POS

Features

  • Various surface shaping expansion functions
  • Control of maximum surface curvature for manufacturability
  • Consideration for manufacturing-imposed constraints in the design phases
  • CAD export of shaped reflector surface
  • Single, dual or multi reflector shaping

Values

  • Tailored minmax optimizer ensures extremely fast reflector design
  • Highly accurate analysis during optimization
  • Thoroughly tested by the space industry for decades
  • Compatibility with GRASP
  • De facto industry standard for contoured beam reflector antenna design

Surface constraints

Thermal distortions and different types of manufacturing constraints can be included in the optimization for limiting e.g. surface curvature or feed displacement. Image on the right-hand side illustrates reflector shaping with and without curvature constraints.

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Surface constraints design in POS

Optimization of single, dual and multiple reflectors

Single, dual or multiple reflector systems can be optimized and various scattering obstacles can be included. Tools for coverage definition and display of the final results are included in the software. Very special reflectors for e.g. radiating a cosecant-square beam can also be optimized, see figure below.

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Optimization of reflectors and arrays

POS features array optimization, even in combination with reflector shaping. The array may contain subarrays in multiple layers for which power division and individual excitations may be optimized.

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Advanced minimax optimization algorithm

The minimax goal is very useful for most design work because it relates directly to the design requirements. A least-squares optimization is also available and may be convenient for other design criteria or for obtaining a good starting point for minimax optimization. The algorithms allow constraints imposed on the optimization. This includes restricting the surface curvature and total surface deviation, feed displacements and orientations, and the allowed range of array excitation coefficients.

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Contact us

Your project may be complex, but we keep things simple. If you have any questions about our software or services, or you need expert consultancy, we are here to help.
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