I'm going to have to scour the Tektronix catalog more carefully for the 3-D holographic spectrum analyzer!
John----- Original Message ----- From: "Mark Schubin" <tvmark@xxxxxxxxxxxxx>
If you envision the NTSC spectrum in three-dimensional space, luma is a large, central octahedron. Chroma is smaller octahedra orbiting it. It's only when you look at it in two dimensions that they appear to interfere, just as the moon (or any other satellite) would appear to occupy the same space as the earth when viewed in two dimensions.
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