面进行拓展，并开展能量刻度研究。.本项目将为国内首次应用于光源线站的低温X射线能谱仪研制提供重要支持，有望推动国内低温探测器技术的发展和应用。

X-ray spectroscopy is an important method in exploring the material composition and elemental properties, which is widely implemented in large photon source projects. Cryogenic X-ray spectrometers based on superconducting transition-edge sensor (TES) arrays are promising tools on X-ray spectroscopy science in beamline endstations for the high energy resolution and high collection efficiency properties. Cryogenic detectors like TES demand accurate signal processing to achieve the intrinsic high energy resolution, which makes the signal processing an important part in the cryogenic detector area..The applicant is now working in ShanghaiTech University, and engaged in the development of multi-pixels cryogenic X-ray spectrometer for advancing beamlines, which is the first time domestically. In this project, the applicant will deeply study the signal processing for TES detectors aimed at high energy resolution detection. While the applicant has started preliminary work on signal processing for TES, this project will take extended study on multi-pixels, high resolution and high rate. This project will also study the energy calibration method for TES..This project will greatly support the development of cryogenic spectrometer for the application on beamlines. And it is supposed to promote the development and application of domestic cryogenic detector technology.