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    • 1. 发明申请
    • METHOD OF, AND APPARATUS FOR, FULL WAVEFORM INVERSION
    • 全波变换的方法和装置
    • WO2013093467A1
    • 2013-06-27
    • PCT/GB2012/053197
    • 2012-12-20
    • SHAH, Nikhil KooleshGUASH, LluisWARNER, MikeYAO, GangLAKSHMINARAYANAN, SainathUMPLEBY, Adrian
    • SHAH, Nikhil KooleshGUASH, LluisWARNER, MikeYAO, GangLAKSHMINARAYANAN, SainathUMPLEBY, Adrian
    • G01V1/28
    • G01V1/282G01V2210/43G01V2210/614
    • There is provided a method for subsurface exploration. The method comprises generating a geophysical representation of a portion of the volume of the Earth from a seismic measurement. The method comprises: providing, from said seismic measurement, a measured seismic data set obtained from said portion of the volume of the Earth, the measured seismic data set comprising measured time-domain values of at least one physical parameter measured at a plurality of discrete data points; generating, using a subsurface model of a portion of the Earth, at least one modelled seismic data set comprising modelled time-domain values of at least one physical parameter at the same plurality of discrete data points; applying a time-domain window to said modelled time-domain values of said modelled seismic data set to generate a windowed modelled seismic data set; performing a Fourier transform on said windowed modelled seismic data set to obtain windowed modelled values taken at one or more selected frequencies, said windowed modelled values comprising amplitude and phase components; applying a time-domain window to said measured time-domain values of said measured seismic data set to generate a windowed measured seismic data set; performing a Fourier transform on said windowed seismic measured data set to obtain windowed measured values taken at one or more selected frequencies, said windowed measured values comprising amplitude and phase components; calculating, from the phase component of said windowed measured values and the phase component of said windowed modelled values, the unwrapped phase residual at said one or more selected frequencies, the unwrapped phase residual of a discrete data point comprising the mismatch between the phase of the windowed measured values and the windowed modelled values of the at least one physical parameter for that discrete data point; generating an unwrapped phase residual data set at said one or more selected frequencies and for said at least one physical parameter; minimising the value of the unwrapped phase residual data set to produce an updated subsurface model; and providing an updated model for subsurface exploration.
    • 提供了一种地下勘探方法。 该方法包括从地震测量产生地球体积的一部分的地球物理表示。 该方法包括:从所述地震测量提供从所述地球体积的所述部分获得的测得的地震数据集,所述测得的地震数据组包括在多个离散点处测量的至少一个物理参数的测量时域值 数据点; 使用地球的一部分的地下模型生成至少一个建模的地震数据集,其包括在相同多个离散数据点处的至少一个物理参数的建模的时域值; 将时域窗口应用于所述建模的地震数据集的所述建模的时域值,以产生加窗建模的地震数据集; 对所述窗口建模的地震数据集执行傅里叶变换以获得在一个或多个所选频率处获取的窗口建模值,所述窗口建模值包括振幅和相位分量; 将时域窗口应用于所述测量的地震数据集的测量时域值,以产生加窗测量的地震数据集; 对所述窗口化的地震测量数据集进行傅立叶变换以获得在一个或多个所选频率处获取的窗口测量值,所述窗口测量值包括振幅和相位分量; 从所述加窗的测量值的相位分量和所述加窗的建模值的相位分量计算在所述一个或多个所选频率处的展开相位残差,离散数据点的展开相位残差包括: 窗口测量值和该离散数据点的至少一个物理参数的窗口建模值; 在所述一个或多个选定频率和所述至少一个物理参数上产生展开相位残差数据集; 最小化展开相位残差数据集的值以产生更新的地下模型; 并提供更新的地下勘探模型。
    • 8. 发明申请
    • STEP-DIMMING SOLUTION FOR LAMP BALLAST
    • 步进式灯泡解决方案
    • WO2013082746A1
    • 2013-06-13
    • PCT/CN2011/083486
    • 2011-12-05
    • GENERAL ELECTRIC COMPANYYAO, GangZHANG, TingZHANG, Bo
    • YAO, GangZHANG, TingZHANG, Bo
    • H05B41/295
    • H05B41/2856H05B41/2926
    • A ballast for operating a plurality of parallel fluorescent lamps includes an inverter, coupled to a DC input, and configured to produce an inverter output voltage to power the plurality of parallel fluorescent lamps. A plurality of ballasting capacitors are individually coupled in series between the inverter output voltage and a corresponding one of the plurality of fluorescent lamps. A voltage regulator is coupled to the inverter and controls the inverter output at a generally constant operational voltage such that a lighted lamp remains lighted and an unlighted lamp remains unlighted. At least one dimming circuit is included and each included dimming circuit is operatively coupled to a corresponding ballasting capacitor and configured to receive a lamp control signal. Upon receiving the lamp control signal, each dimming circuit becomes operative to extinguish the corresponding lamp, and upon removal of the lamp control signal each dimming circuit becomes inoperative.
