致動信號 的英文怎麼說

中文拼音 [zhìdòngxìnháo]
致動信號 英文
actuating signal
  • 致 : Ⅰ動詞1 （給與;向對方表示禮節、情意等） deliver; send; extend 2 （集中於某個方面） devote （one s ...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  1. This dissertation is chiefly act below work : ( 1 ) expatiating the equipments diagnosis technique development process and trend, putting forward the standpoint that giving systematical diagnosis to the mechanical and electrical equipment and expanding the technical application in equipment diagnosis, making it breakthrough the traditional application of maintaining etc. in equipments, still be used for improvement and development etc. s of new product ' s design ; ( 2 ) probing into vibration type and disposal method of vibration signal, the usual method of equipment condition recognition, the essential constitutes and development trend of observation and diagnosis system ; ( 3 ) introducing the development trend of domestic and international crusher and the distinguishing feature of double turnplate stike crusher which is a new product. according to the breakdown phenomenon in running process, establishing the fault tree and deducing every kind of foundation affairs resulting in fault ; ( 4 ) studying the calculation method of critical rotation speed

    本文主要做了以下工作： （ 1 ）闡述了設備診斷技術的發展過程及發展趨勢，提出了應結合實際對機電設備進行系統診斷的新的技術思路，用實踐證明了應當拓寬設備診斷技術應用的范圍，使設備診斷技術既可以在設備管理和設備維修中得到應用，也可以用於新產品的設計改進及開發等； （ 2 ）探討了振動的類型及振動信號的處理方法，設備狀態識別常用的方法，監測與診斷系統的基本構成與發展趨勢； （ 3 ）介紹了國內外破碎機的發展趨勢，以及雙轉盤沖擊破碎機這一新產品的結構和特點，並根據試機過程中出現的故障，建立了故障樹，並導出了導致故障發生的各種基礎事件； （ 4 ）研究了臨界轉速的計算方法和原理，用傳遞矩陣法計算出了破碎機內轉盤的臨界轉速。
  2. In rat hippocampal slices, tbs induced phosphorylation of p21 - activated kinase ( pak ) and its downstream effecter cofilin, signaling proteins that enable actin filament growth

    在鼠海馬切片中，短暫快速脈沖刺激導致蛋白激酶21的磷酸化，在它的下游區產生了cofilin ，一種能使肌動蛋白絲生長的信號蛋白。
  3. Research of this paper opens out enclosing the subject that m & as and reconstruction of public companies can help to realize resource collocating of securities market, advance quality of public companies, and promote the optimization of structure and function of stated - owned economy. the paper researches how to change the financial and speculative reconstruction at present to the strategic and material reconstruction aftertime. firstly, the author proves the feasibility of m & as and reconstruction that conduces to advance management efficiency of companies and efficiency of securities market in theory, and emphasizes on some conceptions which have certain differences between westward m & as and reconstruction market and ours

    西方的並購重組理論為我們提供了一定的思考的角度，其中比較有代表性的有效率理論，從管理、經營、財務的協同效應和多元化經營、戰略重組等方面解釋了並購重組對改善企業經營管理的可能性；代理問題理論，把並購重組作為解決企業委託代理問題的一個外部機制，即當由於公司管理層的無效率或代理問題而導致公司經營管理業績不佳的時候，公司就可能面臨著被收購的威脅；信息與信號理論，認為並購重組信息向市場傳遞了有關公司管理、股票價值、資本結構等方面的信息，從而引起公司的市場價值被重新評估，導致股價波動。
  4. The characteristics of speech signal have caused the difficulty of speech recognition, these characteristics include changefulness, dynamism, instantance and continuity etc. the process of computer recognition for speech and the identification process for speech by a person are basically consistent

