نتایج جستجو برای: frequency domain

تعداد نتایج: 858198  

Journal: :فیزیک زمین و فضا 0
ایمان گنجی دانشجوی دکتری ژئوفیزیک، گروه ژئوفیزیک، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات حمیدرضا سیاهکوهی دانشیار، گروه فیزیک زمین، مؤسسة ژئوفیزیک دانشگاه

seismic waves travelling through inelastic media are attenuated by the conversion of elastic energy into heat. upon being attenuated, the travelling wave changes: amplitude is reduced, travelling waveform is modified due to high-frequency content absorption, and phase is delayed. attenuation is usually quantified through the quality factor q: the ratio between the energy stored and lost in each...

Journal: :IFAC Proceedings Volumes 2006

Journal: :IEEE Transactions on Vehicular Technology 2020

Motion-JPEG is a common video format for compression of motion images with highquality using JPEG standard for each frame of the video. During transmission through a noisychannel some blocks of data are lost or corrupted, and the quality of decompression frames decreased.In this paper, for reconstruction of these blocks, several temporal-domain, spatial-domain, andfrequency-domain error conceal...

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