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New definitions of pointing stability - ac and dc effects (1992)

Sirlin, Samuel W. ; Lucke, Robert L. ; San Martin, A. M.

In: Other Sources

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Publication Date: 2011-08-24

Description: For most imaging sensors, a constant (dc) pointing error is unimportant (unless large), but time-dependent (ac) errors degrade performance by either distorting or smearing the image. When properly quantified, the separation of the root-mean-square effects of random line-of-sight motions into dc and ac components can be used to obtain the minimum necessary line-of-sight stability specifications. The relation between stability requirements and sensor resolution is discussed, with a view to improving communication between the data analyst and the control systems engineer.

Keywords: INSTRUMENTATION AND PHOTOGRAPHY

Type: Journal of the Astronautical Sciences (ISSN 0021-9142); 40; 4; p. 557-576.

Format: text

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