測速計時儀 的英文怎麼說

中文拼音 [shí]
測速計時儀 英文
velocity measuring chronograph
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 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...
  • : 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...
  • : 名詞1 (人的外表) appearance; bearing 2 (禮節; 儀式) ceremony; rite 3 (禮物)present; gift 4 ...
  • 測速 : logging speed
  • 計時 : reckon by time; timing; chronography
  1. And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the

    研究中首次提出了運用高精度gps動態數據採集對雙車道公路上的超車行為進行觀,設了根據駕駛員感受度來衡量超車過程的實驗方案,並通過後期數據處理得到了超車過程中兩個重要的可接受間隙參數-可超車車頭距和可回車車頭距的臨界間隙值,為定性和定量分析雙車道公路通行能力提供有力的數據支持;同,還提出了觀超車率的實驗方法以及量加度干擾的實驗方案,統一了算加度干擾的間統間隔,為雙車道公路的服務水平量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查法和模擬程序中模型參數標定和驗證的數據採集方法。
  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:為了錄內燃機缸內的壓力及溫度,開發了一種內燃機燃燒分析.該分析由國產高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. In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased

    採用有機硅單體延遲滴加及添加水解抑制劑等技術,有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合過程中的過渡水解及縮合反應,提高了聚合物大分子鏈中有機硅鏈節的含量;利用紅外光譜與差示掃描量熱對產物分子結構進行了表徵,並通過對共聚產物力學和吸水率的試,證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有比純丙烯酸酯聚合物更優良的力學及耐水性能;從分子設角度出發,利用醇解反應合成出水解、縮合反應率較慢的兩種新型不飽和有機硅單體: ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷;利用核磁共振對新型硅烷單體結構進行了證實;研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液,且其聚合產物具有較高的力學及耐水性能。
  4. With the research object of overbank soft clay near the yiluo river, by means of pack drain to accelerate the consolidation of the soft ground and analysis of fourteen selected representative observation section, in the same time with the help of such testing apparatus as settlement plates, deflection inclinometer, piezometer, telescoping tube, my study not only evaluate the effect of pack drain ' s quickening up the consolidation of soft ground impersonalily and scientifically but also sum up the settlement disciplination of overbank soft clay after more than one years ? observation of settlement and stability continuously

    本文以伊洛河河灘相軟土為研究對象,利用沉降板、斜管、孔隙水壓力、分層沉降標等多種器,選取14個有代表性的觀斷面,進行了一年多的沉降與穩定觀。通過對觀數據的分析,進而對袋裝砂井加河灘相軟土固結效果進行了客觀、科學的評價,同推算了沉降系數m _ s和固結度參數,並對河灘相軟土的沉降規律進行了分析。
  5. 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

    首先對加及其試技術的發展歷史和現狀,液浮擺式加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試迴路的解析度、采樣約束以及試精度等基本問題,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器等試系統各部分硬體電路,驗證了電路的正確性,最後按照試系統的要求,採用了美國ni公司專為試領域所開發的虛擬器工具? ? labview作為試軟體開發工具,利用該圖形化編程語言完成了試系統軟體部分的設,實現了試功能。
  6. They include : a aluminium tank for underwater weighing, spirometers, an on - line data acquisition system for evaluating respiratory gas exchange, a heavy duty, over - sized treadmill, mechanically braked and electrically braked cycle ergometers, automated blood chemistry analysers, telemetry heart - rate monitors, core temperature monitoring system, and ibm compatible and macintosh computers

    這些器包括水下稱重試系統、肺活量、即呼吸系統分析、加長跑臺、功率自行車、自動血液生化分析、遙感心率表、體內核心溫度監、 actigraph加、 mrx標、以及相應的電子電腦設備。
  7. From the paper, it can be concluded that it is necessary to make many intellectual electronic equipments access the internet in the new era, with the development of the computer, communication and the network technique, and the embedded network platform based on the advanced x86 microcontroller has the characteristics of simplity, clarity and high - adaptability in the applications, it can be widely applied to many industrial fields such as power automation, communication terminal, monitoring and measuring system on line, embedded web, network protocol transformation, intellectual instruments etc

