Modern systems rely on digital circuits, computing, and signal processors that operate on binary values, offering advantages such as precision, versatility, robustness. Yet, digital processors face major limitations as high power consumption and limited speed. Despite digital signal processing being widely adopted today, analog computing is attracting a renewed interest thanks to its ability to pe...

RNA undergoes a variety of chemical modifications after transcription, which are essential for RNA maturation and function. RNA modifications have been independently acquired and fixed during evolution to meet diverse environmental challenges. We are engaged in a project to identify novel RNA modifications from various sources, and have reported 10 modifications so far. Taking advantage of mass sp...

由于高光电转换效率和优异的抗辐射性能，III-V族化合物多结太阳电池已成为众多空间飞行器的主要电源。其中，GaInP/GaAs/Ge晶格匹配三结太阳电池为目前普遍应用的电池类型。然而，此类电池其各子电池之间能带失陪结构，限制了电池效率的进一步提升。随着航天器对大功率、低成本的轻型空间太阳电池阵需求不断增大，对在轨电源功率和抗辐射性能的要求越来越高，传统的空间太阳电池阵正在面临新的挑战。 本报告介绍空间用GaAs多结太阳...

功能性近红外谱技术（fNIRS）是一种利用光学测量脑活动的方法，它通过近红外光来测量因脑活动而引起的局部血氧变化，从而对脑活动进行推测。扩散光层析成像技术（DOT）与fNIRS原理相近，但通常测量的密度较高，并最终对大脑活动进行三维的层析重建。在重建过程中，一个不可缺少的步骤是根据头的形状及光极的摆放对光在颅内的传播路径进行前向建模，也就是对光在生物组织中的扩散的仿真，而在模型复杂且光极数量多时，快速、准确的...

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