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    Resampling a Signal to Perform Synchrophasor Measurement
    1.
    发明申请
    Resampling a Signal to Perform Synchrophasor Measurement 有权
    重新采样信号以执行同步相机测量

    公开(公告)号：US20130154878A1

    公开(公告)日：2013-06-20

    申请号：US13326756

    申请日：2011-12-15

    申请人： Qiao Guo ,  Chen Zhang ,  Yijun Shi

    发明人： Qiao Guo ,  Chen Zhang ,  Yijun Shi

    IPC分类号： G01S19/42 ,  G01D1/14

    CPC分类号： G01R19/2513 ,  G01R23/00 ,  G01R25/00 ,  Y02E60/728 ,  Y04S10/265

    摘要： Performing power quality and synchrophasor analysis on a resampled signal. A first signal may be initially received which corresponds to a power system. The first signal may have a plurality of cycles and may have a frequency that varies over time. One or more parameters may be determined from the first signal. Based on the one or more parameters, the first signal may be resampled to produce an even angle signal. Various power quality measurements may be performed on the even angle signal. Similarly, further processing may be performed to perform synchrophasor measurements, e.g., to determine phasor, frequency, and/or rate of frequency change for the first signal. In some embodiments, the resampling processing elements (e.g., circuitry, programmable hardware elements, processors and memories, etc.) may be shared between the two analyses.

    摘要翻译： 对重采样信号执行电源质量和同步信号分析。 可以首先接收对应于电力系统的第一信号。 第一信号可以具有多个周期，并且可以具有随时间变化的频率。 可以从第一信号确定一个或多个参数。 基于一个或多个参数，第一信号可被重采样以产生均匀角度信号。 可以对均匀角度信号执行各种功率质量测量。 类似地，可以执行进一步的处理以执行同步器测量，例如，以确定第一信号的频率变化的相量，频率和/或速率。 在一些实施例中，可以在两个分析之间共享重采样处理元件（例如，电路，可编程硬件元件，处理器和存储器等）。

    PREPARATION METHOD OF CARBON MODIFIED FILLER
    2.
    发明申请
    PREPARATION METHOD OF CARBON MODIFIED FILLER 有权
    碳改性填料的制备方法

    公开(公告)号：US20130221266A1

    公开(公告)日：2013-08-29

    申请号：US13817445

    申请日：2010-08-17

    申请人： Xiaohua Lu ,  Yijun Shi ,  Ke Zhou ,  Changsong Wang ,  Wejun Yao

    发明人： Xiaohua Lu ,  Yijun Shi ,  Ke Zhou ,  Changsong Wang ,  Wejun Yao

    IPC分类号： C09C1/44 ,  C09K5/14

    CPC分类号： C09C1/44 ,  C03C25/44 ,  C04B35/62839 ,  C04B2235/3232 ,  C04B2235/3454 ,  C09C1/027 ,  C09C1/028 ,  C09C1/043 ,  C09C1/14 ,  C09C1/24 ,  C09C1/28 ,  C09C1/3054 ,  C09C1/346 ,  C09C1/3661 ,  C09C1/405 ,  C09C1/407 ,  C09C3/063 ,  C09K5/14 ,  F16D69/025 ,  F16D69/026

    摘要： A preparation method of carbon modified filler is provided. The method is: putting the fillers into the reaction zone of a reactor, starting the first heating-up to 400-500° C. under the protective atmosphere at first, then introducing hydrogen after the heating-up; starting the second heating-up to 600-1200° C. after introducing hydrogen and simultaneously introducing the mixture of hydrogen and carbon source gas, keeping at the terminal temperature for 0.1-5 hours, introducing nitrogen and stopping heating after the reaction, cooling, and then getting the carbon modified filler. The above method can obtain a friction material with good mechanical properties, excellent friction and wear performances, stable friction coefficient at high temperature, good braking force and no heat recession.

