| 发明名称 | Method of capturing satellite signal and device for capturing satellite signal | ||
| 摘要 | Every k (k≧2) sampling values of sampling values in a time series obtained by sampling reception signal from GPS satellite are selected, and addition-subtraction of the selected k sampling values is performed by changing the combinations of addition and subtraction. Using addition-subtraction results of a combination corresponding to time-series change in code values of a replica code from among the combinations of addition and subtraction, a correlation result of the reception signal and the replica code is calculated. The satellite signal of the GPS satellite is acquired using the correlation result. | ||
| 申请公布号 | US8842718(B2) | 申请公布日期 | 2014.09.23 |
| 申请号 | US201313737845 | 申请日期 | 2013.01.09 |
| 申请人 | Seiko Epson Corporation | 发明人 | Terashima Maho |
| 分类号 | H04B1/69;G01S19/30;H04B1/709 | 主分类号 | H04B1/69 |
| 代理机构 | Kilpatrick Townsend & Stockton LLP | 代理人 | Kilpatrick Townsend & Stockton LLP |
| 主权项 | 1. A method of acquiring a satellite signal, the method comprising: selecting every k (k≧2) sampling values from sampling values in a time series obtained by sampling a reception signal from a satellite; performing addition-subtraction of the selected k sampling values by changing combinations of addition and subtraction; calculating a correlation result of the reception signal and a replica code using the addition-subtraction results of a combination corresponding to time-series change in code values of the replica code from among the combinations of addition and subtraction; and acquiring the satellite signal of the satellite using the correlation result. | ||
| 地址 | Tokyo JP | ||