量程變換 的英文怎麼說

中文拼音 [liángchéngbiànhuàn]
量程變換 英文
range conversion
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  • : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
  1. Considering the overtaking flow, this paper built the continuum equation of mixed traffic flow, set up the kinematics differential equation by means of differential calculus

    摘要引入超車道流,建立了混合交通流的連續性方;通過對交通流參數的微分,建立了混合交通流的運動微分方
  2. A side stream is recycled to the external feed stream of the column through an equilibrator as an internal feed stream. the simulation results indicate effects on the characteristics of cryogenic distillation column. consideration is given to the behavior and characteristics of the set of ordinary differential equations

    3 、分析了濃度極稀物系動態精餾模型的特點,建立了此類物系動態模型的求解策略,通過對模型中狀態的轉,使原本剛性較強的微分方組轉化為一非剛性的常微分方組。
  3. The process of feature extraction is to transform the eradiate noise signal to different feature space and extract the feature vectors that reflect the category of the input sample. the extracted features are the input modes to the classifier

    特徵提取的過是把輸入的船舶輻射噪聲信號到不同的特徵空間,提取出反映樣本的類別特性的特徵向,並把其作為分類器的輸入模式。
  4. Standard practice for quantitative measurement and reporting of hypoeutectoid carbon and low - alloy steel phase transformations

    亞共析碳鋼和低合金鋼相位的定和報告的標準規
  5. Based the value, the quality characteristic of different group processes can be expressed in the same control chart, the tendency of the current quality of the process may be predicted. at last, a case indicates that the approach is some piratical valuable

    利用后的特徵值,採用均值?標準差控制圖,把不同工序的質信息表示在同一張控制圖上,識別當前工序的化趨勢,監控過的質
  6. The input signals pass through the prepositive circuit which transforming the measured signals ( voltage or current ) into small voltage signals, the signal adjust circuit consist of programmable - gain amplifier and filter, and digital signal processor tms320lf2407 for data acquisition and processing in turns. provide the measuring results on lcd module. and also can transfer data to the pc ’ s rs232 for farther analyse

    採用前置電路將被測信號(電壓或電流)為小電壓信號,經過信號調理電路對信號進行式控制放大和濾波后,通過tms320lf2407實現信號的數據採集、信息處理和計算,將測結果通過液晶模塊顯示,還可經過rs232介面與計算機進行數據傳輸,做進一步的分析和應用。
  7. The high entropy of the real and imaginary parts of sar raw data makes lossless - coding compression techniques unfit for sar raw data. in chapter 4, some compression algorithms for sar raw data compression, such as baq, upq, bavq and wt - subbandcade are analyzed and discussed. an improved unrestricted polar quantizer ( upq ), which can enhance the performance of the quantizer is put forward

    第四章分別對塊自適應化( baq )演算法、非約束式極坐標化( upq )演算法、塊自適應矢化( bavq )演算法和小波子帶編碼演算法進行了分析和研究,並詳細討論了這些演算法在工實際中的應用。
  8. 4 ) in a pre - swirl rotator - stator cavities with discrete pre - swirl nozzles and blade - cooling entry holes, the influences of pre - swirl angle and flow parameter on the flow and heat transfer characteristics were numerically investigated. the correlation for average nusselt number vs rotating reynold number or non - dimensional mass flowrate were established. the results show that : advantage of per - swirl inflow is the effect of cooling the blade - cooling entry holes ; pre - swirl inflow increases heat transfer in rotating disk of pre - swirl chamber ; as pre - swirl angle increases, local nusselt number decreases in pre - swirl chamber ; the temperature of stator of inner rotator - stator chamber and per - swirl chamber decreases as rotating reynold number increases ; when the axial mass flowrate maintains constant, heat transfer in the rotating disk of inner rotator - stator cavities does n ' t change as per - swirl mass flowrate increases, while heat transfer in the rotating disk of per - swirl chamber increases ; when the pre - swirl mass flowrate maintains constant, change of the axial mass flowrate has effect on the whole cavity

    結果表明,預旋進氣的優點在於增強了葉片冷卻孔附近的對流熱效果,局部努謝爾數隨預旋角的增大而有所減小;隨旋轉雷諾數的增加,不論是內轉靜腔室還是預旋腔室的靜盤上的溫度都不同度的降低:當軸向中心進氣質時,隨預旋進氣的質增加,內轉靜腔室的轉盤盤面上的熱基本沒有化,而預旋腔室的轉盤盤面上的熱效果增強;當預旋進氣質時,軸向中心進氣的質的改對整個盤腔都有影響。
  9. The best scheme was chosen after analysis and comparing and the structure was designed. at same time, the kinematics analysis was conducted, coordinate transformation matrix using d - h method was set up, and the kinematics equation direct solution and inverse solution was deduced, the velocity jacobian matrix was constructed using vector product method, and the values of displacement and velocity of some special point including the wrist point were calculated. secondly, the working space of the robot was analyzed and the axes section of practical working space was drawn

