速率設定 的英文怎麼說

中文拼音 [shèdìng]
速率設定 英文
rate setting
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 率名詞(比值) rate; ratio; proportion
  • : Ⅰ動詞1 (設立; 布置) set up; establish; found 2 (籌劃) work out : 設計陷害 plot a frame up; fr...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • 速率 : speed; rate; tempo
  • 設定 : bd/ dvd settings bd/dvd
  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等參數的數字;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;同時對主功電路、驅動電路和系統保護電路進行了分析,完成了硬體計、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. In pumping fluid with gas, pressure boost can be improved by enhancing the pump rotation speed, thereby improving the performance of the pump to a certain degree ; when the gas content is constant, by increasing the inlet pressure, the pressure boost can be enhanced and the pump efficiency be improved remarkably ; when the gas content is rather high, there will be a problem of matching between the gas pressure and the fluid pressure ; the performance of the multiphase pump can also be improved by means of rational design of buffer vessel and homogenizer

    試驗分析認為,氣液混輸工況下,提高泵轉可以提高增壓,在一程度上能改善多相泵的工作性能;含氣時,增加進口壓力,可使多相泵增壓值增大,泵效明顯增加,最大含氣點后移,但含氣很高時,存在氣液壓力相匹配問題;改進緩沖罐和均化器的計,有利於氣液互相夾帶,避免氣囊產生,可改善多相泵的輸送性能。
  3. At first, according to the concrete requirement of the servo control system, a collective scheme, which provide guarantee to meet the requirements of the global performance, is established. in this scheme, the structure of gimbal and the torque motor driven mode are adopted, and angle measurement is accomplished by inductosyn and velocity measurement is accomplished by dynamically tuned gyro respectively

    首先,根據目標真值測量備伺服系統的具體要求,確了地平式常平架結構,力矩電機驅動,分別採用動力調諧式陀螺儀及圓盤式感應同步器作為及位置反饋元件這一總體方案,為伺服系統滿足整體性能指標要求提供了保證。
  4. Based on the tms320f240 controller produced by ti company, the hardware and software designation of the symmetrical voltage space - vector pwm is presented. designed a digital controller with tms320f240 to modulate the speed of the motor, in which the keyboard and led display are bedded. it can be to set the frequency of motor and display the run frequency of motor in real time

    基於ti公司的tms320f240控制晶元,介紹了對稱空間電壓矢量硬體計和軟體計,採用tms320f240計了一款用於電機變頻調的數字控制器,該控制器上計有鍵盤和led顯示,可以和動態顯示電機運行頻
  5. The system measures photosynthesis rate by using infrared co2 gas analyze method. it has two work modes : open route and close route. it can measure the leaf photosynthesis rate, transpiration rate, stomata conductance and co2 thickness in cell clearance etc parameters about plant physiology

    本文研究計了測光合、蒸騰的主從式虛擬儀器系統,系統採用紅外線分析法測光合置有開路和閉路兩種測方式,可以測量植物葉片的光合、蒸騰、氣孔導度和細胞間隙co _ 2濃度等與植物光合作用相關的參數。
  6. Actual operation shows that, using the stabilizer can secure the concentration ratio in the process and corrosion speed and meet the design requirements

    現場實際運行結果表明,該水質穩劑能保證該系統運動時的濃縮倍及腐蝕滿足計要求。
  7. Compared with the classical bp algorithm, robust adaptive bp algorithm possesses some advantages as following : ( 1 ) increasing the accuracy of the network training by means of using both the relative and absolute residual to adjust the weight values ; ( 2 ) improve the robustness and the network convergence rate through combining with the robust statistic technique by way of judging the values of the samples " relative residual to establish the energy function so that can suppress the effect on network training because of the samples with high noise disturbances ; ( 3 ) prevent entrapping into the local minima area and obtain the global optimal result owing to setting the learning rate to be the function of the errors and the error gradients when network is trained. the learning rate of the weights update change with the error values of the network adaptively so that can easily get rid of the disadvantage of the classical bp algorithm that is liable to entrap into the local minima areas

    與基本bp演算法相比,本文提出的魯棒自適應bp演算法具有以下優點: ( 1 )與魯棒統計技術相結合,通過訓練樣本相對偏差的大小,確不同訓練樣本對能量函數的貢獻,來抑制含高噪聲干擾樣本對網路訓練的不良影響,從而增強訓練的魯棒性,提高網路訓練的收斂度; ( 2 )採用相對偏差和絕對偏差兩種偏差形式對權值進行調整,提高了網路的訓練精度; ( 3 )在採用梯度下降演算法對權值進行調整的基礎上,通過將學習為訓練誤差及誤差梯度的特殊函數,使學習依賴于網路訓練時誤差瞬時的變化而自適應的改變,從而可以克服基本bp演算法容易陷入局部極小區域的弊端,使訓練過程能夠很快的「跳出」局部極小區域而達到全局最優。
  8. Then it studies the implementation, architecture and characteristic of embedded guis based on framebuffer, designs testing programs to test several embedded gui system ' s performances ( stability, efficiency ), and finally chooses qt / embedded as the development platform of the bsas. chapter 3 firstly briefly describes the embedded system hardware architecture, and then enumerates functions of system software

