函數元件 的英文怎麼說

中文拼音 [hánshǔyuánjiàn]
函數元件 英文
functional unit
  • : 名詞1. [書面語] (匣; 封套) case; envelope 2. (信件) letter 3. (姓氏) a surname
  • : 數副詞(屢次) frequently; repeatedly
  • : Ⅰ量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. In this paper, the design of a practical sort of high performance biquadrates elliptic active band - pass filters is emphasized, and then the design techniques and how to calculate the resistors and capacitances, how to make computer simulation and tolerance analysis with computer are described in detail

    摘要本文我們重點介紹了一種實用的雙二次型高性能橢圓有源帶通濾波器的設計方法,詳細介紹了該濾波器的設計步驟及阻容的參計算,並對設計出的電路用計算機進行模擬模擬和容差分析。
  2. Awk has a plethora of string functions, and that s a good thing

    Awk有許多字,這是好事。
  3. We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions

    通過理論和試驗探討,選用鎳鉻合金電阻絲作為加熱,配以陶瓷質埋入式爐膛;選用陶瓷質小尺寸扁平?圓盤均熱塊體型樣品支持器;選用0 . 5mm絲徑鎳鉻?鎳硅熱電偶( k )作為測溫;熱電偶對稱安置在樣品支持器容器的中部;選用硅酸鋁耐火纖維作保溫材料;合理選用和設計了溫度控制器、溫度變送器、信號放大電路等硬體;採用升溫曲線來控制爐膛供熱過程;採用最小二乘法非線性回歸與分段相結合的曲線模擬方法,進行圖形處理。
  4. In this article, firstly the background of the textile trade conflicts within sino - us or sino - euro are introduced, thus learn that how to discern and dodge the foreign trade risks, how to choose the appropriate investment projects have already become one of the most important questions for exporting companies on foreign trade affairs well - known as high investment and high risk. so the main text makes a risk analysis qualitatively and quantitatively on a textile - exporting trading company from three angles of statistic 、 game theory and portfolio theory, which is the main content that we studied. firstly, the statistic article adopts data of the transaction closing price of the textile clothing index in shenzhen stock exchange at the end of each quarter as well as several other kinds of data reflecting the macro - economic changes, performs an empirical analysis of these data according to the theory of co - integration test 、 granger cause test and impulse response function of time series in economitric, and learn that the impact to ti is more obvious by the economic index reflecting local commodity price level and economic prosperity degree home and abroad, as well as the impact degree and the time lag degree, and knows the macro - economic risks faced by textile business enterprises ; after that by the game theory angle we analyze exactly the managing risks faced by one textile export corporation named beauty. from the game expansion chart the system arrangement between censor ways by exportation goal countries and exporting strategies by the exporting enterprises has been analyzed. involving the benefit assignment between them both the limited rounds and infinite rounds negotiations of cooperation games have been studied, and then country responsibility and the enterprise managing risks on foreign trade affairs and so on have been analyzed exactly ; in order to realize the investment multiplication in the certain degree to disperse the risk, the

    本文首先介紹了中美、中歐紡織品貿易爭端的來龍去脈,由此可知在涉外貿易這種以高投入、高風險著稱的行業里,如何甄別和規避外貿風險、如何選擇合適的投資項目已經成為外貿企業的首要問題。因此,正文分別從統計學、博弈論和投資組合三種角度對涉外紡織品貿易公司風險進行了定性和定量的分析,這也是本文的主要研究內容。首先,統計學篇選取了深圳證券交易所行業分類指?紡織服裝指( ti )每一季度末的交易收盤價和若干種反映宏觀經濟變化的指標,利用計量經濟學中時間序列的協整檢驗、 granger因果檢驗和脈沖反應等理論做實證分析,從而得知反映國內物價水平和國內外經濟景氣程度的經濟指標對紡織板塊上市值的沖擊比較明顯,且可知沖擊程度和時滯度,進而分析出涉外紡織企業所面臨的宏觀經濟風險;接著,從博弈論的角度具體分析一家紡織品出口公司( beauty )的外貿活動所面臨的各種經營風險,該篇從博弈擴展圖入手,分析了出口目的國審查方式與本企業出口策略之間的制度安排;並圍繞雙方的利益分配,研究了有限回合和無限回合合作談判博弈,然後具體論述了國家責任和企業涉外經營風險等問題;在一定程度上為了實現投資多化來分散風險的目的,投資組合篇從經典的markowitz模型著手,在一些特定條的限制下,給出了一個相應的投資組合模型。
  5. This paper first begin with the connotation of virtual instrument technology, study and discuss the criterion and the working theory of usb deeply. on the principle of usb1. 1criterion, using usb interface chip usbn9604 and low consumption mirochip c8051f231, we designed the available interface of usb bus and its controlling software, turn the communicating function based usb bus between computer and testing device. second based on the developed interface of usb bus, using microchip pic16c62 and a mount of relays, we designed the multiswitching scanner and its controlling software to complete the funtion of accesses swithing in testing system. third calling the api function inside the windows using vb programming language, communicat with the impelling program of selected hid, achieve the function of testing instrument with usb interface, complete the development of upside software faced testing. at last, based on the deep studying of pcb testing method, used the developed multiswithing scanner and software faced testing, combinated with necessary testing instrument, we constructed the pcb testing system and analized the testing result simply

