歷時計時器 的英文怎麼說

中文拼音 [shíshí]
歷時計時器 英文
elapsed timer
  • : Ⅰ名詞1 (經歷) experience 2 [天文學] (歷法) calendar 3 (歷書; 年鑒; 歷本) almanac Ⅱ動詞(經...
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 歷時 : last; take
  • 計時器 : calculagraph; time meter; chronoscope; timer; time market; time totalizer; elapsed timer; running...
  • 計時 : reckon by time; timing; chronography
  1. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度及其測試技術的發展史和現狀,液浮擺式加速度的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設,實現了測試功能。
  2. Calculator, calendar, world clock alarm, voice memo, handsfree speakerphone, task list, file manager, note pad draw pad

    算機行事國際間及鬧鈴錄音機功能內置擴音工作事項檔案管理記事本及繪畫板
  3. Tung wan, cheung chau this 3, 000 - year - old rock carving, reported by a geologist in 1970, is located at the southeastern end of the island, immediately below the warwick hotel

    距離現在已有3 , 000年史的青銅代石刻,位於長洲東灣沿岸的華威酒店下方,於1970年被地質學家發現。
  4. Relay transistor output lcd display 8 function key built - in

    具有高速外部中斷間中斷模擬輸入輸出萬年rtc等功能。
  5. Liquid crystal display and rtc have more application in the design and using of the system, so a detailed introduction about them is given in the text

    液晶顯示和日鐘在系統的設和使用中有較多的應用,所以在本文中也有關於它們的詳細介紹。
  6. In the designed hardware, at89c51 single chip computer and many kinds of new type circuit chip ( including : special power measuring chip - cs5460a, ds1302 calendar / clock chip, sms0601 lcd, x5045 serial memory ) are used for design. the hardware circuit is simplified, the meter ' s anti - interference ability is enhanced and the precision of measurement is also advanced

    中以at89c51單片機為核心,採用多種新型集成電路晶元(包括電能量專用晶元cs5460a 、 ds1302日鐘晶元、 sms0601液晶顯示、 x5045串列存儲)進行介面設,簡化了硬體電路,提高了電能表的抗干擾能力和測量精度。
  7. More than 140 retail companies including haitian plaza, vanguard, taifeng electrical appliances participated in this 44 day long shopping festival

    據統,這次44天的購物節活動,共有國貿海天城、萬佳百貨、泰豐電等140多家商家參與。
  8. Because the tivoli monitoring web health console is designed for real - time monitoring of server status and health rather than long - term analysis of historical data, it maintains statistics for 24 hours and then refreshes them

    因為tivoli monitoring web health console是設用於實監控服務狀態和健康狀況的(而不是史數據的長期分析) ,它維護了24小之內的統信息, 24小后進行刷新。
  9. Under this condition, this paper focuses on the practical situation in chongqing changan automobile company. first of all, the paper analyzed the emission control technology in different periods in china as well as the world, and summarized the legislation status in europe, america, japan and china. beginning with the construction analysis for exhaust emission catalytic converter, the catalytic converter for " changan star " model sc6350c was designed

    排放法規的嚴格執行,促使中國汽車業加快了汽車排放控制技術的應用研究和開發,本文在這一背景下,結合重慶長安汽車公司的實際情況,首先分析了國內外各個期的排放控制技術,闡述了歐美日以及中國的排放法規狀況,然後從排氣凈化的結構分析入手,針對「長安之星」汽車設了一種sc6350c排氣凈化
  10. This paper involves the refrigeration principle and technology, the thermodynamics principle, the exergy analyses principle and its applications, the sensor principle and its applications, the microcomputer testing technique, the auxiliary engine of the ship etc. at the same time, to realize the measuring of cold store running parameters so that the main equipment of this system can run safely and reliably, measuring points are disposed at inlet and outlet of main devices, and computer detecting technology is used to measure the real time data at every point

