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    • 51. 发明授权
    • Method of wavelet estimation and multiple prediction in full wavefield inversion
    • 全波场反演中小波估计和多重预测的方法
    • US08990053B2
    • 2015-03-24
    • US13356342
    • 2012-01-23
    • Spyridon K. LazaratosKe Wang
    • Spyridon K. LazaratosKe Wang
    • G06F7/60G06F17/10G01V1/28
    • G01V1/282G01V2210/56G01V2210/614G01V2210/67
    • Wavelet estimation method, particularly advantageous for full wavefield inversion (“FWI”) of seismic data, that makes use of both the primary and multiple reflections in the data. The inventive method uses an FWI algorithm to generate a subsurface model from primary reflections (101) in a shallow layer before first arrival of multiple reflections (101). The model is then used to simulate multiples (102). The wavelet is subsequently modified (104) such that the simulated multiples closely match the true recorded multiples (103). The simulated multiples may then be subtracted from the measured data (105) thereby creating a deeper top layer of data substantially free of multiples, and the method may then be repeated to extend the subsurface model to a greater depth (106).
    • 小波估计方法,特别有利于地震数据的全波场反演(“FWI”),利用数据中的主反射和多重反射。 本发明的方法使用FWI算法从多次反射(101)首次到达之前的浅层中的主反射(101)产生地下模型。 然后使用该模型来模拟倍数(102)。 随后修改小波(104),使得模拟的倍数与真实的记录倍数(103)紧密匹配。 然后可以从测量数据(105)中减去模拟的倍数,从而产生基本上不含多个数据的更深的顶层数据,然后可以重复该方法以将地下模型扩展到较大的深度(106)。
    • 55. 发明申请
    • MULTI-PARAMETER INVERSION THROUGH OFFSET DEPENDENT ELASTIC FWI
    • 通过偏移依赖弹性FWI的多参数反转
    • US20140350861A1
    • 2014-11-27
    • US14272020
    • 2014-05-07
    • Ke WangSpyridon Lazaratos
    • Ke WangSpyridon Lazaratos
    • G01V1/28
    • G01V1/28G01V1/303G01V1/306G01V2210/622G01V2210/673
    • Method for multi-parameter inversion using elastic inversion. This method decomposes data into offset/angle groups and performs inversion on them in sequential order. This method can significantly speed up convergence of the iterative inversion process, and is therefore most advantageous when used for full waveform inversion (FWI). The present inventive approach draws upon relationships between reflection energy and reflection angle, or equivalently, offset dependence in elastic FWI. The invention uses recognition that the amplitudes of small angle (near offset) reflections are largely determined by acoustic impedance alone (1), independent for the most part of Vp/Vs. Large angle (middle and far offset) reflections are affected by Ip, Vp/Vs (2) and other earth parameters such as density (3) and anisotropy. Therefore, the present inventive method decomposes data into angle or offset groups in performing multi-parameter FWI to reduce crosstalk between the different model parameters being determined in the inversion.
    • 使用弹性反演的多参数反演方法。 该方法将数据分解为偏移/角度组,并按顺序执行反演。 这种方法可以显着加快迭代反演过程的收敛,因此当用于全波形反演(FWI)时最有利。 本发明的方法利用反射能量和反射角度之间的关系,或等效地,弹性FWI中的偏移依赖性。 本发明使用识别,小角度(近偏移)反射的幅度主要由声阻抗单独确定(1),对于大部分Vp / Vs而言是独立的。 大角度(中,远偏移)反射受Ip,Vp / Vs(2)和其他地球参数如密度(3)和各向异性的影响。 因此,本发明的方法在执行多参数FWI时将数据分解为角度或偏移组,以减少在反演中确定的不同模型参数之间的串扰。
    • 58. 发明授权
    • System and method for determining the severity of interference in different areas of a cellular radio network and coordinating radio resource management features in response
    • 用于确定蜂窝无线电网络的不同区域中的干扰严重性的系统和方法,并且响应于协调无线资源管理特征
    • US08725079B2
    • 2014-05-13
    • US13231582
    • 2011-09-13
    • Ke Wang HelmerssonMartin Hessler
    • Ke Wang HelmerssonMartin Hessler
    • H04B1/00H04W16/14H04W28/04H04B1/10
    • H04W16/14H04B1/1027H04W16/18H04W24/02H04W28/04
    • An interference analysis tool for identifying an interference problem area in a cellular radio network in which at least a first User Equipment (UE1) and a second UE (UE2) operate. The tool receives signal quality measurements and determines uplink or downlink interference severity. For UE2 uplink interference, the tool determines a first uplink Signal-to-Interference-and-Noise-Ratio (SINR) experienced by UE2, wherein the first SINR includes uplink interference from UE1. The tool also determines a second uplink SINR level (SINR0) experienced by UE2, wherein SINR0 does not include the uplink interference from UE1. The tool calculates a difference (ΔSINR) between SINR and SINR0 for UE2, and identifies the area where UE1 is operating as an interference-causing area when the ΔSINR for UE2 is greater than a threshold value. The tool may present interference severity levels to an operator, and may initiate Radio Resource Management (RRM) procedures to mitigate interference problems in the network.
