Synonym: disruption, disturbance, fluster, upset. Similar words: probation, acculturation, verbatim, ratification, exertion, urban, nation, suburban. Meaning: [‚pɜrtər'beɪʃn /‚pɜːtə-] n. 1. an unhappy and worried mental state 2. (physics) a secondary influence on a system that causes it to deviate slightly 3. activity that is an intrusion or interruption 4. a disposition that is confused or nervous and upset 5. the act of causing disorder.
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61. By considering the impact of perturbation, orbital characteristics are researched mainly from three aspects including precession of orbital plane, change of orbital inclination and rotation of apogee.
62. The new method is based on combining perturbation method of eigen-problems with rational approximation of a vector-value function .
63. A relative motion model, considering the J_2 perturbation and suitable for motion in general elliptic orbit, was used.
64. He most certainly deserves credit as a pioneer, with Le Verrier, of applying perturbation theory to planetary motion.
65. It can be found out by means of the perturbation theory that the error of effective multiplication factor coming from a large mesh spacing has a linear relationship with the square of the mesh size.
66. The results show that the perturbation pressure forces induced by buoyancy, velocity advection and dray are of the same order of magnitude as the corresponding resource terms and act against them.
67. In this article, the effects of the small magnetic field perturbation on the equilibrium of plasma are discussed (the problem of the static stability of plasma).
68. In my paper, the method is dealt with the nonlinear Schrodinger equation with several perturbation terms.
69. The perturbation was a single extra 'spike,' or nerve impulse, introduced to a single neuron in the brain of a rat.
70. According to some disadvantages in the disposal process of the perturbation method, the concepts of perturbation quantity, constant quantity and stepwise disposal have been introduced.
71. Through the comparison, we use traveling-wave method to measure dispersion and nonresonant perturbation method to measure interaction impedance.
72. The approximate solution is presented and the critical condition of is obtained the perturbation method.
73. Formerly the FEM perturbation method is to make the same small varieties of mass matrix and stiffness matrix, then calculate changes of system's eigenvalue and eigen vector.
74. Electron motion in the EECRM being analysed, the nonlinear pendulum equation of electron-wave interaction is derived and then solved by second-order perturbation.
75. The paper presents an visual modelling and batch simulation approach for dynamic parameter perturbation system.
76. Based on no-preemptive priority queuing network model and infinitesimal perturbation analysis schemes, new dynamic scheduling algorithm is presented.
77. At present, method of thermal current meter, hotbox method, infrared thermal perturbation of the external walls in China are main methods to measure the heat transfer coefficients.
78. A method for synchronization of two systems with parameters perturbation is presented, which combines the error feedback approach with the parameter adaptive control way.
79. In this paper, we present some criteria for the oscillation of a class of the second order nonlinear differential inequation with Perturbation. The results generalize the known results.
80. The asymptotic stability of the rarefaction wave has been established for the impermeable wall problem under small perturbation conditions and non-isothermal conditions.
81. In some problems in quantum transition, time-dependent perturbation theory gives the first order approximation of transition probability amplitude.
82. The analytical expressions for the dynamic stresses and perturbation of magnetic field vector are obtained by means of a finite integral transform and Laplace transform.
83. It is pointed out that the wave function of system can be exactly solved if the perturbation only depends on the time, and the exact expression of transition probability amplitude can be obtained.
84. In this paper, the parabolic equation with boundary perturbation is considered. Using discussion of the solvability, the perturbed solution of original problem is obtained.
85. As the effect of external perturbation of SWCNT rope, a pseudogap of about 0.1 eV at the Fermi level appears, and it makes a deep valley in the transmission probability curve.
86. The orbit variation in one day under the nonspherical perturbation is shown and the motion of the orbit plane is computed.
87. Investigates a class of strongly nonlinear oscillators in electrical engineering by using the perturbation incremental method.
88. In chapter 5,(www.Sentencedict.com) simultaneous perturbation stochastic approximation genetic algorithm is used to solve the continuous program model.
89. The eigenfunction and eigenvalue of the equation are solved by the non-degenerate perturbation theory, as well as dispersion relations for the spin wave.
90. The system is composed of a knowledge-based switch control, a self-optimizing control based on the perturbation signal and the least square recurrence method.
More similar words: probation, acculturation, verbatim, ratification, exertion, urban, nation, suburban, zonation, donation, location, national, operation, equation, relation, formation, education, allegation, alleviation, violation, radiation, variation, inflation, damnation, migration, isolation, summation, situation, sensation, limitation.