high modulation transfer function
Excess phase effects and modulation transfer function degradation in relation to loudspeakers and rooms intended for the quality control monitoring of music
... the response of the system after equalisation by a ’perfect’ real-time filter. As the excess-phase response extends ’flat’ down to 0Hz, any practical equalisation filter will include a high-pass filter to protect ...
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Testing high resolution SD ADC’s by using the noise transfer function
... the modulation noise, placing most of its energy outside the signal ...Noise Transfer Function is in fact describing how much the quantization noise is attenuated in the modulator band, it can ...
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Modulation transfer function as a measure of room low frequency performance
... attain high MTF scores, any excessive modal activity must be controlled and the MTF plot is therefore a useful indicator of which frequency range may be the most problematic in any given listening ...
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Calculation of the modulation transfer function from the square wave response function data with an interactive curve fitting software
... the standard deviation of pixel values of the areas could be calculated. With the advent of CCD film scanners a study in this direction is worth trying, however, the typical resolution of a CCD film scanner is around 50 ...
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HgI2 As X-Ray Imager: Modulation Transfer Function Approach
... Algorithm used in other timetabling problems, study the development technologies for the automated timetabling, develop an automated web based timetable management system were main objectives of this research. Finally, ...
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Evaluation of Mean Glandular Dose and Modulation Transfer Function for Different Tube Potentials and Target-Filter Combinations in Computed Radiography Mammography
... Our study results indicate that Mo-Rh yields a lower MGD value than Mo-Mo; this result is validated in Dance et al. (17). This proves that Mo-Rh is suitable for dose reduction in breasts with a thickness of 2–4 cm. Since ...
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Reference-free determination of tissue absorption coefficient by modulation transfer function characterization in spatial frequency domain
... extremely high absorption region which is basically coinci- dent with the tumor bulge observed in the surface height map, demonstrating the high absorption contrast of the tumor to the surrounding tissue as ...
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Slanting EDGE method for modulation transfer function computation of X-Ray system
... A high level of image quality translates into a more accurate ...the modulation transfer function (MTF) (Morishita et ...signal transfer of an imaging ...
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Quantification of Optical Clarity of Transparent Soil Using the Modulation Transfer Function
... linear function of speckle intensity con- ...original high-contrast of the original speckle pattern, a reduction in contrast associated with a MTF value of ...a function of patch size, spatial ...
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Point Spread Function and Modulation Transfer Function Engineering
... This thesis has presented a novel computational imaging approach to sensor protection using point spread function engineering to redistribute laser light on the sensor effectively reducing its peak irradiance. The ...
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The time domain performance of standard listening rooms: an assessment of current rooms and recommendations for achieving improved compatibility
... The common knowledge is that high modal density and an even spread of the eigenfrequencies provides a frequency response which may be acceptable, i.e. close to flat. This is in general true, but only above a ...
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Evaluation of Halftone Images by Modulation Transfer
... some line at com of purpose no spatial microdensitometer resulted in the low quickest each microscope in the line the micro a of use found that the was seen clear calibration to exposure[r] ...
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Improvement of the Performances of 1D Photonic Crystal by the Reduction of the Kiessig Fringes
... The difference between smoothing and apodization techniques seems to be negligible because their principles are very similar. However, the smoothing technique is generally applied to shape separating the studied system ...
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Comparison studies of resolution and noise properties between drum type and laser type film digitization systems
... analyzed function of ImageJ. Another process function which exists in ImageJ was used to Fourier transform the image data in accordance with Equation 8 which estimates the noise power spectrum (NPS) of the ...
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Mechanism Of QR Code Modulation For Data Transmission In Mobile Devices
... to transfer even more data faster and with high reliability have emerged, there have been many improvements that were made on the original barcode ...data transfer scenarios like storing contact ...
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Eye damage due to cosmetic ultrasound treatment: a case report
... After anti-glaucoma treatment for 1 day, IOP of the right eye dropped to normal range (21 mmHg). Uncorrected visual acuity in the right eye was improved to 20/160. Best-corrected visual acuity (BCVA) of right eye was ...
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Investigation of an in-situ method for determining the modulation transfer function and its applications in a microlithographic wafer stepper
... The effect of changes in focus can clearly be seen in the resulting MTF Rayleigh depth of defocus aerial the on decrease the kept when focus and the scattering line using the that lines [r] ...
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Phase-dependent effects in bichromatic high-order harmonic generation
... address high-order harmonic generation with linearly polarized bichromatic fields, concentrating on a modulation in the harmonic yield as a function of the relative phase between the two field ...
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Determination of noise equivalent quanta of medical screen-films
... Figure 3 shows the NEQ of both screen-film combinations computed by the program. For spatial frequency 0–0.7 cycles/mm, the NEQ of Lanex Regular/T Mat G is slightly lower than that of Lanex Regular/T Mat L; for frequency ...
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Micromachined vibratory gyroscopes controlled by a high order band pass sigma delta modulator
... Monte Carlo simulations were carried out for the two high-order bandpass control systems (see Figs. 9 and 13), but the results were practically identical, and there is no effect on loop stability due to practical ...
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