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Ballistocardiography (BCG) is a non-invasive method for measuring the reaction force of the human body to the ejection of blood at each cardiac cycle. It is now being the subject of renewed research interest due to recent technological advancement in the field of sensors. In this paper, we summarize our work on BCG with optical fiber sensors for various applications in the past 6 years. These include...
Ballistocardiography (BCG) is a non-invasive method for measuring the reaction force of the human body to the ejection of blood at each cardiac cycle. It is now being the subject of renewed research interest due to recent technological advancement in the field of sensors. In this paper, we summarize our work on BCG with optical fiber sensors for various applications in the past 6 years. These include...
Modular multilevel converter (MMC) has become the most promising converter technology for high-voltage direct current (HVdc) transmission systems. MMC submodule (SM) topologies with dc fault ride-through capabilities are emerging which are suitable for overhead line applications. The hybrid SM design of each converter arm can get the compromise of higher capability of handling dc fault and lower capital...
Alternate arm converter (AAC) and hybrid cascaded multi-level converter (HCMC) are two promising hybrid multi-level converters (HMCs) for long-distance overhead line (OHL) based high voltage direct current (HVDC) transmission systems. This paper first outlines the basic operational principles of AAC and HCMC and based on their topological features, the initial required numbers of the H-bridge cells...
Onboard SAR data imaging is increasingly important for many satellite applications. And optical SAR processor is one promising solution due to its extremely quick calculation speed, simple structure and strong radiation hardness. Recent relative researches done by researchers of National Optics Institute in Canada prove the feasibility of optical processor, but its resolution of 30 meter is relatively...
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