Sentence examples for a star image from inspiring English sources

The typical aberration figures shown in Figure 8 are, of course, grossly exaggerated, and actually it requires some magnification of a star image to render these appearances clearly visible.

In 1879 Rayleigh studied the effects of phase inequalities in a star image and came to the conclusion that an image will not be seriously degraded unless the path differences between one part of the wave and another exceed one-quarter of the wavelength of light.

By tracing the paths of a great many (100 or more) meridional and skew rays through a lens, with the help of an electronic computer, and plotting the assemblage of points at which all these rays pierce the focal plane after emerging from the lens, a close approximation to the appearance of a star image can be constructed, and a good idea of the expected performance of a lens can be obtained.

In this method, the angular velocity is estimated by assessing the quality of a star image, based on how blurred it appears to be.

A star image divider assembly in conjunction with cryogenic photo detectors is used to provide quadrant pointing information which is used to maintain the attitude of the spacecraft.

For a star image spot covering a certain number of pixels, the marginal distribution of the gray accumulation on rows and columns are shown and analyzed, based on which the formulas of Gaussian Analytic Centroiding method (GAC) are deduced, and the robustness is also promoted due to the inherited filtering effect of gray accumulation.

A white dwarf, containing up to 1.4 times the mass of the sun squeezed into a volume about the size of the Earth, leeches matter from a companion star (image 1).

The energy distribution of an actual star image coincides with the Gaussian law statistically in most cases, so the optimized processing algorithm about star image centroiding should be constructed also by following Gaussian law.