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    • 3. 发明授权
    • Processing samples of a received RF signal
    • 处理接收的RF信号的样本
    • US09054856B2
    • 2015-06-09
    • US13982317
    • 2011-02-07
    • Fabio BelloniVille RankiAndreas RichterNeelabh Kashyap
    • Fabio BelloniVille RankiAndreas RichterNeelabh Kashyap
    • H04L7/00H04L7/04G01S3/46H04B7/08H04L27/26
    • H04L7/042G01S3/46H04B7/0822H04B7/0842H04L27/2659H04L27/2676
    • An exemplary apparatus includes: means configured to obtain a set of plural samples of signals, the set comprising at least one sample for each of L antenna elements of a receiver, where L is an integer greater than two and where the samples are of an RF signal that has been downconverted by a downconversion frequency; means configured, for each antenna element, to perform autocorrelation on the samples relating to that antenna element; means configured to sum the results of autocorrelation for all antenna elements; means configured to convert the summed results into the frequency domain; means configured to determine a maximum value of the summed results in the frequency domain; and means configured to use the determined maximum value to provide an output indicative of an offset between a carrier of the RF signal and the downconversion frequency.
    • 示例性装置包括:被配置为获得一组多个信号样本的装置,该组包括接收机的L个天线元件中的每一个的至少一个样本,其中L是大于2的整数,并且样本是RF 信号已被下转换频率下变频; 为每个天线元件配置的对与该天线元件相关的样本执行自相关的装置; 用于对所有天线元件的自相关结果求和的装置; 被配置为将求和结果转换成频域的装置; 用于确定所述频域中求和结果的最大值的装置; 以及被配置为使用所确定的最大值来提供指示RF信号的载波与下变频频率之间的偏移的输出的装置。
    • 4. 发明申请
    • Processing Samples of a Received RF Signal
    • 处理接收RF信号的样本
    • US20130315353A1
    • 2013-11-28
    • US13982317
    • 2011-02-07
    • Fabio BelloniVille RankiAndreas RichterNeelabh Kashyap
    • Fabio BelloniVille RankiAndreas RichterNeelabh Kashyap
    • H04L7/04
    • H04L7/042G01S3/46H04B7/0822H04B7/0842H04L27/2659H04L27/2676
    • Apparatus comprises: means configured to obtain a set of plural samples of signals, the set comprising at least one sample for each of L antenna elements of a receiver, where L is an integer greater than two and where the samples are of an RF signal that has been downconverted by a downconversion frequency; means configured, for each antenna element, to perform autocorrelation on the samples relating to that antenna element; means configured to sum the results of autocorrelation for all antenna elements; means configured to convert the summed results into the frequency domain; means configured to determine a maximum value of the summed results in the frequency domain; and means configured to use the determined maximum value to provide an output indicative of an offset between a carrier of the RF signal and the downconversion frequency. Another apparatus comprises: means configured to obtain a set of plural samples of signals, the set comprising k samples for each of L antenna elements of a receiver, where L is an integer greater than two and where the samples are of an RF signal that has been downconverted by a downconversion frequency; means configured, for each antenna element, to convert vectors provided by the samples relating to that antenna element into frequency domain vectors and to square the frequency domain vectors; means configured to sum the squared frequency domain vectors for all antenna elements; means configured to determine a maximum value of the summed results in the frequency domain; and means configured to use the determined maximum value to provide an output indicative of an offset between a carrier of the RF signal and the downconversion frequency.
    • 装置包括:被配置为获得一组多个信号样本的装置,所述装置包括接收机的L个天线元件中的每一个的至少一个样本,其中L是大于2的整数,并且样本是RF信号, 已下调转换频率; 为每个天线元件配置的对与该天线元件相关的样本执行自相关的装置; 用于对所有天线元件的自相关结果求和的装置; 被配置为将求和结果转换成频域的装置; 用于确定所述频域中求和结果的最大值的装置; 以及被配置为使用所确定的最大值来提供指示RF信号的载波与下变频频率之间的偏移的输出的装置。 另一装置包括:被配置为获得一组多个信号样本的装置,该组包括接收机的L个天线元件中的每一个的k个样本,其中L是大于2的整数,并且其中样本是具有 被下转换频率下转换; 用于每个天线元件的装置将由与该天线元件相关的样本提供的矢量转换成频域矢量并平方频域矢量; 用于对所有天线元素求平均频域矢量的装置; 用于确定所述频域中求和结果的最大值的装置; 以及被配置为使用所确定的最大值来提供指示RF信号的载波与下变频频率之间的偏移的输出的装置。
    • 10. 发明申请
    • AUTONOMOUS EXPERIMENTAL DESIGN OPTIMIZATION
    • 自动实验设计优化
    • US20100305925A1
    • 2010-12-02
    • US10456179
    • 2003-06-05
    • Bernhard A. SendhoffEdgar KornerAndreas Richter
    • Bernhard A. SendhoffEdgar KornerAndreas Richter
    • G06G7/48
    • G06F17/5095G06F2217/08G06F2217/16Y02T10/82
    • Iterative (nondeterministic) optimization of aerodynamic and hydrodynamic surface structures can be accomplished with a computer software program and a system using a combination of a variable encoding length optimization algorithm based on an evolution strategy and an experimental hardware set-up that allows to automatically change the surface properties of the applied material, starting with the overall shape and proceeding via more detailed modifications in local surface areas. The optimization of surface structures may be done with a computing device for calculating optimized parameters of at least one (virtual) surface structure, an experimental hardware set-up for measuring dynamic properties of a specific surface structure, and an interface for feeding calculated parameters from the computing device to the experimental set-up and for feeding measured results back to the computing device as quality values for the next cycle of the optimizing step.
    • 空气动力学和流体动力学表面结构的迭代(非确定性)优化可以通过计算机软件程序和使用基于进化策略的可变编码长度优化算法和实验硬件设置的组合来实现,该实验硬件设置允许自动改变 应用材料的表面性质,从总体形状开始,并通过局部表面积的更详细的修改进行。 可以用用于计算至少一个(虚拟)表面结构的优化参数的计算装置,用于测量特定表面结构的动态特性的实验硬件设置以及用于从 计算设备到实验设置并将测量结果馈送回计算设备作为优化步骤的下一循环的质量值。