Abstract: A PIR-based security system that reduces energy use and recording system memory requirements has been proposed. a warm-blooded moving thing within the area of passive infrared radiation (PIR ...

Abstract: This letter proposes a hidden Markov model–Gaussian mixture Model-based tandem approach for efficient classification of human and animal footfall signals acquired from seismic sensors buried ...

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Aug. 22, 2025 — A research team has created a quantum logic gate that uses fewer qubits by encoding them with the powerful GKP error-correction code. By entangling quantum vibrations inside a single ...