stationary (2) 썸네일형 리스트형 Definition of stationary singal Stationary Signals The first natural division of all signals is into either stationary or non-stationary categories. Stationary signals are constant in their statistical parameters over time. If you look at a stationary signal for a few moments and then wait an hour and look at it again, it would look essentially the same, i.e. its overall level would be about the same and its amplitude distribu.. Stationary process, Cyclostationary process 출처http://en.wikipedia.org/wiki/Stationary_processhttp://en.wikipedia.org/wiki/Cyclostationary_process Stationary process (정상성(고정) 프로세스) 수학과 통계에서, Joint probability distribution (결합확률분포)가 시간축에서 쉬프트되더라도 변하지 않는 확률 과정(stochestic process)을 말한다. 따라서 평균이나 분산과 같은 파라미터들이 존재한다면 시간이 지남에 따라 변하거나 어떠한 경향들(trends)을 따르지 않는다. 확률과정에 대해서는 다음의 블로그 참고할 것: http://enginius.tistory.com/489 Stationarity는 Time series ana.. 이전 1 다음
