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    • 1. 发明授权
    • Method and system for localization
    • 本地化方法和系统
    • US08880105B2
    • 2014-11-04
    • US13339777
    • 2011-12-29
    • James AweyaNayef AlsindiKin Poon
    • James AweyaNayef AlsindiKin Poon
    • H04W24/00
    • G01S5/0252
    • This invention relates to methods and devices for entropy-based location fingerprinting, in particular for use over wireless local-area networks (WLANs). The invention has particular application in localization for indoor environments. In embodiments of the invention, an entropy-based fingerprint is determined at a number of predetermined locations within the desired area of localization during an off-line phase and subsequently used in an on-line mode to determine the location of a receiver. In particular embodiments, the fingerprint is a vector of entropy estimates of the channel transfer function (CTF) between a mobile terminal and all access points within coverage. The invention seeks to provide a fingerprinting localization solution that has a simplicity of structure, leading to advantages in storage and pattern recognition requirements, and robustness by proving a unique measure of information that is related to the channel experienced at the location of the mobile terminal.
    • 本发明涉及用于基于熵的位置指纹的方法和装置,特别是用于无线局域网(WLAN)上。 本发明在室内环境的定位中具有特别的应用。 在本发明的实施例中,在离线阶段期间,在所需的定位区域内的多个预定位置处确定基于熵的指纹,并随后以在线模式使用以确定接收机的位置。 在特定实施例中,指纹是移动终端与覆盖范围内的所有接入点之间的信道传递函数(CTF)的熵估计的向量。 本发明寻求提供一种指纹定位解决方案,其具有简单的结构,通过证明与在移动终端的位置处经历的信道相关的信息的独特测量,可以获得存储和模式识别要求的优势以及鲁棒性。
    • 4. 发明授权
    • Turbine blades, turbine assemblies, and methods of manufacturing turbine blades
    • 涡轮叶片,涡轮组件以及制造涡轮叶片的方法
    • US08777567B2
    • 2014-07-15
    • US12888202
    • 2010-09-22
    • Kin PoonMalak Fouad MalakArdeshir RiahiDavid Chou
    • Kin PoonMalak Fouad MalakArdeshir RiahiDavid Chou
    • F01D5/20F01D5/18
    • F01D5/20F01D5/187Y02T50/673Y02T50/676Y10T29/49341
    • A turbine blade includes a first side wall including a first tip edge, a second side wall opposite the first side wall and including a second tip edge, a tip wall between the first and second side walls, the tip wall recessed from the first tip edge of the first side wall and the second tip edge of the second side wall forming a coolant cavity, a tip recess cavity, a first parapet wall on the first side wall, and a second parapet wall on the second side wall, the coolant cavity defined by the tip wall, and the tip recess cavity defined by the tip wall, and the first and second parapet walls, a step formed between the first tip edge and the tip wall, a cooling hole through the first parapet wall, the step, and the tip wall, the cooling hole including an open and a closed channel section.
    • 涡轮叶片包括第一侧壁,其包括第一末端边缘,与第一侧壁相对的第二侧壁,并且包括第二末端边缘,位于第一和第二侧壁之间的末端壁, 所述第一侧壁和所述第二侧壁的所述第二末端边缘形成冷却剂腔,所述顶部凹陷空腔,所述第一侧壁上的第一栏杆壁和所述第二侧壁上的第二护墙壁,所述冷却剂腔被限定 由尖端壁和由尖端壁限定的尖端凹部空腔以及第一和第二护墙壁,在第一顶端边缘和尖端壁之间形成的台阶,穿过第一栏杆壁的冷却孔,台阶和 尖端壁,冷却孔包括开放和封闭的通道部分。
    • 5. 发明申请
    • METHOD AND SYSTEM FOR LOCALIZATION
    • 用于本地化的方法和系统
    • US20130172020A1
    • 2013-07-04
    • US13339777
    • 2011-12-29
    • James AweyaNayef AlsindiKin Poon
    • James AweyaNayef AlsindiKin Poon
    • H04W24/00H04W4/04
    • G01S5/0252
    • This invention relates to methods and devices for entropy-based location fingerprinting, in particular for use over wireless local-area networks (WLANs). The invention has particular application in localization for indoor environments. In embodiments of the invention, an entropy-based fingerprint is determined at a number of predetermined locations within the desired area of localization during an off-line phase and subsequently used in an on-line mode to determine the location of a receiver. In particular embodiments, the fingerprint is a vector of entropy estimates of the channel transfer function (CTF) between a mobile terminal and all access points within coverage. The invention seeks to provide a fingerprinting localization solution that has a simplicity of structure, leading to advantages in storage and pattern recognition requirements, and robustness by proving a unique measure of information that is related to the channel experienced at the location of the mobile terminal.
    • 本发明涉及用于基于熵的位置指纹的方法和装置,特别是用于无线局域网(WLAN)上。 本发明在室内环境的定位中具有特别的应用。 在本发明的实施例中,在离线阶段期间,在所需的定位区域内的多个预定位置处确定基于熵的指纹,并随后以在线模式使用以确定接收机的位置。 在特定实施例中,指纹是移动终端与覆盖范围内的所有接入点之间的信道传递函数(CTF)的熵估计的向量。 本发明寻求提供一种指纹定位解决方案,其具有简单的结构,通过证明与在移动终端的位置处经历的信道相关的信息的独特测量,可以获得存储和模式识别要求的优势以及鲁棒性。