1 / 7

N Element Array

d. d. θ. N Element Array. δ=kdsinθ. nδ. nδ/2. G. M. δ/2. δ. a. A. B. Phasor Addition. Directivity Index for an n-Element Array. Linear Array. Nulls:. q. D. Piston Array. Bessel Function. J 1 ( p Dsin q/l ). p Dsin q/l.

nellis
Télécharger la présentation

N Element Array

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. d d θ N Element Array

  2. δ=kdsinθ nδ nδ/2 G M δ/2 δ a A B Phasor Addition

  3. Directivity Index for an n-Element Array

  4. Linear Array Nulls:

  5. q D Piston Array Bessel Function J1(pDsinq/l) pDsinq/l J1(pDsinq/l) has zero crossings (nulls) at pDsinq/l = 3.83, 7.02, 10.17, 13.32, 16.47, .... J1(pDsinq/l) has extremes (side lobes) at pDsinq/l = 1.84, 5.33, 8.54, 11.71, 14.86, ....

  6. Beam width of a piston array b

More Related