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    • 1. 发明申请
    • Method, and apparatus for measuring distance using radio frequency signal
    • 使用射频信号测量距离的方法和装置
    • US20080143582A1
    • 2008-06-19
    • US11907947
    • 2007-10-18
    • Jun-ho ParkSeok-won BangJi-young Park
    • Jun-ho ParkSeok-won BangJi-young Park
    • G01S13/08
    • G01S13/74G01S7/40
    • Provided are a method, apparatus, and medium for measuring a distance using a radio frequency (RF) signal. The method of measuring a distance includes setting the transmitter power of an RF signal of a signal generating module to a minimum so as to measure the longest distance when no obstacle exists, measuring a distance between the signal generating module and a fixed module using the RF signal whose transmitter power is set to the minimum, if the measured distance between the signal generating module and the fixed module is available, determining that no obstacle exists therebetween, and if the measured distance is not available, determining that an obstacle exists therebetween, and determining the distance according to the result of the determination of existence of an obstacle.
    • 提供了一种使用射频(RF)信号测量距离的方法,装置和介质。 测量距离的方法包括将信号发生模块的RF信号的发射机功率设置为最小,以便在没有障碍物时测量最长距离,使用RF测量信号发生模块和固定模块之间的距离 如果信号发生模块和固定模块之间的测量距离可用,确定其间没有障碍物,并且如果测量距离不可用,则确定其间存在障碍物,以及 根据确定障碍物的存在的结果确定距离。
    • 2. 发明授权
    • Method, and apparatus for measuring distance using radio frequency signal
    • 使用射频信号测量距离的方法和装置
    • US07649490B2
    • 2010-01-19
    • US11907947
    • 2007-10-18
    • Jun-ho ParkSeok-won BangJi-young Park
    • Jun-ho ParkSeok-won BangJi-young Park
    • G01S13/00G01S13/08G01C22/00G01C21/00B25J5/00
    • G01S13/74G01S7/40
    • Provided are a method, apparatus, and medium for measuring a distance using a radio frequency (RF) signal. The method of measuring a distance includes setting the transmitter power of an RF signal of a signal generating module to a minimum so as to measure the longest distance when no obstacle exists, measuring a distance between the signal generating module and a fixed module using the RF signal whose transmitter power is set to the minimum, if the measured distance between the signal generating module and the fixed module is available, determining that no obstacle exists therebetween, and if the measured distance is not available, determining that an obstacle exists therebetween, and determining the distance according to the result of the determination of existence of an obstacle.
    • 提供了一种使用射频(RF)信号测量距离的方法,装置和介质。 测量距离的方法包括将信号发生模块的RF信号的发射机功率设置为最小,以便在没有障碍物时测量最长距离,使用RF测量信号发生模块和固定模块之间的距离 如果信号发生模块和固定模块之间的测量距离可用,确定其间没有障碍物,并且如果测量距离不可用,则确定其间存在障碍物,以及 根据确定障碍物的存在的结果确定距离。