計數元件 的英文怎麼說
中文拼音 [jìshǔyuánjiàn]
計數元件
英文
counting cell-
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函數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元件的參數計算，並對設計出的電路用計算機進行模擬模擬和容差分析。Pressure sensor and hygrothermograph sensor are adopted respectively to sense these change ; a plc and its analogue cell are adopted to collect and analysis the data ; a mcgs component software is used to process and store the data in real time
給出了以壓力、流量和溫濕度傳感器為測量元件、以plc為主控制器、 plc模擬單元為數據轉換單元的詳細硬體設計、程序設計和組態軟體mcgs在上位機的運用。Surface transverse wave has the 1. 6 high frequency than rayleigh type surface acoustic wave ( using the same technology the frequency of devices of stw has about 1. 6 high frequency than rayleigh type surface acoustic wave ). the paper introduces the theory, design parament, technology and result expeiment of surface acoustic wave ( includes rayleigh surface acoustic wave and surface transverse wave, simple stw ) with low insertion loss, high q and researches the high frequency, low phase noise oscillator with 1ghz stw resonator as frequency element. and describes measurement method and finally experimantal result of the low phase noise surface acoustic wave oscillator
本文研究了以低損耗、高q值聲表面波（其中包括聲表面瑞利波- - rayleighsurfaceacousticwave ，和聲表面橫波等）諧振器的工作原理、設計參數、製作工藝及其實驗結果，並且研究了以1ghzstw諧振器為頻控元件的高頻率、低相位噪聲聲表面波振蕩器，以及低相位噪聲聲表面波振蕩器的測試方法和最終的測試結果。In this paper we also designed the computer optical elements based on the scalar quantity diffractive theory, which can change the laser beam into a square frame. we mainly refered to the one of those improved algorithms of gerchberg - saxton ( gs ). with the computer simulation and drawing program, the simulated diffraction patterns were gotten in this paper, the results agreed with the anticipated diffraction patterns ; in the paper we also design the computer optical elements that can shape the laser beam into a double circle shape, a lamp shape and so on
計算機模擬成像結果與預期得到的衍射圖樣相符合;文中還討論了設計參數對成像質量的影響規律。同時，本文還用標量理論設計了把高斯光束整形為雙圓斑形光束的計算機光學元件，文中主要是參考改進的gs （ gerchberg - saxton ）演算法;通過計算機模擬，得到了計算機光學元件表面的相位浮雕圖。By thorough analysis and synthetize this paper made a frame of the system of intelligent instrument and its hardware structure. as followed, this paper depicted design details of intelligent instrument " s hardware, it included the design of interface circuit, data commutations and digital logic of dsp, mcu, internet ' s chip and isp ' s apparatus etc., and have designed schematic map and circuit. so it accomplished the full design of hardware / software of the new type intelligent instrument
本文具體給出了新型智能儀器硬體結構及實現，描述了智能儀器硬體設計細節，包括數字信號處理器、單片機、 internet接入晶元、可編程數字/模擬器件等在新型智能儀器中的介面電路設計、數據通信設計和數字邏輯設計等，詳細地給出了設計原理圖和電路圖；給出了新型智能儀器的軟體設計細節，從而完成了新型智能儀器完整的軟硬體設計。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元件，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 ）作為測溫元件；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函數相結合的曲線模擬方法，進行圖形處理。Using the opened thermosiphon of 38x3 as experimental element and water as working fluid, the characteristics of dynamic low load boiling, stable severe boiling heat transfer coefficient and critical heat flux are gotten for the opened thermosiphon at the pressure of 0. 02 - 0. 1mpa and 0. 1 - 0. 8mpa respectively, which makes up the drawback that the opened thermisiphon has not yet accurate boiling heat transfer relationship formulas. by means of experimental results, an opened thermisiphon waste heat recovery boiler is designed for the high temperature gases that the positi e electrode copper refining furnace exhaust, which overcomes effectively the drawback of short life, little capacity and unable to inspect that the closed steel - water thermosion has
