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The equivalent current (EQC) technique applied on antenna measurements has been demonstrated to be an efficient tool for diagnostics in many measurement situations [15]. Indeed the equivalent currents can be applied in tasks such as the filtering of disturbances such as undesired coupling with the supporting structure or the feeding and in NF-NF transformation. In particular the filtering capabilities...
The equivalent radiating current technique (EQC) is based on an integral equation formulation of the inverse source problem upon rigorous application of the equivalence principle [1]–[7]. This method offers a greater generality and flexibility since it allows reconstructing sources on arbitrary 3-D surfaces enclosing the antenna under test (AUT). Indeed the equivalent source approach is a true 3D...
The spherical near-field antenna measurement system StarLab has evolved to cover the entire frequency band from 800MHz to 18GHz [1, 2, 3]. The system is based on probe array technology and the Advanced Modulated Scattering Technique (A-MST) [4, 5]. The StarLab system offers the speed advantages of a probe array, while the mechanical rotation in elevation allows for unlimited angular resolution over...
The spherical near-field antenna measurement system StarLab has evolved to cover the entire frequency band from 800MHz to 18GHz [1, 2, 3]. The system is based on patented probe array technology and the Advanced Modulated Scattering Technique (A-MST) [4, 5]. The StarLab system offers the speed advantages of a probe array, while the mechanical rotation in elevation allows for unlimited angular resolution...
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