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1. The mathematical expressions of MTF for linear motion and sinusoidal vibration are developed.
2. Vibrational MTF is compared with that under static condition, and the results are consistent with simulation curve with a 30% decrease at the Nyquist frequency.
3. This mechanism is called correspondence and allows MTF to traverse a whole model by applying all the correspondences reachable (directly or transitively) from the top-level relation.
4. There are many ways to judge an optical system's imaging quality, such as star test, resolution test, optical transfer function (MTF), and so on.
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6. METHODS: Retina MTF of two groups of people with emmetropia and ametropia were measured by means of a grating and parallel plate respectively. Then the measured MTF were compared and analyzed.
7. It is feasible that to use CCD device and image processing system in measurement of the modulation transfer function (MTF) of X-ray film and luminescent screen.
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8. Least square regression method was used for MTF curve (at logarithmic axis) fitting with quadratic equation so as or cubic equation to obtain the desired parameters.
9. MTF test of the field lens of narrow slot cameras is discussed.
10. We also analyse different interpolating methods , knife edge, gray-draw, height, angle which effect Modulated Transfer Function(MTF).
11. The MTF (Modulation Transfer Function)-based Wiener filter, which is comparatively fast and effective, in frequency domain is adopted to improve the image quality.
12. This section discusses how MTF can be used in a concrete case: a UML to Relational database (RDB) model transformation.
13. Using a knife edge to measure the MTF of optical system is a basic way. The paper discusses the influence of slit edge error on MTF by building a mathematical model.
14. The modulation transfer function(MTF) is one of the fundamental parameters to evaluate the infrared optical lens.
15. MTF can be deduced by PSF and the filter used in image reconstruction can be made thereby, so the accuracy of PSF directly affects the performance of reconstructed image.
16. That the phase match between input signal and CCD pixel has influence on the measuring results of MTF is showed by the analysis of the CCD sampling process.
17. The property of the large depth of focus imaging system is analyzed with light chart and MTF, and the result is discussed.
18. The parameters contain impulse noise, memory effect, scan correlated shift, coherent noise, random noise, dropped lines, inoperable detectors, saturated detectors, MTF, system resolution.
19. We also analyse different interpolating methods, knife edge, gray - draw, height, angle which effect Function ( MTF ) .
20. The reference frequency can eliminate most of the impact CMOS imager sensor itself makes to the system MTF and therefore make the MTF values more accurate.
21. A complete design example of elliptical window optical system is demonstrated and the results show that the MTF of optical system approaches the diffraction limit across the entire scanning field.
22. NOTE Resolution measurement metrics include resolving power , visual resolution , limiting resolution, SFR, MTF and OTF.
23. MTF allows users to specify a tape label that contains a MTF-specific description.
24. The system uses CCD as an image receiver and can acquire tangential and sagittal MTF data at one measure, according to analyze a single pixel image.
25. From the viewpoint of energy conserving, the properties of bond graph multiport element MTF are discussed.
26. In optimized design, damped least squares method and adaptive procedure are used to get higher relative aperture, lower distortion and appropriate MTF, and so on.
27. From the viewpoint of energy conservation, the properties of bond graph multiport element MTF are discussed.
28. In this thesis, we focuse on the microstructure and stress of ULSI Cu interconnects with their impacts on MTF of the electromigration.
29. To verify the accuracy of this method, the results are compared with the MTF values obtained by the original method, in which the gray level of the test chart pictures are read and calculated.
30. As part of its involvement in the QVT standardization, IBM has developed a prototype model transformation toolkit, MTF, which is now available from alphaWorks (see Resources).