公开(公告)号：US08441390B2

公开(公告)日：2013-05-14

申请号：US12449964

申请日：2008-02-29

申请人： Tomoaki Ohtsuki ,  Hiroyuki Tsuji ,  Shouhei Ikeda

发明人： Tomoaki Ohtsuki ,  Hiroyuki Tsuji ,  Shouhei Ikeda

IPC分类号： G01S13/04 ,  H04B7/04

CPC分类号： H04B7/0413 ,  G01S13/0209 ,  G01S13/56 ,  G01S13/886

摘要： An event detecting apparatus capable of high-precision detection of an event even by use of a narrow-band signal comprises: a plurality of antennas 21 that receive radio waves transmitted from a transmitter, a correlation matrix operation unit 22 that expresses signals received by the plurality of antennas 21 as received vectors, to operate a correlation matrix on the basis of the received vectors, an eigenvector operation unit 23 that performs eigenvalue expansion of the correlation matrix operated by the correlation matrix operation unit 22, to operate eigenvectors covering a signal subspace, and an event detecting unit 24 that detects a temporal change in the eigenvectors operated by the eigenvector operation unit 23, to detect an event.

摘要翻译： 即使通过使用窄带信号也能够对事件进行高精度检测的事件检测装置包括：接收从发送器发送的无线电波的多个天线21，相关矩阵运算部22，其表示由 多个天线21作为接收向量，基于接收到的向量来操作相关矩阵;特征向量运算单元23，执行由相关矩阵运算单元22操作的相关矩阵的特征值扩展，以操作覆盖信号子空间的特征向量 以及事件检测单元24，其检测由特征向量运算单元23操作的特征向量的时间变化，以检测事件。

公开(公告)号：US20100164780A1

公开(公告)日：2010-07-01

申请号：US12449964

申请日：2008-02-29

申请人： Tomoaki Ohtsuki ,  Hiroyuki Tsuji ,  Shouhei Ikeda

发明人： Tomoaki Ohtsuki ,  Hiroyuki Tsuji ,  Shouhei Ikeda

IPC分类号： G01S13/04 ,  H04B7/04

CPC分类号： H04B7/0413 ,  G01S13/0209 ,  G01S13/56 ,  G01S13/886

摘要： An event detecting apparatus capable of high-precision detection of an event even by use of a narrow-band signal comprises: a plurality of antennas 21 that receive radio waves transmitted from a transmitter, a correlation matrix operation unit 22 that expresses signals received by the plurality of antennas 21 as received vectors, to operate a correlation matrix on the basis of the received vectors, an eigenvector operation unit 23 that performs eigenvalue expansion of the correlation matrix operated by the correlation matrix operation unit 22, to operate eigenvectors covering a signal subspace, and an event detecting unit 24 that detects a temporal change in the eigenvectors operated by the eigenvector operation unit 23, to detect an event.

摘要翻译： 即使通过使用窄带信号也能够对事件进行高精度检测的事件检测装置包括：接收从发送器发送的无线电波的多个天线21，相关矩阵运算部22，其表示由 多个天线21作为接收向量，基于接收到的向量来操作相关矩阵;特征向量运算单元23，执行由相关矩阵运算单元22操作的相关矩阵的特征值扩展，以操作覆盖信号子空间的特征向量 以及事件检测单元24，其检测由特征向量运算单元23操作的特征向量的时间变化，以检测事件。