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Original file (SVG file, nominally 720 × 460 pixels, file size: 57 KB)
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| Description | |||
| Date | |||
| Source | Own work | ||
| Author | Inductiveload | ||
| Permission (Reusing this file) |
|
![{\displaystyle P(\theta )=P_{0}[1-J_{0}^{2}(ka\sin \theta )-J_{1}^{2}(ka\sin \theta )]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/43e77cf6912164bcf59ec7e82c503a752d59df73)
Mathematica Code
encircledPower[x_] := 1 - BesselJ[0, x]^2 - BesselJ[1, x]^2;
airyPattern[x_] := (2 BesselJ[1, x]/x)^2;
Plot[
{airyPattern[x],
encircledPower[x]},
{x, 0, 11}
]
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 08:39, 19 March 2009 | | 720 × 460 (57 KB) | Inductiveload | and again |
| 08:39, 19 March 2009 |  | 720 × 460 (57 KB) | Inductiveload | reversed labels | |
| 22:35, 4 March 2009 |  | 720 × 460 (57 KB) | Inductiveload | {{Information |Description={{en|1=A graph showing the intensity and encircled power of an en:Airy pattern. :<math>I(\theta) = I_0 \left ( \frac{2 J_1(ka \sin \theta)}{ka \sin \theta} \right )^2 = I_0 \left ( \frac{2 J_1(x)}{x} \right )^2</math> :<ma |
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