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本发明涉及对数据进行编码及解码的方法和系统。编码方法包括:基于奇偶校验矩阵(40)从k个数据比特中创建m个奇偶比特,奇偶校验矩阵(40)包括数据部分(41)和奇偶部分(42)。所述奇偶部分由分块子矩阵所组成,且每一分块子矩阵可为以下任意一种:零矩阵、单位矩阵和置换矩阵;其中定义上对角线为所述奇偶部分中从第二列的第一分块子矩阵延伸至最后一列的倒数第二个分块子矩阵的连线,且所述上对角线上的每一分块子矩阵为单位矩阵或置换矩阵,而所述上对角线上方的分块子矩阵(44)则为零矩阵;所述奇偶部分从第二列至倒数第三列中的每一列在所述上对角线(45)下方都包含有一个或多个单位矩阵或置换矩阵。 [Detail]
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 ..... [Detail]
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。 [Detail]
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 ..... [Detail]
A use of radio frequency identification technology reference positioning system, comprising: a plurality of RFID reference tags, fixed to the coverage of the system within the fixture; plurality of RFID tag object, disposed on the object positioned want; plurality of mobile RFID reader, set on a mob..... [Detail]
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