A modified scintillation index ( MSI) is defined as the variance in the square of modal excitations modulus normalized by the square of its expected value over some observation interval. 为了克服模式闪烁指数与声源级和目标距离有关的缺点,提出了修正闪烁指数的定义。
Modal Parameters Identification Method Based on Wavelet Transform and Singular Value Decomposition 基于小波变换和奇异值分解的模态参数识别方法
Because the structure vibrates at some modal, a vibration peak value will appear at its noise frequency spectrum. 这是因为结构以某一阶模态振动时,将在其辐射噪声频谱上出现一个峰值。
Considering the maximum distinguished modal and stability of calculation, the principle of selecting optimal value of Zernike reconstruction is found. Left wing mode; 确定了在综合考虑最高可识别模式和计算稳定性同计算工具关系的情况下,选择最佳重构阶数的基本原则。
This paper, in the terms of stratigraphic unit and rock association, has discussed the geochemical characteristics of ore-forming elements in the lower part of Hutuo group, including the average value, modal value, enrichment coefficient, variation coefficient, and element-cluster analyses. 从地层单元和岩石类型两个方面系统地讨论了滹沱群下部成矿元素的地球化学特征,包括元素的均值、众数值、浓集系数、变异系数以及元素之间的聚类组合特征。
This paper described the structure and principle of neural network, analyzed the neural network modal for risks evaluation of project investment, and further studied the applying value and significance of neural network system through application evaluation. 论文阐述了神经网络结构与原理,分析了项目投资风险评价的神经网络模型,通过应用评价,进一步探讨其应用价值及其意义。
In this paper, modal reduction criterion is derived based on the system response taking as the model of Euler Bernoulli beam, editing modal according to the value of modal costs. The conclusion can be used in a large flexible complex structure system. 该文以欧拉-伯努利梁为模型,推导出基于系统响应梁的模态截断准则,根据模态价值大小取舍模态,其结论可推广到大型复杂结构系统。
With an increase in the modal additional stiffness ratio, the mean value and the standard deviation of the seismic influence coefficient ratio tend to increase. 此外,随着振型附加刚度比的增加,地震影响系数比的均值和标准差呈现逐渐增大的趋势。
It not only can provide theory foundation but also can bring convenience and shortcut realizing method for vibration modal testing of cable-stayed bridges, which has some practical applying value. 该方法可为斜拉桥振动监测中传感器的优化布置提供理论依据和方便快捷的实现工具,具有一定的实际应用价值。
A modal value analysis method is presented to obtain a reduced-order dynamic model with modal coordinates for structures with small damping or without damping. 针对小阻尼和无阻尼结构,提出了一种模态价值分析方法,用于在模态坐标下的动力学模型降阶问题。
The modal frequencies can be approximately estimated by the mean value of shear wave velocity. 各阶固有频率也可由该场地土的剪切波速平均值来估算。
It has been show that the FEM model, modified, using the test modal value is efficient. 结果表明,利用实验模态修正计算数学模型,该方法是一种可行的途径。
Calculation of static strength of rudder based on its structural dynamic model order reduction for structural dynamic model using modal value analysis 应用结构动力学模型进行弹翼静强度计算基于模态价值分析的结构动力学模型降阶
We acquire simplified formula of boundary condition for vibration calculation after analyzing boundary sensitivity factors influencing modal frequency value. 通过对桅杆边界条件敏感因素分析,得出边界条件计算的简化公式。
Meanwhile, an actual measurement of compressor experimental modal analysis has been done to identify its natural frequency, damping ratio and mode shape, which validated that the development of modal analysis software has high value of engineering application. 进而,采用该模态分析软件进行了压缩机实验模态分析的工程应用,获得其固有频率、阻尼比和模态振型,验证了本课题开发的模态分析软件具有较高实际工程应用价值。
The rigidity parameter recognition in different situations ( without noise, with 0.1% noise, with 0.3% noise, with insufficient survey information, and with incomplete modal frequency et al.) has simulated separately using a three-tiers Frame value simulation model. 利用三层框架数值仿真模型,分别模拟其在无噪声、添加0.1%噪声和0.3%噪声以及测量信息不足、模态频率不完备等情况下的刚度参数识别情况。
And the use of modal operators with high value demonstrates Lord Warburton has a high social status and he usually talks confidently and assertively. 高级情态操作词的使用又反映出沃伯顿爵士较高的社会地位,表明沃伯顿爵士说话自信,肯定。
With the increase of the frequency, the modal attenuation value also increases correspondingly, and the guide wavelength becomes shorter which is more sensitive to defects. 随着频率的增加,模态衰减值也相应增大,同时导波波长变小,对缺陷更加灵敏。
In the dialogue between Isabel and Caspar Goodwood, besides the use of modal operators with median value, both characters use many modal operators with low value, which shows that they try to talk in a mild way so as to soften their relationship. 在伊莎贝尔与卡斯博.古德伍德的对话中,除使用中级情态操作词外,双方使用了较多的低级情态操作词,这表明双方努力使用温和语气以缓和双方之间的关系。
In this study, objective function can be established using frequency error, modal assurance criterion and residual force vector combined with different weight value, structural damage were identified by using updating the structural parameter model. 在分析中,将频率误差、模态置信度以及残余力向量(residualforcevector)以不同权重值组合从而建立目标函数,利用IFHSA逐步实现对结构参数模型的修正,进而对结构损伤进行识别。
Value chain management as the most advanced conception and modal, it has immerse effect on improving the core competence and creating the value of the commercial fitness club through bringing and using the advanced conception and modal of value chain management. 而价值链管理,是最为先进的管理理念和模式。成功的借鉴价值链管理理念和模式,为商业健身俱乐部的核心能力和价值创造起到巨大作用。
However, all the six modal particles express different attitudes of the speaker and different degrees of modal value. 而所有的六个语气词都表达了说话者对信息的态度和不同的情态值。
Different dialects have different modal system, so Dialect has great research value. Dialect of Yongzhou is numerous and has its own characteristics. 不同的方言有各自不同的语气词系统,因此方言语气词具有较大的研究价值。
Lord Warburton uses many modal operators with median value to shorten the distance between him and Isabel. 沃伯顿爵士使用大量中级情态操作词来缩小与伊莎贝尔之间的差距。
The modal particles is an important characteristic in the Chinese language. The modal particles in dialecs are abundant and varying respectively, different dialects have their own system of modal particles. Therefore, the modal particles have much bigger research value. 语气词是汉语的一个重要特征,汉语方言中的语气词既丰富又各有特点,不同的方言有各自不同的语气词系统,因此方言语气词具有较大的研究价值。
From the perspective of modality system, in terms of modality value in particular, the modal expressions with median value occupy a great proportion in three scales, followed by the high value and the low value. 从情态系统方面来看,在情态三级值中,中量值占主导地位,其次是高量值和低量值。
The result of test shows that the shapes between experimental modal and numerical simulation are consistent, but there are difference frequencies value among the corresponding modals. 试验结果表明,试验膜面振型与数值模拟结果基本吻合,但对应频率有较大差异。
Using the measurement of structural vibration information updating the structure dynamic model, making the modified modal parameters of the model in line with the measured value is a more effective method of structural model updating. 利用现场实测的结构振动信息修正结构动力模型,使得修正后的分析模型的模态参数与实测值趋于一致是一种比较有效的结构模型修正方法。
I think that the combination of non-well-founded sets and modal logic is a research direction with profound theoretical meanings and value of applications. 我认为,模态逻辑与非良基集合论的结合是一个具有深厚理论意义和应用价值的研究方向。