With the increase of the incident wave frequency, the amplitude distribution become complex gradually.
随着入射波频率的增大，位移幅值的分布由简单逐渐变得复杂。
In addition, the amplitude distribution asymmetry is bigger if the frequency is higher when the length of beam is the same.
同一长度的振动梁，工作频率越高，振幅不均匀度越大。
The amplitude distribution, power spectrum and parameters are discussed briefly based on the return at a high grazing angle.
随后以大擦地角的回波信号为例，简要分析了杂波模型的幅度分布、功率谱和参数的特性。
It is found that the amplitude distribution of nai-row band semiconductor noise agrees with that of the normal law distribution.
测量结果证明窄频带晶体三极管噪声的振幅分布，和遵守正态律的振幅分布相符合。
The high-voltage plateau curve, pulse amplitude distribution and efficiency curve were measured with electron and positron beams.
本文介绍用电子和正电子束流测试单通道电子倍增器的高压坪曲线、脉冲幅度分布和效率曲线；
Based on theory of compound scatter, the amplitude distribution, temporal correlation and spatial correlation were discussed here.
基于海杂波的复合散射理论，分析了海杂波的统计分布模型、时间相关性和空间相关性。
Using this interferometer, the vibration amplitude distribution of a stainless steel sample with a rough surface have been measured.
用这个干涉仪测量了一个有粗糙表面的不锈钢片的振动振幅分布。
The near field properties of circular aperture antennas with Gaussian amplitude distribution are analyzed by the aperture field integration method in this paper.
采用口径场法对具有高斯幅度分布的圆口径天线辐射近场进行了分析。
On the basis of the coupled-wave theory of local volume holography, the amplitude distribution and the diffraction efficiency of the diffracted beams are calculated.
利用局域体全息的耦合波理论，计算了该透镜衍射光的振幅分布和衍射效率。
Based on sea clutter reflectivity mechanism, this paper analyses the amplitude distribution characteristic, correlation characteristic and spectrum characteristic of sea clutter in depth.
基于海杂波散射机理，深入分析了高分辨雷达的海杂波幅度分布特性、相关特性和谱特性。
The sound signal received and processed by the original sonar system is converted by comprehensive frequency spectrum and forms a digitized dynamic frequency-amplitude distribution curve.
原有声纳系统接收处理后的声音信号经过综合频谱转换后，形成数字化的动态频率-幅度分布曲线。
One key step for full field correction is to match the main laser amplitude distribution with beacon amplitude distribution on deformable mirror 2 in two deformable mirror adaptive optics.
在双变形镜自适应光学系统中，实现全场补偿的关键步骤之一是使得变形镜2上主激光的振幅分布具有信标光振幅分布。
The amplitude distribution of narrow hand semiconductor noise in junction type OC70, OC71 and point contact type 2N32A transistors were measured experimentally by the "maximum amplitude" method.
本文中描述用振幅峰值的方法，测量面接触型晶体管OC70，OC71和点接触型晶体管2N32A内窄频带低频率噪声的振幅分布。
Based on Tchebycheff distribution and Taylor distribution, this paper presents a new amplitude distribution-normal distribution, the density function of which is used to design an antenna array.
本文在切比雪夫分布和泰勒分布的基础上，提出了一种新的振幅分布即正态分布，并利用正态分布密度函数来设计阵列天线。
With the use of holography, the mode, amplitude and phase distribution of gas turbine blade vibration can be determined.
利用全息照相，我们可以得到燃气轮机叶片振动时的振型、振幅和相位分布。
Considering the effect of distribution of amplitude vs time t, we reconsider the problem of transition of a two-level atoms which interacts with optic field.
考虑到光场的振幅随时间分布的影响时，我们重新研究了光场与二能级原子相互作用的跃迁几率问题。
Using the 10th International geomagnetic Reference Field (IGRF) models, the latitudinal distribution of harmonic amplitude and its time-variation of geomagnetic potential are investigated.
利用第10代国际参考地磁场模型(IGRF)的资料，研究了地磁位的谐波振幅的纬度分布及其时间变化。
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。
Numerical calculations have been performed to describe the propagation of super Gaussian (SG) beams and the changes in the intensity (amplitude) distribution and phase behavior.
为说明超高斯光束的传输特性，以及光强（振幅）分布的位相的变化，进行了大量数值计算。
In some cases, the continuous distribution model of fatigue failure life and stress amplitude level is more valuable in analyzing the damage of ponogena under complicated stress.
在某些情况下，如进行复杂应力条件下的疲劳素损伤分布分析，疲劳失效寿命和应力幅水平的连续分布模型更有意义。
Land clutter's power spectral model is presented, and the characters of the probability distribution of land clutter's amplitude are also analyzed.
对地面雷达地杂波建模方法进行了深入研究，给出了地杂波功率谱模型，分析了地杂波幅度概念分布特性。
The test results show that the predicting fatigue life under variable amplitude loading follow the log normal distribution and agree well with simulation test results.
结果表明，变幅载荷下疲劳寿命的预测结果和模拟结果均服从对数正态分布，且两者符合很好。
It is shown by test results that at a given equivalent stress amplitude the constant amplitude fatigue life follows the lognormal distribution.
结果表明，在同一应力水平下，所用试样的常幅疲劳寿命服从对数正态分布。
The space frequency distribution on rear focal plane restores to the distribution of complex amplitude on image plane.
后焦面上的频率分布还原成像面上的光场复振幅空间分布。
Quantitative differences were found for the mean amplitude analysis with amplitude reduction in LAHP in addition to distribution differences.
平均幅值分析显示晚学高水平双语者幅值普遍比早学高水平有所减小，并且分布上也有差异。
Intensity space distribution near image point of optical system is derived based on the accurate amplitude (therefore the intensity) analytic expression for Fresnel diffraction.
根据准确的菲涅耳衍射振幅和光强解析表达式推导出光学系统像点附近的光强空间分布。
The probability distribution curve of the fluctuating pressure amplitude on the side wall of narrow-gap energy dissipater coincides with the normal probability curve.
窄缝消能工边墙的脉动压力振幅概率分布符合正态概率曲线。
Based on radar clutter distribution, the radar clutter model is analysed for amplitude probability density distribution and power spectrum density distribution.
从雷达杂波的分布特性出发，分析了杂波的解析模型，阐述了雷达杂波幅度的概率密度分布及其功率谱密度分布。
Taking the distribution of mean wind velocity into account, the random crack growth model under variable amplitude load was established.
考虑平均风速的分布的影响，建立了随机荷载作用下的疲劳裂纹扩展模型。
Taking the distribution of mean wind velocity into account, the random crack growth model under variable amplitude load was established.
考虑平均风速的分布的影响，建立了随机荷载作用下的疲劳裂纹扩展模型。
应用推荐