    摘要翻译： 提供了碳改性填料的制备方法。 方法是将填料放入反应器的反应区，首先在保护气氛下首先升温至400-500℃，然后在加热后引入氢气; 在引入氢气之后第二次加热至600-1200℃，同时引入氢气和碳源气体混合物，在终端温度下保持0.1-5小时，引入氮气并在反应后停止加热，冷却， 然后得到碳改性填料。 上述方法可以获得具有良好机械性能，优良摩擦磨损性能，高温摩擦系数稳定，制动力好，无热退缩的摩擦材料。

    Method for Unifying Secondary Synchronization Signal Detection and Frame Timing Synchronization
    3.
    发明申请
    Method for Unifying Secondary Synchronization Signal Detection and Frame Timing Synchronization 有权
    用于统一二次同步信号检测和帧定时同步的方法

    公开(公告)号：US20120093267A1

    公开(公告)日：2012-04-19

    申请号：US13259491

    申请日：2010-04-02

    申请人： Peng Zhou ,  Yuefeng Chen ,  Yijun Shi

    发明人： Peng Zhou ,  Yuefeng Chen ,  Yijun Shi

    IPC分类号： H04L7/04 ,  H04L27/06 ,  H04L27/00

    CPC分类号： H04W56/00 ,  H04B1/70752 ,  H04J11/0076 ,  H04L27/2613 ,  H04L27/2656

    摘要： A method for joint secondary synchronization signal detection and frame timing synchronization includes: (1) generating local secondary synchronization sequences SSC1—n and SSC2—n according to a sector number of a cell group; (2) converting a received time domain signal to a frequency domain signal to obtain secondary synchronization signals S1 and S2 to be detected; (3) performing inner product operation to obtain P1—n=P1—n−1+[S1,SSC1—n]+[S2,SSC2—n], and P2—n=P2—n−1+[S1,SSC2—n]+[S2,SSC1—n]; (4) selecting the maximum value P of absolute values of correlation values in the P1—n and P2—n, and judging whether the maximum value P is greater than a preset threshold Tmax, (5) if yes, taking the index of the maximum value P as an ID number of the cell group, or else, further carrying out step (2), and then further carrying out step (3).

    摘要翻译： 联合次同步信号检测和帧定时同步的方法包括：（1）根据小区组的扇区号产生本地辅同步序列SSC1-n和SSC2-n; （2）将接收到的时域信号转换为频域信号，以获得待检测的次同步信号S1和S2; （3）执行内积运算以获得P1-n = P1-n-1 + [S1，SSC1-n] + [S2，SSC2-n]和P2-n = P2-n-1 + [S1，SSC2 -n] + [S2，SSC1-n]; （4）选择P1-n和P2-n中的相关值的绝对值的最大值P，以及判断最大值P是否大于预设阈值Tmax;（5）如果是，则以 最大值P作为单元组的ID号，否则进一步执行步骤（2），然后进一步执行步骤（3）。

    Resampling a signal to perform synchrophasor measurement
    4.
    发明授权
    Resampling a signal to perform synchrophasor measurement 有权
    重新采样信号以执行同步相机测量

    公开(公告)号：US08872699B2

    公开(公告)日：2014-10-28

    申请号：US13326756

    申请日：2011-12-15

    申请人： Qiao Guo ,  Chen Zhang ,  Yijun Shi

    发明人： Qiao Guo ,  Chen Zhang ,  Yijun Shi

    IPC分类号： G01S19/42 ,  G01D1/14

    CPC分类号： G01R19/2513 ,  G01R23/00 ,  G01R25/00 ,  Y02E60/728 ,  Y04S10/265

    摘要： Performing power quality and synchrophasor analysis on a resampled signal. A first signal may be initially received which corresponds to a power system. The first signal may have a plurality of cycles and may have a frequency that varies over time. One or more parameters may be determined from the first signal. Based on the one or more parameters, the first signal may be resampled to produce an even angle signal. Various power quality measurements may be performed on the even angle signal. Similarly, further processing may be performed to perform synchrophasor measurements, e.g., to determine phasor, frequency, and/or rate of frequency change for the first signal. In some embodiments, the resampling processing elements (e.g., circuitry, programmable hardware elements, processors and memories, etc.) may be shared between the two analyses.

