Low-cost combination type positioning and orienting device and combined positioning method
A positioning, directional, combined technology, applied in the directions of measuring devices, instruments, surveying and navigation, etc., can solve the problems of GPS signal occlusion and GPS positioning failure, and achieve the effect of improving measurement accuracy, low precision and low power consumption
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[0033] The present invention is described in more detail below in conjunction with accompanying drawing example:
[0034] combine figure 1 . The composition of the low-cost combined positioning and orientation device includes a micro inertial measurement unit (MEMSIMU) 1, an air velocity meter 2, an altimeter 3, a GPS receiver 4, a digital electronic compass 5, a power module 6, and a 14-pin aviation plug for communication with the outside world 7. The 4-core power plug 9 and the navigation computer 15, the micro-inertial measurement unit includes 9 MEMS gyroscopes and 6 biaxial accelerometers, and it forms a micro-inertial navigation system (MEMS INS) with the navigation computer, which can measure the attitude of the carrier in real time, position and velocity. 11 is the air vent that the gas velocity meter is connected with the outside world. The altimeter is AXD550, 10 is the air hole corresponding to the altimeter, and the height of the carrier is calculated by measuri...
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