模拟地

另外还对射频PCB布局布线过程中数字地和模拟地的划分、电源平面的分割和射频器件的布局等方面做了重点的说明。

In the process of PCB implementation , the dividing of digital and analog ground , the spliting of power plane and the layout of the RF devices are highlights .

通常，这两个引脚应该就近连接后再接模拟地。

In general these two pins should be joined together and to the analog ground of the system .

应用四阶基数B－样条小波来模拟地震动加速度过程，将小波分析引入了地震动加速度过程的研究。

This paper uses 4th order cardinal B-spline wavelets to the simulation of the acceleration process of earthquake ground motion and introduces wavelet analysis to the earthquake ground motion acceleration .

即利用VC++的面向对象性质和OpenGL在图形处理方面的优势，实现数据文件的可视化生成，并且可以利用数值模拟地输出结果实现海冰堆积过程的可视化仿真。

With the object-oriented property of VC + + and advantage of OpenGL in graphics , the data file is created visually and the interaction of ice sheet with inclined breakwater and semi-circle breakwater is manifested dynamically and visually using the output result of numerical simulation program .

随机方法模拟地震动的应用研究

Application Research of Simulation of Ground Motion Using the Stochastic Method

随机点源方法和随机有限断层方法模拟地震动的比较

The comparison between stochastic point-source method and stochastic finite-fault method

零价铁强化生物还原法处理模拟地浸采铀废水

Zerovalent Iron Enhanced Biotreatment of Simulated Wastewater from in Situ Leach Uranium Mining

模拟地热水环境中304不锈钢管材的结垢与腐蚀电化学行为

Scaling and electrochemical corrosion behavior of 304 stainless steel pipes in a simulated geothermal water environment

数值结果表明，六阶迎风偏斜格式的计算结果与真解最为接近，并且在低波数范围内此格式能够很好地模拟地转适应过程。

Numerical results show that the sixth order upwind-biased scheme is the best agreement with the exact solution .

随机法模拟地震动目前主要采用点源模型和有限断层模型两种方法。

At present , two main stochastic models , point-source model and finite-fault model , are adopted to simulate ground motions .

本论文从核磁共振理论入手，建立了层状大地单一含水层数学模型和多层含水层数学模型。通过模拟地磁场条件进行了正演计算。

By building the single water-saturated layer model and multi-water-saturated layers model , NMR forward calculation is done in the simulated geomagnetic field .

指出目前的发展趋势是将地震学方法与工程方法相结合以建立更合理的模拟地震动的方法。

It is pointed out that present approach of research is to build reasonable method of simulating strong seismic motion by combining seismology method and engineering method .

结果表明：用经验格林函数方法模拟地震动的反应谱与记录总体符合得很好，说明经验格林函数方法是有效的人工合成地震动方法。

The results show : When using the Empirical Green Function method to simulate ground motion , response spectrums accord with the records perfectly . It suggests that the Empirical Green Function method is the most effective way to simulate ground motion .

根据所获取的各层的条件失效概率进一步计算了各结构体系的条件失效概率（5）针对各结构体系的地震动响应，进行了模拟地震动的振动台试验研究。

Make further calculation of the conditional failure probability of each structure system according to the conditional failure probability of each level obtained . ( 5 ) Conduct the simulative research on the shaking table tests by aiming at the seismic response of each structure system .

由于现在市场上并没有一种设备可以直接产生突发信号，而在突发模式光发射模块的研发工作中又必须用到突发信号作为调试和测量之用，所以必须能够在实验室里模拟地产生突发信号。

There is no one kind of facility can generate burst mode signal directly in nowadays market , while we must use the burst mode signal to debug and test the module . So we must simulate the generation of the burst mode signal in the lab.

FDTD方法模拟探地雷达探测硝基苯在介质中分布及电磁波响应特征

The Distribution and GPR Response Modeling of Nitrobenzene in Medium by FDTD

时域有限差分法（FDTD）模拟探地雷达极化测量

The Simulation of GPR Polarization Measurement with Finite-Difference Time-Domain ( FDTD ) Method

针对上述地震反应的重要因素的缺点，提出模拟真实地震动的基于多模态循环往复加载的Pushover分析方法以及循环加载时目标位移时程的确定方法。

For the traditional Pushover method having the above-mentioned shortcomings of the important factors in seismic response , the cyclic loading pushover method to simulate the real ground motions and the method of determining target displacement during cyclic loading are suggested .

地质模拟是地学研究的新手段之一。

Geological simulation is one of the most important methods in geological study .

模拟接地体电流分布的测量

The Measurement on Current Distribution of Grounding Grid Model

而空间过程模拟是地学现象研究的主要手段。

Spatial process simulation is the main way to study the geographic phenomena .

结合数值模拟系统地分析了黄土滑坡的流滑机理。

Combined numerical simulation , the mechanism of flow slide of loess landslide is discussed .

粒子系统模拟泥地的探讨

Modeling Muddy Object by Using Particle Systems

林窗模型的几个基本问题的研究Ⅱ.模拟样地个数的效应

A Study on Several Basic Issues of Forest Gap Model :ⅱ . Effects of Simulated Plot Number

半不定网络常常用来模拟浮地阻抗和浮地网络。

Semi & indefiuite networks have been often used for the simulation of floating immittances and flooting networks .

通过活性水的室内实验和油藏数值模拟系统地研究了活性水的驱油机理。

Oil-displacement mechanism of activity water is studied by utilizing shop experiment of activity water and numerical reservoir simulation .

这一模拟恰到好处地演示了，机械能到化学能和电能的转换过程。

This is visualizing the process of the conversion of mechanical energy into chemical and electrical energy very nicely .

计算机模拟成功地预测了稳态生产线上缩颈、哑铃边这两种常见的工艺缺陷。

Computer simulation succeeded in predicting two basic defects in the steady film casting line , i.e. neck-in and edge-bead defects .

用数值模拟定量地研究了非傅立叶效应对稳态导热过程的影响。

Numerical simulations have been carried out to demonstrate quantitatively the influence of non-Fourier behavior on the steady state heat conduction .

在汽车和冶金工业中，板成形数值模拟广泛地应用于零件的选材和模具的设计。

In automobile and metallurgical industry , sheet metal forming numerical simulation has been widely used in material selection and die design .