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Lines Matching defs:phi

29  * ω and φ such that f (t) = a cos (ω t + φ).
36  *     where S (t) = sin (2 (ω t + φ)) / (2 ω)
113  * <p>It appears that <code>fc = a &omega; cos (&phi;)</code> and
114  * <code>fs = -a &omega; sin (&phi;)</code>, so we can use these
115  * expressions to compute &phi;. The best estimate over the sample is
138     /** Guessed phase &phi;. */
139     private double phi;
248     /** Estimate a first guess of the &phi; coefficient.
275         phi = FastMath.atan2(-fsMean, fcMean);
293     /** Get the guessed phase &phi;.
294      * @return guessed phase &phi;
297         return phi;