部分分數展開 的英文怎麼說
中文拼音 [bùfēnfēnshǔzhǎnkāi]
部分分數展開
英文
partial fraction decomposition-
The procedure functions in the compare between partial image of dynamic collection and corresponding image of the airscape. in chapter 5, basing on the analysis of correlative theory of digital image, we introduce the improved fasted - down algorithm and simulative anneal algorithm, which applies to nn calculation, an d bring forward the unique and effective means, correlative original value evaluation. basing on the combination of correlative arithmetic, a stable, high - speed and exact correlative arithmetic is formed, which makes it possible to apply computer vision detection of single - needle quilting in industrial production
本文展開研究並取得一定成效：構建了基於pci總線的微機實時圖像採集系統；在採集的布料總圖（鳥瞰圖）的基礎上，通過數字圖像的數字濾波、圖像增強、邊緣檢測等處理，提取布料圖像的邊緣，對輪廓的矢量化的象素點進行搜索，得到相應的圖案矢量圖，從而確定絎縫的加工軌跡，生成加工指令；在進給加工過程中，主計算機對動態局部圖像與總圖（鳥瞰圖）的對應部分進行圖像相關的匹配計算，應用數字圖像理論，結合神經網路計算的改進最速下降法和模擬退火演算法，提出獨特而有效的相關迭代初始值賦值方法，形成穩定、高速和準確的相關運算，實現單針絎縫視覺測量和自動控制。Enlightened by how the people ' s activities divided in philosophy, the activities in the activity - teaching view was divided into the following four kinds : activity emphasizing on practice, on cognition, on a estheticism, and association activity loaded by the former three kinds of activities. the writer discusses the purpose, the content and the teaching organization in each of the former three kinds of activities, on association activity, the writer discusses the necessity to carry on it, and put forward some suggestions on organizing the association activity
第三部分新數學課程中活動教學的實施本部分主要受哲學對人類活動類型劃分的啟發，把活動教學視野中的活動劃分為側重於實踐的活動、側重於認知的活動、側重於審美的活動和以實踐、認知、審美為載體的交往活動，對前三種活動分別從活動的目的、活動的內容、活動的教學組織三個方面展開論述。而對于以實踐、認知、審美為載體的交往活動則從開展交往活動的必要性及交往活動的教學組織兩個方面展開論述。The second part, have carried on the analysis of real example to the international competitiveness of the steel branch of industry of our country : of our country steel and iron industry basic competitiveness analyse mainly from " key element supply with " whether strength launch, including three respects of manpower, financial resources, material resources, are shown as high - level talent ' s shortage on the quantity of the manpower resources, it is unreasonable that the structure is shown as, personnel ' s whole quality is not high ; the resource respect of financial resources, shown as the capital market hypoplasia, industry ' s financing channel is relatively narrow, studies and uses incompletely about the modem investment and financing management method, the system defect of financing and deterioration of the environment for financing cause profit ability to be low
第二部分，對我國鋼鐵行業的國際競爭力進行了實證分析：我國鋼鐵工業基礎競爭力分析主要從「要素供給」實力方面展開，包括人力、財力、物力資源三個方面，在人力資源的數量上表現為高層次人才短缺，結構上表現為不合理，人員整體素質不高；財力資源方面，表現為資本市場發育不全，產業融資渠道較窄，對現代投融資管理辦法研究和使用不夠，融資體制缺陷和融資環境惡化導致盈利能力低下。物力資源主要表現為礦產資源相對不足，水資源短缺，對交通運輸構成壓力等。In west developed countries, the national credit management system played a very important role in normalizing the credit trade. it is made up of opening credit rating data and the development of credit management industry, establishing and enforcing of credit management law system, supervising and managing over credit trade and credit management industry by government, developing of the education and research on credit management
