Isotropic: Difference between revisions
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(Created page with "<!-- '''Isotropy'' / '''Isotropic''' means uniformity in all orientations '''Anisotropy''' / '''Anisotropic''' means '''not'' uniform in all directions. In specific uses t...") |
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For example, an antenna equally sensitive to all directions is said to be isotropic, were a microphone equally sensitive to all directions is said to be omnidirectional, even though the two concepts are very close. | For example, an antenna equally sensitive to all directions is said to be isotropic, were a microphone equally sensitive to all directions is said to be omnidirectional, even though the two concepts are very close. | ||
To be fair, that's not the '' | To be fair, that's not the ''best'' example, because neither antennas nor microphones are ever perfectly | ||
''equally'' sensitive to all directions, because physics, and the physical reasons | ''equally'' sensitive to all directions, because physics, and the physical reasons differ a bit between the two. | ||
In optics, anisotropic magnification means that magnification varies with direction | In optics, anisotropic magnification means that magnification varies with direction. | ||
If you wanted your image to be a perfect projection, that amounts to distortion. | |||