    首先,作者針對機器人的設計要求提出了多個方案,對其進行分析比較,選擇其中最優的方案進行了結構設計;同時進行了運動學分析,用d - h方法建立了坐標矩陣,推算了運動方的正、逆解;用矢積法推導了速度雅可比矩陣,並計算了包括腕點在內的一些點的位移和速度;然後藉助坐標矩陣進行工作空間分析,作出了實際工作空間的軸剖面。
  10. Due to the moving base existence of the minehunting and the frame structure characteristic of the sonar array, a new modeling thought in which the boat body coordinates is regarded as moving coordinates and the whirligig equation of sonar array compared with the self coordinates is founded on the basis of the euler ' s theorem and the coordinate transform is introduced. the dynamic equations of minehunting sonar array with the state matrix form are founded by settling the dynamic models with the vector form. so it offers theory foundation for analyzing the dynamic characteristic and designing robust control

    由於獵雷艇作為動基座的存在和聲納基陣的框架結構特點,提出了以艇體坐標系為運動坐標系,運用形的歐拉定理和坐標建立聲納基陣相對自身坐標系的旋轉運動方的建模思想;將所建立的矢形式的動力學模型展開整理,獲得了狀態矩陣形式的獵雷聲納基陣動力學方,為系統動力學模型的實用化奠定了基礎。
  11. This article canvass the status quo of the archive ' s automatization administration and the develop status of data mining, and discusses how to combine the data mining technology with the archive work from data cleaning means, data mining arithmetic, and data storage etc. and this article put forword a data mining syst em design idea. this article ' s structure is : first, in allusion to the archive data status quo, the pretreatment work of archive data that include data quality evaluation, data cleaning and data commut - ation process is bringed forword ; second, in the process of realizating data mining, the article discusses conception description, association rule, class three familiar means of applicating data mining, also put inforword the concrete arithmetic and the program design chart, and discusses the range and the foreground of all kinds of arithmetic when they are applicated in the archive ; third, the base of so you say, this article also discusses the importance of the archice applicate data storage and the means of realizing it ; last, the article discusses seval important problem of realizing an archive data mining system from data, diversity, arithmetic multiformity, mining result variety and the data pretreatment visibility, mining object descriptive visibility, mining process visibility, mining result visibil ity, user demand description and problem defining etc aspect. the article ' s core is how to import data mining technology in the archive work

    本文評述了檔案自動化管理現狀和數據挖掘技術的發展狀況,從數據清洗方法、數據挖掘演算法、數據倉庫的建立等方面論述了如何將數據挖掘技術與檔案工作相結合的具體思路,並提出了一個數據挖掘系統的設計思想。文章首先,針對檔案數據的現狀,提出了應對檔案數據進行預處理工作,包括數據質評估、數據清理、數據和歸約等過;其次,在具體實現數據挖掘過中,本文結合檔案數據的特點探討了概念描述、關聯規則、分類等三種常見挖掘形式的實現方法,提出了具體的實現演算法和序設計框圖,並論述了各種演算法在檔案工作中的應用范圍及前景;第三,在上述基礎上,又論述數據倉庫在檔案數據挖掘中的重要性並提出了實現一個檔案數據倉庫的方法;最後,從處理數據的多樣性、演算法的多樣性、挖掘結果的多樣性、數據預處理可視化、挖掘對象描述的可視化、挖掘過可視化、結果顯示可視化、用戶需求的描述及問題定義等幾方面討論了實現一個檔案數據挖掘系統的幾個重點問題。全文以探討如何將數據挖掘技術引入到具體的檔案工作實踐中為核心。
  12. Because geometry of formation of two satellites is very weak, the solution covariance is very big and unstable in order to resolve this problem, the measurement model was transformed from cartesian coordinate system to sphere coordinate system

    由於雙星編隊星座觀測的幾何結構弱,所以解算參數的協方差不穩定。為了解決這一問題,對測進行球坐標
  13. A convergence acceleration technique, boundary element method ( bem ), spectrum of two - dimension solutions ( s2ds ) method are used separately in solving dyadic green function of the three domain. next, waveguide narrow - wall slots array ' s is introduced in this paper

    對外部空間,與縫隙腔體區域一樣認為場與z無關,對所有場做z方向的fourier,得到譜域上的一系列去耦合的二維方
  14. A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived

