The 4.2-litre engine from the factory had unsmoothed steps between the inlet manifold and head, and the manifold gaskets were not a good match for the inlet ports.
2.
If you want to find peaks in the unsmoothed data, I would use the following definition : a peak is a point that is higher than any point within N bins in either direction.
3.
After the war, he worked on the theory and practice of time series analysis, and conclusively demonstrated ( with the meager computing resources available at the time ) that unsmoothed sample periodograms were unreliable estimators for the population spectrum.
4.
They also point out that Lockwood and Fr�hlich present their data by using running means of around 10 years, which creates the illusion of a continued temperature rise, whereas all unsmoothed data point to a flattening of the temperature, coincident with the present maxing out of the magnetic activity of the Sun, and which the continued rapid increase in CO 2 concentrations seemingly has been unable to overrule.
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