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An envelope-detection-based signal preprocessing technique is proposed to robustly enhance the signal-to-noise ratio (SNR) in subterahertz (sub-THz) imaging systems. Conventional peak-based amplitude extraction is highly ...

Eigenvector-correlation-based tracking methods are widely used in characteristic mode analysis, but traditional methods suffer from high computational complexity and inefficiency from full-frequency correlation calculations, ...

This paper presents a study on the inverse electromagnetic scattering problem of three-dimensional (3D) objects embedded in half-space media. To address this problem, the subspace-based variational Born iterative method ...

This paper presents an experimental analysis of clutter subspace characteristics and adaptive filtering performance for different auxiliarychannel configurations in reduced-dimension Σ– Δ STAP (space–time adaptive processing) ...

In this work, a high-gain dual circular-polarization (CP) transmitting metasurface (MS) antenna is proposed that operates across both low- and high-frequency bands. A novel microstrip feed antenna (MFA) incorporating two ...

The global aviation system is undergoing a data-centric digital transformation under ICAO’s GANP and ASBU framework. In aviation safety management, ICAO Annex 19 and Doc 9859 provide the foundation for SMS, while Doc 10159 ...