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    • 31. 发明申请
    • THIN FILM OPTICAL FILTERS WITH AN INTEGRAL AIR LAYER
    • 薄膜光学过滤器与整体空气层
    • US20130188254A1
    • 2013-07-25
    • US13062266
    • 2008-09-08
    • Li LiJerzy A. Dobrowolski
    • Li LiJerzy A. Dobrowolski
    • G02B5/28
    • G02B5/284G02B27/1073G02B27/142G02B27/144G02B27/283Y10T156/10
    • Novel thin film optical filters have an integral air layer. The frustrated total internal reflection (FTIR) phenomenon, combined with thin film interference, is used to effectively control the polarization properties of thin film coatings operating at oblique angles. The invention is applicable to high-performance thin film polarizing beam-splitters, non-polarizing beam-splitters, non-polarizing cut-off filters and non-polarizing band-pass filters, and any other thin film coatings that require the control of polarization effect. The low index layer offers an improvement in performance and the simplification of the thin film optical filter coating designs by reducing the total number of layers and the total layer thicknesses to minimize the angles of incidence and the size of the filter substrates, thereby minimizing the contact area and hence reducing the manufacturing costs.
    • 新型薄膜光学滤光片具有一体的空气层。 使用挫折的全内反射(FTIR)现象,结合薄膜干涉,有效地控制了以斜角工作的薄膜涂层的极化性能。 本发明适用于高性能薄膜偏振光束分离器,非偏振光束分离器,非偏振截止滤光器和非偏振带通滤光器以及需要控制极化的任何其它薄膜涂层 影响。 低折射率层通过减少总层数和总层厚度来提高性能和薄膜光学滤光器涂层设计的简化,以最小化入射角和滤光片基板的尺寸,从而最小化接触 从而降低制造成本。
    • 35. 发明授权
    • Estimating cardinality distributions in network traffic
    • 估计网络流量中的基数分布
    • US08406132B2
    • 2013-03-26
    • US12129883
    • 2008-05-30
    • Jin CaoAiyou ChenLi Li
    • Jin CaoAiyou ChenLi Li
    • H04J3/14H04L12/28H04L12/66
    • H04L43/00
    • 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.
    • 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。