Television error data delay time measurement system and method
A technology of delay time and measurement system, applied in the direction of TV, electrical components, image communication, etc., can solve problems such as failure to improve and improve the expected purpose, failure to meet the requirements of TV tracking performance, failure to screen, etc., to achieve accurate measurement, Improve performance, address lag effects
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[0035] In order to verify the effectiveness of the scheme of the present invention, the following experiments were carried out.
[0036] The first step is to fasten the TV lens on the turntable.
[0037] The second step is to find an isolated target in the TV field of view, control the rotation of the turntable, and make the isolated target in the center of the TV field of view. At this time, the position angle code output by the turntable is 30°, and the TV error is zero.
[0038] The third step is to drive the turntable so that the turntable moves back and forth regularly, with a range of motion of 29.5° to 30.5° and a TV gate width of 1.6°.
[0039] In the fourth step, during the reciprocating motion of the turntable, the pointing angle of the turntable and the TV error signal are recorded in real time to form the pointing angle curve of the turntable and the TV error curve.
[0040] The fifth step is to obtain the time point when the turntable points at the left edge angl...
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