    在分析了若干種基於幀緩沖( framebuffer )的嵌入式gui的實現、體系結構和特點的基礎上,計了測試程序對比它們在穩性、繪圖等方面的性能,最終選擇qt embedded作為嵌入式系統軟體開發平臺。
  9. This processing line is composed of two sszym 1500a straight line double pencil edgers, with 90transfer worktable. which adopts plc control system sets processing parameters via interface to control width and speed, double screw rod and double straight line glide transmission, guarantee the active briges parallel moving precision, can grind 3 8mm thickness flat edge and pencil edge. this machine structure was designed tightly, function stabilized with high efficiency. it is mainly suit for large batch industrial glass which does deep process and production, be matched with glue printing steel etc. production line. this product is a master work with firenew design by our company, it is another contributisn for chinese glass double edger series

    採用plc控制系統通過界面參數,控制加工的寬度和度,雙絲桿和雙直線導軌傳動,保證活動橋的平行移動精度,適用與加工3 8mm的小規格玻璃的平邊和圓邊。該機計結構緊湊,性能穩可靠,生產效高。主要適應大批量工業玻璃深加工生產可以與夾膠印花鋼化等生產線配套使用。
  10. The product is suitable for double straight line smoothing of grinding flat glass. coarse grinding, fine grinding, and polishing can be done at one time. adopt plc control system, which sets processing parameters via interface, and finishes processing at one time, ti has stable bottom structureprecise and smooth transmission system, the transmission belt drive adopts strong power and tran - sfrequency motor to control speed, constant power, constant rule, output and advanced equipment to control, completed product has high polishing level, which is an ideal option assistant processed equipment of processing delicacy glass and furniture glass factory

    本產品適用於磨削平板玻璃是雙直線平邊,粗磨精磨拋光一次完成採用plc控制系統通過界面加工參數次完成加工,具有穩重扎實的底座結構,精確流暢的傳動系繞,傳送皮帶驅動採用功變頻電機調控制,恆功恆扭矩輸出和高配置的控製成品拋光亮度高是加工精品玻璃和傢具玻璃廠家使用的最佳輔助加工備。
  11. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功和斜效的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的方程為基礎,提出了ld端面泵浦nd : yag激光器的計方法,給出了一泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,計了自聚焦透鏡耦合小功ld泵浦nd : yag激光器和透鏡組耦合高功ld泵浦nd : yag激光器,對激光器的輸出功和功性等特性進行了實驗研究;再次,在帶尾纖輸出的高功ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功的自然指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功,隨著泵浦功的增加,測量范圍擴大,靈敏度提高,當端面泵浦功為7 . 24w (最大輸出功為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  12. Based on the pull - out tests data between geogrids and expansive soil / sands arranged by the orthogonal table l9 ( 34 ), the following conclusions are reached : 1 ) the displacement - properties of pullout tests depend on the pullout speed. the law of factors " affecting degree, which influences the parameters between geogrids and soils in the pulling - out procedure, is obtained. with the concept of " equivalent pull - out displacement ( x ) " brought forward, the whole process of pull out tests is divided into two process - " main process ( when x 1. 0 ) " and " residual process ( when x 1. 0 ) ", and three stages - static friction resistance stage, slip friction resistance stage, and residual friction resistance stage

    基於正交計表l9 ( 3 ~ 4 )分別安排了影響因素與土工格柵膨脹土或砂土界面相互作用參數的拉拔試驗數據,獲悉: 1 )拉拔試驗位移特性主要取決于影響因素中拉拔;通過分析並獲取影響因素對筋土界面相互作用參數的影響程度及其在拉拔試驗過程中的變化規律,提出了當量拉拔位移( x )的概念,並據此將拉拔試驗全過程劃分成「主過程( x 1 . 0 ) 」和「殘余過程( x 1 . 0 ) 」 ;且將影響因素對拉拔力或摩擦阻力系數的影響程度分成三階段(靜摩擦阻力階段、滑動摩擦阻力階段,殘余摩擦阻力階段) ; 2 )不同(規范)義的筋土界面摩擦阻力系數數值相差較大,但影響因素對摩擦阻力系數影響程度及其變化規律不會因不同(規范)義而受到影響。
  13. Designed semi - physical simulations emphasized on attitude determination algorithm based on star sensor combined with gyroscope, bang - off - bang time - optimal jet control algorithm, and quaternion feedback control algorithm using flywheel

    重點針對星敏感器和陀螺聯合姿演算法、噴氣bang - off - bang時間最優控制律演算法、反作用飛輪四元數反饋穩態控制律演算法分別計了半物理模擬實驗。
  14. A method based on the application of an injection process analysis software is introduced in this article, which optimize injection process through changing the design of fuel - injection pump cam. a model of 1115 single cylinder direct injection diesel engine is used as an example. with the help of pre - journey optimization, increasing cam lift and using tangent - function can make the matching of the injection system with the diesel more reasonable. without changing fuel pump installing size, it can enhance injection rate and injection pressure and improve the diesel operating stability in low speed condition