    語音信號本身的特點造成了語音識別的困難，這些特點包括多變性、動態性、瞬時性和連續性等。計算機對語音識別的過程和人對語音的識別過程基本上一致。
  5. At present, the most of vtr which are used in watch - control occasion for speciality are short of a uniform control - check - alarm system, which brings on the discommodiousness of operation and the user can not know the time of occurring a fault, which reduces the reliability of the watch - control system. therefor, at first, i carefully analyze the servo theory of the vtr which had been produced by chmavc with k mechanism to find out the work rule of the control signal ; second, take out some right control signal ; then for dealing with the problem of vtr in use for watch - control, i choose some right components to design the uniform control system for many special vtr with protel software. it mainly includes the following functions : operation functions of all vtr ( for example : power, play, ff, rew, stop, rec, eject, fwd, rwd, sp, lp ) was controlled by line at the same time ; in, the process of recording, when the tape walks to the end or stops by itself, the system gives an alarm and shows the number of the wrong vtr ; in the process of recording, the system gives an alarm and shows the number of the wrong vtr when the video signal from vidicon is losed ; the system controls all vtr to record on the non - working time when there is something wrong in the guarding section ; the system controls the video from vtr to switch to right monitor

    目前，用在監控場合的業務用錄像機普遍缺乏一個統一的控制及檢測報警系統，這就導致了操作的不方便和出現了故障用戶不知道，降低了監控系統的可靠性，為此，我首先對華錄松下生產的k機芯的錄像機伺服原理進行仔細分析，找出各個伺服控制信號的控制變化規律；然後從中選出合適的控制信號；針對目前錄像機在實際監控使用過程中存在的問題，選用合適的元器件；運用protel繪圖軟體，設計了這個多臺業務用錄像機的統一控制系統，她主要包括以下功能：錄像機操作功能（如power play ff rew stop rec eject及正尋反尋帶速設定等）的統一線控控制功能；磁帶在記錄過程中，磁帶到頭和磁帶自己「偷停」的報警，並要能顯示出具體是哪一臺錄像機；在記錄狀態下，攝像頭輸入信號丟失報警，並要能顯示出具體是哪一臺錄像機；在休息或其他不需要記錄時，一旦警戒區有情況，則控制所有機器自動進入錄像狀態的功能；從錄像機輸出的監控圖像信號對監視器的切換功能。
  6. In practice, the dithering of non - contact life - parameter detection system made by our group is produced because of the environmental factors such as wind, vibration, motion and so on. the amplitude of the dithering signal is stronger than that of the life - parameter signal, which makes it difficult to extract the life - parameter signal

    第四軍醫大學碩士學位論文本課題組研製的非接觸生命參數檢測系統實際工作時，由於外圍環境的干擾（風、振動、移動等）可以導致檢測系統產生抖動，這種抖動信號的幅度大於人體的生命參數信號，甚至導致檢測系統無法檢測出人體的生命參數信號。
  7. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳感器在兩主軸方向的靈敏度大致相同，敏感元件採用高度對稱的四梁結構，其中每個軸向上均採用帶折疊梁的雙側叉指電容結構，採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件，具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算，並利用有限元法進行了模擬分析，根據模擬結果得出了優化參數;在確定敏感結構的基礎上，研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析，利用差動測量技術得到由振動引起的微小電容變化量，經c - v介面電路進行相位調制處理，然後通過解調輸出與加速度成正比的電壓信號。
  8. If the icon is not matched with the characters of pseudorandom sequence, an alarm issued. if the tunnel is broken, the icons are not displayed on monitor until sending out a control signal from central monitor room

    如果線路被破壞，監控端給出的確認標識將不再顯示（除非遠程監控室發送控制信號） ，從而檢測出被監控方破壞監控頭系統的行為，有效防止因信號傳輸線路被隨意改動而導致偽圖像的引入。
  9. The total auto symbol recognition disposition method proposed in this paper can deal with the problem which converts papery of aircraft theory graphics or system graphics into vectorgraphs which can lose some useful information. furthermore, the display technique with multi - level buffer not only resolves the problem of high - speed for aircraft theory graphics or system graphics in cbt, but also ensures scrolling and zooming in / out smoothly and avoids the flashing phenomenon efficiently

    目前紙質的飛機系統圖、原理圖矢量化方法用基本的矢量圖元按其位置來再現原始圖，從而導致矢量后圖中各符號整體信息丟失問題，該文提出的自動符號識別方法可有效地解決該問題，此外改進多級緩沖顯示技術不但可有效地解決cbt中系統圖、飛機原理圖的快速顯示，而且也保證圖形可連續光滑滾動和消除放縮拖動時屏幕閃爍現象。
  10. The remote measurement system of the torque was designed, used wireless transmitter and receiver devices to transmit the signals, avoiding the errors which brought by slip ring, and solving the problems that are the space narrowness or connecting difficulty for the moving objects