發達國家信用管理體系在規范信用交易方面發揮了非常重要的作用，大概由以下幾個部分組成：第一，徵信數據的開放和信用管理行業的發展；第二，信用管理法律體系的建立和執行；第三，政府對信用交易和信用管理行業的監督和管理，包括信用管理民間機構的建立；第四，信用管理正規教育和研究的發展。This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。The third part studies the actual questions of our e - government, and thinks there are 5 aspects of problem in the area : the people ' s ideas is the key to the problem, which is the largest resistance to build the e - government ; the old administrative system ca n ' t adapt the e - government ; it ' s serious to the " digital gap " question ; the information professional is scarce in the government ; the related laws and rules, especially the open information systems are imperfect, in face of the five problems, i bring forward the six countermeasures : the government should strengthen to educate the government employee on the related knowledge ; strongly push on reinventing government ; the " e - government " should be strugglingly developed ; resolve the " digital gap " question ; establish and perfect the correlative laws and rules ; try hard to settle the question of net safety
在論文的第三部分，我著重對我國電子政府目前的問題進行了提煉、分析，認為存在著五大方面，分別是：關鍵是人的思想觀念跟不上，成為電子政府建設的最大阻力；原有的行政體制不適應電子政府的發展； 「數學鴻溝（ digitalgap ） 」問題嚴重；信息人才短缺；相關法律法規不完善、信息公開的制度保證不足。針對這五個方面，我提出了六點解決對策，分別是：大力加強對公務員的培訓和教育；強力推進政府再造：電子政務要大力發展；解決數字鴻溝問題，加大「兩軟一硬」投入；建立健全相關的法律、法規；努力解決好網路安全問題。Data broadcasting system is a key component of digital television system, and the popular specifications for it are dvb / davic in europe and atsc in america
其中數據廣播將是數字電視的一個重要部分，無論是歐洲的dvb davic系統還是北美的atsc ，都展開了相應的研究和標準制定工作。In the thesis. reading the iges file - 3 - and all the geometry entities and annotation entities are extracted ; on the base of geometry entities extracted, geometry entities are classified based to their three views. a new data structure is proposed to describle 3d form features ; inspection items of the workpiece are recognized ; the cmm - based inspection planning system is built ; on the other hand, as a part of cims, cmm need exchanging data with the software of cad / cam, so iges export interface is developed based on iges standard. in order to show the whole information of the surface, the 3 - dimensional free - form surface is drawing using the opengl
通過讀取iges文件對實體進行分離、提取、識別出對工件進行描述的原始信息；在此基礎上，西安理工大學碩士學位論文提出一種優化演算法對三視圖自動進行分離，建立了一種對工件進行三維描述的數學模型，照此模型對工件進行立體重構；識別出工件的各種檢測信息，提出一種對公差信息進行描述的數學模型，井與三維立體相結合，生成有檢測意義的三維實體；根據三坐標機的測量系統，生成相應的檢測規劃；另一方面，作為cmis的一部分，應具有與cad cam軟體之間的數據交換功能，本文還開發了iges輸出介面，採用opengl繪制三維空間曲面，向用戶展示其全面信息。With the further research and application of project management ( pm ) technology, extending function of pm in product data management system has become an important part of enterprise information in manufacturing industry during the process of product development
隨著項目管理技術在製造企業中應用的不斷深入，在產品數據管理系統中擴展項目管理功能已經成為製造企業產品開發過程管理和企業信息化的重要組成部分。In this thesis, based on activity based classification, there are three subjects to be researched, that is, how to build and express cost caculation rules, how to support many caculation methods and how to support more quick and accurate cost caculation. moreover, this thesis lucubrates a flexible cost cacaulation model. this model bases on advanced cost theory - - activity based classification, and it includes the building of abc ' s cost caculation model, the receptions " automatical accumulattion and transformation rules, the storage and use motivating causes rules, the diverse cost distribution and supporting many cost caculation methods. besides, the model brings forward rules about cost information transformation and accumulattion, rules about keeping business records, rules about motivating causes ’ accumulattion, rules about cost distribution and formula language. what ’ s more, it builds a rule engine, and all of these make this model meet enterprises ’ demand for using many cost caculation methods, and then simplify operators ’ operation. also, it can realize cost accumulated more accuratly, keeping business records more promptly and cost analysed more intensively, and then give supports to enterprises ’ further decision with related data. in the third chapter, it expounds the design and realization of this flexible cost cacaulation management system, and use one model case to validate its legitimacy, which explains that with j2ee technology and mvc design pattern, this system has good features of reuse and adaptability. at last, it introduces its application in china resource alcohol co., ltd
