混合推進系統 的英文怎麼說
中文拼音 [húngětuījìnxìtǒng]
混合推進系統
英文
mixed propulsion system- 混 : 混形容詞1. (渾濁) muddy; turbid2. (糊塗; 不明事理) foolish; stupid
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 推 : 動詞1 (向外用力使物體移動) push; shove 2 (磨或碾) turn a mill or grindstone; grind 3 (剪或削...
- 進 : 進構詞成分。
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 混合 : (攙雜在一起) mix; blend; mingle; admix; mixture; mix up; interfusion; commixture; blending; cre...
- 推進 : 1 (推動工作 使前進) push on; carry forward; advance; give impetus to 2 [軍事] move forward; dri...
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
-
In algorithms, classification algorithms are divided into two cases : one for known statistical distribution model and the other for unknown statistical distribution model. four classification algorithms, the bata - prime statistic model fusing quadratic gamma classifier, based on sar image rcs reconstruction and space position mode, on the mixed double hint layers rbfn ( mdhrbfn ) model and on the self - adapt fuzzy rbfn ( afrbfn ) model, are derived. the problems, including how to further improving the class ratio of the bayes decision, decreasing the dependence on the statistical model and directly providing the adapted algorithm with samples, are solved
提出了基於徑向基函數神經網路( rbfn )的雙隱層混合網路( mdhrbfn )模型,解決了標準神經網路在具體sar圖像地物分類中分類類別數目不夠和分類精度差的問題;提出了基於模糊推理系統的自適應模糊rbfn分類( afrbfn )模型,兼顧通用性與精確性,增強人機交互能力,進一步提高了演算法分類率。At the same forum, their papers revealed new rocket propulsion research, including work on hybrid systems that use a combination of propellants easier to handle and store than most propellants in wider use today
在本次論壇上,中國人的論文揭示了其新的火箭推進研究,其中包括一個混合系統,該系統使用了比今天廣泛應用的推進劑更容易貯藏和操作的多種推進劑組合。The content of this paper is arranged as foll owing : chapter 1 introduces the concept of credit, credit risk and credit assessment, as well as the history and development of credit assessment ; chapter 2 introduces the history of ai technology, and the background of expert system and neural network. characters and disadvantages of expert system and neural network are presented respectively and the necessity of combining expert system and neural network is lightened ; chapter 3 shows the process of dealing with sample data, including the treatment of exceptional data and factor analysis, and puts forward the concrete framework of the mixed - expert credit assessment system ; chapter 4 introduces concept of object - oriented technology, and constructs object model and functional model after analyzing the whole system. it also illustrates the implementation of concrete classes by an example of rule class and the inference algorithm in the form of pseudocode ; chapter 5 introduces the structure of the whole system, the major functional models and their interfaces, and the characteristic of the system is also generalized ; chapter 6 summarizes the whole work, and points out the remaining deficiencies as well as the prospective of this method
