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    • 2. 发明申请
    • APPARATUS AND METHOD FOR MONITORING MALFUNCTIONING STATE OF GLOBAL POSITIONING SYSTEM (GPS) SATELLITE
    • 用于监测全球定位系统(GPS)卫星故障状态的装置和方法
    • US20130088387A1
    • 2013-04-11
    • US13561559
    • 2012-07-30
    • Yoo La HWANGByoung Sun LEE
    • Yoo La HWANGByoung Sun LEE
    • G01S19/20
    • G01S19/20G01S19/07G01S19/08
    • Provided is an apparatus for monitoring a malfunctioning state of a global positioning system (GPS) satellite, the apparatus comprising: an orbit computing unit to compute an orbit of a geostationary satellite; a data receiver to receive GPS data from the GPS satellite; a data correction unit to correct an error in a clock error value of the GPS data; a first computing unit to compute a data pseudorange between the GPS satellite and a base station based on the corrected GPS data; a second computing unit to compute a geographical distance between the GPS satellite and the base station; and a determining unit to determine a malfunctioning state of the GPS satellite by comparing the data pseudorange and the geographical distance.
    • 提供了一种用于监视全球定位系统(GPS)卫星的故障状态的装置,该装置包括:轨道计算单元,用于计算对地静止卫星的轨道; 从GPS卫星接收GPS数据的数据接收机; 数据校正单元,用于校正GPS数据的时钟误差值中的误差; 第一计算单元,基于所述经修正的GPS数据来计算所述GPS卫星与基站之间的数据伪距; 第二计算单元,用于计算所述GPS卫星与所述基站之间的地理距离; 以及确定单元,用于通过比较所述数据伪距和所述地理距离来确定所述GPS卫星的故障状态。
    • 4. 发明申请
    • System for global earth navigation using inclined geosynchronous orbit satellite
    • 使用倾斜地球同步轨道卫星的全球地球导航系统
    • US20120168566A1
    • 2012-07-05
    • US13333333
    • 2011-08-07
    • Byoung Sun LEEYoo La HWANGJae Hoon KIM
    • Byoung Sun LEEYoo La HWANGJae Hoon KIM
    • B64G1/10
    • B64G1/1014G01S19/01
    • A global earth navigation satellite system may be provided. The global earth navigation satellite system may include a group of satellites including at least one inclined geosynchronous satellite disposed in at least one orbital plane distinguished based on an interval determined based on a longitudinal coordinate of the earth, and the at least one inclined geosynchronous satellite may be disposed in the at least one orbital plane at predetermined intervals, and may revolve around the earth at a predetermined inclination of satellite orbit so as to provide, over time, geometric shape change information associated with the earth, geometric shape change information associated with a low earth orbit satellite, and geometric shape change information associated with a geostationary satellite.
    • 可以提供全球地球导航卫星系统。 全球地球导航卫星系统可以包括一组卫星,其包括设置在至少一个轨道平面中的至少一个倾斜地球同步卫星,所述至少一个轨道平面基于基于地球的纵坐标确定的间隔而区分,并且所述至少一个倾斜的地球同步卫星可以 以预定的间隔设置在至少一个轨道平面中,并且可以以卫星轨道的预定倾斜度围绕地球旋转,以便随时间提供与地球相关联的几何形状改变信息,与一个 低地球轨道卫星和与地球静止卫星相关的几何形状变化信息。