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One of the most apparent symptoms of heart failure that can be used for its primary detection is the accumulation of fluids in lungs (pulmonary edema). However, the competency of the non-invasive microwave detection system on varying tissues thickness (mainly fat and muscle) between the skin and lungs is one of the major challenges in the design of a successful microwave detection system. The penetration...
A circuit model is used to estimate the useful frequency bands that can be used in a microwave system designed for heart failure detection. That detection is realized by monitoring the accumulation of fluids in lungs (pulmonary edema) that is associated with heart failure. The circuit model is derived from the electrical properties of human tissues in the torso area. To include the effect of the variation...
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