Modulo Means (reprised)

In my previous post I had asked for some input on how to compute the mean of a phase comparator. Bruno Santiago suggested converting the phase readings to their Cartesian co-ordinates and averaging the resulting (X, Y) data, and then converting the means of X & Y back into a phase angle. Well kudos to […]

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Modulo means

Normally on this blog I’m either giving my opinions on embedded matters, or offering tips on how to do things better. Well today I’m turning the tables, as I’d like your help. Yesterday I ran into a rather perplexing problem, which I’d be interested to see if any of my readers can solve. In a […]

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Dogging your watchdog

Most embedded systems employ watchdog timers. It’s not my intention today to talk about why to use watchdog timers, or indeed how to use them. Rather I assume you know the answers to these questions. Instead, I’ll pass on some tips for how to track down those unexpected watchdog resets that can occur during the […]

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The Numbers Game- How we oversell the wrong properties and usability suffers

Engineers are always trying to improve the numbers that define our products, whether it be the number of pixels for a camera, or the pages-per-minute for a printer, or the resolution of an oscilloscope. Marketing will always seek to trump the competition by having a number that outstrips their rival, regardless of whether that number […]

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