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Mathematics
Quick fact
Cross-correlation is used in GPS receivers to find the exact time delay of satellite signals, allowing your phone to pinpoint your location to within meters.
Why this is interesting
You know how you can recognize a friend's voice in a noisy crowd? Cross-correlation analysis works similarly—it can find a known pattern hidden inside a long, messy signal. But how does it 'listen' for the pattern?
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Subjects · study & training · careers
Choose something you are considering. FACTREE will give you a clear picture of what it contains, how its main parts connect and where it could lead.
This private catalogue connects 31 subjects, study routes and careers across six broad areas. Public Maps and learner routes remain off.
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Open a subject to see its complete shape at a glance. You can always return here and choose something else.
See what programming involves, how its main areas connect, and whether you find the knowledge interesting enough to take it further.
Structuring the Programming Map…
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Move from the one-screen overview into all 19 areas. Open any area, compare possible Paths and return to the overview whenever you want.
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