将覆盖层单元近似为粘弹性圆柱管，导出轴对称波的特征方程。
Approximating the unit of coating as hollow viscoelastic cylindrical shell, an eigen equation of the axisymmetric waves is derived.
分析结果表明与弹性圆柱管相比粘弹性圆柱管中轴对称波的各阶传播模式均存在衰减，高阶传播模式并无严格意义的截止频率。
The results show that there exist attenuation in all propagation modes along viscoelastic cylindrical tube, and higher-order propagation modes haven't cut-off frequency.
本文用耦合波理论处理了对称四磁极磁化情况下，微波铁氧体的非互易双折射效应和变极化效应。
Both nonreciprocal birefringent effect and variable polarization effect of microwave ferrite in the symmetrical four-pole magnetized field are discussed in the light of coupling-wave theory.
主要考虑非线性波方程组的一些简单对称及其构成的李代数，并利用所得对称给出该方程组的一些单参数变换群。
In this paper, the symmetries and Lie algebra of a coupled nonlinear wave equation were discussed. One-parameter transformation groups of this equation were obtained by using the symmetries.
由于引入四波混频耦合项，模相互作用的效应对次级模的影响是对称的，均使次级模受到增益抑制。
Due to the coupling term of the four-wave mixing, the mode interaction has a symmetric effect on the submodes, inducing the gain suppression on them.
尾波场效应导致脉冲自相位调制的不对称性，其大小与初始脉冲形状和脉宽大小有关。
The effect of wakefield, which depends on the initial pulse shape and width, leads to the asymmetry of pulse self phase modulation.
对对称三角线性调频连续波雷达进行理论分析和工程实现是本文研究的主要内容。
The theoretic analysis and industrial implementation of symmetrical triangular LFMCW radar form the major content of this paper.
根据非对称矩形同轴线原理研制了宽带吉赫横电磁波室。
A gigahertz TEM cell is developed according to the principle of asymmetric rectangular coaxial line.
主要研究了热方程与波方程的非古典势对称群生成元及相应的群不变解。
Some nonclassical potential symmetry generators and group-invariant of heat equation and wave equation were determined.
来自H01的近红外J波图像是轴对称的的延伸图像。
The J-band image from H01 is elongated and axially symmetric.
介绍基于最低阶反对称板波激励、扫频幅度相位显示的复合材料粘结质量评价的新方法。
Descriptions are made of a new instrument based on the lowest order asymmetric plate wave excitation and swept frequency amplitude phase display.
本文讨论了球对称激光等离子体中的自生磁场，导出了由TE波引起的自生磁场的表示式。
We have discussed the spontaneous magnetic field in a spherically symmetric laser plasma. The expression for the spontaneous magnetic field due to TE wave is derived.
利用所构造的复数正交紧支对称小波，分别研究了电网电能质量扰动的检测、定位与分类问题。
From this, detection, location and classification of power quality's disturbances are analyzed respectively, by the symmetry complex compactly-supported orthonormal wavelet constructed.
另外，推测了马赫数4拟似冲击波非对称的原因。
Moreover, the reason that Mach 4 oblique shock wave is asymmetric is conjectured.
基于小波变换的分析方法，提出了基于定子三相电流之间相位对称度检测的定子绕组匝间短路故障在线检测新方法。
Based on wavelet transform, a novel on-line detection method is presented, which is based on the detection of symmetry degree among the stator three-phase line currents phases.
在对车型识别去噪和边缘检测进行分析的基础上，提出了一种基于反对称小波的检测方法。
On the basis of the analysis of denoising and edge detection of vehicle recognition, this paper proposes an effective detection method based on anti-symmetrical wavelet.
本文将“新波”理论进一步拓展，使之可以应用于陡波模型的建立，得到波峰前后面不对称的波性。
In this paper, the new wave theory is extended to establish steep wave model, which results in the wave shape with asymmetric surface.
使晶体转轴与温场对称轴不一致，则在晶体弯月面内会产生随时间变化的正弦波式的温度分布。
We intentionally render the rotational axis of growing crystal to deviate from the symmetry axis of the temperature field, the temperature fluctuations with sinusoidal form in meniscus are produced.
所得结果定量地阐明了波剖面的非线性上下不对称性对波动场统计特征的影响。
These results quantitatively expound the effect of the nonlinear up-down asymmetry of wave profile on the statistical properties of the wave field.
多小波可以同时具有对称性、正交性、短支撑性、高阶消失矩等性质，这是传统小波无法比拟的。
Multiwavelet can possess symmetry, orthogonality, short support and high order vanish moments, however traditional wavelet cannot possess all these properties at the same time.
导出了对称和斜对称模式下波传播的特征方程。
The secular equations for symmetric and skew symmetric wave mode propagation were derived.
本文分析了充流体管中由点源激发的对称模式弹性波。
Trasmission properties of symmetrically guided modes excited by a spherically symmetrical impulsive point source in fluid-filled tube are investigated.
接着从对称性、力波阶数等角度研究了SR 电机相数及绕组连接方式、极数、并联支路数的选择问题。
Then the selections of phase number, winding connection, pole number and number of branches in parallel are optimized according to the SRM's symmetry and order of force wave.
本文讨论了非线性对称平板波导中的TE波的偶模及奇模的传输问题。
The transmission problems of an even mode and an odd mode of TE waves in symmetric slab waveguides are considered.
我们用光谱分辨的二次谐波方法测定了连续波同步泵浦染料激光脉冲形状的非对称性。
We have determined the pulse shape asymmetry in a synchronously pumped dye laser using the method of spectrum-resolved SHG correlation.
结论心电图巨大对称性倒置T波且不伴左心室肥厚对冠心病有一定的预测价值。
Conclusion Symmetrical and giant negative t wave not complicating with left ventricular hypertrophy in electrocardiogram has a predictive value for coronary heart disease.
一维平面对称爆轰波的推进具有周期性。
Periodicity advance model of 1 - D slab symmetry detonation wave is investigated.
一维平面对称爆轰波的推进具有周期性。
Periodicity advance model of 1 - D slab symmetry detonation wave is investigated.
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