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This paper presents fundamental investigation of the validity of the homogeneous tissue-equivalent phantom which is simulated human tissue structures simply and is used in general experiment for evaluations of interaction between the human body and the antenna characteristics. In this paper, the dependence of antenna characteristics on structure of analytical model was investigated. Therefore the...
Recently, Radio Frequency Identification (RFID) systems have been widely developed. The wristband type RFID tag is one of the applications for personal identification. In this case, since the RFID antenna is in the vicinity of a human, the human body affects the antenna characteristics. Therefore, the analyses of the performances of the RFID antenna are required. In this paper, the antenna inside...
Magnetic resonance imaging (MRI) is a noninvasive imaging techniques used to visualize the inside of the human body based on nuclear magnetic resonance. Currently, RF coils that transmit high frequency and high power of electromagnetic (EM) wave pulses are being investigated to obtain high-quality images and to shorten the imaging time. Due to these approaches, the specific absorption rate (SAR) rise...
Today, money forms its own virtual world that is destructive to real economy; monetary economy formed by circulation of money has grown in an imbalanced way to have unproportionate influences over the real economy that consists solely of production, distribution and consumption. Virtual world technology can potentially lower the cost of alternative forms of economy that existed in the past, and bring...
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