Conventionally, direction of arrival (DoA) estimation of coherent signals relies on pre-
processing approaches to eliminate the rank loss of the signal covariance matrix (SCM) …

Identifying the number of transmit antennas and the channel order is an important step in
recovering the original information for a non-cooperative communication system. Traditional …

The existing model-driven methods for source number estimation (SNE) under spatially
correlated noise are limited by the inherent shortcomings of model assumptions and …

Recently, the passive synthetic aperture (PSA) technique has been used in passive
localization to improve the position accuracy of single source by estimating the Doppler …

For weak signal detection with direction‐finding (DF), this article presents a new receiver
design approach that combines our accumulatively increasing receiver sensitivity (AIRS) …

The sensing signal of the ultra-weak fiber grating distributed acoustic sensors (uwDAS)
system is a mixture of the superposition of multiple sources and noise due to high sensitivity …

Source enumeration, the task of estimating the number of sources from the signal received
by the array of antennas, is a critical problem in array signal processing. Numerous methods …

Classical methods for model order selection often fail in scenarios with low SNR or few
snapshots. Deep learning-based methods are promising alternatives for such challenging …

Spectrum awareness is important in multiple military and civilian applications, while various
low probability of detection (LPD) waveforms have been developed to hide transmissions. In …