    內容涉及到製冷原理與技術,熱力學原理,火用分析原理及應用,傳感原理與應用,微型算機檢測技術,船舶輔機等諸多方面的知識。同,為了實現對冷庫系統運行參數的全程檢測,以利於系統主要設備的安全可靠運行。在系統的主要設備進出口均布置了測量點,同利用算機檢測技術對各測量點數據進行在線檢測,檢測軟體是基於魯班組態軟體平臺而開發的,可以實動態顯示檢測數據及數據的趨勢圖,還可以完整保存史數據,以利於分析系統常年運行工況,進一步制定改進措施。
  11. The basic principle of natural gamma - ray log is stated, the developing background, developing ways and developing situation of natural gamma - ray tools are introduced. the researching task of the paper is presented through analyzing the using situation and questions exsisted in inner natural gamma - ray tools, the researching work is started from three aspects, they are logging tool development, reliability design and reliability assuring methods, and the data processing methods, in the course of logging tool development, instrument indexes are presented based on the compatible property of sookbps telemetry system and environmental property, the analog measuring chanel and the interface circuit which realizing the compatible performance are designed according to the instrument mdexes. the detecto * design. the plateau property testing of the detector and the analysis of it ' s affecting factors are stated, the measuring property of the tool is discused, a new type of single chip microcomputer is selected when designing the interface circuit, and the laboratory experiments has fulfiled conmunieating standard signals between the interface circuit, the universal interface unit of sookbps telemetry system and also 500kbps telemetry system

    本文首先概要介紹了石油測井的基本概念、方法、條件、最新進展、以及應採取的研發對策,論述了自然伽瑪測井的基本原理,介紹了自然伽瑪測井儀的發展背景、發展程和發展現狀,通過分析國內自然伽瑪測井儀的使用情況和存在的問題,提出了本文的研究任務。研製工作從測井儀研製、可靠性設與可靠性保障技術、數據處理方法研究三個方面展開,在測井儀研製過程中,根據500kbps遙傳系統要求的配接性能和使用環境特徵,提出了主要儀指標,並根據這些指標,設了儀模擬測量通道和實現這一配接性能的介面電路;論述了探測的設、坪特性影響因素分析及其測試,探討了儀的測量性能;在設介面電路選用了新型單片機晶元,並與500kbps遙傳通用介面單元rtu 、 500kbpa遙傳系統實現了室內配接。
  12. It aims at reducing the number of execution cycles of instructions, and has experienced from the period of single issue architecture to the period of multiple issue architecture. in the past twenty years, risc has become more and more mature abroad. it makes great sense to develop our own risc and it is a effective way to develop our own risc with the instruction set which is compatible with those of risc which has been widely used

    80年代初出現的risc技術是算機體系結構的重大變革,它以減少指令執行的平均周期數為結構設的主要目標,經了從單發射結構到多發射結構的演變過程,解決了深度流水技術、相關技術、轉移預測技術、編譯優化技術等一系列技術難點,在20多年的間里, risc技術的發展已日趨成熟與完善微處理在軍事和民用領域都有著廣泛的應用,研製具有我國自主獨立版權的微處理在當今具有重大意義。
  13. They are agricultural productive materials price growth rate, sown area of grain crops growth rate, grain yield per area growth rate -, natural disaster covered grain areas growth rate, net grain import change rate, grain reserve change rate, population growth rate, per income growth rate, city and town population growth rate, food industry production value growth rate, year - end pig number growth rate, medical & pharmaceutical and textile industry production value growth rate, grain marketization degree, inflation rate using the previous year as base year ( preceding year = 100 ), public grain purchases price growth rate, investment in agricultural science and technology growth rate, investment in agricultural infrastructure growth rate, growth rate of graduates number from agriculture, forestry, science & technology universities and colleges and specialized secondary schools, government expenditure for agriculture and agricultural credit growth rate, international grain price growth rate, rmb exchange rate growth rate, last grain price growth rate, economic crop price growth rate, meanwhile, a new method is attempted to be used in this paper and the grain price early - warning problem is transformed into machine learning problem by introducing statistic learning theory and svm method which are gaining popularity in machine learning field at present in the world

    在此基礎上,篩選出23個警兆指標:農用生產資料價格增長率、糧食播種面積增長率、糧食單產增長率、糧食受災面積增長率、糧食凈進口量變化率、糧食儲備變動率、人口增長率、人均收入增長率、城鎮人口增長率、食品工業產值增長率、豬年末頭數增長率、醫藥紡織工業產值增長率、糧食市場化程度、以上年為基年的通貨膨脹率、國家糧食定購價格增長率、農業科技投入增長率、農業基礎設施投入增長率、農、林、科技高校大、中專畢業生人數增長率、財政支農資金比重及農業信貸增長率、國際糧食市場價格增長率、人民幣匯率增長率、上期糧食價格增長率、經濟作物價格增長率。同論文在預警方法上作了新的嘗試,把糧食價格預警問題轉換成一個機學習問題,引進當前國際上機學習領域中比較熱門的統學習理論和支持向量機方法,用順序回歸演算法對史數據進行學習建立了糧食價格預警模型。
  14. The computer mainly realizes the functions of long - range supervision and management and it includes : real time data communication, running state monitoring, history data save and print, error alarm, etc ; the industry computer system mainly compulish data acquisition and signal setting during the experiment and finish data storage and management ; the plc control system mainly accomplishes the on - off input and output, it accomplishes timing control, checks the status and carries the over - voltage and over - current protection ; except for acquiring experiment data, intelligent control instruments also have the function of errors diagnose and communication

