نتایج جستجو برای: high spatial resolution

تعداد نتایج: 2447548  

Journal: :IEEE Transactions on Nuclear Science 1982

Due to the differences between the visible and thermal infrared images, the combination of these two types of images leads to better understanding of  the characteristics of targets and the environment. Thermal infrared images are really in distinguishing targets from the background based on the radiation differences and  land surface temperature (LST) calculation. However, their spatial resolu...

Journal: :iranian journal of nuclear medicine 2005
ahmad bitarafan rajabi hossein rajabi seyed hasan firoozabadi nahid yaghoobi feridoon rastgoo

introduction: acceptance test is a necessary procedure after spect system installation. the goal of this test is to reveal system's present condition, to compare it with manufacturer's specifications and also as a base for later tests. methods: this study investigated four spect systems in tehran. all of the quality control tests are performed on the basis of nema and iaea recommendations and b...

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