    摘要翻译： 对重采样信号执行电源质量和同步信号分析。 可以首先接收对应于电力系统的第一信号。 第一信号可以具有多个周期，并且可以具有随时间变化的频率。 可以从第一信号确定一个或多个参数。 基于一个或多个参数，第一信号可被重采样以产生均匀角度信号。 可以对均匀角度信号执行各种功率质量测量。 类似地，可以执行进一步的处理以执行同步器测量，例如，以确定第一信号的频率变化的相量，频率和/或速率。 在一些实施例中，可以在两个分析之间共享重采样处理元件（例如，电路，可编程硬件元件，处理器和存储器等）。

    Resampling a Signal to Perform Power Quality and Synchrophasor Measurement
    6.
    发明申请
    Resampling a Signal to Perform Power Quality and Synchrophasor Measurement 有权
    重新采样信号以执行电源质量和同步相机测量

    公开(公告)号：US20130158907A1

    公开(公告)日：2013-06-20

    申请号：US13326676

    申请日：2011-12-15

    申请人： Qiao Guo ,  Chen Zhang ,  Yijun Shi

    发明人： Qiao Guo ,  Chen Zhang ,  Yijun Shi

    IPC分类号： G06F19/00 ,  G01R21/133

    CPC分类号： G01R21/133 ,  G01R19/2513 ,  Y02E60/728 ,  Y04S10/265

    摘要： Performing power quality and synchrophasor analysis on a resampled signal. A first signal may be initially received which corresponds to a power system. The first signal may have a plurality of cycles and may have a frequency that varies over time. One or more parameters may be determined from the first signal. Based on the one or more parameters, the first signal may be resampled to produce an even angle signal. Various power quality measurements may be performed on the even angle signal. Similarly, further processing may be performed to perform synchrophasor measurements, e.g., to determine phasor, frequency, and/or rate of frequency change for the first signal. In some embodiments, the resampling processing elements (e.g., circuitry, programmable hardware elements, processors and memories, etc.) may be shared between the two analyses.

    摘要翻译： 对重采样信号执行电源质量和同步信号分析。 可以首先接收对应于电力系统的第一信号。 第一信号可以具有多个周期，并且可以具有随时间变化的频率。 可以从第一信号确定一个或多个参数。 基于一个或多个参数，第一信号可被重采样以产生均匀角度信号。 可以对均匀角度信号执行各种功率质量测量。 类似地，可以执行进一步的处理以执行同步器测量，例如，以确定第一信号的频率变化的相量，频率和/或速率。 在一些实施例中，可以在两个分析之间共享重采样处理元件（例如，电路，可编程硬件元件，处理器和存储器等）。

    Resampling a signal to perform power quality and synchrophasor measurement
    8.
    发明授权
    Resampling a signal to perform power quality and synchrophasor measurement 有权
    重新采样信号以执行电源质量和同步相机测量

    公开(公告)号：US09128132B2

    公开(公告)日：2015-09-08

    申请号：US13326676

    申请日：2011-12-15

    申请人： Qiao Guo ,  Chen Zhang ,  Yijun Shi

    发明人： Qiao Guo ,  Chen Zhang ,  Yijun Shi

    IPC分类号： G01R21/00 ,  G01R21/133 ,  G01R19/25

    CPC分类号： G01R21/133 ,  G01R19/2513 ,  Y02E60/728 ,  Y04S10/265

    摘要： Performing power quality and synchrophasor analysis on a resampled signal. A first signal may be initially received which corresponds to a power system. The first signal may have a plurality of cycles and may have a frequency that varies over time. One or more parameters may be determined from the first signal. Based on the one or more parameters, the first signal may be resampled to produce an even angle signal. Various power quality measurements may be performed on the even angle signal. Similarly, further processing may be performed to perform synchrophasor measurements, e.g., to determine phasor, frequency, and/or rate of frequency change for the first signal. In some embodiments, the resampling processing elements (e.g., circuitry, programmable hardware elements, processors and memories, etc.) may be shared between the two analyses.

    摘要翻译： 对重采样信号执行电源质量和同步信号分析。 可以首先接收对应于电力系统的第一信号。 第一信号可以具有多个周期，并且可以具有随时间变化的频率。 可以从第一信号确定一个或多个参数。 基于一个或多个参数，第一信号可被重采样以产生均匀角度信号。 可以对均匀角度信号执行各种功率质量测量。 类似地，可以执行进一步的处理以执行同步器测量，例如，以确定第一信号的频率变化的相量，频率和/或速率。 在一些实施例中，可以在两个分析之间共享重采样处理元件（例如，电路，可编程硬件元件，处理器和存储器等）。

