发明名称 Low distortion frequency tracking technique
摘要 A technique for determining the characteristics of an oscillatory test signal includes acquiring a plurality of consecutive samples of a test signal. The samples are mathematically fit to a sinusoidal model, which specifies a plurality of equations. The equations have unknowns that represent characteristics of a sinusoid that substantially intersects the plurality of samples. Solving the equations for the unknowns reveals the test signal's short-term characteristics.
申请公布号 US2003101010(A1) 申请公布日期 2003.05.29
申请号 US20010995355 申请日期 2001.11.27
申请人 DIONNE GREGORY E. 发明人 DIONNE GREGORY E.
分类号 G01C21/00;G06F17/14;G06F19/00;(IPC1-7):G06F19/00 主分类号 G01C21/00
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