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Found 2 essays matching the above criteria.

1. 1. Correction of Radial Sampling Trajectories by Modeling Nominal Gradient Waveforms and Convolving with Gradient Impulse Response Function

   University essay from KTH/Medicinteknik och hälsosystem

   Author : Max Kim; Adham Belbaisi; [2019]
   Keywords : Magnetic resonance imaging; MRI; gradient waveforms; radial sampling; gradient imperfections; gradient impulse response function; GIRF; Magnetresonanstomografi; MRI; gradient vågformer; radiell sampling; gradient imperfektioner; gradient impulsresponsfunktion; GIRF;

   Abstract : There are several reasons for using non-Cartesian k-space sampling methods in Magnetic Resonance Imaging (MRI). Such a method is radial sampling, which includes the advantage of continuous coverage of the k-space center which results in higher robustness to motion. READ MORE

3. 2. Simulation of Temperature Distribution in IR Camera Chip

   University essay from Informationskodning

   Author : Stefan Salomonsson; [2011]
   Keywords : Thermal modeling; Thermal imaging; Bolometer detector; Finite Element Method; COMSOL Multiphysics;

   Abstract : The thesis investigates the temperature distribution in the chip of an infrared camera caused by its read out integrated circuit. The heat from the read out circuits can cause distortions to the thermal image. READ MORE