Re: NEC-LIST: Most 'useful' sizes(diameters) for sparse arrays?

There is some literature that suggests that unevenly spaced sparse arrays
are best in terms of a "performance for a given number of elements spread
over a given amount of space".. maybe that's an area to fool with...

At 08:01 PM 2/13/2003 -0500, Fractenna_at_aol.com wrote:
>My colleagues and I are having some fun simulating sparse arrays. The issue
>is translating the fun to something useful. Any suggestions on what array
>SIZES (in wavelengths) are most sought after in sparse arrays? ( I know the
>desired resolution sets this up; that's not the question:-)) For example,
>radio astronomers want sparse arrays that are many thousands--even millions--
>of waves in diameter, while some sparse arrays in commercial apps are only a
>few waves in size. Wondering if there is a 'sweet spot' in the dynamic range
>of diameters(sizes) that would be most useful to think about.
>
>Appreciate any feedback.
>
>73,
>Chip N1IR
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James Lux, P.E.
Spacecraft Telecommunications Section
Jet Propulsion Laboratory, Mail Stop 161-213
4800 Oak Grove Drive
Pasadena CA 91109
tel: (818)354-2075
fax: (818)393-6875

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