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    • 52. 发明申请
    • TOPICS IN RELEVANCE RANKING MODEL FOR WEB SEARCH
    • 用于网络搜索的相关排名模式的主题
    • US20120030200A1
    • 2012-02-02
    • US13271638
    • 2011-10-12
    • Qing YuJun XuHang Li
    • Qing YuJun XuHang Li
    • G06F17/30
    • G06F17/30864
    • Described is a technology by which topics corresponding to web pages are used in relevance ranking of those pages. Topics are extracted from each web page of a set of web pages that are found via a query. For example, text such as nouns may be extracted from the title, anchor texts and URL of a page, and used as the topics. The extracted topics from a page are used to compute a relevance score for that page based on an evaluation of that page's topics against the query. The pages are then ranked relative to one another based at least in part on the relevance score computed for each page, such as by determining a matching level for each page, ranking pages by each level, and ranking pages within each level. Also described is training a model to perform the relevance scoring and/or ranking.
    • 描述了一种技术,通过该技术将与网页相对应的主题用于那些页面的相关性排名。 从通过查询找到的一组网页的每个网页中提取主题。 例如,可以从标题,锚文本和页面的URL中提取诸如名词的文本,并且用作主题。 从页面提取的主题用于根据对该页面的主题对查询的评估来计算该页面的相关性分数。 这些页面至少部分地基于针对每个页面计算的相关性分数相对于彼此进行排名,例如通过确定每个页面的匹配级别,按各级别排序页面以及在每个级别内对页面进行排序。 还描述了训练模型以执行相关性评分和/或排名。
    • 56. 发明申请
    • Coding method, coding device, decoding method and decoding device for low density generator matrix code
    • 编码方法,编码装置,低密度发生器矩阵码的解码方法和解码装置
    • US20100257427A1
    • 2010-10-07
    • US12746181
    • 2008-02-21
    • Jin XuJun XuZhifeng YuanYuanli FangSong LiLiujun Hu
    • Jin XuJun XuZhifeng YuanYuanli FangSong LiLiujun Hu
    • H03M13/05G06F11/10
    • H03M13/116H03M13/118H03M13/6362H03M13/6516
    • The present invention discloses a coding method, a coding device, a decoding method and a decoding device for low density generator matrix codes. Wherein the coding method includes: constructing the mother code set of the low density generator matrix code using P low density generator matrix codes of different code lengths at a code rate R0, wherein the mother code set of the low density generator matrix code has a uniform basic matrix Gbuniform, R 0 = k b n b , where kb is the row number of the basic matrix and nb is the column number of the basic matrix; obtaining the length L of an intermediate variable according to the relationship between the length K of the information bit sequence to be coded in the mother code set of the low density generator matrix code and the length L of the intermediate variable; obtaining an expansion factor zk for processing the basic matrix using the length L of the intermediate variable and the row number kb of the basic matrix, and obtaining a generator matrix Gldgc, by modifying and expanding the basic matrix using the expansion factor zk; and coding the information bit sequence to be coded using a matrix Gldgc(1:L,1:N+L−K) comprised of L rows and the first N+L−K columns of the generator matrix.
    • 本发明公开了一种用于低密度发生器矩阵码的编码方法,编码装置,解码方法和解码装置。 其编码方法包括:以码率R0,利用不同码长的P个低密度发生器矩阵码构造低密度发生器矩阵码的母码组,其中低密度发生器矩阵码的母码组具有均匀 基本矩阵Gbuniform,R 0 = kbnb,其中kb是基本矩阵的行号,nb是基本矩阵的列数; 根据低密度发生器矩阵码的母码组中的要编码的信息比特序列的长度K与中间变量的长度L之间的关系,获得中间变量的长度L; 通过使用中间变量的长度L和基本矩阵的行数kb来获得用于处理基本矩阵的扩展因子zk,并且通过使用扩展因子zk修改和扩展基本矩阵来获得生成矩阵Gldgc; 并使用由L行构成的矩阵Gldgc(1:L,1:N + L-K)对发生器矩阵的第一N + L-K列进行编码的信息位序列进行编码。
    • 60. 发明授权
    • System and method for controlling radio frequency transmissions from an electronic device
    • 用于控制来自电子设备的射频传输的系统和方法
    • US07724084B2
    • 2010-05-25
    • US11627115
    • 2007-01-25
    • Lizhong ZhuGeorge MankaruseMichael CorriganJun XuKent Nickerson
    • Lizhong ZhuGeorge MankaruseMichael CorriganJun XuKent Nickerson
    • H03F1/00H03F3/04
    • H03F3/191H03F1/565H03F3/189H05K1/0231H05K1/0233H05K1/0296
    • The invention relates to a system and method for attenuating harmonics in output signals. In the system, an electronic circuit for reducing harmonics of an output signal from a power amplifier in a transmission circuit for a wireless communication device is provided. The circuit comprises: a printed circuit board (PCB); a power amplifier for generating an output signal; and a circuit implemented on the PCB connected to an output terminal of the power amplifier for the output signal. The circuit comprises a first filtering stage; a delay element; and a harmonic filter. The delay element is located between the harmonic filter and the output terminal and the delay element provides a timing delay in the output signal through at least one 0 ohm-rated component. Also, the harmonic filter is a low pass filter having a frequency cut-off point that attenuates first order harmonics of the output signal.
    • 本发明涉及用于衰减输出信号中的谐波的系统和方法。 在该系统中,提供了用于降低无线通信装置的发送电路中的来自功率放大器的输出信号的谐波的电子电路。 该电路包括:印刷电路板(PCB); 用于产生输出信号的功率放大器; 以及在PCB上实现的电路,连接到功率放大器的输出端用于输出信号。 该电路包括第一滤波级; 延迟元件 和谐波滤波器。 延迟元件位于谐波滤波器和输出端子之间,延迟元件通过至少一个0欧姆额定分量在输出信号中提供定时延迟。 此外,谐波滤波器是具有衰减输出信号的一阶谐波的频率截止点的低通滤波器。