Airport foreign object radar detection method based on time-direction statistics
A radar detection and foreign object technology, applied in the field of detection and identification, can solve the problems of inaccurate FOD detection, etc., and achieve the effect of reducing the impact of outstanding noise, increasing reliability and avoiding misjudgment
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[0024] The airport foreign object radar detection method based on time-direction statistics in the embodiment of the present invention specifically includes the following steps:
[0025] Step 1. On the airport pavement without foreign matter, collect N times echo data of the radar scan for a single position unit, and obtain N sets of echo data of the position unit. A location unit is a block unit corresponding to the data collected by the radar, which is relatively small and can be regarded as a point.
[0026] Step 2. Perform statistics on the N groups of echo data to obtain the distribution mean, variance and probability density curve as the reference probability density curve.
[0027] Step 3. During detection, for a single-position unit, the echo data scanned by the radar at the current moment and the N-1 sets of echo data scanned at the previous moment are extracted in real time as the current N sets of echo data. In this way, it is equivalent to using a "sliding window"...
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