Method for evaluating imaging effect of TDICMOS in rolling row period

Abstract

The invention relates to a method for evaluating an imaging effect of a TDICMOS in a rolling row period and relates to the technical field of TDICMOS imaging effect evaluation. The method comprises the following steps: according to jump edge positions of charge transfer signals obtained under different row periods, counting high-level starting and ending positions of each driving signal and the number of times that a rising edge or a falling edge appears on the same driving signal in one row period; comparing rising and falling edge positions of the charge transfer signals one by one, and recalculating the rising edge position; calculating that the mass center position of each charge transfer is equal to the sum of the rising edge position and the falling edge position; calculating the distance between the centroids in each step; and finally, calculating the current dynamic transfer function value according to the phase number of charge transfer and the distance between the centroids in the corresponding row period. By judging the relative positions of the rising edge and the falling edge, the position of the mass center can be conveniently calculated, and errors caused by redundant conversion are avoided.

Description

technical field [0001] The invention relates to a TDICMOS imaging effect evaluation method, in particular to a TDICMOS imaging effect evaluation method under rolling line cycle. Background technique [0002] When imaging with a multi-spectral TDICMOS detector, in order to obtain high dynamic transfer function imaging, it is necessary to divide the charge transfer process as evenly as possible. For multi-spectral TDICMOS imaging applications, in order to avoid mutual interference between the spectral segments, the mutual sensitive areas are usually avoided, which leads to the uneven distribution of the entire charge transfer process. The degree of equalization of the step charge transfer is different, resulting in a change in the dynamic transfer function on the orbit. Contents of the invention [0003] In order to solve the problem in the prior art that the equalization degree of charge transfer is different during the rolling line cycle imaging process of the track, resu...

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Problems solved by technology

[0003] In order to solve the problem in the prior art that the equalization degree of charge transfer is different during the rolling line cycle imaging process of the track, resulting in the change of the dynamic transfer function on the track, the invention provides a method for evaluating the imaging effect under the rolling line cycle of TDICMOS

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