Oil film on water. The colors are due to cancellation of some wavelengths. https://en.wikipedia.org/wiki/Thin-film_interference
From: Steve Jones Sent: Wednesday, September 27, 2017 9:05 PM To: [email protected] Subject: Re: [AFMUG] Multipath fading for a laymen (visuals please) Ductings easy, i can put it through a duct, if need be i make a duct out of ice to show the temp and humidity. I can show noise with a bright light close and dim light far But how do i replicate cancellation. I assume water, but timing the ripples might be an issue. Anybody have a reflective ripple cancellation to still water video? That would be the bees knees. On Sep 27, 2017 10:00 PM, "Josh Reynolds" <[email protected]> wrote: "Sometimes the wind blows and the leaves move. This changes where the light moves." Almost everything in RF can be visualized with light. Some things are harder than others (ducting for example). On Sep 27, 2017 9:49 PM, "Steve Jones" <[email protected]> wrote: Laymen, laymen, laymen. How do i visualize the fact that the same thing at the same level, can cancel itself out? Beyond that, how do i show the variance factors, temp, humidity, radio mites? Even better would be a live display of reasonable things they understand. My old man would be easy. Id smash his right index finger, then smash his left, hed understand because his right finger quit hurting so much. But i assume the soft people of today that wont work, theyll just talk about how bith fingers hurt On Sep 27, 2017 9:41 PM, "Jaime Solorza" <[email protected]> wrote: Use an adjustable beam version...good way to visualize On Sep 27, 2017 8:28 PM, "Josh Reynolds" <[email protected]> wrote: Shine a flashlight through a bush. If you're lucky sometimes the light reflects off multiple leaves onto roughly the same spot. (Constructive reflection) On Sep 27, 2017 8:43 PM, "Steve Jones" <[email protected]> wrote: I have a location thats solely down to multipath reflective fading. The best analogy i have is noise cancelling headphones, which makes total sense to me... but still the same dull look. Is there aome rf for dummies visuals?
