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37 条记录 (耗时 0.024 秒)

    SINGLE LOCAL OSCILLATOR FREQUENCY BAND TO RECEIVE DUAL-BAND SIGNALS
    21.
    发明申请
    SINGLE LOCAL OSCILLATOR FREQUENCY BAND TO RECEIVE DUAL-BAND SIGNALS 有权
    单个本地振荡器频带接收双带信号

    公开(公告)号：US20110057837A1

    公开(公告)日：2011-03-10

    申请号：US12140113

    申请日：2008-06-16

    申请人： Qiang Lin

    发明人： Qiang Lin

    IPC分类号： G01S19/32

    CPC分类号： G01S19/32

    摘要： A dual-band GPS receiver and method and apparatus for downconversion of dual-band GPS signals. A dual-band GPS receiver in accordance with the present invention comprises an antenna, a Radio Frequency (RF) section, coupled to the antenna, and a baseband section, coupled to the RF section, wherein the RF section comprises a receiver, the receiver receiving signals from a first GPS frequency band and a second GPS frequency band, a local oscillator having a local oscillator frequency, and a mixer, coupled to the receiver and the local oscillator, for selectively mixing the local oscillator frequency with the first GPS frequency band and a second GPS frequency band, wherein the local oscillator frequency downconverts the first GPS frequency band and the second GPS frequency band into a common downconversion frequency band.

    摘要翻译： 一种用于双频GPS信号下转换的双频GPS接收机及方法和装置。 根据本发明的双频带GPS接收机包括耦合到天线的天线，射频（RF）部分和耦合到RF部分的基带部分，其中RF部分包括接收机，接收机 从第一GPS频带和第二GPS频带接收信号，具有本地振荡器频率的本地振荡器和耦合到接收机和本地振荡器的混频器，用于选择性地将本地振荡器频率与第一GPS频带 和第二GPS频带，其中本地振荡器频率将第一GPS频带和第二GPS频带下变频成公共下变频频带。

    Method and apparatus for adapting a receiver frequency plan according to location
    22.
    发明申请
    Method and apparatus for adapting a receiver frequency plan according to location 有权
    根据位置调整接收机频率规划的方法和装置

    公开(公告)号：US20070247357A1

    公开(公告)日：2007-10-25

    申请号：US11409799

    申请日：2006-04-24

    申请人： Qiang Lin

    发明人： Qiang Lin

    IPC分类号： G01S5/14

    CPC分类号： G01S19/21 ,  G01S19/36

    摘要： A selectable frequency source for use in GPS receivers. A device in accordance with the present invention comprises a reference frequency source, a first divider, coupled to the reference frequency source, the first divider having a first dividing factor, a first mixer, coupled to the first divider, a filter, coupled to the first mixer, a voltage controlled oscillator, coupled to the filter, a second divider, coupled between the voltage controlled oscillator and the first mixer, the second divider having a second dividing factor, and a second mixer, coupled to an output of the voltage controlled oscillator, for mixing a GPS signal with the output of the voltage controlled oscillator, wherein at least one of the first dividing factor and the second dividing factor is changed to change a frequency output of the voltage controlled oscillator.

    摘要翻译： 用于GPS接收机的可选频率源。 根据本发明的装置包括参考频率源，耦合到参考频率源的第一分频器，第一分频器具有第一分频因子，耦合到第一分频器的第一混频器，耦合到第一分频器的滤波器 第一混频器，耦合到滤波器的压控振荡器，耦合在压控振荡器和第一混频器之间的第二分频器，第二分频器具有第二分频因子，第二混频器耦合到电压控制的输出端 振荡器，用于将GPS信号与压控振荡器的输出混合，其中改变第一分频因子和第二分频因子中的至少一个以改变压控振荡器的频率输出。

    Optomechanical disk vibratory gyroscopes
    24.
    发明授权
    Optomechanical disk vibratory gyroscopes 有权
    机电盘振动陀螺仪

    公开(公告)号：US09389079B2

    公开(公告)日：2016-07-12

    申请号：US14627485

    申请日：2015-02-20

    申请人： Jonathan Y. Lee ,  Qiang Lin ,  Oskar J. Painter

    发明人： Jonathan Y. Lee ,  Qiang Lin ,  Oskar J. Painter

    IPC分类号： G01C19/72 ,  G01C19/66

    CPC分类号： G01C19/661 ,  G01C19/5691

    摘要： An integrated optomechanical disk vibratory gyroscope device includes a mechanical oscillator having a substantially circular structure. The substantially circular structure is supported by a pillar, and mechanically isolated from a surrounding structure by a gap or slot. One or more actuators are coupled to the mechanical oscillator across the gap or slot. Each of the one or more actuators is configured to excite the mechanical oscillator in a driving mode. One or more optomechanical cavities are disposed substantially in a plane defined by the mechanical oscillator. At least one component of the one or more optomechanical cavities is disposed on or in the substantially circular structure. Each of the at least one or more optomechanical cavities configured to measure a displacement of the mechanical oscillator in a sensing mode. A method of manufacture is also described.

