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1. 发明授权

US08570214B2 Position calculating method and position calculating device 有权
标题翻译：位置计算方法和位置计算装置
公开(公告)号：US08570214B2
公开(公告)日：2013-10-29
申请号：US13115929
申请日：2011-05-25
申请人： Tsubasa Shirai
发明人： Tsubasa Shirai
IPC分类号： G01S19/42
CPC分类号： G01S19/22
摘要： There is provided a position calculating method including: calculating a pseudorange by receiving a satellite signal from a positioning satellite; and calculating a position using a normal mixture distribution model which expresses distribution of an error included in the pseudorange with normal mixture distribution.
摘要翻译：提供了一种位置计算方法，包括：通过从定位卫星接收卫星信号来计算伪距; 并使用表示包含在具有正态混合分布的伪距中的误差的分布的正态混合分布模型来计算位置。

2. 发明授权

US08358244B2 Multipath signal evaluation method, position calculation method, and multipath signal evaluation device 有权
标题翻译：多路径信号评估方法，位置计算方法和多径信号评估装置
公开(公告)号：US08358244B2
公开(公告)日：2013-01-22
申请号：US12824124
申请日：2010-06-25
申请人： Tsubasa Shirai
发明人： Tsubasa Shirai
IPC分类号： G01S19/22
CPC分类号： G01S19/22 , H04B1/7085 , H04B2201/70715
摘要： A multipath signal evaluation method includes, carrying out a correlation calculation on a received signal from a positioning satellite to obtain a peak correlation value, and determining reliability for a received multipath signal by using the peak correlation value and a correlation value at a phase delayed from a peak phase in which the peak correlation is obtained.
摘要翻译：多径信号评估方法包括：对来自定位卫星的接收信号进行相关计算，以获得峰值相关值，并通过使用峰值相关值和延迟的相位相关值来确定接收到的多径信号的可靠性得到峰值相关的峰值相位。

3. 发明授权

US08155171B2 Multipath signal judging method, program, and multipath signal judging device 有权
标题翻译：多路径信号判断方法，程序和多径信号判断装置
公开(公告)号：US08155171B2
公开(公告)日：2012-04-10
申请号：US12338387
申请日：2008-12-18
申请人： Tsubasa Shirai
发明人： Tsubasa Shirai
IPC分类号： H04B1/707
CPC分类号： G01S19/22
摘要： A multipath signal judging method includes: performing correlation calculation for I and Q components for a reception signal as a positioning signal modulated in a spread code and a replica code; judging code phase based on the correlation calculation; calculating an angle formed by position vectors of correlation values at advanced phase and delayed phase from the code phase in advanced and delayed directions by N chip (0
摘要翻译：多径信号判断方法包括：对接收信号的I和Q分量进行相关计算，作为以扩展码和副本码调制的定位信号; 基于相关计算判断代码阶段; 通过在IQ坐标上绘制的N个码片（0

4. 发明申请

US20090310655A1 SEARCH FREQUENCY CORRECTION METHOD, POSITIONING METHOD, PROGRAM, AND RECEIVING APPARATUS 失效
标题翻译：搜索频率校正方法，定位方法，程序和接收装置
公开(公告)号：US20090310655A1
公开(公告)日：2009-12-17
申请号：US12478483
申请日：2009-06-04
申请人： Tsubasa Shirai
发明人： Tsubasa Shirai
IPC分类号： H04B1/00
CPC分类号： H04B1/7075 , H04B2201/70715
摘要： A search frequency correction method includes: obtaining correlation values by correlating between a received signal that is modulated by direct sequence spread spectrum modulation and a replica code of a spread code with respect to I and Q components at a predetermined search frequency, obtaining accumulated correlation values by accumulating the correlation values of each polarity inversion interval with respect to the I and Q components, calculating a plurality of combinations of the accumulated correlation values in both signs, selecting one of the combinations based on the calculation results of the respective combinations, and correcting the search frequency based on a time variation of an IQ phase represented by the accumulated correlation values of the one of the combinations.
摘要翻译：搜索频率校正方法包括：通过将通过直接序列扩频调制调制的接收信号与扩频码的复制码相对于预定搜索频率的I和Q分量进行相关来获得相关值，获得累加的相关值通过累积相对于I和Q分量的每个极性反转间隔的相关值，计算两个符号中累积的相关值的多个组合，基于各个组合的计算结果选择组合中的一个，并且校正所述搜索频率基于由所述组合中的所述一个的累积相关值表示的IQ相位的时间变化。

5. 发明授权

US08514912B2 Search frequency correction method, positioning method, program, and receiving apparatus 失效
标题翻译：搜索频率校正方法，定位方法，程序和接收装置
公开(公告)号：US08514912B2
公开(公告)日：2013-08-20
申请号：US12478483
申请日：2009-06-04
申请人： Tsubasa Shirai
发明人： Tsubasa Shirai
IPC分类号： H04B1/00
CPC分类号： H04B1/7075 , H04B2201/70715
摘要： A search frequency correction method includes: obtaining correlation values by correlating between a received signal that is modulated by direct sequence spread spectrum modulation and a replica code of a spread code with respect to I and Q components at a predetermined search frequency, obtaining accumulated correlation values by accumulating the correlation values of each polarity inversion interval with respect to the I and Q components, calculating a plurality of combinations of the accumulated correlation values in both signs, selecting one of the combinations based on the calculation results of the respective combinations, and correcting the search frequency based on a time variation of an IQ phase represented by the accumulated correlation values of the one of the combinations.
摘要翻译：搜索频率校正方法包括：通过将通过直接序列扩频调制调制的接收信号与扩频码的复制码相对于预定搜索频率的I和Q分量进行相关来获得相关值，获得累加的相关值通过累积相对于I和Q分量的每个极性反转间隔的相关值，计算两个符号中累积的相关值的多个组合，基于各个组合的计算结果选择组合中的一个，并且校正所述搜索频率基于由所述组合中的所述一个的累积相关值表示的IQ相位的时间变化。

