obspy.signal.util.stack¶

stack(data, stack_type='linear')[source]¶

Stack data by first axis.

Parameters:	stack_type (str or tuple) Type of stack, one of the following: `'linear'`: average stack (default), `('pw', order)`: phase weighted stack of given order (see [Schimmel1997], order 0 corresponds to linear stack), `('root', order)`: root stack of given order (order 1 corresponds to linear stack).