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RUI ZHU

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Articles

RT-DETR-based object detection and parameter extraction for wireless signal spectrograms

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By RUI ZHU, Lulu Liu, Yaru Li, Hongyan Li, Juan Tian, Le Gao, Zhibo Shi
| Nature Verified
Abstract Traditional modulation recognition struggles with multi-signal coexistence and low signal-to-noise ratios. This paper proposes an integrated framework for wideband signal detection, recognition, and parameter extraction using object detection technology. By converting signals into spectrograms via Short-Time Fourier Transform, the framework employs RT-DETR as the backbone for feature extraction.
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A Noise-Robust Intelligent Change Detection Framework via Deep Feature Restoration and Posterior Probability Modeling

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By RUI ZHU, Jiaxin Song, Yikun Li
| preprints.org
You are already at the latest version Remote sensing change detection is often degraded by noise-induced uncertainty, particularly in unsupervised scenarios where the absence of labeled information limits the ability to distinguish real land-cover variations from stochastic disturbances. Existing methods mainly rely on pixel-level spectral differences or clustering strategies, which are vulnerable to noise amplification and unstable decision boundaries.
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A low-temperature, water-free fabrication route to Mg-based micro thermoelectric coolers for thermal management

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By Jiawei Yang, RUI ZHU, Ming Li, Zengxia Mei, Ling Chen, Li-Ming Wu
| Nature Verified
Abstract Sustainable thermal management of high-heat-flux electronics beyond Moore’s Law requires micro thermoelectric coolers (μ-TECs) that are both high-performance and environmentally sustainable. However, state-of-the-art μ-TECs rely on Bi2Te3-based materials, whose tellurium scarcity, toxicity concerns and limited mechanical robustness hinder widespread adoption. Mg-based thermoelectric materials offer a promising alternative but remain challenging to integrate into microscale devices.
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