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    • 9. 发明授权
    • Positioning device, positioning control method, and recording medium
    • 定位装置,定位控制方法和记录介质
    • US07468691B2
    • 2008-12-23
    • US11790861
    • 2007-04-27
    • Hiroki Yoshioka
    • Hiroki Yoshioka
    • G01S5/14
    • G01S19/30G01S19/23
    • A positioning device includes a phase calculation section which performs a correlation process of a specific positioning base code replica and a positioning base code from a specific transmission source to calculate a present phase of the positioning base code, an estimated phase calculation section which calculates an estimated phase when estimating the present phase based on the phase used for preceding positioning, a Doppler shift of a frequency of a radio wave carrying the positioning base code, and an elapsed time from the preceding positioning, a phase difference evaluation section which determines whether or not a phase difference between the calculated present phase and the estimated phase is within a phase difference allowable range specified in advance, and a positioning section which locates a present position using the phase within the phase difference allowable range.
    • 定位装置包括相位计算部,其执行特定的定位基本代码副本的相关处理和来自特定的发送源的定位基准码,以计算定位基准码的当前相位;估计相位计算部,其计算估计的 基于用于先前定位的相位估计当前相位的相位,携带定位基准码的无线电波的频率的多普勒频移以及来自前一定位的经过时间,相位差评估部,其判定是否 计算出的当前相位和估计相位之间的相位差处于预先规定的相位差容许范围内,以及定位部,其使用相位允许范围内的相位定位当前位置。
    • 10. 发明申请
    • Broadband antenna unit comprising a folded plate-shaped monopole antenna portion and an extending portion
    • 宽带天线单元包括折叠的板状单极天线部分和延伸部分
    • US20080198075A1
    • 2008-08-21
    • US12069332
    • 2008-02-08
    • Hiroki Yoshioka
    • Hiroki Yoshioka
    • H01Q9/04
    • H01Q9/40H01Q5/25H01Q5/364H01Q9/42
    • In a broadband antenna unit including a ground plate, an antenna element disposed in the vicinity of an end of the ground plate, and a dielectric substrate for mounting the antenna element therein, the antenna element includes a folded plate-shaped monopole antenna portion having a U-shape in cross section and an extending portion extending from the folded plate-shaped monopole antenna portion. The antenna element is disposed on the side of one side edge of the ground plate. The broadband antenna unit has a feeding point between the ground plate and the antenna element that is disposed at a feeding position apart from the one side by a predetermined distance. A ratio between a width of the ground plate and the predetermined distance is substantially 5:2 when a ratio between the width of the ground plate and a width of the folded plate-shaped monopole antenna portion is 2:1.
    • 在包括接地板的宽带天线单元中,设置在接地板的端部附近的天线元件和用于将天线元件安装在其中的电介质基板,天线元件包括折叠的板状单极天线部分,其具有 U形截面和从折叠的板状单极天线部分延伸的延伸部分。 天线元件设置在接地板的一个侧边缘的一侧。 宽带天线单元在接地板和天线元件之间具有馈送点,该馈电点设置在远离一侧的馈送位置预定距离处。 当接地板的宽度与折叠的板状单极天线部分的宽度之比为2:1时,接地板的宽度与预定距离之间的比率基本为5:2。