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Wyszukujesz frazę "Jiang, J.-H." wg kryterium: Autor

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    Wyświetlanie 1-7 z 7
    Tytuł:
    Probability of Secrecy Outage in Cognitive Radio Networks over Rician-Fading Channels
    Autorzy:
    Zhang, J.
    Jiang, H.
    Pan, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/226243.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    cognitive radio networks
    wiretap
    Rician fading
    secrecy outage probability
    probability of non-zero secrecy capacity
    Opis:
    In Rician-fading scenario, cognitive radio networks (CRNs) with a source in a secondary system transmitting its confidential information to a legitimate destination in the presence of an eavesdropper, are considered in this paper. Under CRNs, the interference power reaching at primary user (PU) is limited by some pre-defined threshold. Secrecy outage not only occurs when the achievable secrecy capacity for source-destination link is smaller than a target rate, but also occurs in the case that the interference power at PU is greater than that threshold. Analytical expression for secrecy outage probability has been derived and verified with simulation results. In addition, we have also derived the analytical expression for probability of non-zero secrecy capacity.
    Źródło:
    International Journal of Electronics and Telecommunications; 2016, 62, 2; 153-158
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis and Optimization of Micro Speaker-Box Using a Passive Radiator in Portable Device
    Autorzy:
    Jiang, Y.-W.
    Kwon, J.-H.
    Kim, H.-K.
    Hwang, S.-M.
    Powiązania:
    https://bibliotekanauki.pl/articles/176530.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    passive radiator
    speaker box
    SPL improvement
    Sound Pressure Level
    Opis:
    With the rapid development of multimedia devices such as smart phones and tablet PCs, microspeakers have been recently increasingly used for audio equipment. Improving the acoustic performance of a microspeaker is always a main concern, especially in the low frequency range. To avoid sound cancelation, a microspeaker unit is usually inserted into a speaker box. A passive radiator is also used in speaker boxes to improve the sound performance in the loudspeaker system. However, passive radiators have not been applied into microspeaker system. In this study, a speaker box with a passive radiator was analyzed and optimized to achieve a higher Sound Pressure Level (SPL) in a microspeaker system. The Finite Element Method (FEM), two-degree-of-freedom (DOF) vibration theory, and a plane circular piston sound source were used to study the electromagnetic, vibration, and acoustic characteristics, respectively. Optimization was conducted by changing the mass, stiffness, and size of the passive radiator. Based on the optimized parameters, a new sample was manufactured. The experiment results show that the SPL of the optimized speaker box with a passive radiator is improved by 5 dB at 200 Hz compared with the one without a radiator. The analysis results also matched the experiment results.
    Źródło:
    Archives of Acoustics; 2017, 42, 4; 753-760
    0137-5075
    Pojawia się w:
    Archives of Acoustics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Thermal Mechanical Stress Analysis of Ladle Lining with Integral Brick Joint
    Autorzy:
    Chang, W.
    Li, G.
    Kong, J.
    Sun, Y.
    Jiang, G.
    Liu, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/354915.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    ladle
    heat transfer model
    lining
    expansion joint
    thermal mechanical stress
    Opis:
    Based on the theory of heat transfer, the influence of expansion joints on the temperature and stress distribution of ladle lining is discussed. In view of the current expansion joint, the mathematical model of heat transfer and the three dimensional finite element model of ladle lining brick are established. By analyzing the temperature and stress distribution of ladle lining brick when the expansion joints are in different sizes, the thermal mechanical stress caused by the severe temperature difference can be reduced by the suitable expansion joint of the lining brick during the ladle baking and working process. The analysis results showed that the thermal mechanical stress which is caused by thermal expansion can be released through the 2 mm expansion joint, which is set in the building process. So we can effectively reduce the thermal mechanical stress of the ladle lining, and there is no risk of steel leakage, thus the service life of ladle can be effectively prolonged.
    Źródło:
    Archives of Metallurgy and Materials; 2018, 63, 2; 659-666
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The expression profile of miR-222b-5p/MAPK10 in spleens of SPF chickens infected with REV-SNV at 28-42 dpi
    Autorzy:
    Jiang, H.
    Gao, S.
    Mao, M.
    Diao, Y.
    Tang, Y.
    Hu, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087117.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    reticuloendotheliosis virus strain SNV
    RLRs signaling pathway
    gga-miR-222b-5p
    mitogen-activated protein kinase 10
    a dual-luciferase reporter gene experiment
    Źródło:
    Polish Journal of Veterinary Sciences; 2021, 24, 3; 439-443
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Laboratory investigation of self-healing properties on geosynthetic clay liners with flaw
    Autorzy:
    Zhang, G.-W.
    Zhang, H.-Y.
    Wang, J.-F.
    Zhou, L.
    Liu, P.
    Jiang, X.
    Powiązania:
    https://bibliotekanauki.pl/articles/204652.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    landfills
    geosynthetic clay liner
    self healing
    hydraulic conductivity
    Opis:
    The objective of this paper is to evaluate the self- healing properties of a commercially-available geosynthetic clay liner (GCL) using flexible-wall permeameter. The GCLs are produced by the same factory, but the contents of bentonite are different. Also the hydraulic conductivities (HC) of GCLs with no defect are different. In this study, specimens were completely saturated under the backpressure of 20 kPa before the test. Permeability tests were performed on GCL specimens with penet rating flaw and also on specimens permeated with distilled water and CaCl2 solutions. The test results were presented and discussed. Experimental results showed that the GCL with penetrating flaw did not exhibit complete self-healing in the case of flaw. After 120 days, the hydraulic conductivity increased by approximately an order of magnitude. In addition, CaCl2 solutions had a significant influence on the hydraulic conductivity. The research findings might be of interest to researchers and engineers who design liners for landfills and other liquid containment facilities.
    Źródło:
    Archives of Environmental Protection; 2015, 41, 1; 53-58
    2083-4772
    2083-4810
    Pojawia się w:
    Archives of Environmental Protection
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Bacterial communities in PM2.5 and PM10 in broiler houses at different broiler growth stages in spring
    Autorzy:
    Zhang, J.
    Li, Y.
    Xu, E.
    Jiang, L.
    Tang, J.
    Li, M.
    Zhao, X.
    Chen, G.
    Zhu, H.
    Yu, X.
    Zhang, X.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087465.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    bacterial communities
    broilers
    high-throughput sequencing
    particulate matter
    Źródło:
    Polish Journal of Veterinary Sciences; 2019, 3; 495-504
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Development and application of isothermal amplification methods for rapid detection of F4 fimbriae producing Escherichia coli
    Autorzy:
    Zhao, L.Y.
    Niu, J.H.
    Gao, X.L.
    Liu, C.N.
    Liu, S.M.
    Jiang, N.
    Lv, X.P.
    Zheng, S.M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087340.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Escherichia coli
    F4 fimbriae
    isothermal amplification
    rapid detection
    clinical samples
    Źródło:
    Polish Journal of Veterinary Sciences; 2020, 23, 1; 143-152
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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