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    • 5. 发明申请
    • AUTOMATIC FREQUENCY CONTROL METHODS AND APPARATUS
    • 自动频率控制方法和装置
    • WO2013044513A1
    • 2013-04-04
    • PCT/CN2011/080481
    • 2011-09-30
    • MOTOROLA SOLUTIONS, INC.YANG, JunRAO, YadunandanaWANG, JingWANG, SanshanXIAO, Li
    • YANG, JunRAO, YadunandanaWANG, JingWANG, SanshanXIAO, Li
    • H04L27/00
    • H03J7/02H04B1/0028H04B1/16H04L27/16
    • Embodiments include Direct-Conversion Receiver (DCR) apparatus, and methods for performing automatic frequency control based on a received signal. An initial frequency offset value is selected from a lookup table and applied to the receivers local oscillator. Digital samples are generated based on the received signal, and stored in a buffer in sequential order. A DC estimator performs multiple iterations of a DC component estimation process. The process includes iteratively applying an analysis window to more recently-stored, buffered samples, in order to identify a set of the buffered samples. Within the set of buffered samples, an intermediate value between the amplitudes of two samples is determined (e.g., samples having the largest and smallest amplitudes). Between at least some of the multiple iterations, the number of samples that defines the size of the analysis window is increased.
    • 实施例包括直接转换接收器(DCR)装置和基于接收信号进行自动频率控制的方法。 初始频率偏移值从查找表中选择并应用于接收机本地振荡器。 数字样本是根据接收到的信号产生的,并按顺序存储在缓冲器中。 DC估计器执行DC分量估计过程的多次迭代。 该过程包括将分析窗口迭代地应用于最近存储的缓冲样本,以便识别一组缓冲样本。 在缓冲样本集合内,确定两个样本的幅度之间的中间值(例如,具有最大和最小幅度的样本)。 在多个迭代中的至少一些之间,定义分析窗口的大小的样本数量增加。
    • 6. 发明申请
    • SELECTIVE DELIVERY OF CONTENT ITEMS
    • 选择性交付内容项目
    • WO2012134765A1
    • 2012-10-04
    • PCT/US2012/028356
    • 2012-03-08
    • GOOGLE INC.CHEN, KaiBENSON, Scott S.YANG, JunAGARWAL, AnuragGILPIN, ScottZHANG, FanMA, Sheng
    • CHEN, KaiBENSON, Scott S.YANG, JunAGARWAL, AnuragGILPIN, ScottZHANG, FanMA, Sheng
    • G06Q10/06G06Q30/02
    • G06Q10/06G06Q30/0241
    • Systems, methods, and computer programs encoded on a computer-readable storage medium for allocating a minimum number of impressions to a content item in order to satisfy a delivery goal for the content item during a certain period of time are described. In some implementations, a satisfaction index (SI) that reflects the degree to which a content selection service is on pace to meet a delivery goal for a content item within some period can be used. The SI can be used to compare the number of impressions that have been allocated to the content item thus far in a period to the delivery or allocation goal for the content item. A content selection service may determine scores for impression allocations based on both an estimate of value and the SI for a candidate content item in order to balance the goals of meeting delivery goals and optimizing impression inventory value.
    • 描述了在计算机可读存储介质上编码的系统,方法和计算机程序,用于向内容项目分配最少数量的展示以便在特定时间段内满足内容项目的传送目标。 在一些实施方案中,可以使用反映内容选择服务在某一时期内满足内容项目的递送目标的步骤的满足度指数(SI)。 SI可以用于将在一段时间内已分配给目标的内容项目的展示次数与内容项目的投放或分配目标进行比较。 内容选择服务可以基于候选内容项目的价值估计和SI来确定印象分配的分数,以便平衡满足递送目标和优化展示库存价值的目标。