本文具體內容安排如下:第一章介紹了信用、信用風險、信用評價的概念,回顧了信用評價的歷史、發展和現狀,並綜合各種信用評價模型,指出這些模型各自的優缺點:第二章簡單描述了人工智慧技術,著重介紹有關專家系統與神經網路的基礎知識,通過總結它們的優缺點,指出結合專家系統與神經網路構造混合型專家系統的必要性;本章還介紹了神經網路子模塊的概念,提出了混合型專家系統的一般框架與設計步驟:第三章對樣本數據進行處理,包括異常數據的剔除、因子分析等,提出了信用評價混合型專家系統的具體框架結構,介紹了系統知識庫的主要部分、基於優先級的正向推理機制的流程、以及基於事實的自動解釋機制的具體實現方法;第四章介紹了面向對象技術,進而採用面向對象對信用評價系統進行分析,建立了對象模型和功能模型,並在此基礎上,採用c + +語言以規則類為例說明系統中具體類的實現,用偽代碼的形式描述了推理的演算法;第五章描述了整個系統的結構,對系統主要功能模塊和界面進行了介紹,並總結系統的特點;第六章總結了全文,指出本文所構造系統存在的不足以及對將來的展望。The test obsvervation include air temperature, ground temperature, foundation moisture, freeze depth, freeze capicity, freeze residual capicity, groundwater table and shape transform of canal lining, etc. throught systemic observation, analysis of impact about each factor on fundation freeze capicity, evaluate effect on anti freeze of various canal lining, comparison on technology and ecnomic of different method, a kind of main canal lining format is been recommended to engineering practice with siutable to ningxia local feature, fufilling the need of main canal safey i application, economic and practical, that is using polystyrene plate laying under concrete slate and grit taking replace of filling layer and optimizing design
試驗觀測內容包括氣溫、地溫、基土含水量、凍深、凍脹量、凍脹剩餘量、地下水位和砌體外觀變化等項目。通過系統的觀測,分析各因素對基土凍脹量的影響,評價各種襯砌型式的防凍西安理工大學工程碩士專業學位論文脹效果,並進行技術和經濟綜合分析比較,推薦出了適合我區特點、滿足乾渠安全運行、經濟實用、防凍脹效果好的乾渠防滲襯砌型式,即混凝土板下鋪設聚苯乙烯板和砂礫石換填層結構型式,加以優化設計,用於工程實踐。Solid propellant engine systems are basically less flexible in operation than liquid or hybrid propellant systems.
固體推進劑發動機系統的可調性基本上比液體或混合型的要差。Linear phase prqmf banks is one of focal points in multirate digital signal processing domain, its general pr condition is deduced mathematically in the paper, which is important for further studying its design method, in addition high speed hybrid filter banks adc system, high effective hybrid filter banks adc system and high - speed - and - resolution time interleaved adc system proposed in the paper have practical value
線性相位prqmf濾波器組是當今多速率數字信號處理領域的研究熱點之一,本文從理論上推導出了其理想重建的一般規律,這對進一步研究線性相位prqmf濾波器組設計理論有重要意義。此外,本文提出的高速混合濾波器組adc系統、高效混合濾波器組adc系統、高速高解析度時問交織adc系統,均具有實用價值。For example, frp reinforced concrete is used to support or surround magnetic resonance imaging ( mri ) medical equipment, and frp is also used for the constructions of some seawalls, industrial roof decks, base pads for electrical and reactor equipment, anchor in rock and ground engineering and concrete floor slabs in aggressive chemical environments in order to promote the wide usage of frp and frp reinforced concrete structures, financed cooperatively by nationa l natural science foundation ( item : the research on mechanical performance of frp reinforced concrete beam reinforced ; number : 59978046 ) and henan illustrious youth science foundation, connected with the analysis methods of modern steel reinforced concrete structure, the thesis further studies the flexural performance of frp reinforced concrete beam through the systematic study on experimental data got from this kind of beams, systematically establishes the theoretical calculating system of the flexural performance of frp reinforced concrete beam in cooperation with the up - to - date analytical methods for reinforced concrete, which suits the properties of frp
