There are two parts in the paper , the first is about the principles of opc , lithography simulation algorithms , opc implementation and based on nanoscope , a verification tool , some verification to corrected designs are implemented 本文主要包括两部分,第一部分主要介绍了光学邻近校正的原理,光刻模拟算法和光学邻近校正的实现,并且基于软件nanoscope对一些进行过光学邻近校正处理的设计进行可制造性检查,并对结果进行总结。
For overcoming nonsmooth of temperature field , temperature field equations in subdomains are built respectively in rectangular coordinate and in cylindrical coordinate . based on the numerical simulation algorithm in this paper , numerical results for temperature field are given and analyzed 基于我们构造的三维温度场数值模拟算法,给出了变压器运行过程中温度场在空间与时间分布的数值结果,并对所得到的数值结果进行了分析。
In the first part , we have studied the stimulated algorithm of the diffraction of light ; and , through direct integral , convolution , and fourier transform , we created the numerical algorithm of fresnel integral and additionally , these three methods have also been compared in this paper 首先研究光线衍射传播的模拟算法,分别利用直接积分法、卷积法和傅里叶变换法实现了菲涅耳积分的数值计算方法,同时比较了这三种方法的优劣。
This system renders textile designers change all the fabric properties freely , and express ones " ideas incisively and vividly . meanwhile , this paper emphasizes the display algorithm of tightly arranged threads overlap , thread picture simulation and feather generation 其中着重介绍了纱线紧密排列,存在相互覆盖时的显示算法(包括同种类型的纱线相互覆盖和不同类型的纱线相互覆盖) ,单根纱线的平面模拟算法和生成纱线毛羽纹理的方法。
So the thesis proposes that use stochastic petri net as the expression of them in the front - end , use gillespie - gibson algorithm to perform the simulation processes in the back - end . thus not only can express biological processes intuitively , but also obtain rapid simulation speed 因此提出前台用随机petri网描述,后台采用gillespie - gibson随机模拟算法进行模拟,进而分析系统的性能,这样既保留了生物过程描述的直观性,又大大提高了模拟的速度。
( 4 ) the paper studied some related theory and methods with real graphics . it has also researched the simulation algorithm of special effects , including multi - transparent fire texture algorithm , dispersion effect of trail of missile algorithm and simulated the later 研究了真实感图形的相关理论和方法以及动态特殊效果的模拟算法,包括多幅透明火焰纹理连续叠加绘制的燃烧效果算法、导弹尾焰的强烈喷射效果算法等,并实现了导弹尾焰喷射效果的模拟; 5
This paper mainly introduce distribution and parallel vhdl simulation which use lots of processors to parallel simulate vhdl model circuit according to the parallel characteristic of circuit itself . so this method can greatly improve simulation speed . however , further research is needed 本文主要介绍了并行分布式vhdl模拟算法,根据电路本身的并行特性,这种方法使用多个处理单元并行模拟vhdl模型电路,因此可以极大的提高模拟速度,但是仍需要进一步的研究。
As to the stochastic simulation of stochastic biological processes , if only use stochastic petri net , although it has standard graphics expression , which is isomorphic to markov chain , along with the increase of models ’ scale and complexity , the number of states will increase exponentially , so it is very difficult to analyze models by the method which stochastic petri net has ; if only use stochastic algorithm , which has rapid simulation speed , but lack of intuitive graphical expression 对于随机生物过程的模拟,如果只采用随机petri网模拟生物随机过程,其优点是形象、直观,缺点是随着模型的规模和复杂性的增加,状态的数量呈指数性地增长,出现模型状态空间的爆炸问题,用随机petri网本身的分析方法很难分析整个系统的性能;如果只采用随机模拟算法模拟,其优点是速度较快,但是缺少形象的图形表达,不利于模拟技术的应用。
This paper is trying to combine computer - generated hologram and digital holography together , to give the stimulated algorithm of the fresnel diffraction and through computational stimulation generate the hologram , which will reconstruct the original image , and ultimately , realize the numerical reconstruction of the hologram 本文尝试将计算全息与数字全息相结合,研究光线的菲涅耳衍射传播的模拟算法,用计算机模拟生成全息图,并由所生成的全息图再现出原始图像,实现全息图的数字重现。
The main contents are as follows : it discusses and simulates several problems of digital map technique in aviation : including random terrain , mountain simulation , fractal surface generation , by those we can get statistic data of the terrain . we can get the data not on the grid by fractal interpolation surface 具体内容包括以下几个方面:针对数字地图技术,本文讨论并研究了随机地形算法、山峰模拟算法、分形曲面生成算法,通过这些算法可以得到具有不同统计特性的地形数据;使用基于分形插值曲面算法可以得到不在网格点上的地形数据。