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    • 27. 发明授权
    • Wireless localization method based on an efficient multilateration algorithm over a wireless sensor network and a recording medium in which a program for the method is recorded
    • 基于无线传感器网络上的有效多边算法的无线定位方法和其中记录有该方法的程序的记录介质
    • US08478292B2
    • 2013-07-02
    • US13337653
    • 2011-12-27
    • Seong Cheol KimJung Kyu Lee
    • Seong Cheol KimJung Kyu Lee
    • H04W24/00
    • G01S5/14G01S5/0289G01S11/06
    • A wireless localization technology using efficient multilateration in a wireless sensor network is disclosed. After calculating estimated distances from each of at least three reference nodes to a blind node using received signal strength of wireless signals that the at least three reference nodes received from the blind node, the estimated location of the blind node is obtained through multilateration using the calculated estimated distances. To correct error in the estimated location, the estimated distances are used, and the error correction direction and error correction distance for the estimated location are calculated by applying a largest weight to the reference node closest to the estimated location. The error of the estimated location is corrected by move the estimated location of the blind node by the calculated error correction direction and error correction distance. Calculation for the error correction is very simple and fast.
    • 公开了一种在无线传感器网络中使用高效多边测量的无线定位技术。 在使用从盲节点接收到的至少三个参考节点的无线信号的接收信号强度来计算从至少三个参考节点中的每一个到盲节点的估计距离之后,通过使用计算出的 估计距离 为了校正估计位置的误差,使用估计的距离,并且通过对最靠近估计位置的参考节点应用最大权重来计算估计位置的误差校正方向和误差校正距离。 通过将计算的误差校正方向和误差校正距离移动盲节点的估计位置来校正估计位置的误差。 纠错的计算非常简单快捷。
    • 29. 发明授权
    • Flat panel for cathode-ray tube
    • 阴极射线管平板
    • US07005791B2
    • 2006-02-28
    • US10481414
    • 2002-07-02
    • Kyoung Mun ChooEon Jin JeongSeong Cheol Kim
    • Kyoung Mun ChooEon Jin JeongSeong Cheol Kim
    • H01J29/70H01J31/00
    • H01J29/861H01J2229/8613H04N5/645
    • The present invention is related to a flat panel for cathode-ray tube capable of securing a large viewing area in the flat panel which is fitted into a window of a cabinet. In accordance with the panel of the present invention, stepped portions are formed along an edge of a face to fit the panel into the window of the cabinet. A depth from a surface of the face to a surface of the stepped portion is set to satisfy a condition of 2≧Tf/Tc≧0.7 where Tf is a vertical distance from a starting point of the stepped portion to an inner surface of the panel and Tc is a thickness of the center of the face. The panel in accordance with the present invention can provide perceptual flatness to a viewer; improved implosion-proof characteristics; and a structure capable of enduring an external mechanical impact. Further, the panel having a precise structure can be manufactured by a press-molding process.
    • 本发明涉及一种用于阴极射线管的平板,其能够确保安装在橱柜窗口中的平板中的大的观察面积。 根据本发明的面板,沿着面的边缘形成阶梯部分,以将面板装配到橱柜的窗口中。 从台阶表面到阶梯部分的表面的深度设定为满足2> = Tf / Tc> = 0.7的条件,其中Tf是从阶梯部分的起点到内表面的垂直距离 面板和Tc是面部中心的厚度。 根据本发明的面板可以向观看者提供感知平坦度; 改进的防爆特性; 以及能够承受外部机械冲击的结构。 此外,具有精确结构的面板可以通过压制成型工艺制造。