    本文以國產1115型單缸直噴柴油機為例,介紹一種應用噴油過程分析軟體改進噴油泵凸輪計的方法,通過增大噴油泵凸輪升程、採用切線函數凸輪並優化預行程的方式,在不改變噴油泵安裝尺寸的前提下,可提高噴油壓力和噴油,改善柴油機低工作穩性,使噴油系統與柴油機匹配更合理。
  15. Based on the realization of the encoder / decoders, this scheme aims at the highest rate downstream frame, and has realized the parallel fec circuit and scrambler complying with the protocols and maken a simulation. the fprme decoder is advanced in the world. the parallel fec circuit completely conforms to the itu - t protocols, and has important practical value

    在rs ( 255 , 239 )硬體編碼器/解碼器實現的基礎上,本文按照gpon協議要求,針對gpon中最高2 . 488gbps的下行幀,通過計復雜的操作時序,實現了符合協議規的32位并行fec編解碼和解擾碼電路,並作了模擬。
  16. On the basis of high speed hybrid filter banks adc system, a kind of downsampler model based on bandpass sampling theorem is presented, and analyzed, proved in time and frequency domain, in addition a downsampler is designed according to the model. a class of high effective hybrid filter banks adc system which bases on the downsampler and radio frequency spectrum is proposed, of which digital signal rate falls m times as fast as the former

    作者提出了一種基於帶通采樣理的抽取器數學模型,對該數學模型進行了時域、頻域的分析證明后,計了一種基於該數學模型的抽取器,進而根據無線電射頻信號頻譜的特點,提出了高效混合濾波器組adc系統,其數字信號輸出比高混合濾波器組adc系統降低m - 1倍。
  17. The system is based on chopper constant current drive technique, according to the top level design idea, adopting advanced specical subdivision control integrate circuit and powerful function 80c196kc to organize the system frame, desiging the minimum system of single - chip microcomputer, multifunction i / o interface circuit, relay switch circuit, keyboard and display circuit, multifunction digital setting interface circuit and so on, utilizing the hso and hsi interface circuit which are owned by this single - chip microcomputer exclusively and its powerful command system to realize dual - degree switch control, automation orientation, automatically searching zero position, locking machine when stopping, frequency to set digitally, automatically adjusting speed through changing frequency, swithing subdivision or squarewave control, on the basis of above, the system also have the function of running according to the setting steps and the frequency, voltage and current to display through the led, etc

    系統基於斬波恆流驅動技術,按照頂層計思想,採用先進的專用細分控制電路和功能強大的80c196kc單片機來組建系統構架,計了單片機最小系統、多功能i o介面電路、繼電器切換電路、鍵盤顯示電路和多功能數字介面電路等,利用該單片機獨有的hso和hsi介面及其強大的指令系統,實現了雙余度混合式步進電動機的余度切換控制、自動位、零位自動搜索、停機鎖、數字化頻、自動調頻變控制、細分方波切換控制,在此基礎上,該系統還有按預置步運行、 led頻電壓相電流顯示等功能。
  18. According to the actual situation and performance requirements, how to impair the influence of the disturb torque and the uncertainty of the system object model and how to improve stabilization and tracking accuracy are the principal difficulties in this paper. to solve these problems, a method by using mutative - plus and high - order compensation is brought forward and design by adopting h mixed sensitivity method in the velocity loop, then the weighting function selection is discussed, and the concrete selection principles are given in details

    根據本系統的實際工作情況和性能指標要求,通過分析指出,如何克服機(艦)載條件下干擾力矩的影響及系統對象模型的不確性是本系統中提高穩精度和跟蹤精度要重點解決的問題,針對這一問題,提出了在環採用變增益的串聯高階校正計控制器和利用h _混合靈敏度方法進行控制器計的方法,詳細討論了加權函數選擇的問題。
  19. The system makes up of two parts : subordinate part is the measure instrument, it also is principal part ' s data collection equipment, it makes use of microcontroller ' s advantage, it intelligentizes the management and data collection circuit, it has liquid crystal display and 4x4 keyboard, it can work alone on the field, so it is very convenient and ensures the credibility of data sampling ; principal part is virtual instrument software on personal computer, the software can be installed in notebook pc and work with subordinate part on the field, it extends the subordinate part ' s function, the teachers also can use it as demo teaching

    系統的計借鑒了主從式虛擬儀器計的思想,系統由主機和從機兩部分組成:從機部分即為光合、蒸騰儀,也是主機的數據採集器,它利用單片機功能全面的優勢,使調理電路和數據採集電路智能化,它配備lcd顯示器和4 4鍵盤,可以獨立野外測量,從而使虛擬儀器在保證數據采樣可靠的前提下,更加方便實用;主機就是pc機的虛擬儀器軟體,既可以安裝在筆記本電腦上,與從機組成便攜式儀器系統進行實地測量、處理數據,擴展從機功能,又可以作教學演示。
  20. The level of the nurse s training increased the likelihood that he she misunderstood the iv pump controls, which led to missing steps in the programmin of the dose and rate

    護士所受的訓練程度,增加她誤解輸液幫浦控制方式的可能性,於是造成劑量和速率設定步驟的錯誤。
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