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    • 91. 发明申请
    • INTERRUPT REDIRECTION WITH COALESCING
    • 中断重定向与COALESCING
    • US20090177829A1
    • 2009-07-09
    • US11971775
    • 2008-01-09
    • Bruce L. WorthingtonGoran MarinkovicBrian RailingQi ZhangSwaroop V. Kavalanekar
    • Bruce L. WorthingtonGoran MarinkovicBrian RailingQi ZhangSwaroop V. Kavalanekar
    • G06F13/24G06F9/44
    • G06F9/4812
    • An interrupt redirection and coalescing system for a multi-processor computer. Devices interrupt a processor or group of processors using pre-defined message address and data payloads communicated with a memory write transaction over a PCI, PCI-X, or PCI Express bus. The efficiency of processing may be improved by combining multiple interrupt notifications into a single interrupt message to a processor. For some interrupts on a multi-processor computer, such as those signaling completion of an input/output (I/O) operation assigned to a device, the efficiency of processing the interrupt may vary from processor to processor. Processing efficiency and overall computer system operation may be improved by appropriately coalescing interrupt messages within and/or across a plurality of queues, where interrupts are queued on the basis of which processor they target.
    • 用于多处理器计算机的中断重定向和聚合系统。 设备使用通过PCI,PCI-X或PCI Express总线与存储器写入事务通信的预定义消息地址和数据有效负载中断处理器或处理器组。 通过将多个中断通知组合成单个中断消息到处理器,可以提高处理效率。 对于多处理器计算机上的一些中断,例如那些信令完成分配给设备的输入/输出(I / O)操作),处理器的处理效率可能随处理器而异。 可以通过适当地聚合多个队列内和/或跨多个队列的中断消息来改善处理效率和整体计算机系统操作,其中中断基于他们所针对的哪个处理器进行排队。
    • 92. 发明申请
    • SYSTEM AND METHOD FOR MODELING A SESSION-BASED SYSTEM WITH A TRANSACTION-BASED ANALYTIC MODEL
    • 基于交互式分析模型建立基于会话的系统的系统与方法
    • US20090119301A1
    • 2009-05-07
    • US11935196
    • 2007-11-05
    • Ludmila CherkasovaQi Zhang
    • Ludmila CherkasovaQi Zhang
    • G06F17/30
    • G06Q10/06
    • According to an embodiment of the present invention, a method for deriving an analytic model for a session-based system is provided. The method comprises receiving, by a model generator, client-access behavior information for the session-based system, wherein the session-based system comprises a plurality of interdependent transaction types. The method further comprises deriving, by the model generator, from the received client-access behavior information, a stateless transaction-based analytic model of the session-based system, wherein the derived transaction-based analytic model models resource requirements of the session-based system for servicing a workload. According to certain embodiments, the derived transaction-based analytic model is used for performing capacity analysis of the session-based system.
    • 根据本发明的实施例,提供了一种用于导出用于基于会话的系统的分析模型的方法。 该方法包括由模型生成器接收基于会话的系统的客户端访问行为信息,其中基于会话的系统包括多个相互依赖的事务类型。 该方法还包括由模型生成器从接收到的客户端访问行为信息中导出基于会话的系统的基于无状态的基于事务的分析模型,其中所导出的基于事务的分析模型模拟基于会话的系统的资源需求 用于维护工作负载的系统。 根据某些实施例,所导出的基于事务的分析模型被用于执行基于会话的系统的容量分析。
    • 93. 发明授权
    • Phase lock detector
    • 锁相检测器
    • US07480361B1
    • 2009-01-20
    • US10889553
    • 2004-07-12
    • Qi ZhangAtul Ghia
    • Qi ZhangAtul Ghia
    • H03D3/24
    • H03L7/095H03L7/0812
    • Method and apparatus for phase lock detection is described. More particularly, a phase lock detection circuit (20) includes a synchronization circuit (23) coupled to receive a reference signal (31) and configured to provide a derivative signal (32). A phase lock detector (21) is coupled to receive the reference signal (31) and the derivative signal (32) and is configured to provide a cycle lock signal (24) indicating whether a phase lock exists within a lock window (57) for a clock cycle.
    • 描述用于锁相检测的方法和装置。 更具体地,锁相检测电路(20)包括耦合以接收参考信号(31)并被配置为提供导数信号(32)的同步电路(23)。 相位锁定检测器(21)被耦合以接收参考信号(31)和微分信号(32),并且被配置为提供循环锁定信号(24),其指示在锁定窗口(57)内是否存在相位锁定,用于 一个时钟周期。
    • 95. 发明授权
    • Tunable magneto-rheological elastomers and processes for their manufacture
    • 可调谐磁流变弹性体及其制造方法
    • US07261834B2
    • 2007-08-28
    • US10851997
    • 2004-05-20
    • Alan FuchsFaramarz GordaninejadGregory H. HitchcockJacob ElkinsQi Zhang
    • Alan FuchsFaramarz GordaninejadGregory H. HitchcockJacob ElkinsQi Zhang
    • H01F1/44
    • F16F1/3615F16F1/3605F16F2224/0283
    • Novel magnetorheological elastomer compositions are provided. The magnetorheological elastomers (MREs) may have aligned or randomly arranged magnetizable particles in a thermoset or thermoplastic matrix. The magnetizable particles may be coated to reduce corrosion and/or improve bonding between the particle and the matrix. The magnetizable particles may be flake-shaped. The MREs may have matrices selected from the group consisting of hydrogenated nitrile rubbers, butyl rubbers, ethylene-propylene copolymers and terpolymers, ethylene-acrylic copolymers, fluorinated elastomers, silphenylene-siloxanes, silarylene-siloxanes, poly(carborane-siloxane-acetylene)s and blends thereof. The MREs may also have matrices selected from the group consisting of styrene-butadiene block copolymers, copolyesters, polyamides, polyether block amides, polyolefin-elastomers other than polyalpha olefins, chlorinated polyethylenes, ionomers, chlorosulfonated polyethylenes, blends thereof, and blends of thermoplastic polyurethane with polyvinyl chloride (PVC), polyvinylindene fluoride (PVDF), polycarbonate, or acrylonitrile butadiene styrene (ABS).
