1,113 Result(s)
within
Lu**g Chen
Circuits and Systems
Electrical Engineering
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Article
Formally understanding Rust’s ownership and borrowing system at the memory level
Rust is an emergent systems programming language highlighting memory safety through its Ownership and Borrowing System (OBS). Formalizing OBS in semantics is essential in certifying Rust’s memory safety guaran...
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Article
Observer-Based Finite-Time Adaptive Fault-Tolerant Control for Nonlinear System with Unknown Time-Varying Delay
In the fault-tolerant control tasks of nonlinear systems, unmeasurable states, time delay and actuator faults are considered to be the main factors hindering effective controller design and tracking performanc...
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Article
Pattern Synthesis of Large Linear Arrays Using Nonuniformly-Spaced Subarrays
In this paper, we develop a new algorithm for pattern synthesis of large linear arrays. In our algorithm, the large linear array is divided into multiple disjoint nonuniformly-spaced subarrays and is only weig...
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Article
CST-UNet: Cross Swin Transformer Enhanced U-Net with Masked Bottleneck for Single-Channel Speech Enhancement
Speech enhancement performance has improved significantly with the introduction of deep learning models, especially methods based on the Long–Short-Term Memory architecture. However, these methods face challen...
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Article
Data-Driven Control for Linear Discrete-Time Systems with Input Saturation
In this paper, a class of linear discrete-time systems with input saturation is studied in a data-driven framework. Firstly, the input-state data are collected to represent the open-loop and closed-loop system...
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Article
High-Precision Direction of Arrival Estimation Based on LightGBM
Machine learning-based direction-of-arrival (DOA) estimation methods can have a good predictive ability even in complex scenarios. However, their estimation performance in the face of unknown data is poor beca...
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Article
Wavelet-based 3D Data Cube Denoising Using Three Scales of Dependency
In this paper, we propose a novel method for 3D data cube denoising, where the 3D data cube is corrupted by noise with spatially varying noise levels. We perform 3D dual tree complex wavelet transform (DTCWT) ...
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Article
Sliding Mode Control for Uncertain Fractional-Order Systems with Time-Varying Delays
This article investigates the asymptotic stability of fractional-order (FO) systems with uncertainty and time-varying delay based on the sliding mode control (SMC) method. First, based on the SMC method, a sui...
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Article
Advances in understanding quantum dot light-emitting diodes
Quantum dot light-emitting diodes (QD-LEDs) are attractive for display and lighting applications owing to their high colour rendering index, their low-cost solution processability and their ability to achieve ...
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Article
A Two-Phase Reference-Free Approach for Low-Light Image Enhancement
Reference-free low-light image enhancement methods only employ low-light images during training, thereby significantly alleviating the over-reliance on obtaining paired or unpaired datasets. Existing reference...
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Article
Design and Analysis of 9-mW 25.5–30.7-GHz CMOS Variable-Gain Amplifier Using Body-Floating Gain-and-Noise-Enhancement Technique
We demonstrate a low-power (Pdc) 25.5–30.7 GHz CMOS variable-gain amplifier (VGA). The VGA constitutes a common-source (CS) input stage (M1), followed by current-reused CS gain (M2) and output stages (M3). Transi...
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Article
Analog circuit diagnosis based on support vector machine with parameter optimization by improved NKCGWO
Support vector machine (SVM) is a widely used machine learning method in analog circuit fault diagnosis. However, SVM parameters such as kernel parameters and penalty parameters can seriously affect the classi...
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Article
2-D DOA Estimation Algorithm for Three-Parallel Co-prime Arrays via Spatial–Temporal Processing
In this paper, we present an underdetermined estimation algorithm for two-dimensional (2-D) direction of arrival (DOA) based on three-parallel co-prime arrays. By exploiting the correlation among the received ...
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Article
Self-Supervised Normalizing Flow for Jointing Low-Light Enhancement and Deblurring
Low-light image enhancement algorithms have been widely developed. Nevertheless, using long exposure under low-light conditions will lead to motion blurs of the captured images, which presents a challenge to a...
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Article
Periodic Signal Recovery and Detection from 1-Bit Measurements Using Convolutional Neural Network
In order to lower the hardware requirements of digital systems and to reduce the amount of collected data, 1-Bit sampling technique has received much attention. Following the trend, in this paper we try to add...
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Article
Design and Implementation of a Wide-Swing CMOS Multiplier for AC Source Signal Tracking and Modulation
The multiplier is a pervasive critical component today. However, most of them are difficult to be integrated into an integrated circuit. In this study, we proposed a novel analog multiplier for AC power applic...
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Article
Non-Fragile Distributed Fault Detection for Nonlinear Delayed Markov Jump Systems Under Weighted Try-Once-Discard Protocol
In this paper, the non-fragile distributed fault detection (FD) problem is discussed for delayed Markov jump systems over sensor networks under the weighted try-once-discard protocol, where the randomly switch...
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Article
NL-CS Net: Deep Learning with Non-local Prior for Image Compressive Sensing
Deep learning has been applied to compressive sensing (CS) of images successfully in recent years. However, existing network-based methods are often trained as the black box, in which the lack of prior knowled...
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Article
The Application of the Accelerated Proximal Gradient Descent Algorithm for the Solution of the Weighted Schatten-p Norm in Sparse Noise Extraction
In this study, we introduce the weighted Schatten-p norm optimization robust principal component analysis model, transforming the nuclear norm into a combination of the Schatten-p norm and the weighted nuclear...
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Article
A Highly Linear, Low Power, Highly Efficient, CMOS Wideband Power Amplifier for 2–5 GHz Wireless Communications
This paper presents a detailed design of a broadband power amplifier (PA) utilizing 0.18-μm CMOS technology, operating in the frequency range of 2–5 GHz. This ultra-wideband (UWB) power amplifier uses a cascod...