    論文首先從虛擬儀器的技術內涵出發,深入研究和討論了通用串列總線usb規范及工作原理,並依據usb1 . 1規范,採用usb介面晶usbn9604和低功耗微處理器c8051f231設計開發了通用的usb總線介面及其控制固,實現了通用計算機與測試設備之間基於usb總線的通信功能;其次,在所開發的usb總線介面的基礎上,使用微處理器pic16c62和多路繼電器開關,設計開發出實現測試系統中測試通道切換功能的多路通道掃描器及其控制固;再次,採用vb語言編程,調用windows內部api,與選定hid類驅動程序進行通信,實現usb總線介面測試儀器功能,完成面向測試的上層軟體開發;最後,在深入研究印刷電路板測試方法的基礎上,利用已開發的多路通道掃描器和面向測試軟體,結合必要測試儀器組建印刷電路板測試系統,並對測試結果進行了簡要的誤差分析。
  6. The paper analyzes and discusses the law that the result precision of thermal stress is affected by the proportionments of element border length, border condition, form function and so on, and compares the method with displacement finite element method being used

    分析、討論單邊長比、邊界條以及插值形式等對熱應力結果精度的影響規律,並與現有的位移有限方法進行比較、分析、評述。
  7. Series of general - purpse instruments : including series of 2800 and 2500 electronics compoment parameters testing meter and related products ; series of 1630 function signal generator ; 1250 ultralow frequency spectrum analyzer and signal generator

    通用類儀器系列:包括2800系列、 2500系列測量儀及其配套產品; 1630系列信號發生器; 1250超低頻系列頻譜分析儀及信號源。
  8. The main works are as follows : 1. the paper systematically describes basic concepts and theories that form the foundation for design of general microwave filters. the topics will cover filter transfer function, lowpass prototype filters, frequency transformations, immittance inverters and the passband insertion loss under the influence of the dissipation of filter elements 2

    現總結如下: 1 .對微波濾波器的設計理論進行系統的分析,闡述了微波濾波器的傳輸、低通原型、頻率變換、倒置變換器以及損耗對帶內插損的影響等方面。
  9. For the job - shop problem, the operator selecting and algorithm realization based on working procedure coding and based on job coding is investigated in the paper. some key algorithm such as fitness evaluation function is given in detail. genetic algorithm is employed to search for the optimized parameters of pid controller applied to ship controling

    對于作業車間調度問題,本文分別探討了基於工序編碼和基於工編碼的調度問題的運算選擇和演算法實現,對于關鍵演算法如適應度評價的實現進行了詳細的討論,並給出了具體的實現步驟。
  10. A remark on sufficient condition of extreme value for bivariate functions

    極值充分條的評注
  11. And so on, the mathematical model and transfer function of the tracking system are built, and the feasibility of the tracking control system design is demonstrated. furthermore, the static error of the system with a unit incline input is deduced. a majority of model of unit is based on analytics, so the general model can apply to other optical intersatellite communications systems

    在此基礎上,將atp跟蹤控制子系統視為線性定常系統,通過解析法和實驗法對子系統的各個控制環節的單進行合理建模,得出整個環路總的開環及閉環傳遞,論證了本課題所設計的atp跟蹤控制環路的可行性及其視軸輸入為斜坡信號時的理論穩態誤差。
  12. The file _ get _ contents ( ) reads a file into a string

    的作用是:將整個文讀入一個字串。
  13. In view of the fact that the genetic algorithm of stochastic programming based on random simulated technology has succeed greatly, this paper points out that changing parameters of genetic algorithm can obtain a sequence of optimum values of goal function. taking these genetic algorithm values as sampling data, we can get fitting optimum function by using multivariate spline regression and get the lipschitzs constant of the fitting optimum function. so for any chance constrained programming problem, we can get its interval estimate

    鑒于基於隨機模擬技術的遺傳演算法在求解隨機規劃問題上的優越性,本文指出,改變遺傳演算法的參,在此基礎上求得機會約束規劃的若干個最優值,以這些最優值為樣本點,利用多樣條回歸,擬合得到最優值,進而求出最優值的lipschitzs常,從而對于任一機會約束規劃問題,都可以得到它的一個區間估計。
  14. By using conditional moment generating functions and differentiation of measures on a net, some limit theorems and a class of deviation theorems of multivariate function sequences of arbitrary random variables ralated to the conditional expectations are obtained

    本論文利用條矩母和網微分法,得到任意隨機變量多序列相對于條期望的偏差定理和極限定理。
  15. Secondly, the effect of distance function for clustering performance is researched, the disadvantages of euclidean distance for part family formation are pointed out, a more suitable part - machine processing feature related distance function is put forward, with which the clustering errors for parts and machines are basically eliminated

    第二,深入研究了距離對fcm聚類性能的作用,指出歐幾里德距離對于製造單構建問題的不足,提出了更加符合成組技術需要、反映問題本質特徵的距離,解決了fcm對具體零和設備的聚類錯誤問題。
  16. In order to formulate the reasonable rejection standard of automobile and the synthetic evaluation of performance, based on synthetic analysis of the performance indexes of various systems part, this paper has established the extensional matter - element evaluation model, and brings forward the extension evaluation method with relative functions

    為了制定合理的汽車報廢標準及綜合性能評價,本文在綜合分析汽車各系統部性能指標的基礎上,建立了汽車完損度可拓物評價模型,並給出了基於關聯的可拓評價方法。
  17. Application of maximum minimum value of quadratic function

    極值的一個簡便判別方法
  18. A decision method of normal function

    極值判定的一種方法
  19. Three - dimensional function conditional extremum ' s sufficient conditions

    極值的充分條
  20. On the criterion for conditional extrema for functions of 2 - variables

    極值的一個判定方法
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