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An injection-locked frequency divider topology for wide locking-range and high-order division is presented. Based on the theoretical analysis of the locking-range and injection locking characteristic, we propose locking-range enhancement techniques and high-order dividing topology. Fabricated in a 0.18-$\mu \text{m}$ BiCMOS process, three test circuits are designed with only a standard CMOS, aiming...
Various analysis methods for examining wrist pulse characteristics are needed for accurate pulse diagnosis. In this feasibility study, principal component analysis (PCA) was performed to observe age-related factors of wrist pulse from various analysis parameters. Forty subjects in the age group of 20s and 40s were participated, and their wrist pulse signal and respiration signal were acquired with...
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