| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| viechdokter | "Thanx for explaining all this. Uhm, these "raw pixel data" you talked about, is THIS an electron/photon count? And if so, how long does the normal ..." | Read more » | over 8 years ago | |||
| viechdokter | "Ah, okay, I forgot about the "%" sign. I knew I was missing something. Just didn't know what exactly. Thanx for the quick answers. " | Read more » | over 8 years ago | |||
| viechdokter | "@stoft: I support the idea of a review committee. Not for ranking but for advice. Makes much more sense in promoting the quality stuff and in advis..." | Read more » | over 8 years ago | |||
| viechdokter | "I still wonder... if the little boy coincidentally meets Sir Newton in the garden and asks about the apple and the moon he might just get an answer..." | Read more » | over 8 years ago | |||
| viechdokter | "Sounds great so far. One question: if you put a second slit right in front of the grating/webcam subset - wouldn't the light be even more parallel? " | Read more » | over 8 years ago | |||
| viechdokter | "@warren: I just had a look at an old spectrum CSV file of yours (3 years ago): https://spectralworkbench.org/spectrums/481 There it was unscaled ..." | Read more » | over 8 years ago | |||
| viechdokter | "Talking about hung-up scripts, it often is a pain in the neck to login to SBW. "Do you trust this site with your identity?" "Yes" "You must login t..." | Read more » | over 8 years ago | |||
| viechdokter | "I do agree that "someone" should try to organize content into categories, but I thought that's what the tags were for? As for the filtering of "go..." | Read more » | over 8 years ago | |||
| viechdokter | "I could re-scale but ... when everybody here gets the same minimum 2.55 increments here and you want reproducible spectral data then everyone shoul..." | Read more » | over 8 years ago | |||
| viechdokter | "I took the data from the CSV files that Spectral Workbench provides with my spectra. I had a look at one of dhaffners spectrum CSV files and see th..." | Read more » | over 8 years ago | |||
| viechdokter | "Okay, here I combined the 4 channel max/min-difference curves in one diagram so they have the same vertical scale now: And here the combined dat..." | Read more » | over 8 years ago | |||
| viechdokter | "Wow, "citizen scientist"! I have never thought about it that way. But you are right. I dived into PLab spectrometry by chance and found that it rea..." | Read more » | over 8 years ago | |||
| viechdokter | "Looks like at least there are no "bad" pixels as they all show about the same amount of noise. The time averaging seems to achieve a very sharp-pe..." | Read more » | over 8 years ago | |||
| viechdokter | "Two thoughts: first, the bees sometimes bring in different sorts of pollen, its not 100% sorted although the bees "try to" sort. second, I'd gues..." | Read more » | over 8 years ago | |||
| viechdokter | "Talking about bits and quantization: I also noticed that certain values (2.55 and multiples thereof like 5.1, 7.65 ...) appear in every spectrum's ..." | Read more » | over 8 years ago | |||
| viechdokter | "Well, you could send your lamp here to Germany but I guess you will find some other community members closer to you... " | Read more » | over 8 years ago | |||
| viechdokter | "@warren:They would be low-noise green if you average them. ;-) @stoft: BTW, I noticed that curves that were averaged over two or more channels l..." | Read more » | over 8 years ago | |||
| viechdokter | "@stoft: Yes, the second try suggests it is probably more a noise problem. I will re-do the test very carefully and see what a third data row brings..." | Read more » | over 8 years ago | |||
| viechdokter | "This looks pretty "repeatable". Peaks all in the same places. The 10 min peak is a little higher than the later ones but not too far off. Next ste..." | Read more » | over 8 years ago | |||
| viechdokter | "Yeah, I think I could do it. Hmh, I must admit that I only pretty recently started to use Excel-like programs at all. To be honest, your research n..." | Read more » | over 8 years ago | |||
| viechdokter | "Yes, you are right. I, too, like comparable curves better. I used LibreOffice, a kind of public domain "Excel". It plots diagrams automatically and..." | Read more » | over 8 years ago | |||
| viechdokter | "@stoft : sorry I had to revise the research note as there was a big mistake in the red curve. I exchanged it with the new revised red curve and now..." | Read more » | over 8 years ago | |||
| viechdokter | "@stoft : RGGB like in this picture? " | Read more » | over 8 years ago | |||
| viechdokter | "The little thing with the hole in front of your DVD - is this for preventing stray light coming in? " | Read more » | over 8 years ago |