例如,纖維增強塑料筋應用於支撐和圍繞磁共振成像醫療設備的混凝土中及海堤、工業頂棚、電設備、反應設備的基座、巖土工程中的錨桿、侵蝕性環境的混凝土結構等海洋工程、橋梁工程、路面工程、巖土工程、醫療及化工工程的建設。為了推動纖維增強塑料筋及其混凝土結構在工程中的廣泛應用,本文在國家自然科學基金(項目名稱:纖維增強塑料筋混凝土梁力學性能的研究;編號: 59978046 )和河南省傑出青年基金的資助下,通過對纖維增強塑料筋混凝土梁正截面受彎性能試驗數據的系統分析,結合現代鋼筋混凝土結構學的分析方法,對纖維增強塑料筋混凝土梁正截面受彎性能進行了深入的研究,較系統的建立了適合於纖維增強塑料筋特點的纖維增強塑料筋混凝土梁正截面受彎性能的理論計算體系。Firstly, the paper retrospects the development of eso and tries to probe into the theoretical field : the explanation of it ' s definition, the conclusion of it ' s characters, the comparison of eso and other stock inspiration system, followed by the analysis of it ' s theoretical basis and incentive effect ; meanwhile, the paper probes into the realistic situations of eso in usa and china in order to seek the regulation and draw the advantages and disadvantages ; to this part, the paper takes the following four items as the main barriers to eso ' s implementation in china : the over restriction of current law system, the low efficiency of the market, the poor corporate governance structure and a lack of a reasonable performance index system, and elaborately analyze the impacts of the obstacles on eso ; after the analysis made above, the paper gets down to taking some methods to solve the problems in accordance with the characteristic of the barriers. as far as the internal defects of the mechanism are concerned, the paper begins with the scientifically design of the key components, studying the aspects of bestowal, change, loss, the executive method and the executive time. then the paper focuses on designing a performance index system which is an essential part of eso, introducing the bsc to improve the present performance index system, under the reasonable guidelines resigning it at both the levels of company ' s and employee ' s levels. finally, as regards how to perfect the outside surrounding of eso, the thesis makes some suggestion
本文首先回顧了股票期權制在國內外的發展及較為詳盡的分析了股票期權制度的相關理論:闡述了其涵義,特徵,理論基礎,激勵效應並於其他幾個較易混淆的股權激勵機製作逐一的比較,以進一步澄清人們對其的錯誤認識;同時,對股票期權制在美國和我國的現狀進行深入的實證研究,探求其內在規律,在肯定其成果時指出其不足;至此,筆者認為,我國上市公司要推行股票期權制度將主要面臨以下四類障礙:公司治理結構不完善、市場有效性差、現行法規體系不完善及缺乏客觀的業績考評指標體系,並詳細分析了各類障礙的現狀及對股票期權制的負面影響;在此基礎上,針對各類障礙的不同性質,著手探討消除這些障礙的措施:對于股票期權制內部的缺陷,本文先對各個關鍵要素進行科學設計,系統的剖析了贈與、變更、喪失、執行方式、股票來源等技術性問題,再以大量篇幅研究了如何構建出一套與實施股票期權制相配套的業績考核指標體系,引進平衡計分卡的思想對國內現有的指標體系加以改進,以一組合理的評價原則為指導,從公司及員工個人業績考評兩個層面上來設計該指標體系。Are uncertain and should be regarded as random variables, therefore the reinforced concrete frame is stochastic structure inherently, and then its motive equations converted to combined random differential equations for the uncertain parameters and external random excitation. these equations were solved by order - orthogonal expansion method with pseudo - excitation method, and then the statistic stochastic responses of random structure were obtained. at last, based on the stochastic cumulative damage model with double parameters developed by park, formulas were formulated for calculating structural earthquake damage probability using the structural reliability theory ( mainly jc algorithm ) in extensive random space
