Estimating cardinality distributions in network traffic
    41.
    发明授权
    Estimating cardinality distributions in network traffic 有权
    估计网络流量中的基数分布

    公开(公告)号:US08406132B2

    公开(公告)日:2013-03-26

    申请号:US12129883

    申请日:2008-05-30

    申请人: Jin Cao Aiyou Chen Li Li

    发明人: Jin Cao Aiyou Chen Li Li

    IPC分类号: H04J3/14 H04L12/28 H04L12/66

    CPC分类号: H04L43/00

    摘要: In one embodiment, a method of monitoring a network. The method includes: receiving, from each host of a set of two or more hosts of the network, a corresponding vector of M components constructed based on data packets received at the host during a time period, M being an integer greater than 1; and, based on the constructed vectors, using an expectation-maximization algorithm to estimate a cardinality distribution for the hosts in the set, wherein constructing a vector includes updating a component of the vector of the corresponding host in response to the corresponding host receiving a data packet, the updating including selecting the component for updating by hashing one or more fields of the data packet received by the corresponding host.

    摘要翻译: 在一个实施例中,一种监视网络的方法。 该方法包括:从网络的一组两个或多个主机的每个主机接收在一段时间内基于在主机处接收的数据分组构成的M个分量的相应向量,M是大于1的整数; 并且基于构造的向量,使用期望最大化算法来估计集合中的主机的基数分布,其中构建向量包括响应于相应主机接收到数据来更新对应主机的向量的分量 分组,所述更新包括通过对由相应主机接收的数据分组的一个或多个字段进行哈希来选择用于更新的分量。

    METHOD OF IMPROVING TRANSMISSION GAIN AT A NETWORK ELEMENT HAVING A PLURALITY OF ANTENNAS
    42.
    发明申请
    METHOD OF IMPROVING TRANSMISSION GAIN AT A NETWORK ELEMENT HAVING A PLURALITY OF ANTENNAS 有权
    在具有多个天线的网络元件上改善传输增益的方法

    公开(公告)号:US20130072140A1

    公开(公告)日:2013-03-21

    申请号:US13236082

    申请日:2011-09-19

    IPC分类号: H01Q11/12

    摘要: In one embodiment, the method includes reducing a beam width of transmission to increase an open-loop beamforming gain, reducing a channel bandwidth of the transmission to increase a channel bandwidth gain, and increasing a sequence length of the transmission to increase a sequence length gain. In this embodiment, a gain improvement is based on the product of the open loop beamforming gain, the channel bandwidth gain and the sequence length gain.

    摘要翻译: 在一个实施例中,该方法包括减小传输的波束宽度以增加开环波束成形增益,减少传输的信道带宽以增加信道带宽增益,以及增加传输的序列长度以增加序列长度增益 。 在该实施例中,增益改善基于开环波束形成增益,信道带宽增益和序列长度增益的乘积。

    Conductive silicone material for human skin electrode
    44.
    发明授权
    Conductive silicone material for human skin electrode 有权
    用于人体皮肤电极的导电硅胶材料

    公开(公告)号:US08355770B2

    公开(公告)日:2013-01-15

    申请号:US12729206

    申请日:2010-03-22

    IPC分类号: A61B5/0408 H01B1/04

    摘要: A conductive silicone material for human skin electrode is disclosed. In one embodiment, the conductive silicone material comprises a mixture of silicone and carbon powder such that the mixture has a resistivity of 0.08 to 0.12 Ω·m and a Shore A hardness of 50 to 60. In an exemplary embodiment, the mixture comprises 60 to 80 weight percent silicone and 20 to 40 weight percent carbon powder. A sensor for detecting human biological signal using a conductive silicone electrode is also disclosed.

    摘要翻译: 公开了一种用于人体皮肤电极的导电硅材料。 在一个实施方案中,导电硅树脂材料包括硅酮和碳粉末的混合物,使得该混合物的电阻率为0.08至0.12,OHgr.m,肖氏A硬度为50至60.在示例性实施方案中,混合物包含60 至80重量%的硅酮和20至40重量%的碳粉末。 还公开了一种用于使用导电硅氧烷电极检测人类生物信号的传感器。

    Earth-boring tools having expandable members and methods of making and using such earth-boring tools
    49.
    发明授权
    Earth-boring tools having expandable members and methods of making and using such earth-boring tools 有权
    具有可扩展构件的钻孔工具以及制造和使用这种钻孔工具的方法

    公开(公告)号:US08230951B2

    公开(公告)日:2012-07-31

    申请号:US12570464

    申请日:2009-09-30

    IPC分类号: E21B10/32

    CPC分类号: E21B10/322

    摘要: An expandable apparatus for use in a borehole includes a tubular body having at least one opening extending between a longitudinal bore of the tubular body and an outer surface of the tubular body and at least one member positioned within the at least one opening of the tubular body. The at least one member is configured to move between a retracted position and an extended position. An actuation structure is positioned within the tubular body. The actuation structure is coupled to the at least one member and is configured to move the at least one member from the retracted position to the extended position responsive to a flow rate of drilling fluid passing through the longitudinal bore.

    摘要翻译: 一种用于钻孔的可扩张装置包括管状主体,其具有至少一个开口,其在管状主体的纵向孔和管状体的外表面之间延伸,并且至少一个构件定位在管状体的至少一个开口内 。 所述至少一个构件构造成在缩回位置和延伸位置之间移动。 致动结构定位在管状体内。 所述致动结构联接到所述至少一个构件,并且构造成响应于穿过所述纵向孔的钻井液的流量,将所述至少一个构件从所述缩回位置移动到所述延伸位置。

    Methods for removing dielectric materials
    50.
    发明授权
    Methods for removing dielectric materials 失效
    去除介电材料的方法

    公开(公告)号:US08221642B2

    公开(公告)日:2012-07-17

    申请号:US12755223

    申请日:2010-04-06

    申请人: Li Li Don L. Yates

    发明人: Li Li Don L. Yates

    IPC分类号: B44C1/22 H01L21/302

    摘要: A method for removing a plurality of dielectric films from a supporting substrate by providing a substrate with a dielectric layer overlying another dielectric layer, contacting the substrate at a first temperature with an acid solution exhibiting a positive etch selectivity at the first temperature, and then contacting the substrate at a second temperature with an acid solution exhibiting a positive etch selectivity at the second temperature. The dielectric layers exhibit different etch rates when etched at the first and second temperatures. The first and second acid solutions may contain phosphoric acid. The first dielectric layer may be silicon nitride and the second dielectric layer may be silicon oxide. Under these conditions, the first temperature may be about 175° C. and the second temperature may be about 155° C.

    摘要翻译: 一种用于通过提供覆盖在另一电介质层上的介电层的衬底来从支撑衬底去除多个电介质膜的方法,在第一温度下使衬底与在第一温度下呈现正蚀刻选择性的酸溶液接触,然后接触 在第二温度下用碱性溶液在第二温度下显示出正的蚀刻选择性。 当在第一和第二温度下进行蚀刻时,介电层表现出不同的蚀刻速率。 第一和第二酸溶液可以含有磷酸。 第一电介质层可以是氮化硅,第二电介质层可以是氧化硅。 在这些条件下,第一温度可以是约175℃,第二温度可以是约155℃。