发明名称 |
PORTABLE ELECTRONIC DEVICE ADAPTED TO PROVIDE AN IMPROVED ATTITUDE MATRIX FIELD |
摘要 |
According to one aspect, a method of determining an attitude matrix on a portable electronic device. The method includes determining a first attitude matrix gradient using data from at least one of an accelerometer and a magnetometer, determining a second attitude matrix gradient using data from a gyroscope, fusing the first attitude matrix gradient and the second attitude matrix gradient based on a mixing coefficient to generate a fused gradient, and based on the fused gradient, updating a fine attitude matrix for the portable electronic device.
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申请公布号 |
CA2769480(A1) |
申请公布日期 |
2012.08.28 |
申请号 |
CA20122769480 |
申请日期 |
2012.02.27 |
申请人 |
RESEARCH IN MOTION LIMITED |
发明人 |
OKA, ANAND RAVINDRA;ALMALKI, NAZIH;SNOW, CHRISTOPHER HARRIS |
分类号 |
G01C9/00;G06F15/02;H04W88/02 |
主分类号 |
G01C9/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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