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Medium

Medium是一個輕量級內容發行的平臺，允許單一用戶或多人協作，將自己創作的內容以主題的形式結集為專輯（Collection），分享給用戶進行消費和閱讀。

IEEE 802.11e-2005, IEEE Standard for Information technology—Telecommunications and information excha

IEEE 802.11e-2005, IEEE Standard for Information technology—Telecommunications and information exchange between systems—Local and metropolitan area networks—Specific requirements Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications: Amendment 8: Medium Access Control (MAC) Quality of Service Enhancements

標簽： Telecommunications IEEE Information information

上傳時間： 2016-10-02

上傳用戶：rishian
IEEE 802.11g-2003 IEEE Standard for Information technology—Telecommunications and information exchan

IEEE 802.11g-2003 IEEE Standard for Information technology—Telecommunications and information exchange between systems—Local and metropolitan area networks—Specific requirements—Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications—Amendment 4: Further Higher-Speed Physical Layer Extension in the 2.4 GHz Band

標簽： Telecommunications IEEE Information information

上傳時間： 2016-10-02

上傳用戶：cx111111
IEEE 802.11h-2003 IEEE Standard for Information technology—Telecommunications and Information Exchan

IEEE 802.11h-2003 IEEE Standard for Information technology—Telecommunications and Information Exchange Between Systems—LAN/MAN Specific Requirements—Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications: Spectrum and Transmit Power Management Extensions in the 5GHz band in Europe

標簽： Information Telecommunications IEEE technology

上傳時間： 2016-10-02

上傳用戶：lnnn30
IEEE 802.11i-2004 Amendment to IEEE Std 802.11, 1999 Edition (Reaff 2003). IEEE Standard for Informa

IEEE 802.11i-2004 Amendment to IEEE Std 802.11, 1999 Edition (Reaff 2003). IEEE Standard for Information technology--Telecommunications and information exchange between system--Local and metropolitan area networks?Specific requirements--Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications--Amendment 6: Medium Access Control (MAC) Security Enhancements

標簽： IEEE 802.11 Amendment Standard

上傳時間： 2013-12-21

上傳用戶：ywqaxiwang
IEEE 802.11j-2004 IEEE Standard for Information technology—Telecommunications and information exchan

IEEE 802.11j-2004 IEEE Standard for Information technology—Telecommunications and information exchange between systems--Local and metropolitan area networks—Specific requirements—Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications—Amendment 7: 4.9 GHz–5 GHz Operation in Japan

標簽： Telecommunications IEEE Information information

上傳時間： 2014-01-17

上傳用戶：asasasas
IEEE 802.16e-2005 IEEE Standard for Local and metropolitan area networks Part 16: Air Interface for

IEEE 802.16e-2005 IEEE Standard for Local and metropolitan area networks Part 16: Air Interface for Fixed and Mobile Broadband Wireless Access Systems Amendment for Physical and Medium Access Control Layers for Combined Fixed and Mobile Operation in Licensed Bands.

標簽： IEEE metropolitan Interface for

上傳時間： 2016-10-02

上傳用戶：litianchu
ABC_FDTD_Die(T) Implements simulation of a Gaussian Pulse over T time steps. ABC are for free spac

ABC_FDTD_Die(T) Implements simulation of a Gaussian Pulse over T time steps. ABC are for free space. If boundaries are in the Dielectric Medium then the ABC fail. Dielectric Medium begin and end can be specified with the code

標簽： ABC_FDTD_Die Implements simulation Gaussian

上傳時間： 2013-12-22

上傳用戶：caiiicc
ABC_FDTD_Die(T) Implements simulation of a Gaussian Pulse over T time steps. ABC are for free spac

ABC_FDTD_Die(T) Implements simulation of a Gaussian Pulse over T time steps. ABC are for free space. If boundaries are in the Dielectric Medium then the ABC fail. Dielectric Medium begin and end can be specified with the code

標簽： ABC_FDTD_Die Implements simulation Gaussian

上傳時間： 2014-07-27

上傳用戶：LIKE
with serial bus (Universal Serial Bus) is used to apply USB peripherals connected to the mainframe e

with serial bus (Universal Serial Bus) is used to apply USB peripherals connected to the mainframe external bus structure, it is mainly used in Medium-speed and low-speed peripherals

標簽： peripherals Universal connected mainframe

上傳時間： 2017-02-27

上傳用戶：lixinxiang
It was proposed that perfect invisibility cloaks can be constructed for hiding objects from electrom

It was proposed that perfect invisibility cloaks can be constructed for hiding objects from electromagnetic illumination (Pendry et al., Science 312, p. 1780). The cylindrical cloaks experimentally demonstrated (Schurig et al., Science 314, p. 997) and theoretically proposed (Cai et al., Nat. Photon. 1, p. 224) have however simplified material parameters in order to facilitate easier realization as well as to avoid infinities in optical constants. Here we show that the cylindrical cloaks with simplified material parameters inherently allow the zeroth-order cylindrical wave to pass through the cloak as if the cloak is made of a homogeneous isotropic Medium, and thus visible. To all high-order cylindrical waves, our numerical simulation suggests that the simplified cloak inherits some properties of the ideal cloak, but finite scatterings exist.

標簽： invisibility constructed proposed electrom

上傳時間： 2013-12-18

上傳用戶：13215175592