查询词典 decreasing amplitude

Considering the influence of fluid's viscosity and large amplitude sloshing, the 2-dimension coupling system composed of uncompressible viscous fluid and ideal elastic structure of rectangle aqueduct is studied by using ADINA to develop the models in this paper. Analyze the dynamic response of the rectangle aqueduct structure by large amplitude liquid sloshing. Under the horizontal harmonic excitations with different amplitudes, analyze the harmonic response of the rectangle aqueduct structure and fluid, include pressure on the tank wall ,free surface height and so on.

本文应用大型通用有限元软件ADINA探讨了计入流体的粘性、大幅晃动影响，不可压缩粘性流体与矩形渡槽弹性体的二维动力耦合问题，分析流体的大幅晃动对矩形渡槽结构所带来的动力影响问题；在水平谐波激励方式下，针对不同的激励振幅和激励频率，研究渡槽结构和水体的振动反应包括渡槽结构的倾覆力和倾覆力矩，水体自由液面角点的波高和水体底部角点的动水压力的反应分析。

According to the shortage of only considering the phase change of emitter and no refer to the amplitude change, based on the patterns of radar and decoy, using equal phase gradient method, while considering the influence about waviness of phase and amplitude of each, the decoying formula of the coherent decoy system is deduced, a damage probability model is drawn out.

针对目前多点源诱偏效果评估过程中，仅考虑各点源相位分量变化，未考虑幅度分量在空中变化的不足，基于雷达和诱饵的具体方向图，运用等相位面梯度分析法，同时考虑各点源辐射信号的相位和幅度波动的影响，对相参多诱饵系统的诱偏误差公式进行了推导。

On the other hand, we introduce fidelity amplitude that weighs the stand or fall of quantum information transmission result. The high fidelity and the low fidelity amplitude is, the better capability of information transition is. In this paper, pure quantum theory method was mainly applied to study fidelity evolution problem of some typical models of quantum optics, researches on fidelities of the interacting systems between field and atom have been studied deeply.

本文运用纯量子理论，研究了一些典型有意义的量子光学模型保真度演化规律，对光场与原子相互作用的保真度演化特性作了较深入的研究，并引入描述量子信息传输性能好坏的另一个物理量保真度振幅，保真度越高，保真度振幅越小，系统的保真性能越好。

Besides various interferences, the wave front diffusion, the ground absorption and the attenuation are all the causes of a weak seismic reflection and, plus the complicated superficial geologic setting and the reservoir bed features of low amplitude, low porosity and low permeability of the compacted thin detrital rock in HJQ, the conventional seismic amplitude fidelities do not meet the criteria of the seismic inversion.

除各种干扰外，地震波传播过程中的波前扩散、大地吸收、衰减等使地震反射能量变弱，加之杭锦旗地区复杂的表层地质条件和低幅、低孔、低渗致密性薄层碎屑岩的储层特点，使常规保幅地震资料离地震反演的要求还有差距，并且反演技术本身不具备噪音识别功能，包含噪音的反演必然会影响地质效果。

The results show that the cyclic softening is featured in bothvariedly hardened steels under strain controlled in the amplitude range of Δε_t,/2=0.6 - 1.8×10~(-2). The softening effect is mainly gathered in the prior some cycles.And the stress amplitude varies slightly in the sequential cycles, i. e. the softeningeffect is minified.

结果表明：在应变幅为Δεt/2=0.6—1.8×10~(-2)范围内，不同硬化状态的试验钢均表现为循环软化特性；软化效应主要集中在前几周，在随后的循环过程中应力幅变化较小，软化效应减弱；整个循环过程中，未观察到明显的应力饱和现象。

The uniform distribution of phase data and the Rayleigh distribution of amplitude data are investigated and the bit allocation formula is deduced according to the differential entropy of continuous information resource, which points out that the mean of amplitude is the only factor.

进一步研究了相位的均匀分布特性和幅度的瑞利分布特性，由连续信源微分熵定义推导了幅相比特分配的幅度均值公式，指出幅度均值是决定幅相比特分配的唯一因素。

Based on the above theories, some vibration characteristics of longitudinal acoustic horns are analyzed with finite element analysis software ANSYS. Some factors influence to large end amplitude distribution is studied such as big end diameter, length of horn, and diameter ratio of big end to small one. In addition, we carry on analysis and research to resonance frequency of large cross-section acoustic horn, amplitude magnification factor, wave node position of horn, transverse vibration situation and so on, and some related change rules are obtained.

在此基础上，通过有限元分析软件ANSYS对纵向超声变幅杆进行了振动特性分析，研究了变幅杆的大端直径、变幅杆长度、大小端面直径比对大端面振幅分布的影响，并对大截面变幅杆的谐振频率、振幅放大系数、变幅杆的波节点位置，横向振动分布等进行了分析研究，总结了相关的变化规律。

Results show that the small vibration of this ideal model is non-simple harmonic,and the period of vibration in x direction and y direction are inverse ratio to the amplitude inverse ratio to the amplitude respectively,but influenced a little by them,and the waveform that coul.

本文应用拉格朗日方程方法研究了理想对称四弹性振子做二维运动的变化规律，得到其微小振动的控制方程，用数值解法求解出了振动方程，得到了振子运动的时程响应和轨迹图样。

Through analyzing a lot of tested data of seismic waves from deep hole blastings at a different angle, the changing rules and influence factors of such main parameters as frequency, amplitude and lasting time of blasting seismic waves propagating in a rock medium are obtained, and the empiral formulas for calculating the amplitude of blasting seismic wave acceleration are fitted out by binary regression.

通过从不同角度对大量的深孔爆破地震动测试数据的分析，得到了岩石中爆破地震波传播的频率、幅值和持续时间等主要参数的变化规律以及它们的影响因素，并通过二元回归法，拟合出计算爆破地震波加速度幅值的经验公式。

A method for variable length coding an ordered series of digital signals, e.g., of quantized transform coefficients of a block of image data with a most likely-to-occur amplitude, e.g., 0, and at least one other amplitude, e.g., 1, to form a set of codewords.

本发明提供了一种对数字信号例如具有最可能出现的幅度(例如0和至少一个其它幅度(例如1)的图像数据块的量化变换系数的有序系列进行可变长度编码以形成一组码字的方法。

Dixie itself is a nickname for the American South.

Dixie 本身是美国南部的别称。

I think John Terry epitomises that and a big reaction is what we will be looking for.

而我认为特里就是这样一个典型，他正是我们期望看到的那个领秀。