Peng Gui

Unleashing the Power of Pre-trained Encoders for Universal Adversarial Attack Detection

Yinghe Zhang, Chi Liu, Shuai Zhou, Sheng Shen et autres

Adversarial attacks pose a critical security threat to real-world AI systems by injecting human-imperceptible perturbations into benign samples to induce misclassification in deep learning models. While existing detection methods, such as Bayesian uncertainty estimation and activation pattern analysis, have achieved progress through …

Research on aerospace application of half-bridge resonant converter

Liu Mi, Peng Gui, Chuanwei Guo, Chuang Zhao et autres

Aiming at the continuous improvement of aerospace DC/DC conversion efficiency requirements and the relatively poor electrical characteristics of available aerospace power semiconductor devices, the research on half-bridge resonant soft switch topology for efficient conversion was carried out. The working process of the …

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An Efficient Channel Estimation Approach for Wideband Millimeter Wave MIMO System

Prateek Saurabh Srivastav, Peng Gui, Arfan Haider Wahla, Chen Ai et autres

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Research and Design of Space Borne Receiver Power Supply System's EMC

Cheng Mu, Wei Song, Tianli Hui, Jialin Liu et autres

Receiver is an important part of aerospace communication reconnaissance system. With the rapid development of modern electronic technology, modern communication reconnaissance is developing in the direction of extremely wide frequency band, extremely high sensitivity and high power. But the traditional linear power …

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A High-Precision Digitally Controlled Current Source Circuit

Peng Gui, Shu Yu Zhao, Liu Mi, Zi Tian Chen et autres

With the development of laser-based sensing and communication technology, the application of semiconductor lasers in industrial production and scientific and technological research is becoming increasingly widespread. The driving accuracy requirements of lasers are becoming increasingly high. However, the sensitivity of the laser …

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Study on the Matching of Solid State Power Controller in Cascade Application

Huiyao Li, Yonggang Chen, Zitian Chen, Peng Gui et autres

In view of the mismatch of the protection characteristics between the SSPC(solid-state power controller)and the cascade application of the fuse in the process of power distribution and use of the spacecraft, this paper analyzes the working principle and protection characteristics of the …

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Design of a Sampling System for Wide Range nano-current Signal

Sha Zheng, Junbiao Shi, Yonggang Chen, Peng Gui et autres

Abstract Space particle radiation will greatly shorten the service life of basic components, resulting in premature failure of aircraft. For newly developed electronic components for space applications, strict anti irradiation performance evaluation must be carried out to master their working characteristics and …

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