    設計了扭矩遙測系統，使用無線發射接收裝置進行扭矩信號的傳輸，避免由集流環傳輸數據時帶來的誤差，而且解決了空間狹小或是被測物體處于運動之中而導致引線困難等問題。
  11. It shows that fluctuation complexity parameter is a good means to identify flow regime which is only corresponding with fluidized status

    就系統本質的運動而言，系統流化狀態在不同信號趨勢上是一致的，因此有理由認為漲落復雜性參數對應的僅是系統本身的一定運動狀況。
  12. In the software design, a digital filter is used to filter signals, and the filter ' s parameters are digital dynamic adjustable. the value of the input signals " frequency and voltage can be obtained after digital signal processing

    在軟體方面與硬體電路相一致，採用了數字濾波器實現信號濾波，實現了濾波參數的數字式動態可調，輸入信號的頻率值和電平值由dsp經過數字信號處理計算得到。
  13. So the general consensus is that 3g streaming is a prelude to the construction of dedicated mobile - tv broadcast networks, which transmit digital tv signals on entirely different frequencies to those used for voice and data

    因此，人們一致認為3g流媒體揭開了專用移動電視廣播網路建設的序曲，這種網路可以傳送完全不同的頻率的數字電視信號用於音像的接收。
  14. Abstract : the rechargeble batteries are used for backup power internal electrically equipments and instruments. but batteries lifetime usually is shorten by overwork and then malfunctions of equipment are induced. to avoid the complexion described above, the protection circuit against overwork is designed. it is based upon the voltage comparator and regulator. it will light up a red led when the volume of the batteries discharged close upon 50 % ; it will switch off the load automatically when it discharged closing to 80 % of their energy capacity, thus overwork of batteries can be avoided and lifetime may be extended

    文摘:用蓄電池做后備電源的系統（或設備） ，常因過放電導致電池提前報廢而造成設備故障.根據電池電壓隨容量變化的規律，利用電壓比較器和電壓基準源設計製作了電池放電保護電路，當電池放電量接近容量的50 %時，啟動預警信號；當電池放電量達到容量的80 %時，電路自動切斷負載，防止電池過度放電，延長電池壽命，保證系統（或設備）在供電恢復正常后能正常運行
  15. Base on review of existed study and application in suppressing cable vibration in the world, technique of mitigating cable vibration with viscous damper and mr damper has been investigated in this dissertation, and the main contents and progresses in form of summary are as following : 1 the motion differential equations of the cable - damper system are formatted, which take into account these factors, such as the inclined angle, sag, stiffness etc. coupling motion between cable and deck is studied with analytical and numerical method. numerical results show that large amplitude vibration of cable with beat rhythm will occur when exciting frequency of deck equals two times modal frequency of cable

    本文在對國內外斜拉索振動控制研究與應用現狀進行綜合評述、分析的基礎上，針對上述問題進行了深入研究，具體的研究內容和取得的成果包括： 1 、建立了斜拉索-阻尼器系統運動方程，對拉索與橋面的耦合振動作了分析和研究，數值結果顯示當橋面激振頻率等於某階拉索模態頻率的兩倍時，很小的初始擾動將引起拉索的大幅振動，並呈現拍振的特徵，與實測的拍振信號一致。
  16. Secondllv in the 1 d random traffic flow model. the relation function between the correlation and the creation. disappearance. brake probabilities of the vehicles is presented. according to the statistical mechanical approach to the spatial correlation functions. the theoretical results agree with that of the computer simulation. thirdh. based on the bml model. a main - road traffic flow model with two speeds on two dimensions is designed. this model simulate the traffic situation of one main road and several branches in the cit traffic lights placed on the crossing. vehicles breaking ~ vhile running and turning to other direction while jamming. we investigate the ~ ' e1ocitv and flo ~ ~ of the model when the initial densitvthe brake and turning probabilities. the green to signal rati3. thc number of the branches and the period of the signal are changed. then the reasons causing all the kinds of phenomena are analvzed. finallv. we simulate the bml model using the method of lattice boltzmann which ~ vas brought out by liu mu - renand obtain the velocity - density graph similar to the previous result. the upper critical densiw above which there are oniv jamming configurations. and the lo ~ ver critical density below which there are only moving configurations are the same as before. the boltzmann function which is on the lattices shows the moving and jaxmning transition obviouslv. thus it proves the possibilit of this method on the traffic research

