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    • 41. 发明申请
    • CORRELATION BETWEEN SETS OF DATA
    • WO2008064982A9
    • 2008-06-05
    • PCT/EP2007/062060
    • 2007-11-08
    • ADLER, JeremyPARMRYD, Ingela
    • ADLER, JeremyPARMRYD, Ingela
    • G06F17/15G02B21/00
    • The present invention relates to a method to perform an accurate correlation between a first set of data (1), collected from a first source (A1 ), and a second set of data (2), collected from a second source (A2), in the presence of noise in one or both of the first and second sets of data (1, 2). The present invention specifically teaches that a third set of data (3) is collected from the first source (A1) under the same conditions as the conditions of the collection of the first set of data (1), and that a fourth set of data (4) is collected from the second source (A2) under the same conditions as the conditions of the collection of the second set of data (2). A measured correlation value (rm) between data collected from the first source (A1 ) and the second source (A2) is taken as one of the correlation measurements out of the possible combinations of the first and second set of data (r12), the first and fourth set of data (r14), the third and second set of data (r32) and the third and fourth set of data (r34). A correction value (C12) is calculated based on a correlation measurement between the first and third set of data (r13) and a correlation measurement between the second and fourth set of data (r24) according to the expression: (Formula (I)).This correction value (C12) is applied to the measured correlation value (rm) resulting in a corrected correlation value rc = rm x C12.
    • 44. 发明申请
    • DYNAMICALLY RECONFIGURABLE SHARED BASEBAND ENGINE
    • 动态可重新配置的共享基座发动机
    • WO2007022832A1
    • 2007-03-01
    • PCT/EP2006/006931
    • 2006-07-14
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.AL-ADNANI, Adnan
    • AL-ADNANI, Adnan
    • G06F17/14G06F17/15
    • G06F17/142G06F15/7867
    • A reconfigurable processing block for use in a communications system capable of supporting multiple communication formats. The reconfigurable processing block comprises a plurality of modular processing elements. The processing elements comprise a pn-code generating means, a twiddle factor generating means, coefficient memory means, input data memory means, output data memory means, delay means, complex multiply means, complex add means, complex subtract means and control means which controls how the processing elements are interconnected. The controlling means is arranged such that it controls the reconfigurable processing block so that it selectively implements one of a radix-2 butterfly core, a pn-correlator, an auto-correlator and a complex adder.
    • 一种用于能够支持多种通信格式的通信系统中的可重构处理块。 可重构处理块包括多个模块化处理元件。 处理单元包括pn码产生装置,旋转因子产生装置,系数存储装置,输入数据存储装置,输出数据存储装置,延迟装置,复数乘法装置,复数加法装置,复数减法装置和控制装置 处理元件如何互连。 控制装置被布置成使得其控制可重新配置的处理块,使得其选择性地实现二进制2蝶形核,pn相关器,自相关器和复数加法器之一。
    • 45. 发明申请
    • ECHO DELAY DETECTOR
    • ECHO延迟检测器
    • WO2006129060A3
    • 2007-01-18
    • PCT/GB2006001858
    • 2006-05-19
    • TECTEON PLCAHMADI MASOUD
    • AHMADI MASOUD
    • H04B3/23G06F17/15
    • H04B3/23
    • An echo detector has a correlator for correlating between an incoming signal and an echo signal, the correlator being arranged to operate recursively, the detector being arranged to detect the echo and the length of its delay from peaks in the correlation. Recursive operation means the computational load can drop from being proportional to N*N, to being proportional to 2N, where N is a number of samples in a correlation window. It also reduces computation delay. A filter at the inputs of the correlator suppresses low frequencies corresponding to the strongest components of pitch in human speech. Such filtering can remove periodic components which can mask a distinct peak of an echo. A classifier thresholds a ratio of highest and next highest correlation peaks beyond a time margin around the highest correlation peak, to reduce erroneous detections. It can classify two or more ratios simultaneously as distinct echoes.