    Resampling a signal to perform power quality measurement
    9.
    发明授权
    Resampling a signal to perform power quality measurement 有权
    重新采样信号进行电能质量测量

    公开(公告)号：US09188611B2

    公开(公告)日：2015-11-17

    申请号：US13326626

    申请日：2011-12-15

    申请人： Qiao Guo ,  Chen Zhang ,  Yijun Shi

    发明人： Qiao Guo ,  Chen Zhang ,  Yijun Shi

    IPC分类号： G01R21/00 ,  G01R21/133 ,  G01R19/25

    CPC分类号： G01R21/133 ,  G01R19/2513 ,  Y02E60/728 ,  Y04S10/265

    摘要： Performing power quality and synchrophasor analysis on a resampled signal. A first signal may be initially received which corresponds to a power system. The first signal may have a plurality of cycles and may have a frequency that varies over time. One or more parameters may be determined from the first signal. Based on the one or more parameters, the first signal may be resampled to produce an even angle signal. Various power quality measurements may be performed on the even angle signal. Similarly, further processing may be performed to perform synchrophasor measurements, e.g., to determine phasor, frequency, and/or rate of frequency change for the first signal. In some embodiments, the resampling processing elements (e.g., circuitry, programmable hardware elements, processors and memories, etc.) may be shared between the two analysis.

    摘要翻译： 对重采样信号执行电源质量和同步信号分析。 可以首先接收对应于电力系统的第一信号。 第一信号可以具有多个周期，并且可以具有随时间变化的频率。 可以从第一信号确定一个或多个参数。 基于一个或多个参数，第一信号可被重采样以产生均匀角度信号。 可以对均匀角度信号执行各种功率质量测量。 类似地，可以执行进一步的处理以执行同步器测量，例如，以确定第一信号的频率变化的相量，频率和/或速率。 在一些实施例中，可以在两个分析之间共享重采样处理元件（例如，电路，可编程硬件元件，处理器和存储器等）。

    Method for unifying secondary synchronization signal detection and frame timing synchronization
    10.
    发明授权
    Method for unifying secondary synchronization signal detection and frame timing synchronization 有权
    统一二次同步信号检测与帧定时同步的方法

    公开(公告)号：US08542783B2

    公开(公告)日：2013-09-24

    申请号：US13259491

    申请日：2010-04-02

    申请人： Peng Zhou ,  Yuefeng Chen ,  Yijun Shi

    发明人： Peng Zhou ,  Yuefeng Chen ,  Yijun Shi

    IPC分类号： H04J1/00

    CPC分类号： H04W56/00 ,  H04B1/70752 ,  H04J11/0076 ,  H04L27/2613 ,  H04L27/2656

    摘要： The present invention discloses a method for joint secondary synchronization signal detection and frame timing synchronization, including: (1) generating local secondary synchronization sequences SSC1—n and SSC2—n according to a sector number of a cell group; (2) converting a received time domain signal to a frequency domain signal to obtain secondary synchronization signals S1 and S2 to be detected; (3) performing inner product operation to obtain P1—n=P1—n−1+[S1,SSC1—n]+[S2,SSC2—n], and P2—n=P2—n−1+[S1,SSC2—n]+[S2,SSC1—n]; (4) selecting the maximum value P of absolute values of correlation values in the P1—n and P2—n, and judging whether the maximum value P is greater than a preset threshold Tmax, (5) if yes, taking the index of the maximum value P as an ID number of the cell group, or else, further carrying out step (2), and then further carrying out step (3).

    摘要翻译： 本发明公开了一种联合二次同步信号检测和帧定时同步的方法，包括：（1）根据小区组的扇区号生成本地辅同步序列SSC1-n和SSC2-n; （2）将接收到的时域信号转换为频域信号，以获得待检测的次同步信号S1和S2; （3）执行内积运算以获得P1-n = P1-n-1 + [S1，SSC1-n] + [S2，SSC2-n]和P2-n = P2-n-1 + [S1，SSC2 -n] + [S2，SSC1-n]; （4）选择P1-n和P2-n中的相关值的绝对值的最大值P，以及判断最大值P是否大于预设阈值Tmax;（5）如果是，则以 最大值P作为单元组的ID号，否则进一步执行步骤（2），然后进一步执行步骤（3）。