电力信息与通信技术2026，Vol.24Issue(3)：17-25,9.DOI:10.16543/j.2095-641x.electric.power.ict.2026.03.03
基于变尺度随机共振的低信噪比信号检测方法
Signal Detection Method With Low Signal-to-noise Ratio Based on Variable Scale Random Resonance
摘要
Abstract
To improve the quality of power line carrier communication,a low signal-to-noise ratio signal detection method based on variable-scale random resonance system is proposed.A variable scale mechanism combines high-frequency signals with the random resonance system,and SGD algorithm optimizes parameters for better signal processing.Simulations show this system can efficiently extract eigenfrequencies from high-frequency signals,especially in low-SNR environments.OFDM signal at 0 dB SNR,the bit error rate drops from 0.504 739 to 0.000 292 773,a reduction of three orders of magnitude.Ultimately,an analysis is conducted to examine the impact of the introduced methodology on the signal phase and the phase difference after random resonance processing is better than that without random resonance processing.The feasibility and efficacy of the proposed method have been confirmed through this series of results in the context of power line carrier communication applications.关键词
随机共振/变尺度/随机梯度下降算法/高频微弱信号/电力线载波通信Key words
stochastic resonance/variable scale/SGD algorithm/high frequency weak signal/power line carrier communication分类
信息技术与安全科学引用本文复制引用
马海杰,何继兰,胡正伟..基于变尺度随机共振的低信噪比信号检测方法[J].电力信息与通信技术,2026,24(3):17-25,9.基金项目
国家自然基金面上项目(52177083) （52177083）
河北省科技重大专项项目(23281701Z) （23281701Z）
河北省省级科技计划支持(SZX2020034). （SZX2020034）
