In this paper , river water quality prediction is integrated with water pollution control measures . two parameters , water environmental capacity and pollution index are selected for pollution control measures . the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation . the model algorithm and computer program is an improvement over the existing water quality models , since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point . model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives . the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index . study provides the mathematical and scientific procedure for water quality management . the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes 本文將水質(zhì)預(yù)測(cè)及水污染控制措施有機(jī)地結(jié)合,選取水環(huán)境容量和污染指數(shù)作為水污染控制的參數(shù).這樣,一維對(duì)流-擴(kuò)散水質(zhì)方程的求解除就是實(shí)現(xiàn)本研究目的的關(guān)鍵.本研究采用的模型在現(xiàn)有的水質(zhì)模型基礎(chǔ)上有所改進(jìn),因?yàn)槠洳捎盟狞c(diǎn)隱格式對(duì)水質(zhì)進(jìn)行預(yù)測(cè),推求可接納污染物的環(huán)境容量值及為保證水質(zhì)而限定的污染物濃度值,從而制定相應(yīng)的水污染控制措施.為整體考慮各種污染物的情況,建議采用河流的污染指數(shù)進(jìn)而推求綜合污染指數(shù).總之,本研究為水質(zhì)保護(hù)提供了科學(xué)的計(jì)算方法,該法對(duì)水污染控制及污水對(duì)河道水質(zhì)的影響是實(shí)用有效的
The degrees of membership obtained from fuzzy clustering are considered as the probabilities of association events , which are later used as the weighted numbers to obtain the innovation of each target . the full - rate tracking of target using multi - rate interacting multiple models is realized . the maneuvering target tracking algorithms are analyzed , which conclude the current statistical model adaptive kalman filtering and interacting multiple models algorithms 新算法借鑒了概率數(shù)據(jù)關(guān)聯(lián)算法的思想,把模糊均值聚類(lèi)后得到的隸屬度值視為相應(yīng)關(guān)聯(lián)事件的概率,并將其作為加權(quán)系數(shù)對(duì)目標(biāo)有效回波的新息量進(jìn)行加權(quán)得到該目標(biāo)的總新息量。
I apply the modified double - iterated modeling algorithm to realize the three - dimension tree model successfully based on l - system with ips . to realize the terrain model , i expound the improved diamond - square algorithm in light of fractal interpolation and use it to model cloud , two - dimension texture terrain surface and three - dimension terrain 基于l系統(tǒng)以及迭代函數(shù)系統(tǒng)的特性提出了改進(jìn)的三維樹(shù)木模型雙迭代生成算法來(lái)實(shí)現(xiàn)三維樹(shù)木模型的模擬,而在三維地貌模型的模擬中,提出了改進(jìn)的基于分形插值的diamond - square算法實(shí)現(xiàn)了云團(tuán)、二維紋理地表、三維地形等模型。
The main result of this thesis is as follows : first , because compositional modeling resembles the characteristics of object oriented simulation , such as knowledge representation , object depiction and modeling algorithms , i propose the conception of object - oriented ( oo ) qualitative compositional modeling . by introducing oo method through compositional modeling , i build the formal representation mechanism of object - oriented qualitative compositional modeling , and develop the oo description of qualitative model units . this is one of the main characters of the dissertation 本文的主要研究?jī)?nèi)容和創(chuàng)新成果如下:首先,針對(duì)組合建模與面向?qū)ο蠓抡嬖谥R(shí)表示、對(duì)象描述、建模算法等方面的類(lèi)似特點(diǎn),本文提出了面向?qū)ο蟮亩ㄐ越M合建模思想,通過(guò)將面向?qū)ο蠓椒ㄒ虢M合建模體系,建立了面向?qū)ο蠼M合建模的形式化描述機(jī)制,實(shí)現(xiàn)了定性建模知識(shí)單元的面向?qū)ο竺枋?,這是本文的一個(gè)主要特色和創(chuàng)新。
Abstract : in this paper , river water quality prediction is integrated with water pollution control measures . two parameters , water environmental capacity and pollution index are selected for pollution control measures . the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation . the model algorithm and computer program is an improvement over the existing water quality models , since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point . model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives . the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index . study provides the mathematical and scientific procedure for water quality management . the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes 文摘:本文將水質(zhì)預(yù)測(cè)及水污染控制措施有機(jī)地結(jié)合,選取水環(huán)境容量和污染指數(shù)作為水污染控制的參數(shù).這樣,一維對(duì)流-擴(kuò)散水質(zhì)方程的求解除就是實(shí)現(xiàn)本研究目的的關(guān)鍵.本研究采用的模型在現(xiàn)有的水質(zhì)模型基礎(chǔ)上有所改進(jìn),因?yàn)槠洳捎盟狞c(diǎn)隱格式對(duì)水質(zhì)進(jìn)行預(yù)測(cè),推求可接納污染物的環(huán)境容量值及為保證水質(zhì)而限定的污染物濃度值,從而制定相應(yīng)的水污染控制措施.為整體考慮各種污染物的情況,建議采用河流的污染指數(shù)進(jìn)而推求綜合污染指數(shù).總之,本研究為水質(zhì)保護(hù)提供了科學(xué)的計(jì)算方法,該法對(duì)水污染控制及污水對(duì)河道水質(zhì)的影響是實(shí)用有效的
In aspect of precision focus in digital camera , to gets best low - resolution image sequences , the paper gives a means to judge if the camera is in focus by statistic of fringe . in aspect of super - resolution processing , the paper analyses model algorithms and ascertains algorithms our use . in aspect of performance evaluation of super - resolution , studies the ways that performance evaluation of super - resolution and the least number of images ( the sufficient of number of low - images ) to get the best result 論文圍繞這些方面開(kāi)展了研究:在數(shù)字相機(jī)準(zhǔn)確對(duì)焦方面,提出了一種基于邊緣判斷是否精確對(duì)焦的方法,以獲取優(yōu)質(zhì)的低分辨率圖像序列;在超分辨率處理的算法方面,分析典型算法并確定了使用的算法;在超分辨率處理的性能評(píng)估方面,研究了超分辨率的效果評(píng)價(jià)方法和利用達(dá)到該效果需要的圖像序列的最少幀數(shù)(充分幀數(shù))計(jì)算方法。