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This paper presents the design of Fermi antenna array with improved gain for radar respiration measurement. A six-element Fermi antenna array working at 5.8 GHz is optimally designed and integrated with the respiration radar system. Specifically, to easily feed the antenna array as well as reduce the total size of the array system, a feeding network based on 0-degree phase shifters is employed along...
Lung cancer radiotherapy is subject to tumor motion caused mainly by respiration, due to the internal organ link. Motion-adaptive radiotherapy delivers most effective radiation dose to the tumor, while minimizes the damage to normal tissues. Accurate tumor tracking, an attractive motion-adaptive radiotherapy, requires accurate measurement of respiration at multiple body locations. Radar respiration...
Respiratory gating and tumor tracking are two promising motion-adaptive lung cancer treatments, minimizing incidence and severity of normal tissues and precisely delivering radiation dose to the tumor. Accurate respiration measurement is important in respiratory-gated radiotherapy. Conventional gating techniques are either invasive to the body or bring insufficient accuracy and discomfort to the patients...
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