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I-Corps: Optimizing Sensor Arrays for Waveform Enhancement

I-Corps: Optimizing Sensor Arrays for Waveform Enhancement
I-Corps:优化传感器阵列以增强波形
批准号:
1440493
负责人:
Radu Balan
金额:
$5.0万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2014
资助国家:
美国
项目状态:
已结题
起止时间:
2014-06-01 至 2014-11-30

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中文摘要
翻译
所提出的系统包括一个优化的大规模麦克风阵列,允许空间音频选择。该系统可以聚焦在一个目标源上,同时抑制来自各种位置的干扰。换句话说,所提出的系统允许用户收听选定的目标源,即使该源可能被许多其他干扰源包围。该技术通过对麦克风放置和设计的联合优化,实现了比当前麦克风阵列实现的显著改进。该技术可以处理声波和电磁波波形,从而在多路径、噪声环境中发现声源的数量和位置。该技术通过消除或衰减干扰来分离每个源,并识别先前识别的源。此外,该技术适用于源移动和传感器数量超过传感器数量的环境。该技术使用最先进的优化和统计建模技术来优化传感器的放置和处理。
英文摘要
The proposed system consists of an optimized large scale microphone array that allows spatial audio selection. This system can focus in on a target source while suppressing interferences from a wide variety of locations. In other words, the proposed system allows users to listen in on selected target source even though the source may be surrounded by a host of other interfering sources. The proposed technology achieves significant gains over current microphone array implementations through joint optimization of microphone placement and design.The proposed technology can process acoustic and electromagnetic waveforms to discover both the number and location of sources in multi-path, noisy environments. The technology separates each source by either cancelling or attenuating interferences and identifies previously recognized sources. Additionally the technology works in environments where sources both move and outnumber the number of sensors. The technology optimizes sensor placement and processing using state of the art optimization and statistical modeling techniques.
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