Xing Hui. Method of Adjusting the Line Array Direction of the Time Delay Integration CCD[J]. Acta Optica Sinica, 2013, 33(9): 912006
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Time delay integration (TDI) CCD is a kind of CCD with frame structure and linear output, and its charge transfer has certain directivity. Therefore, CCD integal direction and TDI imagery heading must maintain the same. The measuring principle of the theodolite is given, and then the measuring coordinate system is established. Measuring principle and adjusting method are analyzed for both symmetrical and unsymmetrical field TDI CCD.The formula to calculate the linear array direction is also deduced. The example given at the end indicates the measuring and calculating method is feasible.