TimeSignals.py 文件源码

def fillCos( A = 1.0, T = 10. , tMin = 0. , tMax = 50. , n = 200) :
   """ for testing purpose, fill signal with a cosine """
   xAxis = np.linspace( tMin , tMax , n )
   data = np.zeros( (n,2) )
   data[:,0] = A * np.cos(2*pi*xAxis/T)
   data[:,1] = A * np.sin(2*pi*xAxis/T)
   return  pd.DataFrame( data=data , index = xAxis  , columns =  [ "Cos" , "Sin" ]  )