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When a low voltage DC power source is used, a DC-DC converter with a high step-up voltage gain is required to raise the voltage to more applicable levels. This is typically achieved in classical converters which often have to be driven by pulse width modulation (PWM) waves with extremely high duty cycles. Although theoretically step-up converters can achieve an infinite gain as the duty cycle approaches...
New automotive modular multi-layered software organization particularly favors use and interoperability of components-off-the-shelf. However, the integration of software components is error-prone, if their coordination is not rigorously controlled. The risk of failure is increased with the possibility to multiplex software components with heterogeneous levels of criticality, observability. Most of...
We experimentally demonstrated a double-clad ytterbium-doped fiber amplifier operating at 1020 to 1070 nm. The measured gain is 27 dB and the gain variation is less than 2 dB.
In recent years, a number of studies have been done on Location-Based Service (LBS) due to their wide range of potential applications. In this paper, we propose a novel data mining algorithm named Cluster-based Mobile Sequential Pattern Mine (CMSP-Mine) for efficiently discovering the Cluster-based Mobile Sequential Patterns (CMSPs) of users in LBS environments. In CMSP-Mine, we first propose a transaction...
In recent years, a number of studies have been done on GPS (Global Positioning System) due to the wide applications. One important research issue is on the GPS navigation. In this paper, we propose a novel data mining algorithm named PATE (prediction-based algorithm for travel time evaluation) that can efficiently predict the travel time of a navigation path and precisely recommends the navigation...
In recent years, a number of studies have been done on location-based service (LBS) due to the wide applications. One important research issue is the tracking and prediction of users' mobile behavior. In this paper, we propose a novel data mining algorithm named TMSP-Mine for efficiently discovering the temporal mobile sequential patterns (TMSPs) of users in LBS environments. To our best knowledge,...
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