On the filtering of nonstationary time series.
Series: Purdue Engineering Experiment Station. Research series,; no. 135
Publisher: Purdue University
Published: 1957
Place of publication: Lafayette, Ind
Language: eng
Number of pages: 57
Subjects: Time-series analysis.; Electric filters.
Notes: [Purdue University] Engineering bulletin.
Issued also in microfilm form in 1954 as thesis, Purdue University.