    縱觀全文,得出如下結論:隨著算機、通信及網路技術的發展,實現大量智能電子設備與internet的結合,即電子設備web化是信息代的新趨勢。基於本文方案構建的高端x86嵌入式網路平臺具有應用開發簡單快、靈活適應的特點,可廣泛應用於電力自動化及各種電氣控設備、通訊終端、在線監系統、嵌入式web 、網路協議轉換、智能表等眾多工業領域。
  8. Due to too much short sustained time duration of oscillation for the blades and too wide distribution of oscillation frequency over the audio frequency range, a procedure of variable gate frequency measurement has been applied to the design of frequency measuring instrument with a micro - - controller unit ( mcu ) as its core. this procedure features a high precision and rapid speed

    由於葉片振動持續間很短,且振動頻率在音頻范圍之內分佈較廣,故在設以單片機為核心的採用了變閘門頻法,該方法具有精度高、度快的優點。
  9. Abstract : determined the power - time curves of the promoter bacteria of ganoderma lucidum for e. coli, using 2277 thermal activity moniter, a new experimental model of promoter bacteria growth were established. the growth rate constant and heat output at different concentration of ganoderma lucidum have been calculated. from - c and q - c curves the optimum concentration has also been established

    文摘:用熱活性檢定了天然藥物靈芝對大腸桿菌起促菌作用的熱功率-間曲線,並根據曲線建立了細菌生長的新的實驗模型,按新模型算了促菌作用下的生長率常數,發熱量及最佳促菌濃度。
  10. Led digital multi - parameters instrument in motorcycle is a new digital instrument. it consists of a 4 - ch a / d converter, two microprocessors, a 2 - wire serial eeprom, an optocoupler, led displays and etc. there are two displays : an analog - display, a digital - display. all displays are under the control of the microprocessor

    摩托車用《新型數字式表盤設及關鍵技術研究》項目是一項非常復雜的系統工程,通過設及關鍵技術的研究需要解決: 1如何用最簡的演算法對車和發動機轉在滿足工程需要的精度下進行實量?
  11. A simulation study of velocity precision for the temporal correlation log

    間相關精度的模擬研究
  12. In this dissertation, we studied the tcra1101plus total station position system, which introduced the principle and characters of the instrument ' s closed loop tracking system. also we explained the cause of prism ' s position error and brought forward mathematic model to correct, moreover, the good results has been drawn form the expenriments. the kinetic survey system have been realized, which the sampling rate attain more than 5hz and the position precision can be less than 2mm on condition that targeted - point moving slowly at the velocity below 2cm / s. having finished the survey system to examine whether the fine - tuning stewart platform in good status, we have finished mensurating the position reference of the fine - tuning stewart platform and the offset of the prism

    在此基礎上研製了多臺器在線控制高頻采樣動態跟蹤量系統,采樣率大於5hz ,在跟蹤小於2cm / s低運動目標量精度好於2mm ;完成對饋源二次精調系統的檢,包括對二次精調平臺位置基準的標定和觀棱鏡偏心差的定;設不同動態量實驗,對全站動態跟蹤的誤差來源和特點進行了分析;從實驗角度,對全站滯及其穩定性進行了試分析,給出了定量的結果;比較了全站算機的內部間系統,發現兩者存在較大差異。
  13. With the computer controlling the output of the digital signals and the analog signals, controls and adjusts startup, stop, turn and rotational rapidity of the transducer - electromotor and the strength of brake actuator ; installs the torque sensor on dynamical axis, and installs the encoder on non - dynamical axis of the dimensional globoidal indexing cam mechanism ; utilizes the virtual instrument language labview development the test and control system, with the computer real - time monitoring, late displays and storages the data of the test, and processes the data and analyses it

