FEM Model is made and programmed in MATLAB, reasonable size is worked out, relation between frequency and density is analyzed, and the vibratory mode shape is given.
用有限元法建立了圆筒谐振子的模型，通过MATLAB软件编程，计算出合理的谐振子参数，对其频率密度特性进行了分析，并给出了振子的振型分布。
Friedman's pricing formula takes into account square footage, cleaning frequency, and "population density."
Friedman的服务价格将面积，频率，甚至“人口密度”都计算在内。
Your base frequency is rising as more and more of this reality subtly alters, transforming the very nature of the density of your body.
你们的基本频率在提升，作为越来越多的这个实相的微妙改变，转变这个密度的你们身体完全的本质。
An empirical formula describing the dependence of the power of hysteresis loss on frequency, magnetic flux density and temperature was derived.
得出磁滞损耗功率与频率、磁通密度及温度的经验公式。
It has a high density of active volcanoes, and a high frequency of volcanic eruptions.
它有高密度的活火山与高频率的火山爆发活动。
The EB scanning track, scanning frequency and energy density distribution at heating zone could be programmed off-line and adjusted on-line.
利用该系统可对电子束扫描轨迹、扫描频率以及加热区域电子束能量密度的分配进行离线编辑和在线调节。
The attenuation coefficient decreases with increasing of frequency and the gas density.
衰减系数随频率增加而减小，并且随密度增加而减小。
Fluid density is measured by self push resonant principle and frequency tracking method.
流体密度的检测是采用自激振荡原理和频率跟踪法得到的。
B solution, the function of wave attenuation, wave frequency and plasma density is deduced.
解，推导出电磁波能量衰减与电磁波频率和等离子体密度的关系式。
In the millimeter band, the variations are found of the power density of the rain clutter induced by back scattering with frequency and rain rate.
在毫米波段计算了雨区的后向散射引起的雨杂波功率密度随频率及降雨率的变化。
Fluid density is measured by self-push resonant principle and frequency tracking method.
流体密度的检测是采用自激振荡原理和频率跟踪方法得到的。
A novel drive system with high frequency AC pulse density modulation for electric vehicles is proposed, and its operation principle and control method are studied in detail.
提出了一种用于电动汽车的高频交流脉冲密度驱动系统并阐述了系统的工作原理和控制方法。
Crater depth versus pulse power density, average laser power, pulse repetition frequency and focal distances are built up through experiment.
试验建立起了凹坑深度与脉冲功率密度、激光平均功率、脉冲重复频率和离焦量之间的关系曲线。
So each day, as one intends to ascend, the next layer of density falls away in the etheric, and the next layer of yet higher frequency is integrated.
因此每天当你意愿提升时，下一层致密从以太剥落，而下一层更高频率被整合。
Elastic parameter such as impedance, velocity, Poisson ratio etc. and pre-stack amplitude, frequency attributes can be used to quantitatively predict the fracture density and direction.
利用阻抗、速度、泊松比等弹性参数和叠前振幅、频率属性可对裂缝密度和方位进行定量预测。
Mode conversion efficiency has been calculated as functions of acoustic frequency, interaction length, guiding layer thickness, and acoustic drive power density.
模式转换效率可化作声波频率、声光作用长度、波导厚度和声波功率密度的函数，并利用数值计算得出结果。
The loads and the distribution of stress amplitude frequency are obtained by cycle count and reliable data for fatigue design are provided by probability density function fit.
用循环计数法求出载荷及应力幅频率分布，用概率密度函数拟合，为疲劳设计提供可靠性高的数据资。
Power density increases linearly with applied voltage increasing and increases with applied frequency increasing.
能量密度随激励电压的增加而线性增加，随频率的增大而增大。
Electrical testers are widely used, but they are facing challenges from high-density PCB assemblers and very high frequency boards' testing tasks.
但是，电气测试仪将面临高密度pcb和甚高频电路测试的挑战。
The morphology, species frequency, spore density and natural infection rate of the VAM fungi in tea gardens were studied in the southern parts of Henan province.
对豫南茶园VA菌根真菌形态、种类、种群频度、孢子密度及自然侵染率进行观察与测定。
In the moving vortex lattice phase the time dependent voltage is periodic with time, and the frequency of voltage is proportional to the current density.
在运动涡旋相，电压的轨迹相对时间是周期性的，其振动频率与电流密度成正比。
They obey normal distributions. Distributions of power spectral density (PSD) for pressure signal display narrower frequency range and higher amplitude.
压力信号的功率谱密度具有频率波动范围窄、幅值大的特点；
In this paper, the effects of critical electron density of plasma and the plasma frequency of electron on the refraction, absorption and reflection of the electromagnetic wave are studied.
着重研究了等离子体临界电子密度、电子等离子体频率等参数对电磁波的折射、吸收、反射的影响。
For different plasma-density profiles, the effects of the frequency of EM wave, collisional frequency and plasma density on the attenuation of electromagnetic wave were discussed.
给出了等离子体电子密度线性分布和指数分布时，雷达电磁波的频率、电子碰撞频率、等离子体密度对电磁波衰减的影响。
The disturbance of wind mainly means the variety of speed and frequency of wind, and it's affected by forest density and the distribution of wind field under complex landform.
风的扰动主要包括风速、频率等的变化，并受不同林木密度和复杂地形下的风场分布的影响。
A novel topologic structure of high frequency AC pulse density modulation converter is proposed, and its operation principle, control scheme and design are described in detail.
提出了一种新颖的高频交流脉冲密度调制变频器的拓扑结构，并详细阐述了工作原理、控制方案和设计方法。
A novel topologic structure of high frequency AC pulse density modulation converter is proposed, and its operation principle, control scheme and design are described in detail.
提出了一种新颖的高频交流脉冲密度调制变频器的拓扑结构，并详细阐述了工作原理、控制方案和设计方法。
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