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Current intravascular ultrasound (IVUS) probes are not optimized for contrast detection because of their design for high-frequency fundamental-mode imaging. However, data from transcutaneous contrast imaging suggests the possibility of utilizing contrast ultrasound for molecular imaging or vasa vasorum assessment to further elucidate atherosclerotic plaque deposition. This paper presents the design,...
RFID systems are an important technique in short range wireless communication. This study explores link budget and performance limitations of microwave passive RFID system. Site-specific model and statistical model are proposed for mean path loss. The key parameters affecting the performance are studied, including reader limitations, tag limitations, multi-path propagation environments, and antenna...
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