46 lines
1.1 KiB
Python
46 lines
1.1 KiB
Python
import numpy as np
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def GaussExpo(x, Peak, l, w):
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sigma = 1/w
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res1 = Peak * np.exp(-(x**2)/(2 * sigma**2))
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peakX = np.argmax(res1)
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res1 = res1[:peakX]
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res2 = Peak * np.exp(-l * x[peakX:])
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return np.append(res1, res2)
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def getFlareRange(flux, peakIndex):
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minInd = -np.inf
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maxInd = np.inf
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maxDelta = 0.005
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meanVal = 1
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maxBacklog = 20
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maxForwardlog = 100
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deltaCount = 0
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delta = 100
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prevFlux = flux[peakIndex]
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for i in range(peakIndex-1, peakIndex - maxBacklog, -1):
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delta = prevFlux - flux[i]
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if(delta < maxDelta and abs(flux[i] - meanVal) < maxDelta):
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deltaCount += 1
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if(deltaCount > 3):
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minInd = i
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break
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prevFlux = flux[i]
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deltaCount = 0
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delta = 100
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prevFlux = flux[peakIndex]
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for i in range(peakIndex+1, peakIndex + maxForwardlog, 1):
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delta = prevFlux - flux[i]
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if(delta < maxDelta and abs(flux[i] - meanVal) < maxDelta):
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deltaCount += 1
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if(deltaCount > 3):
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maxInd = i
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break
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prevFlux = flux[i]
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return minInd, maxInd
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