periodogram
- noun
- /ˌpɪəriəˈɡræm/
- Specialized
:
periodograma
- Researchers often use a periodogram to visualize the strength of different frequencies in their analytical studies.
Examples
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Information from the periodogram was used to construct a tentative regression model.
Academic text (1995) -
A clear periodogram can help identify periodic components in time series data, making analysis more straightforward.
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As a first step, the periodogram of the data values was calculated using the BMDP program IT.
Academic text (1995) -
Because there seemed to be an increasing trend in calls over the two years, the data were detrended before we calculated the periodogram.
Academic text (1995) -
For our data (2 years), the periodogram fit sinusoids whose periods were integer fractions of 735 days.
Academic text (1995) -
The periodogram revealed distinct frequency patterns that helped us analyze the signal data more effectively.
Synonyms
131
2.8
A diagram that shows data using lines, bars, or dots
36
3.6
A graph that shows how numbers change over time
1
8.3
A picture that shows how loud high and low sounds are over time
Surface Forms
Morphology
Etymology
Periodogram comes from period 'a cycle' or 'repeat' and -gram 'a written or drawn thing', the same -gram in diagram, so a periodogram is a drawn picture that shows the cycles or repeating frequencies in data.