    上位算機的任務是實現遠程監測和管理,主要進行實數據通信、運行狀態監視、史數據存儲與列印、故障報警等;下位工業控制算機主要用於實驗數據採集和參數預置; plc控制系統主要完成開關量和部分模擬量的輸入輸出,實現系統運行的序控制狀態巡檢和過載保護;智能監控儀除獲取現場參數外,還具有故障之診斷和通信功能。
  15. As neural network has the ability of self - learning, that utilizes prior output data of uncertain system to estimate iteratively the static state property of system in order to achieve ideal approaching precision for identification of the positive model, a robust iterative learning control scheme on the basis of better positive model is designed. the neural network is used to identify the positive model of nonlinear system on iterative axis, which can give feed - forward action of iterative learning controller to reduce the effects of nonlinear properties and model uncertainties. meanwhile, feedback action of iterative learning controller make joint movement follow the desired trajectory on time axis by using controlled parameters derived by the neural network

    由於神經網路具有自學習能力,它可利用不確定性系統的史輸出數據對系統的穩態特性進行估,使得對系統正向模型的辨識達到理想的逼近精度,然後在此正向模型的基礎上進行學習控制律的設:即採用神經網路辨識非線性系統的正向模型,並消除系統不確定性和外部干擾的影響,使關節運動沿迭代軸方向逼近期望軌跡;迭代學習控制在線學習控制參量,使關節運動沿間軸方向跟蹤期望軌跡。
  16. The slag detection system and the pc with such a software system are combined to make a more powerful one, which can implement the real - time data processing functions in continuous casting product, including the display of the real - time slag signal, the storage of the data obtained in the process of the product, the inquiry of the bypast signal data and their printout. the new system has been tested on the continuous caster with loot ladles and the prospective results obtained

    ,設實現了檢測儀和微機之間的介面電路,將下渣檢測儀和數據記錄軟體組成一個更大的系統,從而實現了連鑄生產線的實數據處理,包括實曲線顯示、大容量數據的存儲、史數據的查詢、列印等功能,並已在連鑄生產線的現場測試運行,取得了初步的成功。
  17. When the generator runs, it runs event chronicle rules to update the chronicle used for scheduled subscriptions, then runs the event - driven rules against unprocessed event batches, and then runs the scheduled subscription rules for all scheduled subscriptions due to be processed

    生成運行,它運行事件史記錄規則來更新用於劃訂閱的史記錄,然後針對未處理的事件批次運行事件驅動規則,針對預定要處理的所有劃訂閱運行劃訂閱規則。
  18. To examines and calibration discovers the breakdown the check - out facility, or in uses when the check - out facility loses, the damage, by laboratory arrangement service, and fills out repairs record in " measurement appliance historic record card "

    對檢定、校準中發現故障的檢測設備,或在用檢測設備失準、損壞,由實驗室安排維修,並在「史記錄卡」中填寫修理記錄。
  19. The portable infrared press instrument has the following characteristics : has small volume and weight and carry easily ; use a keyboard to input orders and display the corresponding information on the lcd display for the sake of the user ' s convenience ; has big data capacity and can collect 30 press measure instruments all the data which have stored for a week ; show the real - time date and time ; communicate through the infrared with speed of 2400kbps ; has the intrinsically safe circuit and can be safely used under coal mine

    本文所研製出的紅外線壓力手抄的主要特點是:體積小、重量輕、易於攜帶;使用鍵盤輸入命令,並在液晶顯示屏上給予相應的提示,極大地方便了使用者;數據容量較大,可一次採集30臺壓力測試儀一周內存儲的壓力數據;全日鐘顯示;紅外數據通訊功能,傳輸速率為2400kbps ;本安設,可安全的應用於煤礦井下。
  20. According to the special requirement of checking system of broken safejine, this paper primarily deals with how to choose sensor and modules of plc as well as how to design the software of plc, demonstrats the feasibility of the system in theory, expounds the development idea and method of plc software

    針對斷線檢測系統的特殊要求,本文主要立足於傳感、 plc模塊的選擇,以及plc軟體的設,從理論上論證了系統的可行性,闡述了plc軟體的開發思路與方法,同也體現了整個系統開發過程中多種方案的提出與選擇程。
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