A Gage Block Measurement Process Using Single Wavelength Interferometry, Issue 152U.S. Department of Commerce, National Bureau of Standards, 1975 - 30 pages |
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Page 25
... Variance , S Standard deviation , S of the difference between Round 1 and Round 2 Variance , S 2 m m S Pooled standard deviation , S , of the mean of 4 fringe fraction submeasurements of a photograph Variance , S s2 S .067 .00449 .013 ...
... Variance , S Standard deviation , S of the difference between Round 1 and Round 2 Variance , S 2 m m S Pooled standard deviation , S , of the mean of 4 fringe fraction submeasurements of a photograph Variance , S s2 S .067 .00449 .013 ...
Page 26
... variances of the 0.129 and 0.150 inch blocks with the variance of the 10 inch glass - ceramic block with its maximization of pressure and humidity effects and minimization of temperature effects . Variance , S caused by pressure and ...
... variances of the 0.129 and 0.150 inch blocks with the variance of the 10 inch glass - ceramic block with its maximization of pressure and humidity effects and minimization of temperature effects . Variance , S caused by pressure and ...
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Common terms and phrases
0.129 INCH CONTROL air temperature aligned analysis aneroid barometer Atmospheric pressure autocollimation automatic data processing beam splitter block and platen block reference standards collimating lens computed control chart DEVIATION FROM NOMINAL emfs entrance aperture error sources exit aperture Figure fringe fraction measurement fringe pattern gage block interferometer gage block length gage block measurements gage block temperature gage point gaging face Humidity measurement hygrometer inch block inch control standards inch glass-ceramic block inch steel block interferometer housing iodine stabilized laser junction laser light source laser values length dependent random MEAN VALUE measuring system National Bureau NOMINAL LENGTH microinches number of fringes OBSERVATION NUMBER optical flat parameters photograph polarization process changes process precision random and systematic random error reference mirror Refractive index relative humidity standard gage blocks systematic errors technical Technology temperature measurement Temperature system thermocouples thru Trichloroethylene uncertainty Vacuum wavelength Variance wave plate whole number µin