環數 的英文怎麼說

中文拼音 [huánshǔ]
環數 英文
circular number
  • 環 : Ⅰ名詞1 （環子） ring; hoop 2 （環節） link 3 （姓氏） a surname Ⅱ動詞（圍繞） surround; encircle;...
  • 數 : 數副詞（屢次） frequently; repeatedly
  1. According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also

    根據系統技術要求，採用單片機實現了混合式直流直線步進電動機的開環數字控制；利用v f變換和復合鍵控方法實現了系統轉速等參數的數字設定；利用細分控制技術保證了電機運行的平穩性，並進行了波形分析和理論研究；採用單片機軟體降速控制策略解決直線步進電機行程末端的機械沖擊問題；同時對主功率電路、驅動電路和系統保護電路進行了分析，完成了硬體設計、製作和軟體編程、調試，最後在混合式旋轉步進電動機上進行了全面測試。
  2. Abstract : in the research of internal combustion engine, recordingin - cylinder pressure and temperature is an essential technique to study the thermal cycle of internal combustion engine. the combustion analyzer developed in this study will give both the measurements at sampling points per crank angle or sampling cycle, calculate and show the real time parameters which decide the working process of internal combustion engine, such as pressure accelerating rate, indicateed mean effective pressure, cycle - to - cycle variation, heat release rate, etc. compared with the imported congeneric products, the analyzer has many advantages such as chinese interface, low price, easy operateing, convenience in maintainance and easy upgrading

    文摘:為了測錄內燃機缸內的壓力及溫度，開發了一種內燃機燃燒分析儀.該分析儀由國產高速數據採集卡及自行開發的控制軟體組成.它不僅能精確設置每度曲軸轉角內采樣點的個數和採集循環數，而且在採集過程中能實時計算和表徵內燃機工作過程的壓力升高率、平均指示壓力、循環變動率、放熱率等參數.經實際使用以及與國外產品相比表明，此分析儀具有全中文界面、價格低、操作簡單、使用維護方便、功能便於擴充等優點
  3. Find the expected life of the part in cycles.

    求零件的預期壽命的循環數。
  4. Numerical simulation of hoisting ring based on fem

    基於有限元方法的吊環數值模擬
  5. This paper has launched exhaustive analysis and study to every module of pll and its key part ( vco ) is also improved. the history of phase - locked technology and the actuality of research on it are introduced. and then beginning with the fundamental principles of a phase - locked system, we build the mathematical model based on the architecture of the traditional analog pll, and afterwards investigate some of its characters such as tracking, acquisition, noising, and stability

    本文在對鎖相技術的發展歷史和研究現狀調查研究的基礎上，從鎖相系統的工作原理入手，分析了鎖相環的數學模型，並以此為出發點對其跟蹤性能、捕獲性能、穩定性及噪聲性能等性能進行了較為深入的研究，對環路的各項參數指標進行了詳細的推導，得出了鎖相環數理分析的普遍結論。
  6. Abstract : analyzing the general method of temperature screening for assembly in our country, combined with the experience of accelerated testing abroad, we proposed a definition method of parameters, such as temperature range, rate of change of temperature and dwell time. in this paper, we introduce some experience in a temperature screening of a mainboard

    摘要：分析了目前國內在組件溫度篩選方面的一般做法，吸收國外加速試驗的經驗，並借鑒定量篩選中根據成效率確定無故障檢驗時間的方法，提出了組件溫度篩選中各參數（如溫度范圍、溫度變化速率、高低溫保持時間和循環數）的確定方法，並以一種稅控加油機主板的溫度篩選為例，介紹了組件溫度篩選方法研究中所總結的一些經驗。
  7. Finally put the tse into the iffcs and used matlab5. 3 to conduct a digital simulation on the whole closed - loop for the purpose of testing the tse " performance in and influences on the iffcs, the output curves show the tse also works pretty well and cuts the mustard

    模擬結果表明目標狀態估計器的設計滿足性能指標的要求。最後，將目標狀態估計器加入到綜合飛行/火力控制系統中進行閉環數字模擬以驗證目標狀態估計器設計的性能，模擬結果說明其性能是符合要求的。
  8. It is an important link in the image processing system ; moreover, its result has direct relations with the high - level process and relations with understand of the image

    圖像增強技術是數字圖像處理中的一項基本技術，是圖像處理系統中預處理部分的重要一環。數字圖像增強的結果直接影響到圖像的高級處理和解譯。
  9. The mathematic models of networked control systems with single packet transmission, multiple packet transmission or data packet dropout are developed when the network - induced delay is short time delay. the open - loop mathematic models of networked control systems with long time delay are developed when the system is driven by anyone of the four different modes. the uniformed modeling method for networked control systems with long time delay is proposed

