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Design Example01:23

Design Example

The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...

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使用深度学习架构开发用于SiPM的充电重置多重复合.

Semin Kim1, Chanho Kim2, Minhwan Park1,3

  • 1Department of Bioengineering, Korea University, Seoul, Republic of Korea.

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|October 31, 2025
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概括

充电重置复杂化将16个光倍增器 (SiPM) 频道减少到一个,保留信号数据. 这种方法使得核医学的高密度探测器系统具有成本效益.

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自动编码器自动编码器充电重新设置电路的电路.深度学习是一种深度学习.多重复杂的多重复杂.核医学成像技术 核医学成像技术

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科学领域:

  • 核物理与仪器仪表技术
  • 深度学习在信号处理中的应用.
  • 检测器读出电子系统

背景情况:

  • 光倍增器 (SiPM) 在高密度探测器系统中至关重要.
  • 在SiPM阵列中增加通道数量会增加系统成本和复杂性.
  • 需要有效的读取方法来管理大量的探测器通道.

研究的目的:

  • 为SiPMs引入充电重置复杂化技术.
  • 将16个读取通道减少到一个输出线.
  • 为了保持每个频道的波形信息,用于先进的信号处理.

主要方法:

  • 每个SiPM通道使用充电重置预放大器,通过脉冲宽度编码身份.
  • 来自所有通道的脉冲被总结成一个单一的输出信号.
  • 一个深度学习自动编码器从总和的痕迹中重建单个信号.

主要成果:

  • 重建信号的能量分辨率与非多重复合系统相提并论 (10.84%为137Cs,16.12%为22Na).
  • 每个通道的信号恢复使得识别和删除晶体间散射 (ICS) 成为可能.
  • 产生了清晰的洪水地图,证明了有效的ICS拒绝.

结论:

  • 充电重置复杂化可以显著减少频道数量,而不会影响性能.
  • 该方法保留了每道的信息,这些信息对于高级处理 (如ICS拒绝) 至关重要.
  • 这种技术适用于核医学高密度探测器的综合实施和广泛应用.