本文以工程上常用的38 3的開口封底為實驗元件，以水為工質，對開啟式熱管內的動態低負荷沸騰、穩態旺盛沸騰及臨界沸騰特性進行系統的可視化實驗研究，實驗壓力為0 . 02 0 . 8mpa ，實驗得出了38 3的開口封底管在工作壓力為0 . 02 0 . 8mpa和0 . 1 0 . 8mpa下的管內沸騰傳熱系數及臨界熱負荷計算關聯式，彌補了開口封底管? ?這一新型傳熱元件尚無準確的沸騰換熱關聯式的缺陷。The company has stuff more than 800, cover an area of 2 place, add up to 33000 square metre, have year of production 80 thousand taichun are advanced and optical the ability of 80 million microscope, of all kinds and optical component, wide application detects at medicine, education, industry the consumptive market such as domain and digital camera, mobile phone, umbriferous tv, scanner, the product sells past world each district
公司現有員工800餘名，佔地二處，共計33000平方米，擁有年生產八萬臺中高級光學顯微鏡、八千萬件各類光學元件的能力，廣泛應用於醫學、教學、工業檢測領域及數碼相機、手機、投影電視、掃描器等消費市場，產品銷往世界各地。We now take digital circuit approaches to realize the algorithms, i. e. using microprocessor to calculate harmonic components. so as to overcome disadvantages of analogy circuits, for example, instable circuit parameters, low calculation accuracy, inconvenient regulation and low integration level
在演算法實現上，採用數字方式，即採用微處理器進行數值計算，克服了模擬電路元件參數不穩定、計算精度差、調節不方便和集成度低等缺點。First of all, the assembly model of dfa is established and the data structure of the model is proposed ; in order to redesign product and structures and select optimized assembly plans, an assemblability evaluation system is constructed. secondly, assembly process planning is analyzed, including assembly path planning and assembly sequence planning ; and then the thesis brings forward the way of 11 - tuple to represent the movement of assembly / disassembly of assembly elements. in the end, this paper makes an research on the technology of interference checking, raised a kind of algorithm of swift interference checking based on envelops bounding box decomposition, hence, the accuracy and efficiency of the algorithm is improved dramatically
首先建立了面向裝配設計的裝配模型，給出了它的數據結構；接著從面向產品結構和裝配工藝過程兩方面再設計的角度，構建了裝配性評價體系；接著闡述裝配工藝規劃技術，包括裝配路徑規劃和裝配順序規劃；然後提出了11元組法來表示裝配元件的裝拆運動；最後對干涉檢驗技術進行了研究，採用一種基於包容盒逐層的快速干涉檢查演算法，提高演算法的精度和效率。The measuring element of the bimetal thermometer is a quick reacting bimetal coil. it is manufactured from two cold - welded metal strips with different thermal expansion coefficients and rotates in proportion to temperature
雙金屬溫度計的測量元件是一個快速反應雙金屬線圈，由兩根不同熱膨脹系數的金屬條冷焊在一起，根據溫度比例旋轉。7. the sub - committee noted an information paper on the seasonal adjustment of hong kong s monetary statistics, using special high - frequency filtering to take account of increased currency holdings in the chinese new year season and an adjustment for the increase in cash demand associated with y2k as well as increases in demand deposits due to initial public offers ipos, in addition to conventional techniques
