A5023485894- Pulsars and Gravitational Waves Research
- Radio Astronomy Observations and Technology
- Advanced Computational Techniques and Applications
- Advanced Authentication Protocols Security
- Network Security and Intrusion Detection
- Geophysics and Gravity Measurements
- Gamma-ray bursts and supernovae
- Metabolomics and Mass Spectrometry Studies
- User Authentication and Security Systems
- Access Control and Trust
- Mobile Agent-Based Network Management
- Microbial Metabolic Engineering and Bioproduction
- Advanced Sensor and Control Systems
- Service-Oriented Architecture and Web Services
- Educational Technology and Assessment
- Advanced Algorithms and Applications
- Digital Rights Management and Security
- Network Packet Processing and Optimization
- Bioinformatics and Genomic Networks
- Advanced Decision-Making Techniques
- Robotics and Automated Systems
- Security in Wireless Sensor Networks
- IPv6, Mobility, Handover, Networks, Security
- Mobile Ad Hoc Networks
- Anomaly Detection Techniques and Applications
Guizhou Normal University
2014-2024
Dalian Minzu University
2024
Huazhong University of Science and Technology
2024
Qilu Hospital of Shandong University
2024
Jiaying University
2024
Guizhou University
2004-2022
Chinese Academy of Sciences
2019-2020
Anhui Agricultural University
2019
Foundation for the Advancement of Social Theory
2019
University of Manchester
2011
Machine learning algorithms are widely utilized in cybersecurity. However, recent studies show that machine vulnerable to adversarial examples. This poses new threats the security-critical applications Currently, there is still a short of study on examples domain In this paper, we propose method known as brute-force attack better evaluate robustness classifiers cybersecurity against The proposed method, which works black-box way and covers some shortages existing methods based generative...
Abstract We report the timing analysis of PSR J1846−0513, a pulsar discovered by Five-hundred-meter Aperture Spherical radio Telescope (FAST) in Commensal Radio Astronomy FAST Survey. The possesses spin period 23.36 ms and spin-down rate ( <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:mover accent="true"> <mml:mrow> <mml:mi>P</mml:mi> </mml:mrow> <mml:mo>̇</mml:mo> </mml:mover> </mml:math> ) 1.0106(3) × 10 −18 s −1 , it is located an eccentric orbit e...
The Central Carbon Metabolic Flux Database (CeCaFDB, available at http://www.cecafdb.org) is a manually curated, multipurpose and open-access database for the documentation, visualization comparative analysis of quantitative flux results central carbon metabolism among microbes animal cells. It encompasses records more than 500 distributions 36 organisms includes information regarding genotype, culture medium, growth conditions other specific gathered from hundreds journal articles. In...
Abstract We describe PSR J1926−0652, a pulsar recently discovered with the Five-hundred-meter Aperture Spherical radio Telescope (FAST). Using sensitive single-pulse detections from FAST and long-term timing observations Parkes 64 m telescope, we probed phenomena on both long short timescales. The covered wide frequency range 270 to 800 MHz, enabling individual pulses be studied in detail. exhibits at least four profile components, short-term nulling lasting 4 450 pulses, complex subpulse...
We report the follow-up of 10 pulsars discovered by Five-hundred-meter Aperture Spherical radio-Telescope (FAST) during its commissioning. The were at a frequency 500-MHz using ultra-wide-band (UWB) receiver in drift-scan mode, as part Commensal Radio Astronomy FAST Survey (CRAFTS). carried out timing campaign with 100-m Effelsberg radio-telescope L-band around 1.36 GHz. Along 11 previously reported, seems to be uncovering population older pulsars, bordering and/or even across pulsar...
Security protocols are the basis of security in networks. Therefore, it is essential to ensure that these function correctly. However, difficult design immune malicious attack, since good analysis techniques lacking. In this paper, current main using Colored Petri Nets (CP-Nets) for introduced. Based on techniques, a new method CP-Nets presented. Specially, method, an intruder CP-Net model presented provides open-ended base integration multiple attack tactics. This viable approach overcome...
ABSTRACT We report the phase-connected timing ephemeris, polarization pulse profiles, Faraday rotation measurements, and Rotating-Vector-Model (RVM) fitting results of 12 millisecond pulsars (MSPs) discovered with Five-hundred-meter Aperture Spherical radio Telescope (FAST) in Commensal Radio Astronomy FAST survey (CRAFTS). The campaigns were carried out Arecibo over 3 yr. 11 are neutron star–white dwarf binary systems, orbital periods between 2.4 100 d. 10 them have spin periods, companion...
This paper introduces the research of cognitive engine and application artificial intelligence techniques in radio. The limitation CR based on GA is analyzed, propose for improvement proposed. decision maker should consider both changeable factors unchangeable such as cost, bandwidth, signal rate ARQ. Based Neural Network, method evaluating learning best Several key architectural issues radio Network are discussed, including knowledge base information model design.