    摘要翻译： 一种集成的机电盘振动陀螺仪装置包括具有基本圆形结构的机械振荡器。 基本上圆形的结构由支柱支撑，并且通过间隙或狭槽与周围结构机械隔离。 一个或多个致动器跨越间隙或槽耦合到机械振荡器。 一个或多个致动器中的每一个被配置为以驱动模式激励机械振荡器。 一个或多个光学机械腔基本上设置在由机械振荡器限定的平面中。 一个或多个光学机械腔的至少一个部件设置在基本圆形结构上或其中。 所述至少一个或多个光学机械腔中的每一个被配置成在感测模式中测量机械振荡器的位移。 还描述了一种制造方法。

    Wireless network apparatus, wireless network system and wireless network node controlling method
    26.
    发明授权
    Wireless network apparatus, wireless network system and wireless network node controlling method 有权
    无线网络设备，无线网络系统和无线网络节点控制方法

    公开(公告)号：US08761685B2

    公开(公告)日：2014-06-24

    申请号：US13278337

    申请日：2011-10-21

    申请人： Qiang Lin ,  Jun Tian

    发明人： Qiang Lin ,  Jun Tian

    IPC分类号： H04B17/00 ,  H04L12/28

    CPC分类号： H04W52/0216 ,  Y02D70/22

    摘要： The invention discloses a wireless network apparatus, wireless network system and wireless network node controlling method. The method applied in a wireless network including an aggregation node and a plurality of subnodes includes: randomly setting in advance sleeping time and working time for each subnode according to a predetermined strategy; judging a current state of each subnode, and recording monitor data of the subnode according to the current state of the subnode, wherein: when the subnode is currently in a working state, directly acquiring the monitor data currently reported by the subnode, and recording the acquired monitor data; when the subnode is currently in a sleeping state, estimating current monitor data of the subnode, and recording an estimate value of the monitor data. The embodiment of the invention can facilitate lowered energy consumption of a wireless ad hoc network and improve the robustness, reliability and real-time performance of the network.

    摘要翻译： 本发明公开了一种无线网络装置，无线网络系统和无线网络节点控制方法。 在包括聚合节点和多个子节点的无线网络中应用的方法包括：根据预定策略，为每个子节点提前休眠设置睡眠时间和工作时间; 判断每个子节点的当前状态，以及根据子节点的当前状态记录子节点的监视数据，其中：当子节点当前处于工作状态时，直接获取由子节点当前报告的监视数据， 获取监测数据; 当子节点当前处于睡眠状态时，估计子节点的当前监视数据，并记录监视数据的估计值。 本发明的实施例可以有助于降低无线自组织网络的能量消耗，并提高网络的鲁棒性，可靠性和实时性能。

    Analog front end for system simultaneously receiving GPS and GLONASS signals
    27.
    发明授权
    Analog front end for system simultaneously receiving GPS and GLONASS signals 失效
    模拟前端用于系统同时接收GPS和GLONASS信号

    公开(公告)号：US08587477B2

    公开(公告)日：2013-11-19

    申请号：US12754521

    申请日：2010-04-05

    申请人： Hirad Samavati ,  Qiang Lin ,  Qinfang Sun ,  William J. McFarland

    发明人： Hirad Samavati ,  Qiang Lin ,  Qinfang Sun ,  William J. McFarland

    IPC分类号： G01S19/36 ,  G01S19/37

    CPC分类号： G01S19/37 ,  G01S19/33 ,  G01S19/36

    摘要： A receiver for receiving both GPS signals and GLONASS signals is provided. This receiver includes an analog front end (AFE), a GPS digital front end (DFE) and a GLONASS DFE for receiving an output of the AFE, and a dual mode interface (DMI) for receiving outputs of the GPS and GLONASS DFEs. Search engines are provided for receiving outputs of the DMI. Notably, certain front-end components of the AFE are configured to process both the GPS signals and the GLONASS signals.

    摘要翻译： 提供了用于接收GPS信号和GLONASS信号的接收器。 该接收机包括用于接收AFE的输出的模拟前端（AFE），GPS数字前端（DFE）和GLONASS DFE，以及用于接收GPS和GLONASS DFE的输出的双模式接口（DMI）。 提供搜索引擎用于接收DMI的输出。 值得注意的是，AFE的某些前端组件配置为处理GPS信号和GLONASS信号。

    Dual LO receiver
    28.
    发明授权
    Dual LO receiver 有权
    双LO接收机

    公开(公告)号：US08044856B1

    公开(公告)日：2011-10-25

    申请号：US12356757

    申请日：2009-01-21

    申请人： Qiang Lin

    发明人： Qiang Lin

    IPC分类号： G01S19/35

    CPC分类号： G01S19/35 ,  H03J2200/11

    摘要： A selectable frequency source for use in GPS receivers. A device in accordance with one or more embodiments of the present invention comprises at least one reference frequency source, a circuit, coupled to the at least one reference frequency source, and a mixer, coupled to an output of the circuit, for mixing a GPS signal with the output of the circuit, wherein a frequency output of the mixer is changed based on an input to the circuit.

    摘要翻译： 用于GPS接收机的可选频率源。 根据本发明的一个或多个实施例的装置包括耦合到所述至少一个参考频率源的至少一个参考频率源，电路和耦合到所述电路的输出的混频器，用于混合GPS 信号与电路的输出，其中混频器的频率输出基于对电路的输入而改变。