    • 用于操作多个并联荧光灯的镇流器包括耦合到DC输入并被配置为产生逆变器输出电压以对多个并联荧光灯供电的逆变器。 多个镇流电容器在逆变器输出电压和多个荧光灯中的相应一个之间串联地单独耦合。 电压调节器耦合到逆变器并以大致恒定的工作电压控制逆变器输出,使得点亮的灯保持点亮并且未点亮的灯保持不亮。 包括至少一个调光电路,并且每个调光电路都包括调光电路可操作地耦合到相应的镇流电容器并且被配置为接收灯控制信号。 在接收到灯控制信号时,每个调光电路都可操作以熄灭对应的灯,并且在去除灯控制信号时,每个调光电路变得不起作用。
    • 9. 发明申请
    • LAMP ASSEMBLY AND CIRCUITS FOR PROTECTION AGAINST MISWIRING IN A LAMP CONTROLLER
    • 灯管组件和电路防止灯泡控制器中的错误
    • WO2013019377A1
    • 2013-02-07
    • PCT/US2012/046438
    • 2012-07-12
    • GENERAL ELECTRIC COMPANYYAO, Gang
    • YAO, Gang
    • H05B41/285H05B41/292H05B41/298H05B33/08
    • H05B41/2981H05B41/2851H05B41/2921Y02B20/186Y02B20/208
    • An electronic circuit for use with a lamp controller includes a driver component and a voltage interface circuit powered by the driver component. The interface component delivers a low voltage power signal at a defined operating range via output lines to a downstream controller. A protection circuit is coupled with the voltage interface circuit. The protection circuit in one embodiment has an under-voltage switch disposed in one of the output lines and configured to open at a voltage less than the defined voltage range, and a blocking device disposed in the other output line and configured to block reverse power flow at a voltage above the defined voltage range. In another embodiment, the protection circuit has a first blocking device disposed in either one of the output lines to block reverse power flow to the voltage interface circuit, a PTC device disposed in either one of the output lines, and a second blocking device disposed across the output lines to protect the control circuit from a high voltage reverse polarity condition.
    • 用于灯控制器的电子电路包括由驱动器部件供电的驱动器部件和电压接口电路。 接口组件通过输出线将指定工作范围的低电压电源信号传送到下游控制器。 保护电路与电压接口电路耦合。 一个实施例中的保护电路具有设置在输出线之一中的欠电压开关,并被配置成以小于所定义的电压范围的电压进行打开,以及阻挡装置,设置在另一个输出线中并被配置为阻止反向功率流 电压高于规定的电压范围。 在另一个实施例中,保护电路具有设置在任一个输出线中的第一阻塞装置,以阻止到电压接口电路的反向功率流,设置在任一个输出线中的PTC装置,以及跨过 输出线保护控制电路免受高电压反极性的影响。