Evaluating image quality of the system with the method of spotdiagram energy concentration and deviation of energy centre.
以点列图能量集中度和能量重心偏评价光学系统的成像质量。
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The phase changes in the imaging process can be tested accurately by the phase-shifting technique and then used for ray tracing to get the spotdiagram.
And the same time developed the construction of data frame for the road traffic accident spotdiagram drawing technology and the integration accident reappearance technical.