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Trigger detection plays a key role in the extraction of biomedical events, so it will influence the results of biomedical events extraction directly. The traditional biomedical event trigger recognition method is based on artificial design features and construct feature vectors; Not only does it consume great amounts of manpower, it also lacks system generalization ability. Most of methods of trigger...
Personalized recommendations can effectively solve the data explosion problem in network. Most existing works utilize rating information to reduce the score prediction error, e.g. MAE; however, users prefer a list of top-k items and minimizing MAE does not always result in better top-k item lists. Meanwhile, because of data sparse problem, social connections among users play an increasingly important...
Aiming at the problem that the fault feature information of the Fan bearing is often overwhelmed by the strong background noise; this paper proposes to use the Improved Mathematical Morphological Undecimated Wavelet to extract fault characteristics. M Mathematical Morphological Undecimated Wavelet has morphological filtering characteristics and wavelet decomposition of multi-resolution characteristics...
Most previous algorithms for the recognition of Action Units (AUs) were trained on a small number of sample images. This was due to the limited amount of labeled data available at the time. This meant that data-hungry deep neural networks, which have shown their potential in other computer vision problems, could not be successfully trained to detect AUs. A recent publicly available database with close...
In this paper, a vertical physical-layer network coding (VPNC) scheme based pulse amplitude modulation (PAM) for two-way relay channel (TWRC) is proposed. Different from the conventional physical layer network coding (PNC) scheme in which the relay superimposes two users' signals of the same constellation, in the proposed VPNC scheme two users transmit PAM signals with vertical constellation and the...
A fully integrated THz phase-locked loop (PLL) is proposed. It is consists of a fundamental PLL and a frequency doubler. In order to improve the oscillation frequency and reduced the phase noise, a feedback network composed of buffer amplifiers and capacitors is introduced to the voltage-controlled oscillator (VCO). The wide locking-range divider chain of PLL consists of an injection-locked frequency...
We explore the use of adaptive control for a hydraulic actuator model in an engine with variable cam timing (VCT) system. The hydraulic actuator is modeled as a Hammer-stein system with an asymmetric, uncertain input nonlinearity followed by known time delay and linear dynamics. We begin the presentation by designing a fixed-gain baseline controller, which consists of a PI controller with high robustness...
The design of a four-stage common-source (CS) 150 GHz amplifier in a 65nm technology is described. Each stage bases on the proposed technique of coupled transmission line (T-line) neutralization to achieve an improved intrinsic gain. Coupled T-line is also used for impedance matching, including both input and output, and inter stage impedance matching. Simulations show that the proposed amplifier...
Based on a 30-um-thick N-type epitaxial layer doped at 3 × 1015 cm−3, PiN diodes with etched junction termination extension (JTE) with floating guard rings (E-JFs) structure were designed and fabricated. Both the anode mesa and the JTE region were formed by ion implantation at 500°C and etching process. The measurement results show that the fabricated PiN diodes can block reverse voltage of 3.6 kV...
Large-field image stitching and 3D reconstruction are two hot topics in computer vision. Generally, only a small amount of overlapped area is required in large-field image stitching. On the other hand, cameras usually share almost the same field of view for multi-view 3D reconstruction, which guarantees enough overlapped areas to calculate 3D information of the target scene. To realize the two purposes...
This paper presents an analog baseband chain for automotive radar applications. The baseband chain consists of a fifth-order Butterworth filter with a reconfigurable bandwidth and a 3-stages programmable gain amplifier (PGA) with DC offset cancellation (DCOC). To achieve robust temperature stability, an amplifier with resistive feedback topology is employed, while temperature compensation technique...
This paper analyzes the formation energy and electronic structure of Li-N co-doped diamond by the method of the first-principles density-functional theory (DFT). We found that the Li-N co-doped diamond shows the shallow donor level mainly contributed by the N-2s states and N-2p states for the first time. Meanwhile, the doping efficiency of Li in diamond can be improved by the introduction of N atom...
This paper presents a 143GHz power amplifier using eight-path power combiner in a 65nm CMOS. The Over neutralization technique is proposed to boost the gain of a differential pair without extra penalty on power consumption. A four-stage PA achieves a maximum gain of 17.3dB at 143GHz with a 3dB bandwidth of 4GHz. Based on the eight-path power combining technology, it delivers up to 13.2dBm saturated...
A novel edge termination, referred to as etched 3-step junction termination extension with 4-space-modulated buffer trench regions (3S-4SMBT-JTE), is presented for ultrahigh voltage silicon carbide (SiC) power devices. In comparison with the traditional 3S-JTE, the 3S-4SMBT-JTE shows greatly reduced peak electric field (EF) around the corners and edges of the device, resulting in a superior breakdown...
The influence of different short circuit (SC) test conditions, including bias voltages and case temperature, on the degradation of Silicon Carbide (SiC) MOSFETs performance is investigated. Sentaurus TCAD is utilized with the trap degradation model included in the simulations to assess the density of hot holes trapped in the gate oxide during this procedure. Simulation results demonstrate that higher...
The paper presents an innovative design scheme of the removable metal-enclosed switchgear, in which the three-phase main circuits are longitudinal layout if looking from the front of the cabinet, and the main circuit is mainly composed of tubular conductors, with a linear moving disconnector on each side of the vacuum interrupter. The reasons for this design and the ways to achieve it are discussed...
In this paper, we reveal the importance and benefits of introducing second-order operations into deep neural networks. We propose a novel approach named Second-Order Response Transform (SORT), which appends element-wise product transform to the linear sum of a two-branch network module. A direct advantage of SORT is to facilitate cross-branch response propagation, so that each branch can update its...
In the field of connectomics, neuroscientists seek to identify cortical connectivity comprehensively. Neuronal boundary detection from the Electron Microscopy (EM) images is often done to assist the automatic reconstruction of neuronal circuit. But the segmentation of EM images is a challenging problem, as it requires the detector to be able to detect both filament-like thin and blob-like thick membrane,...
This paper proposes an effective electromagnetic analysis method for simulating periodic organic solar structures. The Finite Element Method (FEM) is derived to analyze the Organic Solar Cell (OSC), and the Periodic Boundary Condition (PBC) is enforced on the boundary of the OSC to model the infinite organic solar structure. So that the infinite organic solar structure can be solved by analyzing only...
The nonlinear response of silver nanoparticles filled epoxy resin composites under increasing applied voltage is investigated. The influence factors of applied high voltage on the conductivity of composites are measured by the collection of the electric current passing through the sample. With the increase of applied voltage, the composite has a nonlinear conductive characteristic. The contributing...
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