access icon free Measurement with random sampling for solving EM scattering problems over a wide angle by compressed sensing

Rapid calculation of electromagnetic (EM) scattering problems over a wide incident angle is always a difficult task for computational electromagnetics (CEMs). As a new kind of excitations which include plenty of information about incident angles was constructed, a fast method by applying compressed sensing in conjugation with traditional method of moments has been proposed. Random sampling is firstly taken into the process of linear measurement to simplify the construction of the new excitations and accelerate the recovery of unknown induced currents. The basic principle is elaborated in detail, and the effectiveness of the proposed method is validated with numerical results.

Inspec keywords: electromagnetic wave scattering; signal sampling

Other keywords: EM scattering problems; electromagnetic scattering problems; random sampling measurement; incident angles; wide compressed sensing

Subjects: Signal processing theory; Electromagnetic waves: theory; Signal processing and detection; Electromagnetic wave propagation

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http://iet.metastore.ingenta.com/content/journals/10.1049/el.2017.0406
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