spectrum-matching
spectrum-matching


Author Comment Last activity Moderation
Herbalhillswellness "Very nice article..!!! Thanks for sharing. We offer the best Contract Manufacturing & Private Labelling Services in India and to 30 Countries W..." | Read more » about 1 year ago
Ag8n "As with everything else, there are many possible interferences. Is this project still active? " | Read more » about 1 year ago
Ag8n "Doggone spell check. It should be" These are emission lines, so no lamp is needed. " not " These intermission lines, so no lamp is needed. " " | Read more » about 1 year ago
Ag8n "Just caught this whole looking up some other stuff. The technique most commonly used is atomic emission spectroscopy AES. The flame is so strong,..." | Read more » about 1 year ago
Matej "Cool! Thanks Jeff! This is helpful. " | Read more » almost 8 years ago
warren "What I did to compare is to calibrate on a CFL, then scan a tube fluorescent, so that the methodology for calibration is the same: https://spectra..." | Read more » almost 8 years ago
Matej "Interesting. I actually did kind of an "educated guess" calibration but I couldn't find more but one blue peak. I know that in the "usual" CFL ther..." | Read more » almost 8 years ago
warren "Actually this looks calibrated, no? " | Read more » almost 8 years ago
Matej "@warren: in response to: "Can you try re-calibrating this one, as I think it was calibrated during a brief bug (it shows being calibrated on 1/26/1..." | Read more » almost 8 years ago
Matej "@ethanbass for calibration I am not smoothing the spectra. I just thought it could be helpful when comparing them and adding them to a set. " | Read more » about 8 years ago
Matej "Hi Jeff, Thanks for the info about the bug! I Will recalibrate right away. I discussed with Gretchen and I think I will keep using this bulb since ..." | Read more » about 8 years ago
dhaffnersr "Hey Jeff, your right I just thought about it, it will calibrate, it's just you can't get a good fit. " | Read more » about 8 years ago
warren "that continuous band on the blue spectrum gives poor calibration Dave, I don't think it's quite accurate to say that they give poor calibration. T..." | Read more » about 8 years ago
warren "Can you try re-calibrating this one, as I think it was calibrated during a brief bug (it shows being calibrated on 1/26/16) which was since fixed. ..." | Read more » about 8 years ago
warren "Hi, Matej - it also looks like some of your spectra are not calibrated, or perhaps not properly? I'm seeing some not aligned. But all of them seem..." | Read more » about 8 years ago
dhaffnersr "Hello Matej! Those "humps" that you are getting from the daylight bulbs are the very reason I don't use them, that continuous band on the blue spec..." | Read more » about 8 years ago
ethanbass " " | Read more » about 8 years ago
ethanbass "Hey Matej, there's something going wrong with the way your second and third sets are showing up there! They've got all of those squiggles showing u..." | Read more » about 8 years ago
mathew "cool! you can also buy humic acids: http://www.planetnatural.com/product-category/growing-indoors/plant-nutrients/fulvic-humic-acid/ " | Read more » over 9 years ago
warren "I'm doing a test today putting one bottle of 3 identically prepared Onta #1 samples of crude in mineral oil in the freezer, to see if temperature a..." | Read more » over 9 years ago
mathew "exciting news re: humic acid skewing the spectra towards the red and heavier oils towards the blue. can we order samples of the same oils they're ..." | Read more » over 9 years ago
btbonval "These graphs look like there's a log normal pattern to them with spikes that break from the log normal distribution. If you can estimate the param..." | Read more » over 9 years ago
liz "This is awesome work! " | Read more » over 10 years ago
sonofaquark "Good idea. This sounds pretty much like the way the search for pot plants with aerial photos. It seems to work pretty well for them. " | Read more » about 11 years ago