Detection Line Spectrum of Ship Radiated Noise Based on a New 3D Chaotic System
Sensors, 2021 This paper proposes a new detection model of a weak signal based on a third-order chaotic system. Using a dynamic analysis tool, such as the Lyapunov exponent and the bifurcation diagram, variations of dynamic behavior can be observed, and the weak ...
Gang Hu, Kejun Wang, Liangliang Liu
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Weak magnetic anomaly signal detection based on the entropy of mixed differential signal
AIP Advances, 2021 Magnetic anomaly detection is of great significance in geological exploration and underwater target detection. However, the magnetic anomaly signal is not easy to be detected because of its weakness relative to the magnetic environmental noise, and the ...
Z. Wang, J. Qiu, D. Xie, J. Ou, Q. Xu
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Stochastic resonance with weak monochromatic driving: gains above unity induced by high-frequency signals [PDF]
, 2007 We study the effects of a high-frequency (HF) signal on the response of a noisy bistable system to a low-frequency subthreshold sinusoidal signal.
Borromeo M. +3 more
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Weak Signal Detection Algorithm Based on Particle Filtering [PDF]
Hangkong bingqiIn the traditional particle filter algorithm, there exist problems such as poor robustness against noise and clutter, and difficulty in balancing the detection probability and false alarm probability.
Mao Senpeng, Wang Pengfei, Chen Wei, Guo Lei
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A new Duffing detection method for underwater weak target signal
Alexandria Engineering Journal, 2022 On the basis of the double coupled Duffing oscillator, a differential double coupled Duffing oscillator method, called the proposed method 1, is proposed.
Guohui Li, Yongming Hou, Hong Yang
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Cosmogenic neutrinos and quasi-stable supersymmetric particle production [PDF]
, 2007 We study the signal for the detection of quasi-stable supersymmetric particles produced in interactions of cosmogenic neutrinos. We consider energy loss of high energy staus due to photonuclear and weak interactions.
I. Sarcevic +5 more
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A constructive and unifying framework for zero-bit watermarking [PDF]
, 2006 In the watermark detection scenario, also known as zero-bit watermarking, a watermark, carrying no hidden message, is inserted in content. The watermark detector checks for the presence of this particular weak signal in content. The article looks at this
Furon, Teddy
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A Weak Signal Detection Method for Bearing Based on QGA and Stochastic Resonance
Journal of Harbin University of Science and Technology, 2020 Aiming at the problems that the vibration signal is weak and the SNR is low in its early failure stage of rolling bearing, a weak signal detection method combining Quantum Genetic Algorithm (QGA) and Stochastic Resonance is proposed, which improves SNR ...
GE Jiang hua +4 more
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Detection of amplitude modulation with squeezed light for sensitivity beyond the shot-noise limit [PDF]
, 1988 An improvement in precision beyond the limit set by the vacuum-state or zero-point fluctuations of the electromagnetic field is reported for the detection of amplitude modulation encoded on a weak signal beam. The improvement is achieved by employing the
Kimble, H. J., Wu, Ling-An, Xiao, Min
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Witnessing effective entanglement over a 2km fiber channel [PDF]
, 2010 We present a fiber-based continuous-variable quantum key distribution system. In the scheme, a quantum signal of two non-orthogonal weak optical coherent states is sent through a fiber-based quantum channel. The receiver simultaneously measures conjugate
Bennett +42 more
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