6. 发明申请

US20120259543A1 Position Calculating Method and Position Calculating Device 有权
标题翻译：位置计算方法和位置计算装置
公开(公告)号：US20120259543A1
公开(公告)日：2012-10-11
申请号：US13444728
申请日：2012-04-11
申请人： Tsubasa Shirai
发明人： Tsubasa Shirai
IPC分类号： G01C21/00
CPC分类号： G01S19/40 , G01S19/22
摘要： A position calculating method comprising: receiving a positioning signal; and performing a position calculating operation using the received positioning signal, the position calculating operation being a operation based on a given probability distribution model having at least a variation in previous operation result as a random variable.
摘要翻译：一种位置计算方法，包括：接收定位信号; 以及使用接收的定位信号执行位置计算操作，所述位置计算操作是基于具有至少前一操作结果的变化的给定概率分布模型作为随机变量的操作。

7. 发明授权

US08775076B2 Position calculating method and position calculating device 有权
标题翻译：位置计算方法和位置计算装置
公开(公告)号：US08775076B2
公开(公告)日：2014-07-08
申请号：US13444728
申请日：2012-04-11
申请人： Tsubasa Shirai
发明人： Tsubasa Shirai
IPC分类号： G01S19/42
CPC分类号： G01S19/40 , G01S19/22
摘要： A position calculating method comprising: receiving a positioning signal; and performing a position calculating operation using the received positioning signal, the position calculating operation being a operation based on a given probability distribution model having at least a variation in previous operation result as a random variable.
摘要翻译：一种位置计算方法，包括：接收定位信号; 以及使用接收的定位信号执行位置计算操作，所述位置计算操作是基于具有至少前一操作结果的变化的给定概率分布模型作为随机变量的操作。

8. 发明申请

US20100328151A1 MULTIPATH SIGNAL EVALUATION METHOD, POSITION CALCULATION METHOD, AND MULTIPATH SIGNAL EVALUATION DEVICE 有权
标题翻译：多路信号评估方法，位置计算方法和多路信号评估装置
公开(公告)号：US20100328151A1
公开(公告)日：2010-12-30
申请号：US12824124
申请日：2010-06-25
申请人： Tsubasa Shirai
发明人： Tsubasa Shirai
IPC分类号： G01S19/22 , H04B1/707
CPC分类号： G01S19/22 , H04B1/7085 , H04B2201/70715
摘要： A multipath signal evaluation method includes, carrying out a correlation calculation on a received signal from a positioning satellite to obtain a peak correlation value, and determining reliability for a received multipath signal by using the peak correlation value and a correlation value at a phase delayed from a peak phase in which the peak correlation is obtained.
摘要翻译：多径信号评估方法包括：对来自定位卫星的接收信号进行相关计算，以获得峰值相关值，并通过使用峰值相关值和延迟的相位相关值来确定接收到的多径信号的可靠性得到峰值相关的峰值相位。

9. 发明授权

US08265125B2 Code phase error estimating method, code phase calculating method, program, code phase error estimating device, and code phase calculating device 有权
标题翻译：码相位误差估计方法，码相位计算方法，程序，码相位误差估计装置和码相位计算装置
公开(公告)号：US08265125B2
公开(公告)日：2012-09-11
申请号：US12341368
申请日：2008-12-22
申请人： Tsubasa Shirai
发明人： Tsubasa Shirai
IPC分类号： H04B1/00
CPC分类号： H04B1/7085 , G01S19/22 , H04B2201/70715
摘要： A code phase error estimating method includes calculating correlation for I and Q components of a reception signal, judging code phase based on the result of the correlation calculation; calculating a ratio of first difference to a second difference, where the first difference is a first correlation value minus a third correlation value and the second difference is a second correlation value minus the third correlation value, the first correlation value being a correlation value at the code phase, the second correlation value being a correlation value at a phase shifted from the code phase by X chip (0
摘要翻译：码相位误差估计方法包括：计算接收信号的I和Q分量的相关性，基于相关计算的结果判断码相位; 计算第一差异与第二差值的比率，其中第一差值是第一相关值减去第三相关值，第二差值是第二相关值减去第三相关值，第一相关值是码相位，第二相关值是从码片相位移位X码片（0

10. 发明申请

US20110291881A1 POSITION CALCULATING METHOD AND POSITION CALCULATING DEVICE 有权
标题翻译：位置计算方法和位置计算装置
公开(公告)号：US20110291881A1
公开(公告)日：2011-12-01
申请号：US13115929
申请日：2011-05-25
申请人： Tsubasa Shirai
发明人： Tsubasa Shirai
IPC分类号： G01S19/42
CPC分类号： G01S19/22
摘要： There is provided a position calculating method including: calculating a pseudorange by receiving a satellite signal from a positioning satellite; and calculating a position using a normal mixture distribution model which expresses distribution of an error included in the pseudorange with normal mixture distribution.
摘要翻译：提供了一种位置计算方法，包括：通过从定位卫星接收卫星信号来计算伪距; 并使用表示包含在具有正态混合分布的伪距中的误差的分布的正态混合分布模型来计算位置。

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