A Design of Broadband Circularly Polarized C-Shaped Slot Antenna With Sword-Shaped Radiator and Its Array for L/S-Band Applications
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DOI: 10.1109/access.2017.2788008
Abstract: In this paper, a novel wideband circularly polarized (CP) slot antenna and its array are presented. The antenna element consists of a C-shaped slot and a 50- $\Omega $ microstrip-fed port to achieve left-hand circular… read more here.
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Densitometric Radiographic Imaging With Contour Sensors
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DOI: 10.1109/access.2019.2895925
Abstract: We present the technical/physical foundations of a new imaging technique that combines ordinary radiographic information (generated by conventional X-ray settings) with the patient’s volume to derive densitometric images. Traditionally, these images provide quantitative information about… read more here.
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Role of Contrast-Enhanced Ultrasound Sonography in the Medical Diagnostics of the Disease Activity in Patients With Takayasu Arteritis
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DOI: 10.1109/access.2019.2896386
Abstract: The accurate diagnosis of Takayasu arteritis (TA) and the evaluation of its activity can bring significant challenges. In this paper, we sought to investigate a correlation between clinical activity and the enhancement of vessel wall… read more here.
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New QAM Complementary Sequences for Control of Peak Envelope Power of OFDM Signals
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DOI: 10.1109/access.2019.2926418
Abstract: By developing new mathematical descriptions of $4^{q}$ (integer $q\ge 2$ ) quadrature amplitude modulation (QAM) constellation, a novel construction producing $4^{q}$ -QAM complementary sequences (CSs) of length $2^{m}$ (integer $m\ge 2$ ) is presented. The… read more here.
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Forensic Detection Using Bit-Planes Slicing of Median Filtering Image
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DOI: 10.1109/access.2019.2927540
Abstract: For the detection of median filtering (MF) forensics, this paper proposes the feature vector extracted from the bit-planes slicing of the forged image. The assembled feature vector is trained in a support vector machine (SVM)… read more here.
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Fast Implementation of LSH With SIMD
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DOI: 10.1109/access.2019.2932129
Abstract: In this paper, we propose a method of efficient software implementation for the cryptographic hash function LSH with single instruction multiple data (SIMD). The method is based on word-wise permutations of LSH. Using the modified… read more here.
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Detecting Spatiotemporal Dynamic of Regional Electric Consumption Using NPP-VIIRS Nighttime Stable Light Data–A Case Study of Xi’an, China
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DOI: 10.1109/access.2020.3025013
Abstract: The available statistics on electric consumption (EC) can hardly show the spatial heterogeneity within political boundaries, and the previous studies paid few attention on the relations between EC and urban planning. The present study developed… read more here.
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Cavity-Backed Patch Filtenna for Harmonic Suppression
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DOI: 10.1109/access.2020.3043320
Abstract: A co-design consisting of a filtering antenna integrating a cavity-backed patch antenna and a low-pass coaxial filter is proposed for size reduction of the RF front-end. The cavity-backed patch antenna is developed to exhibit a… read more here.
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Laser Speckle Integrated Multispectral Imaging System for In-Vivo Assessment of Diabetic Foot Ulcer Healing: A Clinical Study
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DOI: 10.1109/access.2021.3055221
Abstract: The high prevalence of the world’s population diagnosed with diabetes mellitus, with a significant number suffering from diabetic foot ulcer (DFU), has always been a global concern over the years. The rapid rise of this… read more here.
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Demonstration of MOCVD-Grown Long-Wavelength Infrared InAs/GaSb Superlattice Focal Plane Array
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DOI: 10.1109/access.2021.3072845
Abstract: High-performance InAs/GaSb type-II superlattice infrared detectors and focal plane arrays (FPAs) are normally grown by molecular beam epitaxy (MBE). In this work, we demonstrate the first long-wavelength infrared InAs/GaSb superlattice FPA grown by metalorganic chemical… read more here.
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DNN-Based H∞ Control Scheme of Nonlinear Time-Varying Dynamic Systems With External Disturbance and its Application to UAV Tracking Design
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DOI: 10.1109/access.2021.3078122
Abstract: The main difficulty in the traditional nonlinear $H_{\infty }$ control design lies in how to solve the nonlinear partial differential Hamilton-Jacobi-Isaacs equation (HJIE), especially for nonlinear time-varying systems. In this study, a novel HJIE-embedded DNN… read more here.
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