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We have demonstrated 1200V and 3300V planar 4H-SiC MOSFET technology at our 6-inch foundry. 1200V MOSFETs demonstrate good avalanche ruggedness under single-and one million (1,000,000) repetitive unclamped inductive switching (UIS) pulse tests. 1200V MOSFETs can pass one hundred (100) 10 microsecond short-circuit events at 600V bus voltage, while 3300V MOSFETs can pass 5 microsecond short-circuit...
This paper presents a real-time face detector, named Single Shot Scale-invariant Face Detector (S3FD), which performs superiorly on various scales of faces with a single deep neural network, especially for small faces. Specifically, we try to solve the common problem that anchorbased detectors deteriorate dramatically as the objects become smaller. We make contributions in the following three aspects:...
Multi-view subspace clustering aims to partition a set of multi-source data into their underlying groups. To boost the performance of multi-view clustering, numerous subspace learning algorithms have been developed in recent years, but with rare exploitation of the representation complementarity between different views as well as the indicator consistency among the representations, let alone considering...
Breakdown, at least in point-plane geometry, is the result of inception and propagation of pre-breakdown phenomena called "streamers". The purpose of the present investigation is a spectroscopic measurement of the essential plasma parameters, i.e. the gas temperature and the neutral particle and electron densities. In this paper we focus our spectroscopic investigation on fast positive filamentary...
Significant improvements in the performance of electronic dispersion post-compensation enabled by beating interference compensation were experimentally demonstrated in a 112 Gb/s/λ WDM Nyquist-subcarrier modulation direct-detection system in transmission over distances up to 240 km.
We experimentally demonstrate 112Gb/s/channel 35GHz-spaced WDM direct-detection SSB Nyquist-SCM transmission over a record distance of 240km SSMF using a novel beating interference compensation method, which offers a 7.6dB required OSNR improvement, and 200% reach enhancement.
The focus of this paper is power integrity design for noise sensitive circuits in the context of integrated voltage regulators (IVRs). Analysis and design require a combination of traditional noise mitigation and power conversion techniques simultaneously accounting for distributed load, parasitics, and decoupling, and IVR control mechanisms. Both passive and active techniques are described to target...
With increasing renewable distributed energy resources integrated into a microgrid, it is difficult to realize its optimal operation due to uncertain power outputs of wind turbines, photovoltaic cells, etc. This paper presents a flexible scheduling model for microgrid optimal operation, in which both the expectation of operational cost and the robustness of scheduling solutions are taken into account...
Micro emotion recognition is a very challenging problem because of the subtle appearance variants among different facial expression classes. To deal with the mentioned problem, we proposed a multi-modality convolutional neural networks (CNNs) based on visual and geometrical information in this paper. The visual face image and structured geometry are embedded into a unified network and the recognition...
Since electric vehicle drive system has high requirements, traction motors should be design and controlled with high output power performance throughout the entire driving range as well as with high torque performance at low speed range.
We have fabricated ultra-narrow (sub-10 nm) short channel (100 nm) silicon (Si) nanowire transistors with atomically flat interfaces based on Si-on-Insulator (SOI) substrates. The raised source and drain electrodes were patterned together with the gate electrode. The smaller threshold voltage in the narrower nanowire suggests self-limiting oxidation during the gate oxide formation.
Bi-axially strained Germanium (Ge) is an ideal material for Silicon (Si) compatible light sources, offering exciting applications in optical interconnect technology. By employing a novel suspended architecture with an optimum design on the curvature, we applied a biaxial tensile strain as large as 0.85% to the central region of the membrane.
We have found a systematic way to identify the bias conditions to observe the Random-Telegraph-Noise (RTN) in advanced Metal-Oxide-Semiconductor Field-Effect-Transistors (MOSFETs). We measured a p-type MOSFET at 2K, and found narrow bias conditions to observe the RTN presumably caused by charge trapping and de-trapping, which were only observed at low temperatures. It will pave the way to address...
Resilience evaluation and enhancement has become a vital issue concerning the effectiveness of a current supply chain. This research paper proposes a multi-tier supplier selection policy for resilience enhancement as well as a customer-service-level oriented resilience measurement approach using on-time delivery rate as the indicator. A simple case study involving main supplier failure disturbance...
The characterization of near-field couplings becomes an extremely important activity to optimize the best nominal performance of any electronic device in the presence of others. In order to handle the electromagnetic compatibility (EMC) problems at the initial design phase, a predictive method based on multipolar expansion in spherical harmonics has been developed. A new automatic measurement system...
An important way to decrease the EMC issue is to predict near-field coupling between components. The using of their electromagnetic equivalent model in spherical multipolar expansion, allow to calculate the near-field magnetic coupling. The method cannot be properly applied when the sources are too close. In this paper we use a spheroidal expansion system, propose to solve the problem which enable...
Nonlinear diffusion phenomena have been widely reported and the nonlinear character will inevitably be considered to obtain exact estimations of the migration of solute in the environment. A step-to-step diffusion test scheme based on the BTC method was put forward in this paper to investigate the change of diffusion coefficient with increasing solute concentration that is unclear in traditional test...
The increasing availability of digital learning resources on the Web is changing the nature of information retrieval (IR) in education. Educators and learners are often faced with two challenges in selecting appropriate online learning resources: the sheer number of learning resources and the variety of educational quality among them. This chapter provides an examination of the current approaches...
Face recognition at a distance (FRAD) is one of the most challenging forms of face recognition applications. In this chapter, we analyze issues in FRAD system design, which are not addressed in near-distance face recognition, and present effective solutions for making FRAD systems for practical deployments. Evaluation of FRAD systems is discussed.
In this paper, we present an effective approach for spatiotemporal face recognition from videos using an Extended set of Volume LBP (Local Binary Pattern features) and a boosting scheme. Among the key properties of our approach are: (1) the use of local Extended Volume LBP based spatiotemporal description instead of the holistic representations commonly used in previous works; (2) the selection of...
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