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低成本无线神经记录系统及软件。

Low-cost wireless neural recording system and software.

作者信息

Gregory Jeffrey A, Borna Amir, Roy Sabyasachi, Wang Xiaoqin, Lewandowski Brian, Schmidt Marc, Najafi Khalil

机构信息

Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, USA.

出版信息

Annu Int Conf IEEE Eng Med Biol Soc. 2009;2009:3833-6. doi: 10.1109/IEMBS.2009.5335132.

DOI:10.1109/IEMBS.2009.5335132
PMID:19965244
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4324723/
Abstract

We describe a flexible wireless neural recording system, which is comprised of a 15-channel analog FM transmitter, digital receiver and custom user interface software for data acquisition. The analog front-end is constructed from commercial off the shelf (COTS) components and weighs 6.3g (including batteries) and is capable of transmitting over 24 hours up to a range over 3m with a 25microV(rms) in-vivo noise floor. The Software Defined Radio (SDR) and the acquisition software provide a data acquisition platform with real time data display and can be customized based on the specifications of various experiments. The described system was characterized with in-vitro and in-vivo experiments and the results are presented.

摘要

我们描述了一种灵活的无线神经记录系统，它由一个15通道模拟调频发射器、数字接收器和用于数据采集的定制用户界面软件组成。模拟前端由商用现货（COTS）组件构建而成，重6.3克（包括电池），能够在25微伏（均方根值）的体内本底噪声下，传输超过24小时，传输范围超过3米。软件定义无线电（SDR）和采集软件提供了一个具有实时数据显示的数据采集平台，并且可以根据各种实验的规格进行定制。所描述的系统通过体外和体内实验进行了表征，并展示了实验结果。

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