    利用算機控制數字量輸出和模擬量輸出來達到控制和調節變頻電機啟停、轉向、轉;控制制動器的啟停和加載力;在弧面分度凸輪的加載軸和空軸上安裝扭矩傳感器和編碼器;應用虛擬器語言labview開發試驗臺的控軟體系統,用算機進行實與事後顯示與存儲,並進行信號處理與分析。
  14. As the key of the sample injection, a digital control instrument of mass flow controller ( mfc ), which can work in online and offline mode, was designed. it can give 4 flow signals accurately at the same time. the concentration and flux of the sample gas can be set by the instrument software

    進樣裝置的核心是自行設開發的新型流量控制,該器採用數字介面,可以以聯機和脫機方式工作,能夠同準確地輸出4路流量控制信號,對試氣體的流量和濃度進行設定。
  15. The acceleration time process of road surface plainness is got by using two integral calculus of the acceleration time process which is measured by five - wheel equipments. this data is worked as the input of the road surface for theoretical calculation. the result of experiments mostly fits that of calculation, and then the multiple - acceleration power spectrum distribution of the artillery and tractor are acquired

    在瀝青路面、破損鋪磚路和砂石路面上以不同度進行了平穩隨機激勵牽引試驗,用五輪量得到的加間歷程進行兩次積分的方法得到路面不平度的間歷程做為路面輸入進行對應的理論算,試驗結果和算結果基本相符,得到了火炮和牽引車多個加度功率譜分佈。
  16. Vi techniques are analyzed. the hardware platform and software framework are generalized and specified, a designing plan is put forward. based on this plan, this paper designs power source, amplifying circuit, comparing circuit, count circuit, memory circuit of t module

    對虛擬器技術進行了分析,總結評述了其硬體平臺和軟體框架,提出了模塊的總體設方案,根據此方案本文設模塊的電源、放大電路、比較電路和器電路、數據存儲電路。
  17. Unmanned underwater vehicle is a useful vehicle, which must be a high accurate and reliable navigation system. doppler velocity log and compass are the assistant navigation system of uuv. researching on their location precision is very necessary

    多普勒和羅經輔助導航系統作為戰的備用系統,研究其導航定位的精度是不可缺少的,而作為組合導航系統和輔助導航系統組成部分的多普勒,其精度就異常重要。
  18. In order to save and use electric energy reasonably and effectively. it is necessary to measure ac electric parameters accurately and real - time, so the rapid development of industrial production requires measuring instrument with high level. during the operation of industrial devices, it demands real - time, on - line measurment of the multi - parameters for crect operation. therefore, power system and users demand urgently a new type of safe, reliable, real - time and high - speed measuring instrument of ac parameters

    為做到節約電能併合理高效地利用電能,這就需要對電量參數進行準確、實地檢,因此,對器也提出了越來越高的要求。許多工業設備在運行過程中,需要對其進行實在線量,隨了解其各種電量參數。所以電力系統以及電力用戶都迫切需要一種安全可靠、實的交流電量綜合檢器,有效地對電量參數進行試。
  19. The system was provided with a fast pc - based data system with an easy - to - use user interface, and had many advantages such as convenient for operation, quickly, timely, non - destructiveness for multi - index measured in the same time, and offered a continuous operation

    該系統具有快處理數據的算機系統和友好的用戶操作界面,具有操作簡便、快、及、非破壞性、多指標同定等優點,並且是能夠連續運行的、高穩定性的煤質在線檢分析器。
  20. Ln era2ooo imaging iogging surface system, there are two functions to use t1ff file. it generates standard non - compressed tlff image file in reai time, and at the same time, provides users the files browsing and quick playback functions. the key to tlff image processing by object - oriented method is to design a class, ctiff. in its design, piotting function of the plotter shouid be included in ctiff so as easy to upgrade and maintenance the software. the real time generated tiff image fiie and output on the piotter are completeiy the same, which can be used as a in - situ temporary substitute for the piotter and originai data for iong term storage

    的使用主要包括兩個功能,在現場生成標準的無壓縮的tiff圖像文件,同給用戶提供tiff圖像文件的劃覽和快回放功能。用面向對象方法處理tiff圖像的核心是設一個處理tiff的類,稱做ctiff 。在設將繪圖繪圖的功能也包含到ctiff類中,這樣便於軟體的更新和維護。
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