Atmospheric turbulence phase space-time estimation algorithm
An atmospheric turbulence, space-time technology, applied in the field of adaptive optics, can solve the problems that cannot meet the real-time performance and accuracy of adaptive optics system phase measurement, cannot meet the real-time performance of adaptive optics system phase measurement, and the time-series image features cannot be very good. It can meet the real-time requirements, the calculation speed is fast, and the structure is simple.
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[0059] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, and the present invention includes but not limited to the following embodiments.
[0060] Embodiment 1 of the present invention provides a space-time prediction algorithm for atmospheric turbulence phase based on deep learning, such as figure 1 As shown, it includes two stages of training and estimation, which are divided into the following steps:
[0061] a. The steps in the training phase are:
[0062] S1. Use the phase acquisition device to obtain the time-series atmospheric turbulence phase map introduced by atmospheric turbulence. The atmospheric turbulence phase map is marked as Pi in turn, where i=1, 2, 3, 4...T, T is the maximum of the obtained time-series phase information number of frames. The time interval between adjacent frames is equal;
[0063] S2. Process T frames of atmospheric turbulence phase map into N pieces of equal-length atmosph...
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