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/cts/apps/CtsVerifier/src/com/android/cts/verifier/audio/
DWavAnalyzer.java159 Complex fourierCoeff = new Complex(0, 0); in measurePipStrength() local
164 fourierCoeff = fourierCoeff.add(phasor.multiply(noisePoints[j])); in measurePipStrength()
167 fourierCoeff = fourierCoeff.multiply(1.0 / noisePoints.length); in measurePipStrength()
168 noisePower[i][s] = fourierCoeff.multiply(fourierCoeff.conjugate()).abs(); in measurePipStrength()
196 Complex fourierCoeff = new Complex(0, 0); in measurePipStrength() local
201 fourierCoeff = fourierCoeff.add(phasor.multiply(pipPoints[j])); in measurePipStrength()
204 fourierCoeff = fourierCoeff.multiply(1.0 / pipPoints.length); in measurePipStrength()
207 fourierCoeff.multiply(fourierCoeff.conjugate()).abs(); in measurePipStrength()