    • 回波检测器具有用于在输入信号和回波信号之间进行相关的相关器,所述相关器被布置为递归地操作,所述检测器被布置成从相关中的峰值中检测回波及其延迟的延迟长度。 递归操作意味着计算负载可以从N * N成正比,与2N成比例,其中N是相关窗口中的样本数。 它还减少了计算延迟。 在相关器的输入处的滤波器抑制对应于人类语音中音调的最强分量的低频。 这种过滤可以去除可以掩蔽回波的不同峰值的周期性成分。 分类器阈值超出最高相关峰值周围的时间边界之间的最高和次高相关峰值的比率,以减少错误检测。 它可以将两个或多个比率同时分类为不同的回波。
    • 47. 发明申请
    • PROCESSING A DATA WORD IN A PLURALITY OF PROCESSING CYCLES
    • 在多个加工循环中处理数据字
    • WO2006027638A1
    • 2006-03-16
    • PCT/IB2004/002915
    • 2004-09-08
    • NOKIA CORPORATIONHOFFMANN, Marc
    • HOFFMANN, Marc
    • G06F17/15
    • G06F17/15G01S19/37H04B1/7077H04B2201/70715
    • The invention relates to a processing of a data word in a plurality of processing cycles. In order to improve the efficiency of the processing, the data word is divided for each cycle into a plurality of successive data blocks. The blocks are shifted by one block from one cycle to the next. In each of the cycles, each of the successive blocks is processed in sequence. In the first cycle, the processing results for successive blocks are moreover stored in a memory at memory addresses which change uniformly from one processing result to the next. In each subsequent processing cycle, the processing results for the successive blocks of the subsequent cycle are combined with processing results stored in the memory during a preceding cycle at memory addresses which change uniformly from one processing result in the subsequent cycle to the next.
    • 本发明涉及多个处理周期中数据字的处理。 为了提高处理效率,将数据字划分成多个连续的数据块。 块从一个周期向下移动一个块。 在每个循环中,顺序地处理每个连续的块。 在第一周期中,连续块的处理结果还存储在存储器地址中,这些存储器地址从一个处理结果到下一个处理结果均匀地变化。 在每个随后的处理周期中,将后续周期的连续块的处理结果与前一周期中存储在存储器中的处理结果相结合,这些存储器地址从后续周期中的一个处理结果均匀地变化到下一个周期。
    • 48. 发明申请
    • SHAPE OPTIMIZATION TO SOLVE INVERSE PROBLEMS AND CURVE/MODEL FITTING PROBLEMS
    • 形状优化来解决反向问题和曲线/模型拟合问题
    • WO2004034022A3
    • 2005-12-15
    • PCT/US0331952
    • 2003-10-08
    • UNIV CASE WESTERN RESERVEGRATZL MIKLOSNAIR SUMITHA
    • GRATZL MIKLOSNAIR SUMITHA
    • G01N33/487G06F17/15G06F17/17G06F19/00
    • G06F17/11G01N33/48728
    • A method for solving deconvolution problems where it is desired to reconstruct a signal over a time range or another variable of interest involves comparing shapes of measured and reconstructed plots. The optimization method is based on minimizing the error in shape (as opposed to the square errors in amplitude). A shape approach method characterizes similarity of two functions: by computing the angle between the two when they are treated as two vectors in the n dimensional space where n is the number of data points it is desired to consider from both functions (the functions themselves may consist of more than n data points). A new approximation is then created by trying to decrease the disimilarity between the actual and predicted functions. This dissimilarity is measured as the angle between the two corresponding vectors, so the measure of dissimilarity is the size of the angle. A much closer matching between the reconstructed plot and what may be expected in practice (Fig. 13) is achieved with this method than is conventionally achieved with least squares or Fourier transform methods.
    • 一种解决反卷积问题的方法,其中希望在时间范围或另一个感兴趣的变量上重构信号涉及比较测量和重建图形的形状。 优化方法基于最小化形状误差(与振幅的平方误差相反)。 形状方法方法表征两个函数的相似度:通过计算两个角度在二维空间中被视为两个向量时的角度,其中n是要从两个函数考虑的数据点的数量(函数本身可以 由超过n个数据点组成)。 然后通过尝试减少实际功能和预测功能之间的不相似性来创建一个新近似值。 这种不相似性被测量为两个相应向量之间的角度,因此不相似性的度量是角度的大小。 使用该方法,可以通过使用最小二乘法或傅立叶变换方法实现的方法来实现重建图和实际中可预期的更接近的匹配(图13)。