I want to solve the windowing functions written in postgresSQL by using R language. As I know, R has aggregate() to calculate group wise data. ... <看更多>

Introduction to Stream Analytics windowing functions. In time-streaming scenarios, performing operations on the data contained in temporal windows is a ... ... <看更多>

They do "distort" the signal, as you noted. Multiplying by a window function does not "retain" the spectrum of the original signal. ... <看更多>