委員會獲悉一份有關香港貨幣統計數字的季節性調整的資料文件，除了一般慣用的方法外，有關調整亦運用了特別的高頻過濾法，以計及農歷新年期間公眾增持貨幣的情況，並就因電腦公元二千年問題的現金需求增加及活期存款因首次公開招股的增加而作出調整。Based on the basic analysis of the structure and power elements of the hybrid vehicle, this thesis presents a powertrain system with a metal pushing belt cvt, aiming to the development status and trend of the hybrid vehicle technology in our country. a rational control strategy and its work mode of this powertrain system are determined, and correlative parameters such as the engine power, the starting torque, and the differential ratio, the rated power and torque of the motor, and the ratio of the torque synthesizer are systematically designed for the changan star 6350b. at the same time, the design of these parameters is considered as the base of the simulation of the motor control system in next step
在對混合動力汽車的結構型式和動力元件進行基礎性理論分析后，針對我國汽車技術發展現狀和混合動力汽車技術的發展趨勢，設計了一種基於金屬帶式無級自動變速器cvt混合動力汽車動力傳動系統方案，根據該傳動系統方案制定了比較合理的控制策略和工作模式，並針對長安之星6350b設計了發動機功率和起始轉矩、主減速比、電機的額定功率和轉矩、轉矩合成器速比等相關參數，為下一步的電機控制系統模擬實驗打下基礎。Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively
本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。Detail specification for electronic component. semiconductor integrated circuit. type ch2021 4 - bit up down synchronous binary counter dual clock
電子元器件詳細規范.半導體集成電路ch2021型4位二進制同步加減計數器Third, using the powerful fea software, ansys, it was studied how to construct the modules with high dynamic performances for nc machine tools on the foundation of the dod theory of us and bf sizes ; and the dod of the bed of nc machine tools and gantry columns were successfully accomplished, which prove that the dod theory of us and bf is feasible and efficient
3 .研究了在大型有限元分析軟體ansys平臺上，利用基於元結構和框架尺寸優化的理論，如何構造出動態特性優良的數控機床模塊。通過基於元結構和框架尺寸優化的方法，成功地對數控機床床身和龍門式立柱進行動態優化設計，驗證了基於元結構和框架尺寸優化的機床構件動態設計及大件結構創成是可行性的，且具有一定的高效性。3. on boiler retrofit, the calculation of fuel burning, the heat calculation of boiler inside structure and convection section, and the design of structure parameter of feed water heat exchanger are made. the flue gas channels " resistance calculation and the boiler strength verifying are also carried out. replacement of water cooling wall improves heat exchanging and decreases loss of heat radiant
對鍋爐本體進行了燃料燃燒計算、爐膛結構熱力計算、對流受熱面結構熱力計算、鍋爐給水加熱器結構參數設計、煙道阻力計算及鍋爐元件強度校核等；改進了水冷壁布置使換熱效果更好，減少輻射換熱損失；改進對流段結構，更充分的利用爐膛出口煙氣余熱，提高熱效率；並且進行了煙氣阻力計算、熱效率計算和能量平衡測試，對改進后的稠油燃料和改進前進行了對比，燃燒狀況和熱效率有明顯改善。In order to calculate the harmonic power flow, the parameter model of the elements and loads in power system must be achieved
進行諧波潮流計算必須得出電力系統元件及負荷等的諧波參數模型。According to the demands of the enterprises, combining with the actuality, this dissertation has designed a hydraulic control system for inlet hatch, in order to meet the waterworks " requirements - cutting off the inlet in time when an electrical failure should occur. this system benefits the safety and well - running of waterworks. besides, with the simulink in matlab, it has simulated the dynamic characters of the system to optimize the parameters, components and system
根據企業需求，結合現狀，本文設計了速閉閘液壓控制系統以滿足水處理廠遠程控制閘門及在斷電時快速切斷進廠水源的迫切需要，有利於保證水處理廠的安全、正常運行：利用matlab提供的simulink軟體包對速閉閘控制系統的動態特性進行模擬，來達到優化參數、元件、系統的目的。Based on the specification, the right phase control thyristor is chosen and the series number of thyristor is calculated. the paper also calculates the power loss of thyristor under the pulsing load, choosing the heat sink and forecast the temperature rising
以此為基礎，合理選擇了所用的高壓晶閘管元件，計算了所需元件的串聯個數，對類似於脈沖負荷下的晶閘管耗散功率進行了計算，並選擇了元件的散熱器，預計了元件的溫升。分享友人