ABSTRACT The follow-up timing observations were carried out for 24 pulsars discovered with the Five-hundred-meter Aperture Spherical radio Telescope (FAST) in Commensal Radio Astronomy FAST Survey. We report their phase-connected ephemeris, polarization pulse profiles, and Faraday rotation measurements. With spin periods spanning from 2.995 ms to 4.34 s, period derivatives determined spread between 7.996(8) × 10−21 9.83(3) 10−15 s s−1, which imply that they have characteristic ages 1.97 106...
Abstract PSR J2150+3427 is a 0.654 s pulsar discovered by the Commensal Radio Astronomy FAST Survey. From follow-up observations, we find that in highly eccentric orbit ( e = 0.601) with an orbital period of 10.592 days and projected semimajor axis 25.488 lt-s. Using 2.7 yr timing data, also measured rate periastron advance <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:mover accent="true"> <mml:mrow> <mml:mi>ω</mml:mi> </mml:mrow> <mml:mo>̇</mml:mo>...
Abstract Biological network alignment aims to discover important similarities and differences thus find a mapping between topological and/or functional components of different biological molecular networks. Then, the mapped can be considered correspond both their places in topology attributes. Development evolution methods has been accelerated by rapidly increasing availability such networks, yielding repertoire tens based upon graph theory. However, most processes, especially metabolic...
Abstract We present Arecibo 327 MHz confirmation and follow-up studies of seven new pulsars discovered by the Five-hundred-meter Aperture Spherical radio Telescope (FAST). These are in a pilot program Commensal Radio Astronomy FAST Survey (CRAFTS) with ultra-wide-bandwidth commissioning receiver. Five them normal two extreme nulling slow pulsars. PSR J2111+2132’s dispersion measure(DM: 78.5 pc cm −3 ) is above upper limits Galactic free electron density models, NE2001 YMW16, J2057+2133’s...
The online shopping is increasingly being accepted Internet users, which reflects the convenient, fast, efficient and economic advantage. Online shopping, personal information security a major problem in Internet. This article summarizes characteristics of current development main safety problems, make related measures transactions.
Web GIS has become an indispensable tool for managing, analyzing and decision making by seamlessly combining both spatial non-spatial data. Open-source software the advantages of low cost, high stability security. So it been chosen small medium-sized project. A complete stack building solutions can include a client-server application framework, mapping engine supporting cartographic rendering functionality basic capabilities, data storage solutions, additional tools extending or enhancing...
Summary In an agnostic space environment, aerial person re‐identification (Re‐ID) is a task that the query may not occur in gallery set, it considered subordinate within domain of open‐world Re‐ID, and more challenging practical application research. The images, captured by unmanned vehicles, present significant challenges such as weak appearance features, fewer individual samples occlusion due to variations camera height viewing angles compared ground‐level images. Most state‐of‐the‐arts...
Abstract The escalating global volume of digital data poses a critical challenge for storage solutions. Optical techniques have garnered lots interests due to their excellent offline capabilities, including low energy consumption, high capacity, and long lifespan. However, despite the focus on recording, minimal attention has been dedicated readout aspect. This study introduced femtosecond laser direct writing perform multi-dimensional optical employed specialized convolutional neural...
Abstract We present phase-connected timing ephemerides, polarization pulse profiles, and Faraday rotation measurements of 12 pulsars discovered by the Five-hundred-meter Aperture Spherical radio Telescope (FAST) in Commensal Radio Astronomy FAST Survey. The observational data for each pulsar span at least 1 yr. Among them, PSR J1840+2843 shows subpulse drifting, five are detected to exhibit nulling phenomena. J0640−0139 J2031−1254 isolated millisecond (MSPs) with stable spin-down rates (...
We report the discovery of a highly dispersed fast radio burst, FRB~181123, from an analysis $\sim$1500~hr drift-scan survey data taken using Five-hundred-meter Aperture Spherical Telescope (FAST). The pulse has three distinct emission components, which vary with frequency across our 1.0--1.5~GHz observing band. measure peak flux density to be $>0.065$~Jy and corresponding fluence $>0.2$~Jy~ms. Based on observed dispersion 1812~cm$^{-3}$~pc, we infer redshift $\sim 1.9$. From this, estimate...
Abstract We report the observations of periodic nulling in PSR B2111+46 at 1250 MHz with Five-hundred-meter Aperture Spherical radio Telescope (FAST). The fractions (NF) as well period this pulsar were calculated. NF and are 17% ± 1% 62.49 0.99 P 1 , respectively, shows variations periodicity time. durations each consecutive burst investigated, which show that power-law distribution indices −1.11 0.04 −2.08 0.23. In observed frequency band, width profile is narrowed increase frequency,...