Dong Chen
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View article: Heterodyne-like feedforward partitioned-displacement hybrid receiver for QPSK coherent state discrimination with realistic photon-number-resolving detectors
Heterodyne-like feedforward partitioned-displacement hybrid receiver for QPSK coherent state discrimination with realistic photon-number-resolving detectors Open
This paper proposes a hybrid receiver, the heterodyne-like feedforward partitioned-displacement hybrid (HFPH) receiver, for discriminating quadrature phase-shift keying (QPSK) coherent states using photon-number-resolving (PNR) detectors. …
View article: Toward Practical Quantum Encryption in Phase Space: Simulated QPSK and 16-QAM with Dynamic Displacement Operators
Toward Practical Quantum Encryption in Phase Space: Simulated QPSK and 16-QAM with Dynamic Displacement Operators Open
We propose and simulate a quantum-enhanced encryption scheme for coherentoptical communication systems based on coherent-state dynamic displacementoperators (DDOs) in phase space. The method integrates random phase shiftoperators (PSOs) an…
View article: Exploration on the Construction of Wisdom Classroom for Biological Science Majors
Exploration on the Construction of Wisdom Classroom for Biological Science Majors Open
With the advancement of education information technology, smart classrooms, as a new teaching mode, have been paid more and more attention in college teaching. This paper focuses on the teaching characteristics of biological science majors…
View article: A High‐Order Hybrid‐Spectral Incompressible Navier–Stokes Model for Non‐Linear Water Waves
A High‐Order Hybrid‐Spectral Incompressible Navier–Stokes Model for Non‐Linear Water Waves Open
We present a new high‐order accurate computational fluid dynamics model based on the incompressible Navier–Stokes equations with a free surface for the accurate simulation of non‐linear and dispersive water waves in the time domain. The sp…
View article: State-of-Charge Estimation of Lithium-Ion Battery Based on Adaptive Extended Kalman Filter Algorithm Improved by System Innovation Detection
State-of-Charge Estimation of Lithium-Ion Battery Based on Adaptive Extended Kalman Filter Algorithm Improved by System Innovation Detection Open
The State of Charge (SoC) of an electric vehicle plays a crucial role in its performance. SOC can be used to accurately formulate an electric vehicle charge control strategy, which can improve the vehicle’s endurance, reliability, and cost…
View article: A Multi-Mode Replenishment Method Based on GSLPSO for Emergency Repair Power Supply
A Multi-Mode Replenishment Method Based on GSLPSO for Emergency Repair Power Supply Open
In the power system, emergency repair power supplies (ERPS) play a vital role in the face of grid failures, natural disasters or other emergencies. ERPS can quickly provide power support for the rapid restoration of the grid, and quick res…
View article: Reverb: Open-Source ASR and Diarization from Rev
Reverb: Open-Source ASR and Diarization from Rev Open
Today, we are open-sourcing our core speech recognition and diarization models for non-commercial use. We are releasing both a full production pipeline for developers as well as pared-down research models for experimentation. Rev hopes tha…
View article: A synthesized field survey database of vegetation and active-layer properties for the Alaskan tundra (1972–2020)
A synthesized field survey database of vegetation and active-layer properties for the Alaskan tundra (1972–2020) Open
Studies in recent decades have shown strong evidence of physical and biological changes in the Arctic tundra, largely in response to rapid rates of warming. Given the important implications of these changes for ecosystem services, hydrolog…
View article: Exploration of the Integration of Immersive Media Technology into Ideological and Political Education Courses in Colleges and Universities
Exploration of the Integration of Immersive Media Technology into Ideological and Political Education Courses in Colleges and Universities Open
Currently, the teaching of ideological and political courses in colleges and universities faces some problems and challenges. On the one hand, the traditional teaching methods of ideological and political courses are single and lack innova…
View article: Emerging Risk to Dengue in Asian Metropolitan Areas Under Global Warming
Emerging Risk to Dengue in Asian Metropolitan Areas Under Global Warming Open
Aedes sp. mosquitoes are changing their geographic range in response to climate change. This is of concern because these mosquitoes can carry dengue fever and other viral diseases. Changing weather patterns can also increase the numbers of…
View article: A High-Order Hybrid-Spectral Incompressible Navier-Stokes Model For Nonlinear Water Waves
A High-Order Hybrid-Spectral Incompressible Navier-Stokes Model For Nonlinear Water Waves Open
We present a new high-order accurate computational fluid dynamics model based on the incompressible Navier-Stokes equations with a free surface for the accurate simulation of nonlinear and dispersive water waves in the time domain. The spa…
View article: Idiopathic cardiac ossification with Chiari mesh in the right atrium: a case report and literature review
Idiopathic cardiac ossification with Chiari mesh in the right atrium: a case report and literature review Open
Idiopathic cardiac osseous metaplasia is relatively rare, and it is even rarer to be accompanied by a Chiari network in the right atrium. Due to the location and characteristics of the lesion in this case, it is easy to be misdiagnosed as …
View article: Conservation and development of the historic garden in a landscape context: A systematic literature review
