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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)