| 摘要 |
A system ( 400, 500 ) and method ( 800 ) of personal inertial navigation measurements can include measuring ( 802 ) an angle, measuring ( 804 ) an angular velocity independent of an angle measurement, measuring ( 806 ) an angular acceleration independent of the angle measurement and independent of an angular velocity measurement, and combining ( 808 ) the angle measurement, the angular velocity measurement, and an angular acceleration to provide an angled output. The angle measurement can be measured using a compass or magnetic field, the angular velocity can be measured using a gyroscope (such as a MEMS gyroscope), and the angular acceleration measurement can be measured using an angular accelerometer (such as a molecular electronic transfer device having a magneto hydrodynamic effect device). The method can further include suppressing ( 810 ) noise caused by the angle measurement by using a sample and hold circuit ( 504 ) controlled by a higher ordered component to suppress noise from a lower ordered component.
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