相关实验视频
Updated: May 3, 2026

08:34
The Measurement and Treatment of Suppression in Amblyopia
Published on: December 14, 2012
50.2K
一个新的刺激器件抑制系统,具有快速模板减法.
IEEE transactions on biomedical circuits and systems
|July 22, 2025
概括
这项研究引入了一种新的系统,用于减少视网膜假肢中的刺激器件 (SA),使同时刺激和记录成为可能. 开发的技术实现了显著的文物抑制,改善了设备的功能.
科学领域:
- 生物医学工程 生物医学工程
- 神经科学是一个神经科学.
- 电气工程 电气工程
背景情况:
- 刺激器件 (SA) 在视网膜假肢中对并发刺激和记录构成重大挑战.
- 有效的文物抑制对于准确的神经信号采集和设备性能至关重要.
研究的目的:
- 开发和验证一种基于模板的新型系统,用于抑制视网膜假肢中的刺激人工物.
- 通过减轻SA的影响来实现可靠的并发刺激和记录.
主要方法:
- 使用兰德尔阻抗模型来推导SA转移函数,设计了一个基于模板的系统.
- 一个原型应用特定集成电路 (ASIC) 使用180nm CMOS 工艺制造.
- 该系统在盐水中得到验证,采用管道数字处理来快速生成模板.
主要成果:
- 实时SA抑制达到了20.2dB,离线处理将抑制提升到44.3dB.
- 模板生成框架在 26.35 ms 内完成.
- 该ASIC核心占地0.43mm2,消耗8.27μW (正常模式) 和30.83μW (SA抑制模式).
结论:
- 这种基于模板的新型系统有效地抑制了视网膜假肢中的刺激器件.
- 开发的ASIC提供了一种紧且节能的解决方案,用于减少工件.
- 这项技术为视网膜植入物提供了改进的并发刺激和记录能力.
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