Contactless Measurement of Motion of Human Cardiovascular Using Array Antennas Spatial Signal Processing

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Circulatory diseases, such as arteriosclerosis and myocardial infarction is a serious disease, which account for the second leading cause of death by disease of Japanese. For the prevention and diagnosis early diagnosis of cardiovascular disease, the burden of patients is small and therefore, diagnostic method with high accuracy is required than before. The attempt has been aimed at the realization, and to measure the motion of cardiovascular tissues such as heart and arteries in the present study object, and extracts the information for diagnosis.For the purposes of this study challenge, "Experimental equipment of spatial signal processing for micro-wave array antenna" was produced. Contactless measurements were performed without damaging the body and motion of organs of human cardiovascular surrounding using this experimental equipment. As a result, we succeeded in capturing separate motion by the heart beat and signal fluctuations due to respiration.