Conservation and development of the historic garden in a landscape context: A systematic literature review Open
Although there have been numerous studies on the heritage attributes, characteristics, and values of the historic garden as a special category of cultural heritage, the question is why a comprehensive review combining mainstream historic g…
View article: Penalized Semiparametric Estimation for Causal Inference with Possibly Invalid Instruments
Penalized Semiparametric Estimation for Causal Inference with Possibly Invalid Instruments Open
S ummary Inferring causal effects with unmeasured confounder is a main challenge in causal inference. Many researchers impose parametric assumptions on the distribution of unmeasured confounder. However, due to the unobservable nature of t…
View article: Impact of circumpolar deep water on organic carbon isotopes and ice-rafted debris in West Antarctic: a case study in the Amundsen Sea
Impact of circumpolar deep water on organic carbon isotopes and ice-rafted debris in West Antarctic: a case study in the Amundsen Sea Open
This research delves into the interaction between carbon isotopes, ice-rafted debris (IRD), and Circumpolar Deep Water (CDW) in the Amundsen Sea, West Antarctic. Utilizing sediment core ANT36-A11-04, we traced the source of the organic mat…
View article: Comment on essd-2023-222
Comment on essd-2023-222 Open
Abstract. Studies in recent decades show strong evidence of physical and biological changes in the Arctic tundra largely in response to exceptionally rapid rates of warming. Given the important implications of these changes on ecosystem se…
View article: A synthesized field survey database of vegetation and active layer properties for the Alaskan tundra (1972–2020)
A synthesized field survey database of vegetation and active layer properties for the Alaskan tundra (1972–2020) Open
Studies in recent decades show strong evidence of physical and biological changes in the Arctic tundra largely in response to exceptionally rapid rates of warming. Given the important implications of these changes on ecosystem services, hy…
View article: Comparison of deforestation and forest land use factors for malaria elimination in Myanmar
Comparison of deforestation and forest land use factors for malaria elimination in Myanmar Open
Malaria prevention methods in Myanmar should focus on anyone who lives near forests or engages in land use activities that bring them within proximity of forested landscapes, whether through occupation or chores.
View article: Riemannian Anosov extension and applications
Riemannian Anosov extension and applications Open
Let be a Riemannian manifold with strictly convex spherical boundary. Assuming absence of conjugate points and that the trapped set is hyperbolic, we show that can be isometrically embedded into a closed Riemannian manifold with Anosov g…
View article: Integral inequalities of Hermite-Hadamard type via $ q-h $ integrals
Integral inequalities of Hermite-Hadamard type via $ q-h $ integrals Open
The well-known Hermite-Hadamard inequality for convex functions is extensively studied for different kinds of integrals and derivatives. This paper investigates some of its variants for $ q-h $-integrals using properties of convex function…
View article: Intelligent Grading of Tobacco Leaves Using an Improved Bilinear Convolutional Neural Network
Intelligent Grading of Tobacco Leaves Using an Improved Bilinear Convolutional Neural Network Open
At present, tobacco leaf grading relies mainly on manual classification, which is highly intensive with respect to labor, materials, and cost; in addition, the performance of manual grading is poor. The realization of automatic grading is …
View article: Patterns and the determinants of zooplankton community stability in different regions of Lake Dianchi, Yunnan Province, China
Patterns and the determinants of zooplankton community stability in different regions of Lake Dianchi, Yunnan Province, China Open
为了揭示滇池不同湖区浮游动物群落稳定性及其驱动因子,于2020年对滇池草海、大泊口、外海3个具有一定空间分隔的区域,按季度进行4次采样调查。结果表明,大泊口区域的溶解氧、透明度指标显著高于外海,总氮、总磷、悬浮物、叶绿素a和化学需氧量等指标浓度显著低于外海,草海理化因子浓度介于大泊口与外海之间。研究期间3个区域共鉴定出浮游动物41属(枝角类12属、桡足类8属、轮虫21属),轮虫种类和密度均占较大比例。浮游动物年平均密度大泊口(7771.3 ind./L)>草海(2901.1…
View article: Inequalities of the Ostrowski Type Associated with Fractional Integral Operators Containing the Mittag–Leffler Function
Inequalities of the Ostrowski Type Associated with Fractional Integral Operators Containing the Mittag–Leffler Function Open
Integral operators with the Mittag–Leffler function in kernels play a very vital role in generalizing classical integral inequalities. This paper aims to derive Ostrowski-type inequalities for k-fractional integrals containing Mittag–Leffl…
View article: Disturbances in North American boreal forest and Arctic tundra: impacts, interactions, and responses
Disturbances in North American boreal forest and Arctic tundra: impacts, interactions, and responses Open
Ecosystems in the North American Arctic-Boreal Zone (ABZ) experience a diverse set of disturbances associated with wildfire, permafrost dynamics, geomorphic processes, insect outbreaks and pathogens, extreme weather events, and human activ…
View article: A remark on the phase transition for the geodesic flow of a rank one surface of nonpositive curvature
A remark on the phase transition for the geodesic flow of a rank one surface of nonpositive curvature Open
For any rank 1 nonpositively curved surface $M$, it was proved by Burns-Climenhaga-Fisher-Thompson that for any $q<1$, there exists a unique equilibrium state $μ_q$ for $qφ^u$, where $φ^u$ is the geometric potential. We show that as $q\to …