    • 提供了新的磁流变弹性体组合物。 磁流变弹性体(MRE)可以在热固性或热塑性基质中具有对准或随机排列的可磁化颗粒。 可磁化颗粒可以被涂覆以减少腐蚀和/或改善颗粒和基质之间的粘合。 可磁化颗粒可以是片状的。 MRE可以具有选自氢化丁腈橡胶,丁基橡胶,乙烯 - 丙烯共聚物和三元共聚物,乙烯 - 丙烯酸共聚物,氟化弹性体,硅亚烷基 - 硅氧烷,亚磺酰基 - 硅氧烷,聚(碳硼烷 - 硅氧烷 - 乙炔) 和它们的混合物。 MRE还可以具有选自苯乙烯 - 丁二烯嵌段共聚物,共聚酯,聚酰胺,聚醚嵌段酰胺,除聚α烯烃以外的聚烯烃 - 弹性体,氯化聚乙烯,离聚物,氯磺化聚乙烯,其共混物,以及热塑性聚氨酯 聚氯乙烯(PVC),聚二氟乙烯氟化物(PVDF),聚碳酸酯或丙烯腈丁二烯苯乙烯(ABS)。
    • 97. 发明授权
    • Current mode I/O for digital circuits
    • 数字电路的电流模式I / O
    • US5811984A
    • 1998-09-22
    • US539581
    • 1995-10-05
    • Stephen I. LongQi Zhang
    • Stephen I. LongQi Zhang
    • H03K19/0185H04L25/02H03K17/16H03K19/175
    • H03K19/018557H04L25/0278H04L25/0282H04L25/0294
    • A digital input/output interface for use with two digital circuits connected by a transmission line having a characteristic impedance Z.sub.0 includes a current driver in one of the digital circuits and a current receiver in the other digital circuit. The current driver is configured to generate a current in the transmission line when a digital signal is applied to the current driver. The current receiver includes a current conversion element connected to the transmission line at an input node through an input impedance Z.sub.in and adapted to convert the current in the transmission line into an output voltage, and an active termination element configured to actively adjust the input impedance Z.sub.in to match the characteristic impedance Z.sub.0 of the transmission line. An impedance transforming receiver for use with a transmission line having a small characteristic impedance Z.sub.0 and carrying a relatively small current mode signal includes the following: an input element connected to the transmission line and configured to receive the small current mode signal, the input element having a small input impedance Z.sub.in that substantially matches the characteristic impedance of the transmission line; and a high impedance output element adapted to convert the small current mode signal into an output binary voltage having a noise margin large enough for digital communication.
    • 用于通过具有特性阻抗Z0的传输线连接的两个数字电路的数字输入/输出接口包括数字电路之一中的电流驱动器和另一数字电路中的电流接收器。 当数字信号被施加到当前驱动器时,当前驱动器被配置为在传输线中产生电流。 电流接收器包括电流转换元件,其通过输入阻抗Zin连接到输入节点处的传输线,并且适于将传输线中的电流转换为输出电压;以及主动终端元件,其被配置为主动调整输入阻抗Zin 以匹配传输线的特性阻抗Z0。 用于具有小特征阻抗Z0并且承载相对小的电流模式信号的传输线的阻抗变换接收器包括:连接到传输线并被配置为接收小电流模式信号的输入元件,该输入元件具有 基本上匹配传输线的特性阻抗的小的输入阻抗Zin; 以及高阻抗输出元件,适于将小电流模式信号转换成具有足够数字通信的噪声容限的输出二进制电压。
    • 100. 发明授权
    • Echo canceller and echo cancellation method
    • 回波消除器和回波消除方法
    • US09282195B2
    • 2016-03-08
    • US14368953
    • 2012-03-15
    • Tao XueTao SunDongmei LiuJinjun WangQi ZhangXia Wang
    • Tao XueTao SunDongmei LiuJinjun WangQi ZhangXia Wang
    • H04M1/00H04M9/08G10K11/16
    • H04M9/082G10K11/16
    • An echo canceller and an echo cancellation method are provided. The echo canceller includes a self-adaptive filter, a voice signal detection portion and a path change detection portion; a far-end voice signal is propagated in an echo path through a speaker and is picked up by a microphone to form an echo signal. The self-adaptive filter is configured to receive the far-end voice signal as a training signal to simulate the echo path, and cancel the echo signal in a near-end signal. The voice signal detection portion is configured to detect a communication status, control the self-adaptive filter according to the communication status, and control startup of the path change detection portion according to the communication status. The path change detection portion is configured to detect whether a change occurs on the echo path, and control the self-adaptive filter according to whether the change occurs on the echo path.
    • 提供回声消除器和回声消除方法。 回波消除器包括自适应滤波器,语音信号检测部分和路径变化检测部分; 远端语音信号通过扬声器在回波路径中传播,并由麦克风拾取以形成回波信号。 自适应滤波器被配置为接收远端语音信号作为训练信号以模拟回波路径,并且消除近端信号中的回波信号。 语音信号检测部被配置为检测通信状态,根据通信状态来控制自适应滤波器,并且根据通信状态来控制路径变化检测部的启动。 路径变化检测部被配置为检测在回波路径上是否发生变化,并且根据在回波路径上是否发生变化来控制自适应滤波器。