首先對受地震激勵的剪切型鋼筋混凝土結構進行建模,用隨機等效線性化方法將二階非線性微分方程組化成一階線性微分方程組(或稱之為狀態方程) ;再考慮材料等參數的隨機性,則狀態方程成為復合隨機微分方程組,將擴階系統方法和虛擬激勵方法推廣並應用於這個復合隨機微分方程組,求出結構的隨機響應量的統計參數;最後採用隨機累積損傷破壞準則,在廣義隨機空間內,用jc演算法求解失效概率,進而求出結構的抗震可靠度。In particular, the bond - graph - based method and the miniature mode estimation system can used to detect and isolate faults in spacecraft propulsion system. the results show they are suitable for the fault de tection and isolate of hybrid systems like spacecrafts
針對混合系統的故障檢測與診斷問題,本文以推進系統為對象,研究了鍵圖理論和miniaturemodeestimation方法在其故障檢測與隔離中應用與實現方案。The synthetical assess method rendered in the paper is systemic, complete and feasible for engineering application ; not only can the conditions assess method on reliability of reinforced concrete chimney rendered adopts to the requirement of corporation inner management but also the assess result of hoop - stove chimney reliability is compatible with the counterpart obtained in the light of standard appraisal method and the practical bases is provided to spread and apply further the method
論文提出的鋼筋混凝土煙囪的綜合調查方法系統全面,工程應用中具有可行性;提出的鋼筋混凝土煙囪可靠性的狀態評估方法不僅適合企業內部管理的需要,並且在環形爐煙囪可靠性的評定中取得了與規范鑒定方法一致的結論,為該法進一步的推廣應用提供了實踐基礎。When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system
在探討可靠性設計與可靠性保障技術時,提出了石油測井儀器的可靠性計算新模型,從電氣和機械兩個方面,提出並闡述了應採用的可靠性保障技術及其使用方法:根據最新可靠性理論,建立了石油測井儀器的可靠性系統模型,探討了石油測井儀器的可靠性指標及其獲取途徑,提出了推薦使用的石油測井儀器可靠性指標( mwture , nolwnm , mtbf , mttf ) ;通過試驗,得到了所設計儀器的穩定工作時間( mwture ) 。在研究數據處理方法時,闡述了伽瑪信號的特徵,對測量誤差類型進行了統計檢驗;介紹了數字濾波的基本理論、數字濾波方法的概況,並進行了分析;對伽瑪信號數字濾波效果的影響因素及其對測井曲線的影響進行了基本分析;從獲取平穩段真值、地層邊界的檢測與處理兩個方面,建立了數字濾波效果的評價準則( rvi , rmse , sfi ) ,給出了相應的數字濾波方法及效果評價方法;探討了自然伽瑪信號數字濾波器的設計方法,提出了適合自然伽瑪測井的混合濾波方案,探討了混合濾波方案的實現途徑;通過對部分數字濾波方法的定量研究,給出了靈活可選的數字濾波系統構成及實現流程;提出的三種濾波方案,將用於era2000成像測井系統,對自然伽瑪測井數據進行濾波處理。The sum of cf to a kind of diseases or a kind of insect pest is 100. ( 3 ) based on traditional accurate reasoning and fuzzy reasoning, a new way of inference with both forward and backward chain is presented in the paper. it is the result of simulating experts " thinking during the process of cucumber diseases and insect pests diagnosis
( 3 )本系統在傳統專家系統精確推理和模糊推理的理論指導下,通過對領域專家在診斷黃瓜病蟲害過程中思維方式的研究,提出了適用於蔬菜病蟲害診斷過程的混和推理模式,即先進行正向推理,由正向推理得出一組假設結論,然後進行反向推理,去驗證假設結論集合中的元素是否符合用戶遇到的實際問題。With the help of dynamic qualitative information of working marine diesel power equipment in this field and expertise, a new long - distance oil monitoring expert system of marine diesel power equipment has been proposed and developed with the characteristic of expounding the dynamic features of marine diesel power equipment from the perspective of chaos knowledge, possessing intellectualized auxiliary decision - making mechanism based on fuzzy reasoning and neural network reasoning, utilizing mathematic analysis model established by means of track facility states of chaos vector and capable of evaluating the analysis results of oil monitoring facil ity ' s development of engine power and its working conditions accurately