    建立了短時延網路控制系統在單包傳輸、多包傳輸以及有數據包丟失時的數學模型；建立了長時延網路控制系統在四種驅動方式下的開環數學模型，提出了長時延網路控制系統的統一建模方法；建立了多輸入、多輸出ncs的數學模型。
  10. The rotation control technology in the laser gyro strapdown inertial navigation system was studied. the method of realizing closed - loop digital control with rlg located in the strapdown inertial navigation system was discussed. the structure of rotation servo system was introduced. the designing method and process of the digital controller were given. the method of implementing digital controllers by means of computer and software flow were demonstrated. the result of simulation and debugging of this system showed that it fullfills the requirment of the strapdown inertial navigation system. it assures the stability of rotation and solves the problem of striking without increasing the volume and cost of the system

    研究激光捷聯慣導系統中的轉位控制技術.採用捷聯慣導系統本身的rlg實現轉位系統的閉環數字控制，給出了轉位伺服系統的結構組成以及數字控制器的設計方法和設計過程，給出了數字控制器的計算機實現方法和軟體流程.模擬及調試結果表明，所設計的轉位伺服系統滿足捷聯慣導系統的要求，既保證了轉動的平穩性，克服了到位撞擊問題，又不增大體積、增加成本
  11. The system is described mathematically on the basis of mass balance, energy balance, and phase equilibrium. the model of process simulation of the aht system is set up. the solution system of mathematical model of absorption cycles was put forward

    對吸收式熱變換器（ aht ）的基本原理和行為特徵在系統層次上進行了分析，進而根據質量平衡、能量平衡和相平衡方程對系統進行數學表述，建立了系統的過程模擬模型，並提出了aht吸收循環數學模型的求解機制。
  12. The linux device driver of pioneer - net uses circular buffer to receive data from pioneer - net card, and offers blocked and non - blocked data transmission modes

    先鋒網linux設備驅動程序採用循環數據接收緩沖區，並提供了阻塞式和非阻塞式兩種數據傳輸方式。
  13. P / a, fl / py ratios and ring numbers of pahs were used to assess the origins of the pollutants, suggesting possible sources such as combustion of coal, wood and petroleum pyrolysis

    P / a 、 fl / py比值、 pahs環數以及烷基化pahs表明膠州灣表層沉積物中pahs幾乎全部由人類活動產生，來源為煤炭燃燒、木材燃燒、石油類高溫裂解及油類污染。
  14. The chinese team, composed of zhu qinan, li jie and liu tianyou, scored a total of 1, 786 points in the competition

    中國代表隊由朱啟南、李傑、劉天佑三人組成，他們在比賽中打出了總分1786的環數。
  15. The matching rate of the suggested two methods were compared for the assembly size chaims with different number of the forming links, with different number of the forming link parts, and with different deviation distribution types on the assumption that the closing link tolerance of the selective assembly is a tenth of that calcalated by the extremum method

    以不同組成環數、不同組成環零件數、不同偏差分佈類型的裝配尺寸鏈為研究對象，取選擇裝配的封閉環公差為按極值法計算所得封閉環公差的十分之一，以匹配率為評價指標，比較了兩種方法的優劣。
  16. The strategies of middle school students ' distributing working memory resources in the running - arithmetic tasks

    中學生連環數運算中的工作記憶資源分配策略
  17. You can also loop through the collection once for each group, using the

    屬性確定循環數，您也可以依次通過集合中的每個組一次。
  18. Due to high sensitivity of rapd analysis to reaction conditions, main factors affecting the results including composition of the buffering system, concentrations of taq dna polymerase, primers and templates, and number of pcr cycle etc., were examined, and conditions applicable to rapd analysis of j. curcas were determined

    針對rapd標記影響因素眾多、結果重復性低的特點，對rapd分析中pcr擴增的各種條件進行了梯度測試，包括反應混合液成分、 taq酶量、引物濃度、模板濃度、 pcr循環數等。
  19. Cyclic digital transmission

    循環數字傳送
  20. The effective method of nucleation and growth of nanoparticles as applied to synthesize w - and mo - containing polyoxometalates nanoparticles in precursor films by making use of their acidity or oxidative property. the controllable synthesis of nanoparticles can be achieved by increasing synthetic cycle of polyoxometalates. the composition, structure, and properties of the as prepared composite films have been characterized in detail by uv - vis, ftir, x - ray photoelectron spectra, scanning electron microscopy, atomic force microscopy, transmission electron microscopy and cycle voltammograms

    利用有效的在前體膜中成核、生長納米粒子的方法，使用keggin型鎢系、鉬系多酸，有目的地利用其酸性，強氧化性，在膜中發生反應，從合成出基於多酸的納米粒子，通過增加多酸的反應循環數，我們可以實現了納米粒子的可控合成，採用uv - vis光譜、 ftir光譜、 x -射線光電子能譜、掃描電子顯微鏡、原子力顯微鏡、透射電子顯微鏡、循環伏安對所制備的納米復合膜進行了組成、結構和性質表徵。
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