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Table 1 Products of Temporal Fourier Analysis obtained from a single variable

From: Monthly variation in the probability of presence of adult Culicoides populations in nine European countries and the implications for targeted surveillance

Fourier component Description
A0 Fourier mean for the entire time series
A1 Amplitude of annual cycle
A2 Amplitude of bi-annual cycle
A3 Amplitude of tri-annual cycle
P1 Phase of annual cycle
P2 Phase of bi-annual cycle
P3 Phase of tri-annual cycle
DA Proportion of total variance due to all three cycles
D1 Proportion of total variance due to annual cycle
D2 Proportion of total variance due to bi-annual cycle
D3 Proportion of total variance due to tri-annual cycle
MN Minimum value
MX Maximum value
VR Total variance
  1. Each product corresponds to a raster image (1 km2 resolution) derived from a single environmental variable (for instance, NDVI)