然後,結合廣泛搜集的本研究領域內船舶柴油機動力裝置在運行中的動態定性信息與專家經驗,研製開發了運用混沌學的觀點闡釋船舶動力裝置的動力特性,並擁有基於模糊推理與神經網路協作推理的智能化輔助決策機制,採取通過求取設備狀態混沌向量等方法建立的數學分析模型進行數據分析,能準確地評價船舶柴油機動力裝置油液監控設備狀態變化趨勢及其運轉狀況的遠程輪機油液監控診斷專家系統。本文研製開發的遠程輪機油液監控診斷專家系統在internet intrabet網路環境下,具有遠程智能專家診斷的特點。To meet the needs for wider surge margin of the turbofan engine, a new model was developed to predict the characteristics of the fan / high pressure compressor and turbine in this thesis. several ways, including, variable inlet guide vanes of the fan, variable guide vanes of the high pressure compressor, the variable inlet area ratio of the mixer and the nozzle areas, were presented to enlarge the surge margin of the turbofan engine. meanwhile, a method of combined variable geometries for optimizing controls of inlet guide vanes of the fan, guide vanes and the first two stators of high pressure compressor, area ratio of mixer and noz zle areas was established
為了滿足下一代作戰飛機對推進系統的性能和穩定性要求,本文建立了壓縮系統特性和渦輪特性的新模型,並分別採用改變渦扇發動機風扇進口導流葉片、壓氣機導流葉片和前兩級靜葉片、混合室進口處內、外涵面積比和尾噴管面積,研究了其對發動機性能和穩定性的影響,進而得出了渦扇發動機變幾何擴穩的方法,為發動機變幾何擴穩研究打下理論基礎。Around 10 per cent of new car sales in china are using loans, down from 30 per cent a year earlier, mainly because many chinese commercial banks have enhanced the threshold for auto financing and even halted business because of concerns about bad loans
這是首個中外汽車企業再合作推進混合動力和燃料電池技術商業化領域所簽署的系統化全方位框架性合作備忘錄。此協議旨在著眼中國汽車未來方展趨勢,以滿足市場對提高能源安全並減少污染的需求。The causality diagram ( cd ) which is constituted by experts, thanks to its reasoning capability ( forward reasoning, backward reasoning and bi - directional reasoning ), can thus diagnose faults in complex system
因果圖具有正向和反向及混合推理能力,由專家建立因果圖,可以對復雜系統進行故障診斷。For the sake of using the binary classification key more flexiblly to classify and identify the diseases and pests as knowledge reasoning, the integration of the principles of backward reasoning and two - way reasoning was put forward, which charges the binary key into the knowledge database of expert system, and computers can make use of the structure to search the branch node and realize the assistant identification of diseases and pests
為了能更靈活地應用二叉分類檢索表作為知識推理進行病蟲分類鑒定,提出在常規推理的基礎上,融入反向推理和混合推理技術,將二叉分類檢索表作為知識裝入專家系統知識庫,計算機可以利用它搜索分支結點以實現病蟲輔助鑒定。This paper introduces the trends of vehicle - fault diagnosis and describes some experiments performed on the application of case retrieval nets, which its merits were found to exceed what it could have achieved with rules or models, to the retrieval problem while building vehicle - fault diagnosis expert system based on case - based reasoning. amelioration on original case - retrieval methods is also presented for producing more performance gains and the implementation of case retrieval nets is fulfilled by a relational database management system
針對基於規則推理和模型推理專家系統的局限性,提出將實例獲取網路應用於基於實例推理的車輛診斷專家系統的必要性和融合實例與規則的混合推理方法,介紹了實例獲取網路在車輛診斷專家系統中的設計方法、工作過程及其演算法的改進方案,探討了實例獲取網路及相關策略的實現方法。The data manage module the module includes the manage of measured parameter, such as, data appended, deleted and combined query. 2. kbs ( knowledge base system ) module the module includes the manage of produced rule, for example the rule added, deleted, logic checked and corresponding reason added, deleted, edited
本混合型專家系統基於windows平臺,選用visualc + +作為開發工具, microsoftsqlserver7 . 0作為數據庫平臺,利用產生式規則和徑向基神經網路rbf演算法進行分類和推理,系統可分為四大模塊: ( 1 )數據管理模塊數據管理模塊主要包括設備測量參數數據錄入、刪除查詢報表等功能。分享友人