    對于曲線坐標系下的拋物化穩定性方,文中發展了求解的高效數值方法:引進法向,使得在臨界層與壁面之間的擾動化最快的區域有更多的法向網格點;導出包含邊界鄰域在內的完全四階精度的法向有限差分格式,這對方精確離散至關重要;採用全局法和局部法相結合的方法及其新的迭代公式,大大加速收斂並得到更精確的特徵值。
  15. For the mesoscopic metal ring system in external magnetic field, supposing the system has a symmetry under translation in charge space, the quantum current and the quantum energy spectrum in mesoscopic metal ring are given by solving thire eigenvalue equations ; and the quantum fluctuations of the current and the energy have been calculated by the character of the minimum shift operator

    摘要針對處于外磁場中的介觀金屬環系統,假設在電荷空間中具有的對稱性,通過求解本徵值方給出系統的子電流、能譜關系;利用最小平移算符的性質等,計算介觀金屬環中電流和能子漲落。
  16. For one - dimensional mesoscopic metal rings system in external magnetic field, supposing the system has a symmetry under translation in charge space, the quantum current relation in mesoscopic metal rings is given by solving the eigenvalue equation of the current, the property of quantum current have been investigated and analysed

    摘要針對處于外磁場中的一維介觀環系統,假設在電荷空間中具有的對稱性,通過求解電流算符的本徵值方,給出系統中的子電流關系,分析和研究一維介觀金屬環中子電流的性質。
  17. We examin e the generation of bell state in bose - einstein condensates of two interacting species trapped in a double - well configuration analytically and the density of probability for finding the entangled bell state is given. we find that the oscillation amplitude of the probability of density for finding the entangled bell state becomes greater as the ratio of the interspecies interaction strength and the tunneling rate increases, moreover the self - interaction strength of the component a ( b ) has no effect on it. also we use the time - dependent su ( 2 ) gauge transformation to diagonalize the hamilton operator, obtain the berry phase and analytically the time - evolution operator

    此外我們還研究了在雙阱玻色-愛因斯坦凝聚中糾纏態的演化,研究發現隨著組分間相互作用和隨穿率的比值的增加系統演化到bell態的概率大,而且組分自身內在的相互作用對形成bell態的幾率沒有影響;並且用含時su ( 2 )規范對角化哈密頓得到了系統的berry位相和時間演化算符,並研究了子隨穿過
  18. In the course of measurement of workpiece face runout, variance method of the most species based on separability and image edges distilling based on morphology and marr filtering based on edges segmentation are used to enhance effectively accuracy of image segmentation and edges distilling. accuracy of measurement of face runout is enhanced effectually by use of least square method of compressing rectangle fitting edge of image and transforming of dft

    該系統在工件端面跳動測中,採用了基於可分性的最大類間方差法和形態學邊緣提取以及基於邊界分割的marr演算法,使圖像分割和邊緣提取的準確性得到了很大的提高;用壓縮矩形的最小二乘法擬合工件端面圖像的邊緣以及用dft對工件端面的跳動進行測,使端面跳動測的準確性得到了很大的提高。
  19. Firstly, the mathematical method, wavelet transform of random error processing and kalman filtering algorithm of system error estimation, is designated ; the process of development of wavelet transform and its present research is recommended ; and, the definition and development situation of real - time data processing and post - flight data processing of trajectory measurement data is summarized briefly

    首先指出了應用的數學方法,即處理隨機誤差的小波方法和估計系統誤差的kalman濾波演算法;介紹了小波方法的發展過和國內外的研究現狀;綜述了彈道測數據的實時數據處理和事後數據處理的概念和發展狀況。
  20. Different equations to corresponding components are presented by analysing and transformating the general equations of fluid routes, then static characteristics mathematical model of liquid propellant space propulsion system is presented. based on the data of static characteristics calculation, mass model of thruster, propellant, propellant tank, gas, gas bottle, pipe and valve is presented using both the method of statistical regression and the method of stress analysis, then corresponding mass model is presented. based on the characteristics of liquid propellant space propulsion systems, analyse the five phases ( concept and definition, design and improvement, manufactureing and arrangement, operation and ma intenance, disposal ) in which life cycle cost of liquid propellant space propulsion systems is cost separately, then discompsed structure of life cycle cost and model of life cycle cost are presented

    將組件分成氣路組件和液路組件,再對氣路組件和液路組件進行相應的分類,然後通過對通用流路方進行分析和對不同類型的組件分別建立不同的方,從而建立了一個適用於液體推進劑空間推進系統的靜態數學模型;根據靜態計算所得到的數據,應用統計回歸法和應力分析法分別建立推力室、推進劑、推進劑貯箱、氣體、氣瓶以及導管和活門等的質模型,從而建立相應的質模型;結合液體推進劑空間推進系統特點,對液體推進劑空間推進系統全壽命周期費用發生的五個階段(概念和定義、設計和改進、製造和安裝、運行和維修、處理)分別進行分析,建立了液體推進劑空間推進系統全壽命周期費用分解結構和全壽命周期費用模型。
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