Indoor positioning method of intelligent mobile phone
A smart phone and indoor positioning technology, applied in measuring devices, instruments, surveying and mapping and navigation, etc., can solve the problems of complex positioning system and high cost
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[0059] The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
[0060] A smart phone indoor positioning method, such as figure 1 As shown, including the following steps:
[0061] Step 1. Use the built-in acceleration sensor and gyroscope of the smartphone to calculate the pedestrian dead reckoning during the pedestrian movement, including judging the pedestrian's motion state, calculating the number of steps that occurred, calculating the distance traveled, and estimating the change in the direction of the pedestrian to obtain the estimated position information. The specific processing process of this step is as follows figure 2 Shown, including:
[0062] Step 1.1, use the accelerometer readings and the dynamic accuracy method to judge the pedestrian movement status.
[0063] In this step, sample the three-axis XYZ of the built-in acceleration sensor of the smartphone, calculate the acceleration vector sum, and...
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