Blocks ten through fifteen each encode a calibration value for the sensor.
2.
Each unit has manufacturer-supplied calibration values for its specific performance characteristics.
3.
Proper calibration value also depends on the calibration specimen which is usually a specially etched material with great precision.
4.
With a proper calibration value and good image processing algorithms, resolution of much less than one micrometre ( ?m ) can be achieved.
5.
Also in the example above, ideally the calibration value of 100 units would be the best point in the gage's range to perform a single-point calibration.
6.
Instrument sensitivity is close to pre-launch calibration values, and detector background is exceptionally low ( 0.16 counts per resolution element per 1000 seconds for the FUV detector, and 1.7 counts per resolution element per 100 seconds for the NUV detector ).
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