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Verification of Complex Excitation Coefficients from Measured Space Array Antenna by the Equivalent Current Technique

Technical Publications
11/14/2014

In this paper the inverse-source technique or source reconstruction technique has been applied as diagnostic tool to determine the complex excitation at sub array and single element level of a measured array antenna [1]-[5].

The Missing Link between Numerical Simulation and Antenna Measurements with Application to Flush Mounted Antennas

Technical Publications
11/14/2014

Computational Electromagnetics (CEM) solvers are important engineering tools for supporting the evaluation and optimization of antenna placement on larger complex platforms. Due to the conclusiveness and high reliability of actual measured data, antenna measurements are required for the final validation of most systems containing an antenna.

Dual Polarized Near Field Probe Based on OMJ in Waveguide Technology Achieving More Than Octave Bandwidth

Technical Publications
11/14/2014

In classic probe-corrected spherical NF measurements, one of the main concerns is the probe [1], [2], [3]. Standard NF-FF transformation software applies probe correction with the assumption that the probe pattern behaves with µ=±1 azimuthal dependence. In reality, any physically realizable probe is just an approximation to this ideal case.

Dual Polarized Wideband Feed with Cross-Polarization Reduction and Compensation Proprieties for Compact Antenna Test Range

Technical Publications
11/14/2014

Measurement applications in a Compact Antenna Test Range (CATR) often require low cross-polarization or high polarization purity of the Quiet Zone (QZ). This requirement is often the main motivation for choosing the more complex and thus expensive compensated dual reflector system as opposed to the simpler and cheaper single reflector system.

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