Sentence examples for term periodicity from inspiring English sources

By contrast, [6] argued strongly against the notion that fluctuations in the abiotic environment could produce such long term periodicity.

[8] provided a detailed review of periodicity in the geological and paleontological records; [7], [8] endorsed the notion that cyclical fluctuations in the physical environment, including changes in climate, were driving long term periodicity in the fossil record.

For short term, periodicities of ∼21 23, ∼31 and ∼37 days were found in power spectrum.

Using data from the All Sky Monitor (ASM) on the Rossi X-ray Timing Explorer (RXTE), we have searched for long term periodicities in the X-ray flux of GX 1+4, Sco X-2 (GX 349+2), and GX 339−4.

However the statistical significance of the periodic components underscore that monthly risk (and hence the monthly reported cases) have multiple long term periodicities and further research is needed to understand if there are socio-economic factors influencing these periodic effects.

Note that this relationship does not describe these functions in total, merely the behavior of their most significant long-term periodicity.

The first high significance detection of long-term periodicity in the fossil record is fairly recent [1], based on marine fossil biodiversity over ∼500 My.

Pertussis incidence displays long-term periodicity [ 25].

Of particular interest are the mid-term periodicities (1 2 yrs).

The method reveal the rotational and other mid-term periodicities in the extracted time series across solar cycle 23.

By using wavelet transform (WT) some typical mid-term periodicities of PMF are identified, such as 1.38-year, 332-, 275- and 158-day periods.