Precision compensation method for area APS (active pixel sensor) digital sun sensor
A sun sensor and precision compensation technology, applied in the direction of instruments, measuring devices, etc., can solve the problems of failure to correct errors, failure to achieve high precision, failure to correct and compensate, etc.
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[0047] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0048] figure 1 (a) is a schematic diagram of the measurement principle of the single-hole area array APS digital solar sensor. According to the principle of pinhole imaging, the incident light at different angles passes through the pinhole of the light introducer to form a spot position on the detection surface of the image sensor. Calculate the coordinate value of the center position of the light spot, obtain the tangent value of the angle, and then calculate the arc tangent to obtain the angle value. (b) is a schematic diagram of the light introducer of the porous array. The measurement principle is the same as that of the single-hole area array APS digital sun sensor. Only the number of small holes in the light introducer increases. The calculation of the center position is improved by calculating the average value of the center position of the por...
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