Improving amplitude-modulated signals by re-scaled and twice sampling vibrational resonance methods

Jia, Pengxiang; Yang, Jianhua; Liu, Houguang; Hu, Eryi

doi:10.1007/s12043-018-1617-y

Cited by 9 publications

(6 citation statements)

References 33 publications

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“…When the control cabinet receives linear sweep signals, the generator produces signals through amplitude modulation (AM). Thus, the frequency of the signal does not change, whereas its amplitude changes with time (Jia et al, 2018;Parker et al, 2018;Naghizadeh et al, 2019). The function of the modulation signal can be defined as follows:…”

Section: Encodingmentioning

confidence: 99%

Seismic communication data processing based on compressed sensing algorithm

Jiang,

Xing

2024

Geophysical Prospecting

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Geophysical prospecting signals encompass subsurface structural information and incorporate textual messages generated in accordance with a specific pattern. These signals can be employed in places without radio access to ensure public and worker safety. Therefore, the use of seismic signals to transmit information through the earth has attracted the attention of researchers in the last decade. Presently, achievements in seismic communication are mainly in the coding, generation, and propagation of seismic signals. Little work has been done on methods to convert seismic signals generated by vibroseis sources into text and broadcast them vocally. Therefore, we built a seismic communication system with 6‐bit code using the American Standard Code for Information Interchange. To better recommend the seismic communication system scheme, the origin, state and principles of seismic communication system are illustrated in detail. Then, a seismic transmitting system is devised with a 500 N vibroseis source, which compiles seismic signals through amplitude modulation. After seismic signals propagate through the earth, they are received by geophones and recorded in seismographs. Through data acquisition based on a compression algorithm, seismic signals are converted into text and voice signals, which significantly reduces the storage and transmission of seismic data.

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Section: Encodingmentioning

confidence: 99%

Seismic communication data processing based on compressed sensing algorithm

Jiang,

Xing

2024

Geophysical Prospecting

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“…As one of the various phenomena, nonlinear resonance has particular appeal due to its wide range in application and basic science. It is characterized by amplifying the response amplitude of the system at the low-frequency signal, and it manifests various forms depending on the nature of the external driving force and the way it is matched [1], such as coherent resonance [2,3], chaotic resonance [4][5][6][7], parametric resonance [8,9], stochastic resonance [10][11][12][13][14] and vibrational resonance(VR) [15][16][17][18][19][20][21], etc. In this paper, we focus on the phenomenon of VR which is first proposed by Landa and McClintock based on numerical results [22].…”

Section: Introductionmentioning

confidence: 99%

Vibrational resonance and bifurcation in a fractional order quintic system with distributed time delay

Ning¹,

Zhao²

2022

Phys. Scr.

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In this paper, vibrational resonance and bifurcation phenomena are investigated in the fractional order quintic system with distributed time delay. The approximate theoretical expression for the response amplitude at low frequency is derived by using the method of fast and slow variable separation. In the presence of fractional order and distributed time delay, the vibrational resonance and bifurcation are explored in the single-well, double-well and triple-well potentials, respectively. It is found that the decay rate of the kernel function σ can cause bifurcation, which is closely related to the high frequency excitation amplitude F. It is worth noting that the range in which resonance occurs twice, three and four times decreases with the increase of σ. Furthermore, appropriate values of the decay rate σ, fractional order α and high frequency excitation amplitude F will enable to improve the response amplitude Q. The high match of the numerical simulation and analytical results confirms the validity of the theoretical analysis.

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“…Furthermore, the existence of subharmonic and superharmonic resonances [86] and higher harmonics [87] were also reported. In another line of development, new methods of analysis in which nonlinear systems are driven by aperiodic forces have been investigated—giving birth to fresh perspectives for aperiodic VR, re-scaled aperiodic VR and twice-sampled aperiodic VR methods [88], re-scaled and improved twice-sampling [68] and a new spectral amplification factor approach [89].…”

Section: Introductionmentioning

confidence: 99%

Vibrational resonances in driven oscillators with position-dependent mass

Roy-Layinde

Vincent

Abolade

et al. 2021

Phil. Trans. R. Soc. A.

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The vibrational resonance (VR) phenomenon has received a great deal of research attention over the two decades since its introduction. The wide range of theoretical and experimental results obtained has, however, been confined to VR in systems with constant mass. We now extend the VR formalism to encompass systems with position-dependent mass (PDM). We consider a generalized classical counterpart of the quantum mechanical nonlinear oscillator with PDM. By developing a theoretical framework for determining the response amplitude of PDM systems, we examine and analyse their VR phenomenona, obtain conditions for the occurrence of resonances, show that the role played by PDM can be both inductive and contributory, and suggest that PDM effects could usefully be explored to maximize the efficiency of devices being operated in VR modes. Our analysis suggests new directions for the investigation of VR in a general class of PDM systems. This article is part of the theme issue ‘Vibrational and stochastic resonance in driven nonlinear systems (part 1)’.

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Improving amplitude-modulated signals by re-scaled and twice sampling vibrational resonance methods

Cited by 9 publications

References 33 publications

Seismic communication data processing based on compressed sensing algorithm

Seismic communication data processing based on compressed sensing algorithm

Vibrational resonance and bifurcation in a fractional order quintic system with distributed time delay

Vibrational resonances in driven oscillators with position-dependent mass

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