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    • 7. 发明申请
    • PRECISION MEASUREMENT OF WAVEFORMS
    • 波形精度测量
    • WO2011059432A1
    • 2011-05-19
    • PCT/US2009/064120
    • 2009-11-12
    • PAUL REED SMITH GUITARS LIMITED PARTNERSHIPSMITH, Paul, ReedSLAY, Frederick, M.
    • SMITH, Paul, ReedSLAY, Frederick, M.
    • G01R13/00
    • G10L25/00G01R23/16G06F17/14G10H1/0008G10H2210/066G10H2250/235G10L25/18
    • A machine-implemented method for computerized digital signal processing, comprising: obtaining a digital signal from data storage or from conversion of an analog signal; and determining, from the digital signal, measuring matrices. Each measuring matrix has a plurality of cells, each cell having an amplitude corresponding to the signal energy in a frequency bin for a time slice. Cells in each measuring matrix having maximum amplitudes along a time slice and/or frequency bin are identified as maximum cells. Maxima that coincide in time and frequency are identified and a correlated maxima matrix, called a "Precision Measuring Matrix" is constructed showing the coinciding maxima and the adjacent marked maxima are linked into partial chains. If only one MM is constructed, multiple types of maxima are identified to generate the Precision Measuring Matrix.
    • 一种用于计算机化数字信号处理的机器实现方法,包括:从数据存储或从模拟信号的转换获得数字信号; 以及从数字信号确定测量矩阵。 每个测量矩阵具有多个单元,每个单元具有对应于时间片的频率仓中的信号能量的振幅。 具有沿着时间片和/或频率仓的最大幅度的每个测量矩阵中的单元被识别为最大单元。 识别在时间和频率上重合的最大值,并且构造了称为“精确测量矩阵”的相关最大值矩阵,其示出了一致的最大值,并且相邻的标记最大值被链接到部分链中。 如果仅构建一个MM,则识别出多种类型的最大值以生成精度测量矩阵。