本文以作業成本法為理論基點，圍繞著如何建立成本核算規則並給予表達、如何支持多種成本核算方法以及如何提供更為快捷、精確的成本核算等三大主題展開深入的研究，並建立了多適應性成本核算模型。該模型以先進的成本核算方法作業成本法為理論基礎，涵蓋了從作業成本核算模型的建立到成本單據自動歸集轉換等規則的提取，從動因量存儲使用等規則的建立到成本多樣化分配以及支持多種成本計算方法等全部內容。在對成本核算規則進行分析和表達的基礎上，該模型提出了基於作業成本法的成本信息轉換存儲規則、記賬規則、動因量歸集規則、分配規則以及計算公式語言，並建立了基於這些規則的規則引擎，從而使得該模型能夠滿足企業多種成本計算方法的需求，簡化了企業人員的操作過程，並且實現了更為準確的成本歸集，更為迅速的成本制單，以及更為細化的成本分析，為企業的進一步決策提供了有力的數據支持。Since 70 & 80 decades of last century, a new tide of innovation has been commenced in modem commercial banks in west countries. off - balance sheet activities ( obsa ) plays an active role as an important content of the innovation. most commercial banks take obsa business as their future orientation
從20世紀七八十年代開始，西方現代商業銀行形成了一股開發新業務的浪潮，作為金融創新重要組成部分的表外業務空前活躍，絕大多數商業銀行都把表外業務的發展作為主要的經營取向。Secondly, introducing the image analyzing technology with reference to the disadvantages of the traditional ferr - graph analysis technology, and with the combination of characteristic parameter optimizing filtration so as to raise a description method of debris micro - morphologic character. thirdly, with the application of mode recognition method, completing the process of debris auto - recognition based on the collected information of the debris configuration characteristics ; and conducting the diagnosis on the aero - engine wear faults according to the theory of particle tribology. fourthly, introducing information fusion technology to solve the problem that a single method can not collect enough fault premonitory information to conduct the wear fault diagnosis, hence to conduct the research and exploration in the field of comprehensive diagnosis on the aero - engine ' s multi - fault premonitory information
本文的研究工作主要包括以下五個部分：首先，介紹航空發動機常見的磨損故障類型，研究磨損故障的失效機理，分析磨粒的產生機理、分類以及形態特徵：其次，針對傳統鐵譜分析技術的缺點，引入圖像分析技術，再結合特徵參數優化篩選，形成基於圖像的磨粒顯微形態學特徵描述方法：然後，基於提取到的磨粒形態特徵信息，應用模式識別方法完成磨粒自動識別，並根據顆粒摩擦學的基本原理進行航空發動機磨損故障的診斷與定位：再后，鑒于單一方法不能提取足夠的故障徵兆信息進行磨損故障診斷，本文引入信息融合技術，開展航空發動機多故障徵兆信息綜合診斷方法的研究與探索；最後，基於航空發動機滑油光譜分析與鐵譜分析數據，應用時序模型、灰色模型以及組合模型進行磨損故障的預測方法研究。First of all, we bring forward the basic project of tadil, which adapts to combined operations. it is suggested to use tdma ( the abbreviation of time division multiple access ) as the working pattern and utilize the concept of mobile ad hoc network to construct the data link network. aiming at the impact of time delay on data link and the characteristic of cooperative combat under the command of director aircraft, this thesis applies a kind of kalman filtering algorithm in polar coordinates to compensate the error of time delay, and then does the transformation of target motion parameters to obtain the current information of target
本文結合空軍裝備部某「十五」預研課題，圍繞著戰術數據鏈、多機協同多目標攻擊、超機動攻擊、空對地攻擊這四個方面展開了一系列的研究工作:本文首先給出了適應三軍聯合作戰的戰術數據鏈系統的基本方案，建議採用時分多址的工作模式，並利用移動自組織網路的概念構建數據鏈網路，同時針對數據鏈傳輸信息的時間延遲特性和指揮機指揮下的多機協同作戰特點，應用一種極坐標系下的卡爾曼濾波演算法對該傳輸延遲誤差進行補償，並在此基礎上進行目標運動參數的轉換，以獲得目標相對于某無人機的當前運動信息，且利用模擬驗證了方法的有效性。Starting from this issue, the article " developments in the banking sector " has been expanded with the addition of a substantial number of trend - illustrating charts, a new item on china exposures, data on consolidated capital adequacy ratio for all locally incorporated authorized institutions, and a table of key performance indicators of the banking sector
此外，由今期開始，銀行業的發展概況一文加入了大量趨勢說明圖表有關中國貸款的新增部分所有本地注冊認可機構綜合資本充足比率的數據，以及銀行業的主要表現指標一覽表。Sets up three - dimensional movement modal of towed - cable, the vector dynamic equilibrium equation is expanded under local coordinate, and numerically discreted by central difference on time and space through transforming eular angle
