混合推進 的英文怎麼說
中文拼音 [húngětuījìn]
混合推進
英文
combination propulsion- 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。
- 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...
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Swelling and porosity of the propellant mixture became evident after 6 days at ambient temperature.
在室溫下放置6天後,推進劑混合物呈現膨脹和氣孔。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。Rapid reactions between liquid propellants can lead to inefficient mixing.
液體推進劑之間的迅速反應可能導致混合不良。9. a mixed repository which based on rule and ann was studied. the method of reasoning, controlling and repository mange was discussed
研究了基於規則和神經網路的混合專家知識庫,並對推理機制、控制策略和知識管理等問題進行了深入的討論。The nitroguanidine is added to the propellant during its mixing phase.
在推進劑的混合階段將硝基胍加到推進劑中。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 original infomax is only applied in the instantaneous mixture and in the single channel blind deconvolution. this thesis applies the idea to blind sources separation in multiple channel convolutive mixture. through simulation, we can show that the algorithm has good performance
Infomax演算法適用於瞬時混合情況下的盲分離和單通道盲解卷積問題,本文將infomax演算法推廣到多通道卷積混合,對演算法進行模擬,取得了不錯的效果。In communicaton the bandwidth is an important problem that we should consider, specially in wireless communication. in fact the fiber is mainly used in backbone networks, so it is essential to develop the low rating coding technology of voice. the arithmetic of melp is based on the model of lpc and use the form of mixed excitation. because it integrates the idea of multi - band, so it has the merit of lpc and mbe. it is a perfect coding scheme in low rating voice coding relatively
而melp語音壓縮編碼演算法是在線性預測編碼參數模型的基礎上,採用混合激勵的形式,並且結合了多帶的思想,因此它擁有線性預測編碼和多帶激勵的優點,是目前低速率語音編碼中一種比較理想的編碼方案,也是本文研究的重點。本論文通過研究melp的語音編解碼演算法的原理,對它的編解碼過程作了比較深入的研究,對其中的一些公式進行了理論推導,並作了模擬分析,最後研究了該演算法的c語言實現。The experimental study of twelve push - out specimens with different hole molds and different materials filled in holes and two composite steel - fdpcp ( full - depth precast concrete panels ) beams of a full shear connection and different hole mold, as well as a composite steel - fdpcp beams of a partial shear connection and square holes was conducted in this paper, the authors gain following results : three composite steel - fdpcp beams all have good composite action and perfect work behaviors as a whole and the composite steel - fdpcp beams is a new - style structure which should get further research and development
摘要對12個不同預留孔形、孔內不同填充材料的推出試件及2根不同預留孔形的完全剪力連接與1根部分剪力連接的鋼混凝土預制板組合梁進行了試驗,結果表明,只要預留孔形設計合理,灌孔混凝土強度得當,鋼混凝土預制板組合梁就具有良好的組合效應和整體工作性能,是一種有發展前途和廣泛應用領域的新型組合結構。The reason of these improvements are discussed as a base of lower down the power level without the debasement of performance and the alter of propellant by hydrogen or hydrazine
為今後進一步在確保性能的前提下降低發動機功率以及以氫氣、氮氣混合或者肼作為推進劑的電弧加熱發動機的探索和研製奠定了基礎。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。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。Venezuela hoped to expand cooperation in energy, railway construction, telecommunications, agriculture, tourism, culture and education, and develop the bilateral high - level mixed committee into an important platform for enhancing cooperation, chavez said
查韋斯表示,委方希望與中方進一步發展在能源、鐵路建設、電信、農業、旅遊、文教等領域的合作,並把委中高級混合委員會建成不斷推進雙邊關系發展的重要平臺。Considering slpmu - 025a produced by japan shinko motor company ltd. as our study project, this thesis presents a study on two - phase hybrid lsm, the study objects and some conclusions presented in the thesis are : ( l ) the 3d model of slpmu - 025a is formed by software maxwell 3d. then, the 3d magnetic field of the motor is analyzed by fem ( fenite element method ) analysis. here, the analysis of the magnetic field is in focus on the region of tooth - layer
本文以日本神鋼電機株式會社生產的slpmu - 025a為研究樣機,對二相混合式直線步進電動機進行了研究,內容包括: ( 1 )用maxwell3d軟體建立了slpmu - 025a的三維模型,通過有限元分析計算了電機的三維磁場,重點分析了電機齒層區域的磁場; ( 2 )應用maxwell3d的后處理計算得到了電機的靜推力? ?位移特性,並與實驗進行了比較; ( 3 )利用matlab中的simulink建立了動態模擬模塊,模擬了電機的部分動態特性,並用實驗進行了驗證。On the basis of the magnetic circuit structure analysis for the particularity of the structure and the magnetic circuit of the double - stator hybrid direct drive motor ( dshbddm ), the mathematical formula for the important parameters - self - inductance and mutual - inductance of the winding for dshbddm was derived in detail by using the method for the simplified magnetic network model and the characteristic was analyzed
摘要針對串聯磁路結構雙定子混合式直接驅動電動機結構和磁路的特殊性,在分析電機磁路結構的基礎上,利用電機的簡化磁網路模型,詳細推導出串聯磁路結構雙定子混合式直接驅動電動機的重要參數繞組自感與互感的數學表達式,並對其特性進行了分析。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。This text primarily discussed the test method that adapt to the specification and ability of cement - emulsified asphalt concrete, it recommended the test method and adding in proper order that the fit admixtrue corrects mstthus test furtherly, then, it brought up the best match of cement - emulsified asphalt concrete through the test, and explained the influence of heat stability with earlier period strength when adding a certain rate of cement into emulsified asphalt concrete, finally studied fisrt the strength of that material to become the principle with technique economy analysis
本文主要是先討論了適合水泥乳化瀝青混凝土材料性能特點的實驗方法,推薦了合適混合料進一步修正馬歇爾實驗的測試方法及加料順序,然後,通過該實驗提出了水泥乳化瀝青的最佳配合比,並說明了在乳化瀝青混合料中加入一定比例水泥后對乳化瀝青混合料高溫穩定性和早期強度的影響,同時對一段舊路進行補強,摸索了該用材料施工路面的過程及方法,最後初步探討了該材料的強度形成機理和技術經濟分析。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。分享友人