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Advanced Narrowband Direction of Arrival Estimation for Antenna Arrays in 2026

"Accurate Direction of Arrival (DoA) estimation remains a cornerstone of modern wireless communications, radar systems, acoustic sensing, and spatial signal processing. As network architectures evolve through 2026, the demand for high-resolution, low-latency spatial spectrum estimation has grown exponentially. Narrowband DoA estimation specifically addresses scenarios where the signal bandwidth is significantly smaller than the carrier frequency, allowing systems to simplify temporal processing while leveraging complex spatial covariance matrices across antenna elements. This guide delivers an authoritative analysis of narrowband DoA estimatio..."

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