摘要建立拖纜的三維運動模型，通過歐拉角的變換把拖曳線列陣微元段矢量動力平衡方程在局部坐標系下展開，在時間和空間上作中心差分數值離散。The first chapter takes data as the explaining material, adopting the qualitative and quantitative analysis way along with comparative research, and makes a full analysis of the current situation of the human resources development in the western area
第一部分以數據為說明材料，運用實證分析、定量分析和比較研究的方法對西部人力資源開發的現狀進行了分層次、分類別的全面分析;在此基礎上，對西部人力資源開發存在的主要問題及其對跨越式發展的影響作了分析研究。Upon using an artificial neural network ( ann ) a new short - term climate forecast model with the monthly mean rainfall in june in the north of guangxi as predictand is established making empirical orthogonal functions ( eof ) to the 36 predictors ( 15 ssa predictors, 21 500hpa height predictors ) with over 0. 05 significant correlation level of previous 500hpa height and sea surface temperature ( sst ) field, and selecting the high relative principal components, at the same time, a new approach of constructing ann learning matrix is developed. predictive capability between the new model ( principal components ann model ) and linear regression model for the same predictors is discussed based on the independent samples and historical samples
本文通過對廣西北部6月平均降水量（預報量）同北半球月平均500hpa高度場和北太平洋月平均海溫場進行相關普查，選取了前期36個同預報量相關顯著水平達到0 . 05以上的預報因子（ 15個海溫場預報因子， 21個高度場預報因子） ，並運用自然正交函數展開方法對這36個前期預報因子展開，取其中同預報量相關程度高的主成分，結合人工神經網路技術，提出了一種新的構造人工神經網路學習矩陣的方法，建立了一種新的短期氣候預測模型。In structural genomics, genetic maps have been constructed for up to 40 forest tree species, more than 30 commercially important qtls have been detected, comparative mapping has been done for a few of forest tree taxa, and whole genome sequencing was completed for populus and is under way for eucalyptus
結構基因組學方面，已構建了近40個主要造林樹種的遺傳連鎖圖譜，在不同樹種中定位了30餘個重要的數量性狀位點，在部分樹種中開展了基因組比較和綜合圖譜構建研究，楊樹的全基因組測序已經完成，桉樹的全基因組測序正在進行。The first chapter in this paper provides a survey of data mining technology, and explains basic concepts, function and the whole framework of data mining and difficulties in developing and some future directions in association rule generation ; the second chapter introduce the basic concepts, brings forward a classification of association rule ; the third chapter give a deep research on algorithms of every kind of association rule, include mining single - dimensional signal - level association rule and multidimensional multilevel association rule, it describes these algorithm, point out some method to optimize this algorithm and test its quality with experiments ; the fourth and fifth chapter introduce the designs about association rule mining system basing on relation database visual foxpro in detail : according to system frame of the association rule mining, actualize a new mining algorithms and analyses every function module of program, at last further analyses the left problems in designs
本論文第一部分對數據挖掘技術進行了總體介紹，說明了基本概念、功能和系統總體框圖以及發展中的難點和研究方面；第二章對關聯規則基本概念的進行了介紹，提出了關聯規則的分類方法；第三章探討了挖掘各種關聯規則的演算法，從挖掘單維單層布爾關規則的經典的apriori開始，分析了挖掘單維、多層關聯規則的演算法，多維關聯規則的演算法到多維多值屬性關聯規則的演算法。文中提出演算法優化方法，並對其性能進行了實驗測試；第四部分、第五部分詳細介紹了基於關系型數據庫的關聯規則挖掘系統的設計構思，根據關聯規則挖掘系統結構框架，實現了基於visualfoxpro的關聯規則挖掘系統，其于採用了一個新型的基於關系數據庫的關聯規則挖掘演算法，提高了挖掘效率，並詳細分析了程序設計的各個功能模塊，最後就設計中遺留的問題進行了進一步的分析。The stress and local stability constraints are transformed into movable lower bounds of sizes. an inverse variable xt = ? is inducted, and the objective function is expanded as second order taylor approximation while the displacement constriction is expanded as first order taylor approximation. the lemke algorithm is used to get the final design result
把復雜的應力約束和局部穩定約束轉化為動態尺寸約束，引入倒變量x _ i 1 / a _ i將目標函數展開為二階近似，將位移約束用莫爾積分化為一階近似，用對偶規劃方法將原問題化為等價的二次規劃問題，調用lemke演算法，求得最優設計結果。分享友人