    接著，建立了和研究了二維二速的主幹道模型，該模型模擬了城市交通中一條主幹道，多條支道的交通情況，在幹道與支道的交叉路口設置紅綠燈，車輛在運行中可以有對突發事件發生反應的剎車，在發生堵塞時，路口的車輛可考慮通過轉向來緩解交通等各種實際情況的發生，給出了車輛演化的演化方程，並通過計算機模擬，研究模型在改變車輛的初始密度、剎車概率、轉向概率、支道數、紅綠燈信號的綠信比、紅綠燈信號周期等各種情況下支、主幹道車輛的速度、流量的變化，並分析在各種情況下交通狀況的成因，提出改善交通的有效措施。最後，在劉慕仁提出的用格子boltzmann方法研究一維決定論交通流的思路下，將此法推廣到對二維bml模型的模擬上，得到了與用以往方法的研究結果相類似的速度-密度圖線，且車輛從運動相到堵塞相轉變的上下臨界密度是一致的，同時分別給出車輛在處于暢通相和堵塞相時， boltzmann函數在格子上的分佈情況，進一步驗證了此法的可行性。
  17. Abstract : in order to process signal in depth and to extract the fault feature from original signal in machinery diagnosis ， the graphical display algorithm that can keep the data length of wavelet transform results the same as that of original signal is used. the fault diagnosis of a bend axial piston pump via b - spline wavelet that has linear phase is provided. the results of study demonstrate that the new method has excellent feature and the weak fault signal can be extracted from the strong vibration background of the pump

    文摘:採用具有線性相位的b樣條小波，應用圖形顯示演算法並結合小波變換快速演算法將信號分解到不同的頻帶上，且分解結果和原信號長度保持一致，可對信號進行深層次的處理，克服了傳統的信號處理方法不易提取微弱信息的不足.通過對礦用斜軸式柱塞泵振動信號的分析，分離出了配流副磨損、球鉸松動、缸體及泵軸支撐軸承的故障特徵，為液壓泵的故障診斷提供了依據，並為信噪分離、微弱信號提取及設備的早期故障診斷提供了一條有效途徑
  18. Then, current perception threshold system is discussed in details including three main aspects : physiological background, theory of udtr and forced choice method and experiment basis providing the evidence for us to substitute heating, cooling and vibration signals with 5hz, 250hz, 2000hz sine current signals, respectively. the most important part of this thesis is the design of the system

    然後詳細論述了定量電流感覺測量系統的理論基礎，包括三個方面：生理學基礎；閾值檢出演算法（ udtr和forcedchoice方法）的理論基礎；實驗基礎，即大量實驗表明， 5hz ， 250hz和2000hz的正弦交流電流刺激分別可以代替加熱，致冷和振動信號。
  19. Generally analyses vibration signals of gearcase in some roiling mill by using various spectrum analytical methods ( such as zoom apectrum and cepstrum ), and finds out that source of exceptional vibration is owing to imbalance of the whole gearing. through assembly adjusting and carrying out dynamic balance test finally solves problems of production practice and ensure that the product line is put into production on schedule

    摘要利用各種頻譜分析手段（細化功率譜和倒頻譜）對某軋鋼廠齒輪箱振動信號進行了全面分析，發現整個傳動裝置產生的不平衡導致齒輪箱振動異常，經過裝配調整，並做了動平衡試驗，有效地解決了這一問題。
  20. A time - frequency analysis method is presented to solve paper machine press section bearing vibration signals of unstable and complication, applying wavelet function to the unstable signals for faulty bearing according to paper machine press section roll bearing characteristic, and process the vibration signals by means of decomposition and reconstruction, obtaining the vibration signals in different frequency bands, the statistic in frequency domain of relevant frequency bands is served as monitoring feature

    摘要針對紙機壓榨部滾動軸承尺寸大響應弱、運轉速度低、低頻信號容易淹沒、調制源多、振動信號非平穩性等特點而導致常規的傅立葉分析診斷故障效果不佳的情況，提出了一種應用小波變換的時頻分析方法，對振動信號進行分解和重構處理，獲得了振動信號在不同的頻段的分量，提取相應特徵頻段重構分量的功率譜的頻域統計值作為特徵參數，從而實現對軸承故障診斷。
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