    • 一种干扰分析工具,用于识别在至少第一用户设备(UE1)和第二UE(UE2)中操作的蜂窝无线电网络中的干扰问题区域。 该工具接收信号质量测量并确定上行链路或下行链路的干扰严重性。 对于UE2上行链路干扰,该工具确定UE2经历的第一上行链路信号与干扰和噪声比(SINR),其中第一SINR包括来自UE1的上行链路干扰。 该工具还确定UE2经历的第二上行链路SINR电平(SINR0),其中SINR0不包括来自UE1的上行链路干扰。 该工具计算UE2的SINR和SINR0之间的差值(&Dgr; SINR),并且当UE2的&Dgr; SINR大于阈值时,识别UE1正在操作的区域作为干扰区域。 该工具可以向操作员提供干扰严重性级别,并且可以发起无线电资源管理(RRM)过程以减轻网络中的干扰问题。
    • 59. 发明授权
    • Method and system for a relay node to access a network
    • 用于中继节点访问网络的方法和系统
    • US08625480B2
    • 2014-01-07
    • US13225072
    • 2011-09-02
    • Ke WangYan PengTao Gao
    • Xiaoting SunKe WangYan Peng
    • H04B7/14
    • H04W84/047H04B7/155
    • A method and a system for a relay node to access a network are provided, and are related to the field of communications technology. The invention is disclosed in order to solve the problem that the RN cannot access the network directly in the prior art. The method for the RN to access the network includes: receiving, by a base station, a network access message including information for identifying the RN (101); enabling, according to the information for identifying the RN (102), the RN waiting for access to access the network. Through the method, the RN can access the network directly through the base station.
    • 提供了一种中继节点访问网络的方法和系统,与通信技术领域有关。 公开了本发明,以解决现有技术中RN不能直接访问网络的问题。 用于接入网络的方法包括:由基站接收包括用于识别RN(101)的信息的网络接入消息; 根据用于识别RN(102)的信息,RN等待访问网络的RN。 通过该方法,RN可以通过基站直接接入网络。
    • 60. 发明授权
    • Treatment method for reducing particles in dual damascene silicon nitride process
    • 双镶嵌氮化硅工艺中还原颗粒的处理方法
    • US08541307B2
    • 2013-09-24
    • US13339400
    • 2011-12-29
    • Meimei GuDuoyuan HouJun XuKe Wang
    • Meimei GuDuoyuan HouJun XuKe Wang
    • H01L21/44
    • H01L21/76883H01L21/02074H01L21/0217H01L21/02301H01L21/02315H01L21/76834
    • A treatment method for reducing particles in a Dual Damascene Silicon Nitride (DDSN) process, including the following steps: forming a seed layer of copper on a silicon wafer; depositing a deposition layer of copper to cover the seed layer of copper; planarizing the deposition layer of copper; providing the silicon wafer into a reaction chamber and performing a pre-treatment on a surface of the deposition layer of copper using NH3 gas under a plasma condition so as to reduce copper oxide (CuO) to copper (Cu) formed on the deposition layer of copper; in the reaction chamber, generating an etching block layer on the deposition layer of copper using a DDSN deposition process; cleaning the reaction chamber using NF3 gas; and directing N2O gas into the reaction chamber and removing the remaining hydrogen (H) and fluorine (F) in the reaction chamber using the N2O gas under the plasma condition.
    • 一种用于减少双镶嵌氮化硅(DDSN)工艺中的颗粒的处理方法,包括以下步骤:在硅晶片上形成铜种子层; 沉积铜沉积层以覆盖铜的籽晶层; 平坦化铜的沉积层; 将硅晶片提供到反应室中,并且在等离子体条件下使用NH 3气体在铜的沉积层的表面上进行预处理,以将氧化铜(CuO)还原成形成在沉积层上的铜(Cu) 铜; 在反应室中,使用DDSN沉积工艺在铜的沉积层上产生蚀刻阻挡层; 使用NF3气体清洗反应室; 并在等离子体条件下使用N2O气体将N 2 O气体引入反应室并除去反应室中剩余的氢(H)和氟(F)。