A Study of the Effects of Vertical Jitter on Slow-Scan Vidicon Images

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPTE
Volume: 77, No. 4, pp. 306–312
Abstract: Vertical jitter in a television system is caused by variations in sweep rate of the vertical-sweep voltage or current. For the Surveyor TV system, establishing a meaningful tolerance on vertical jitter was the object of a study of the effects of jitter on vertical resolution, signal-to-noise ratio, and line brightness variations, with some emphasis on the results expected for systems utilizing destructive readout and a shuttered mode of operation. The problem was approached by (1) using a mathematical model constructed for the readout and erasure process and applying this model to calculate line brightness variations due to vertical jitter and (2) analyzing the degradation in vertical resolution in terms of scene spectral densities. It was concluded that jitter distortion of the video due to high-frequency vertical-sweep noise could become significant. The results based on spectral densities led to a somewhat more severe jitter requirement than that obtained by the method of setting a limit to allowable line-to-line brightness variation.
Publication Date: 1968-04-01
DOI: 10.5594/J05826
ISSN: Print: 0361-4573
Link: https://doi.org/10.5594/J05826
Author(s): Elliot M. SilversteinSpace Systems Div., Aerospace Group, Hughes Aircraft Co., El Segundo, Calif. 90245.; McDonnell Douglas, 3000 Ocean Park Blvd., Santa Monica, Calif. 90406.
Robert M. GagliardiSpace Systems Div., Aerospace Group, Hughes Aircraft Co., El Segundo, Calif. 90245.
Copyright: © 1968 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

1. Miller A. Izatt J. R. , “Destructive readout in image tubes,” Appl. Optics , 5 , No. 12 , 1940 – 1945 , Dec. 1966 . EXTERNAL
2. Myszko R. , “Effect of vibration on the photographic image,” J. Opt. Soc. Am. , 53 , No. 8 , 935 – 940 , Aug. 1963 . EXTERNAL

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Elliot M. Silverstein and Robert M. Gagliardi; A Study of the Effects of Vertical Jitter on Slow-Scan Vidicon Images, Journal of the SMPTE ( Volume: 77, Issue: 4, April 1968); SMPTE, 1968. Available at https://doi.org/10.5594/J05826

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Elliot M. Silverstein and Robert M. Gagliardi; A Study of the Effects of Vertical Jitter on Slow-Scan Vidicon Images, Journal of the SMPTE ( Volume: 77, Issue: 4, April 1968); SMPTE, 1968. Available at https://doi.org/10.5594/J05826

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<span class="citation">Elliot M. Silverstein and Robert M. Gagliardi; <cite>A Study of the Effects of Vertical Jitter on Slow-Scan Vidicon Images</cite>, Journal of the SMPTE ( Volume: 77, Issue: 4, April 1968); SMPTE, 1968. Available at <a href="https://doi.org/10.5594/J05826" target="_blank" rel="noopener">https://doi.org/10.5594/J05826</a></span>

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<li>
Elliot M. Silverstein and Robert M. Gagliardi; <cite id="bib-10-5594-j05826">A Study of the Effects of Vertical Jitter on Slow-Scan Vidicon Images</cite>, Journal of the SMPTE ( Volume: 77, Issue: 4, April 1968); SMPTE, 1968
<span class="doi">10.5594/J05826</span>
</li>