本发明涉及一种实现GPS的方法，更具体的说，涉及一种在手机上实现差分GPS的方法，包括以下步骤：A1获取初始用户位置的坐标、当前卫星的位置和伪距的差分改正量；A2利用所述初始用户位置的坐标、当前卫星的位置和伪距的差分改正量计算用户位置的坐标改正量；A3利用所述用户位置的坐标改正量对初始用户位置的坐标进行改正得到改正后用户位置的坐标。本发明可以提高目前手机GPS技术的定位精度，满足用户需求；可以在没有或者不需要从手机到卫星的伪距观测量的情况下实现，提高定位效率；可以利用目前已有的手机GPS，不需要额外添置其他硬件设备。
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A feeling rehabilitation detector for evaluation and training as a stroke or brain damage and loss of consciousness of the patient, comprising: a housing, the housing is provided with an upper surface arranged in a predetermined pattern of a plurality of through holes; positioning pin module, which .....
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Step-up transformer and the piezoelectric ceramic preparation methods, using the input and output terminals a series arrangement of the mechanical resonance of the piezoelectric ceramics in the boost output terminal and to obtain a high electric power conversion efficiency. Co-fired with integrated .....
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The present invention relates to a positioning system and method for hierarchical, using the information server and the master device connected thereto, from the device, the information server information including location information database to track and alarm modules, the master device includes .....
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本實用新型是揭露一種包材楞向改良結構，其包含一包材本體，包材本體包含一第一板材、一第二板材及設置於第一板材及第二板材間之一芯層。芯層是由多個楞段構成一波形狀的板材，楞段的走向定義為楞向。包材本體的大多數的邊與楞向的夾角為非平行亦非垂直。
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