After analyzing and discussing the results a conclusion is drawn that it is a kind of valid method to realize the automation and intelligence of distinguishing chemical agents using the neural networks combined with chemical sensor 用沙林模拟数据进行了测试和分析,结果表明,利用与化学传感器相联结的神经网络识别毒剂,是实现毒剂识别自动化、智能化的一种有效方法。
Discussing the design project of the trial system of digital array radar . and discussing the simulation pci adapter ' s hardware realization on details . in the design the low voltage differential signaling ( lvds ) was designed to transfer data from pcs to the dsp system ( 4 )数字雷达试验平台模拟数据产生源的设计和具体硬件实现:完成了基于pci总线接口和低压差分信号( lvds )传输线的模拟数据产生源试验。
Data broadcasting , which boasts the technical advantages of " magnanimity , high - speed and reliability " , is highly valued when compared to the other communication methods and the old - fashioned analog broadcasting systems , and has developed rapidly for the recent several years (数字)数据广播具有"海量推送,高速下载,安全可靠"的技术领先性,有其它通信方式和模拟数据广播不能比拟的优点,在最近几年获得了迅猛的发展。
On the other hand , this paper concentrates on var - based and cvar - based investment decision - making . a case study is implemented with historical and simulative data to demonstrate their applications in asset allocation risk management portfolio construction and performance evaluation 另一方面,本文重点研究了基于var和cvar的投资决策问题,并通过历史数据与模拟数据作了实证研究,展示了二者在资产配置、风险管理、组合构建、绩效评价中的应用情况。
Based on the queuing theory is , new delay model is brought forward . then the model is modified and parameters are estimated by simulated data . after talking about the effect factors , the model is compared with existing famous models 根据车辆的到达过程和服务过程特性,在理论分析基础上,得到了理论排队模型和延误模型,并根据模拟数据对模型进行了修正和参数标定;对延误的部分影响因素作了分析的同时还考虑了与其他模型的比较,同时还简单地讨论了左转延误。
The macro model of drift region resistance was established based on the solution of poisson ’ s equations and continuity equations . by the combination of spice mos ( level = 3 ) and the macro model , the complete dddmos model was then obtained , which accords well with simulated data . by simulating and comparing different devices of different process parameters , the model is applicable for different bias regions and can be useful in the power integrated circuit research in future 首先介绍了器件建模的基本原理及相关模拟技术,然后利用工艺模拟软件生成器件基本结构,并对其基本特性进行了分析;分析了业内和学术界比较通用的高压器件建模的方法,随后在模拟实验的基础上着重分析了dddmos的物理特性,在求解泊松方程、连续性方程等基本方程的基础上,建立有物理意义的漂移区电阻的宏模型;随后结合spicemos ( level = 3 )模型而得到完整的dddmos模型,此模型与模拟数据符合得比较好,通过对不同工艺参数的器件进行模拟比较,该模型能够覆盖不同的工作偏压范围,具有较明确的物理意义,对今后的功率集成电路的研发有一定的参考意义。
A simulate network is used to test the efficiency and the reliability of these methods . result demonstrates cross - points can be searched out rapidly and exactly by using these two methods . compared with searching crossovers one by one , the skip - searching method increases the efficiency 91 times , and the graphic aid - searching method increases the efficiency 176 times 利用模拟数据对这两种方法进行了比较,结果表明,两种方法都能快速、准确地搜索到交叉点的位置,与逐一比对搜索方法相比,搜索效率分别提高了91倍和176倍。
The computational results of the particle images are agreement with the simulated datain reasonable , the most absolute difference of the displacement is 0 . 6671 pixel at the x abscissa and 0 . 7928 pixel at y abscissa ; the computational results are equal to the data form the algorithm of particle brightness - distribution pattern tracking ( the conventional cross - correlation algorithm ) at voluminous points , their discrepancy is only one pixel at few points , mostly in boundary area 西安理工大学硕士学位论文最后,在visualfortran环境下给出了这种算法的具体实现,处理模拟粒子图像的结果与模拟数据比较吻合,最大位移绝对误差在x方向是0 . 6671像素,在y方向是0 . 7928像素;计算结果与示踪粒子灰度分布模板法(基本的互相关法)在绝大部分点是相同的,只在少数点相差一个像素,而且大多出现在边界区域。
Second , research and compare the structure of the mbs cash flow under different prepayment rates . the simulation have following result : cash flows have the characteristic of increasing at beginning and decreasing at some higher level . the difference is that the cash flows increase and decrease quickly and fluctuate fiercely under high prepayment rate , and vice 模拟数据分析结果表明,不同提前偿付下mbs现金流都具有从期初逐步增加,到一定高度后逐步衰减的特点,不同的是,高提前偿付水平下的现金流增加和衰减的速度很快,波动剧烈,而低提前偿付水平下的现金流则表现的比较平缓。
D ) with the requirement of the project , we make a detailed research of sar imaging algorithm such as range - doppler algorithm , secondary range compress algorithm and chirp scaling algorithm . we have many experiments about space - borne sar imaging . some good imaging results and indexes are obtained 根据sar成像处理的课题要求,研究了混合fft相关算法、 rd算法, src算法以及cs等算法的内涵,完成了成像处理程序,并结合星载sar的实例,对原始数据和模拟数据进行试验,得到了良好的成像结果和成像指标。