搜索结果: 1-15 共查到“物理学 feedback”相关记录25条 . 查询时间(0.161 秒)
Variation of the feedback coefficient with R12 and the geographic latitude in 1-h ahead forecast of f0 F2
forecast feedback critical frequency
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2015/9/25
The «prediction» and «forecast» of the critical frequency of the F 2 layer (f0 F2 ) is an important issue for frequency planning in short wave radio communications. In this context...
Multivariable feedback control of semiconductor wafer temperature
Multivariate semiconductor chip temperature temperature control chip rapid heat treatment semiconductor chips sensors
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2015/8/12
The authors consider the problem of wafer temperature control in rapid thermal processing (RTP) of semiconductor wafers. They present a novel approach to the analysis of candidate sensor configuration...
State Feedback Control for Adjusting the Dynamic Behavior of a Piezoactuated Bimorph Atomic Force Microscopy Probe
State Feedback Control Dynamic Behavior Piezoactuated Bimorph Atomic Microscopy Probe Atomic Physics
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2012/4/24
We adjust the transient dynamics of a piezo-actuated bimorph Atomic Force Microscopy (AFM) probe using a state feedback controller. This approach enables us to adjust the quality factor and the resona...
Generation of continuous-variable quadripartite square cluster state and its entanglement improvement via quantum feedback
quantum optics continuous variable cluster state feedback
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2011/12/15
In this paper, we investigate the generation of continuous-variable quadripartite square cluster state of optical fields and discuss the enhancement of the multipartite entanglement of the cluster sta...
Self-injection-locked magnetron as an active ring resonator side coupled to a waveguide with a delayed feedback loop
delayed feedback loop Self-injection-locked
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2011/8/26
The theoretical analysis and numerical simulations of the magnetron operation with a feedback loop were performed assuming that the delay of the electromagnetic wave propagating in the loop is constan...
Mathematical model for positive feedback and temperature induced signal transduction and differential gene regulation in {\it Bordetella pertussis}}
Mathematical model positive feedback temperature induced signal
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2011/9/9
Based on the phosphorelay kinetics operative within BvgAS two component system we propose a mathematical model for signal transduction and differential gene regulation in Bordetella pertussis. To unde...
Nonequilibrium Detailed Fluctuation Theorem for Repeated Discrete Feedback
Nonequilibrium Detailed Fluctuation Theorem Repeated Discrete Feedback
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2010/11/24
We extend the framework of forward and reverse processes commonly utilized in the derivation and analysis of the nonequilibrium work relations to thermodynamic processes with repeated discrete feedbac...
Ultimate crack and lack of any security in the statistical key exchange protocol with random signals and feedback
Ultimate crack Quantum Physics
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2010/11/8
We deterministically crack the secure, statistical key exchange protocol based on feedback proposed by Pao-Lo Liu [ J. Lightwave Techology 27 (2009) pp. 5230-34]. The crack is ultimate and absolute be...
Direct and Indirect Couplings in Coherent Feedback Control of Linear Quantum Systems
Couplings Coherent Feedback Control Linear Quantum Systems
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2010/11/8
The purpose of this paper is to study and design direct and indirect couplings for use in coherent feedback control of a class of linear quantum stochastic systems. A general physical model for a nomi...
Suppressing decoherence and improving entanglement by quantum-jump-based feedback control in two-level systems
Suppressing decoherence improving entanglement by quantum-jump-based feedback two-level systems
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2010/10/19
We study the quantum-jump-based feedback control on the entanglement shared between two
qubits with one of them subject to decoherence, while the other qubit is under the control. This situation is v...
Control spiral wave dynamics using feedback signals from line detectors
spiral wave dynamics feedback signals line detectors
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2010/4/6
We numerically study trajectories of spiral-wave-cores in excitable systems modulated proportionally to the integral of the activity on the straight line, several or dozens of equi-spaced measuring po...
Nonlocal feedback in nonlinear systems
Nonlocal feedback nonlinear systems
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2010/4/2
A shifted or misaligned feedback loop gives rise to a two-point nonlocality that is the spatial analog of a temporal delay. Important consequences of this nonlocal coupling have been found both in dif...
Time-delayed feedback control of delay-coupled neurosystems and lasers
Time-delayed feedback control delay-coupled neurosystems lasers
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2010/4/7
We discuss applications of time-delayed feedback control to delay-coupled neural systems and lasers, in the framework of the FitzHugh-Nagumo neuron model and the Lang-Kobayashi laser model, respective...
Non-linear quenching of current fluctuations in a self-exciting homopolar dynamo,proved by feedback system theory
Non-linear quenching current fluctuations self-exciting homopolar dynamo feedback system theory
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2009/11/13
Hide (Nonlinear Processes in Geophysics, 1998) has produced a new mathematical model of a self-exciting homopolar dynamo driving a series- wound motor, as a continuing contribution to the theory of th...
Studies of closed orbit correction and slow orbit feedback for the SSRF storage ring
SSRF closed orbit distortion slow orbit feedback sorting alignment SOFB
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2009/8/14
Details of the active ways to suppress Closed Orbit Distortion (COD), including bending magnet sorting and survey and alignment of the magnets, are discussed based on the studies of affections to the ...