In this paper, the step frequency response equation of optical-region radar target is firstly established by using theories of multiple scattering centers and local resonance.
本文首先根据多散射中心理论与局部谐振原理，建立了雷达目标在光学区阶梯频率波形激励下的响应方程。
Models of acute crush injury of sciatic nerve in rabbits were established, and were (observed) by high-frequency ultrasonography 1, 2, 4 and 8 weeks respectively after damage.
建立兔坐骨神经急性挤压伤模型，损伤后第1、2、4、8周，分别应用高频超声在同一水平上观察双侧坐骨神经的变化。
The sensitivity formulas about natural frequency and flutter damp to structure parameters were discussed, and the math models about optimization design were established.
建立固有振动频率和颤振阻尼对结构参数的敏度公式，设计两种不同优化问题的数学模型。
Based on the introduction of components and principle of work of frequency modulation system of constant frequency AC power supply, math model of frequency modulation system is established.
在介绍某型恒频交流电源频率调节系统的组成和工作原理的基础上，建立频率调节系统的数学模型。
The effective area of the receiving antenna is calculated with the established models, and measured at some points in the given frequency range.
通过建立相应模型，对接收喇叭的有效面积进行了计算，并在部分频率点上进行了实测。
In this paper, a coupling model of Beam element finite element boundary element Infinite boundary element for the analysis of structure foundation system in frequency domain is established.
采用梁单元、有限元、边界元、无限边界元相结合的方法，建立了频域中结构-半无限地基系统的分析模型。
The FEA(finite elements analysis) model is established for coach monocoque frame. The analysis on static, mode, frequency response and fatigue life are carried on.
建立全承载客车骨架的有限元壳单元模型，分析其静力、模态、频率响应和疲劳寿命。
The topological optimization model of continuum structure that minimizes weight and subjects to static displacement and frequency constraints is established by ICM method.
用ICM方法建立了静位移及频率约束下、重量最小为目标的连续体结构拓扑优化模型。
Established in 4 HACCP control procedures, including monitoring, monitoring, monitoring frequency and who to control of the content, in order to ensure full compliance with the standards to control.
建立HACCP监控程序，包括监控什么、如何监控、监控频率和谁来监控等内容，以确保控制标准得以完全符合。
First, road roughness is simulated in frequency and time domain, and some vehicle models are established for the study of vehicle dynamic load.
首先，从频域和时域的角度对路面不平度进行模拟，进而建立一系列车辆动力学模型，并以此作为车辆动载荷分析的基础。
Making use of seismic frequency as order parameter, the master equation of order parameter which represents regular evolution of seismicity is established by means of adiabatic elimination principle.
对于地震断裂系统，利用地震频度作为序参量，并应用绝热消去法建立了代表地震活动演化规律的序参量所满足的主方程。
By studying the mesoscale mechanism of the frequency effect of the non-classical nonlinear behavior, a non-classical nonlinear theory model with frequency effect is established.
通过对岩石的非经典非线性时频效应的微观机制的研究，建立了能够反映岩石的非经典非线性时频特征的理论模型。
By considering both material relevancy and requirement frequency, an optimization model for the storage location assignment in the multi-aisle warehouse was established.
根据物料相关性及需求频率，建立了多巷道仓库中货位分配的优化数学模型。
The motion equation of nonlinear rotor-bearing system is established and the frequency responding equation is obtained by multiple-scales method.
建立非线性转子系统运动方程，利用多尺度法求得频率响应方程。
The finite element model of body-in-white of a SRV is established. The implicit frequency and vibration types are obtained by modal analysis.
建立了某运动休闲车(SRV)白车身的有限元模型并进行了模态分析，得到了SRV白车身的固有频率和振型。
Based on available frequency standards: one prototype laboratory model of cesium clock, three hydrogen clocks and several (2-6) rubidium clocks, the SO atomic time scale has been established.
利用我们现有的标准，一台试验型实验室铯束标准，三台氢原子钟以及若干台(2 -6)铷气泡标准来建立原子时尺度。
The fundamental equations of elastic mechanics were established through research of the spreading of elastic wave in honeycomb structure. The cut-off frequency was solved from the equations.
通过对弹性波在蜂窝结构中传播的研究，建立了弹性力学基本方程，得出了截止频率；
The FE model of the highspeed machining center is established using the software ANSYS. The influence of guideway 'rigidity on natural frequency of the highspeed machining center is discussed.
利用ANSYS建立了某型号高速加工中心的有限元整体分析模型，探讨了不同位置导轨的刚度变化对高速加工中心固有频率的影响。
In this paper, a current control mathematical model is established with fixed switching frequency for three-phase pulse width modulated (PWM) converter.
建立了三相电压型PWM整流器电流控制数学模型，输入电流在静止坐标系下实现了固定开关频率的解耦控制。
The statistical model of frequency and intensity of anomalous microtherm events in Nanjing is established by means of the extreme value distribution theory of stationary time series.
本文借助于平稳时间序列的极值分布理论，对南京地区异常低温事件频次和强度建立统计模型。
The solar irradiance can be predicted with the algebraic sum of the irradiance of each frequency range forecasted by the established network model.
然后用网络模型对各频域分量进行预测，将各预测结果进行代数叠加，从而得到太阳辐射的预测结果。
In this paper, the module of this system is established, the system's dynamics is studied, and the frequency response of the key blocks in the system module is tested through experiment methods.
论文中首先建立了系统的数学模型，分析了系统动态特性，并通过实验方法辨识了系统数学模型主要模块的频响特征，作为建模过程验证以及控制算法设计依据。
The function of drip irrigation frequency, drip irrigation quota and crop yields, irrigation water productivity is established through the experiment values and data analysis.
通过试验及分析建立了春小麦滴灌次数、滴灌定额与作物产量及灌溉水分生产率的函数关系。
A mathematical model of the servo-mechanism based on classical control theory is established. Estimation of its static and dynamic characteristics, namely step response and frequency response is made.
本文根据古典控制理论，建立了伺服机构的数学模型，并对其静态特性和动态特性——阶跃响应和频率响应特性进行了估算。
The supports of continuous-time signal's cyclic frequency and cyclic moment spectra are discussed, and the nonaliasing constraints have been established and discussed.
在讨论了连续信号循环频率的支撑区及循环矩支撑区的基础之上，给出了连续信号在时间离散化时不发生混迭的条件；
Based on vector-spectrum method, the concept of vector amplitude-frequency figure and vector waterfall figure is established.
基于全矢谱理论，定义全矢幅频特性图和三维全矢瀑布图的概念。
Based on Lagrange dynamics model of vibration machinery system is established. Natural frequency, vibration model and systemic response are worked out.
基于拉格朗日法建立振动筛系统动力学模型，分析出了该系统的固有频率、主振型及系统的响应。
And has established a union road ecology landscape attribute data and the spatial data road landscape video frequency database management system in this foundation.
并在此基础上建立了一个结合公路生态景观属性数据和空间数据的公路景观视频数据库管理系统。
The formula of coincidence frequency is established and the methods for increasing coincidence frequency are discussed. The conclusion is of some value in theory and practice.
建立了符合频率公式并讨论了提高符合频率的方法，其结论具有一定的理论价值和实用价值。
Among others, additional devices for electronic length measuring and defects counting are established and frequency conversion technique is used for mechanical transmission.
主要为增加电子计长功能、增加了电子计疵功能、机械传动采用了变频技术。
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