Monthly Archives: November 2014

Energy – A family history

I’ve dipped into history for several posts and after some random research, a pattern seemed to be emerging.  I take the view that technology evolves and allows you to break with the past, however, the past delivered you to the … Continue reading

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Soil and Satellites

Recently I’ve started exploring satellite data, mainly to learn about the distribution of clouds.  The NASA Earth Observation site (NEO) is a great resource learning about the atmosphere, solar insolation, land cover and much else (there is a link at … Continue reading

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Cross Correlation – Clear Sky Detection

Auto correlation and cross correlation can both be used to extract information from a time series.   In auto correlation, two datasets, say x and y are created from a single stream/source, but separated by a time lag appropriate to the … Continue reading

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