設計流速 的英文怎麼說

中文拼音 [shèliú]
設計流速 英文
design current velocity
  • : 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...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • 設計 : devise; project; plan; design; excogitation; layout; layout work; styling
  • 流速 : [機械工程] velocity of flow; strength; [水文] current velocity; current speed; flow rate流速管 pi...
  1. This paper analyzes the groundwater discharging course using fluidics theory and combining quay structure construction ; sets up the method of fast drainage by the dint of pipeline and blind ditch of fragment stone ; and gives the computational mathematical model for quay drainage and calculation formula for drainage process according to the principle of conservation of mass and underground percolation, which have been applied for quay ' s stability design and calculation

    應用體力學理論結合碼頭結構建,分析了地下水排泄過程,藉助管道和碎塊石盲溝建立了港口碼頭快排水與擋墻基床排水的方法;運用質量守恆定律和地下水滲原理,建立了港口碼頭排水算數學模型和排水過程算公式,並用在了碼頭的穩定算中。
  2. 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、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。
  3. First, it is compressible and cushiony ; second, it can be transported to a long distance with a little power loss ; the last, its flux and velocity of flow are quite high, so the reaction time of the operators can been considerably shortened. aiming to solve the problems of vibrating machinery such as short life - span, poor cushion and high energy consumption, the writer, on the basis of characteristic of pneumatic mentioned, contrives a set of valve controlled pneumatic vibrator, which has larger output vibrating force and longer life - span with simple structure. then, it is applied to drive a vibrating screen and the result is fairly well

    文中針對氣動技術本身的特性及優點,如:可壓縮,具有緩沖性;能耗損失小,便於遠距離輸送;量大、高,執行元件響應度快等,以解決振動機械在應用過程中的緩沖、能耗以及使用壽命等問題為目的,出一套輸出激振力大、結構簡單、使用可靠的閥控氣動激振器,並將其成功地運用到振動篩上,取得了較好的效果。
  4. The additional flow is formed by the device of dentoid baffle, and the application of the device of dentoid baffle cooperated with a stilling basin has been investigated by systematic model tests. based on the research results, the hydraulic problems such as the characteristics of hydrodynamic pressure and cavitation on the head of the denotid baffle, the properties of flow under the condition that the device of denotid baffle is used with a stilling basin, the hydraulic computation about a stilling basin, the estimation of energy dissipation and its various affection factors, the mechanism and effect of energy dissipation, and distributions of velocity and pressure and aerating concentration, etc, have been analyzed ; the method and step of hydraulic design of device of denotid baffle by which the additional flow is produced has also been proposed

    文中利用齒墩施實現附加射,對齒墩施與消力池聯合應用進行了大量的和系統的模型試驗,分析研究了中低佛勞德數條件下,齒墩墩頭的動水壓強及空化特性,齒墩施與消力池聯合應用時的態特性,消力池的水力算,消能量的估算及其各種影響因素,消能機理和效果,消力池內的、壓強特性,摻氣濃度分佈等水力學問題,並提出了實現附加射齒墩施的水力方法和步驟。
  5. This paper presents the method of design and parameter optimizing in a phase - locked controller, which is used in high - speed brushless direct current motor ( bldcm ) speed control

    摘要提出一種用於高無刷直電動機鎖相度控制器和參數優化方法。
  6. By using both the prediction model from transportation ministry and the fhwa models, the prediction results were analyzed for high ways at different sections, different design speeds, detection points, traffic volumes, distances, heights, and at various other road conditions. the prediction results and the actual results were compared and the accuracy of prediction were assessed

    本文通過比較分析了fhwa預測模式和交通部預測模式在高公路不同監測路段、、測點、車量、距離、高差、地面狀況條件下的預測結果,並對預測結果和實測結果進行預測精度和變化趨勢的比較研究。
  7. On one hand, the focal point that the interface circuit is designed lies in lining up the arrangement of the aerial data, have adopted one pair of ports ram to cooperate with the counter and realize the lining up of the data, on the other hand, interface focal point that circuit design transmission of data, part this finish mainly and interface of linkport of dsp, make data transmisst to dsp processor at a high speed, go on follow - up punish

    一方面,介面電路的重點在於對天線數據的整理排隊,採用了雙埠ram配合數器實現數據的排隊,另一方面,介面電路的重點是數據的傳輸,這部分主要完成和dsp的linkport的介面,使數據高傳給dsp處理器,進行后續處理。這個項目按照自上而下的程,從系統劃分、編寫代碼、 rtl模擬、綜合、布局布線,到fpga實現。
  8. When catchment area, average channel gradient and catchment shape factor of designed culvert or bridge are known, a user can be convenient to get local parameters c, e and b from standard contour charts and easy to calculate flood flow just by a calculator. design period of flood flow is enormously shortened as well as a high precision. estimated flood flow through culvert or small bridge by new calculation model is generally less than by traditional methods, so that much cost is cut down a s reducing the span of culvert or small bridge

    以75000km ~ 2的川中丘陵地區為試點研究區,繪制了該地區新模型的參數等值線圖,率定了不同頻率的改正系數,使者只需在地形圖上獲取集水面積,河道平均坡降和域形狀系數,在參數等值線圖上查得橋涵所在地的相應參數,使用算器即可迅算出量,大大縮短了周期,且精度較高,的洪水量一般低於傳統方法,從而可減小橋涵跨徑,節省投資。
  9. Abstract : based on thestatic wind force factors of a tower and on the root - mean - square of the buffetingdisplacement responses of the tower top, which are measured by wind tunnel tests inlaminar and turbulent field respectively, the static and buffeting internal forces of thetower bottom control sections under its design wind speed are obtained by linearsuperposition method and fem

    文摘:基於均勻和紊風場中的橋塔模型風洞試驗所測得的橋塔空氣力靜力系數及塔頂抖振響應的位移均方根,採用線性疊加法及有限元法反演,給出下塔底控制截面的順風向靜風及抖振內力。
  10. For high stability of the system, with the realization of hardware of the system, the second part of this paper starts from the transmission line theory, and studies the signal integrity problem of high - speed circuit system in light current. the causes of these signal integrity problems, such as signal delay, reflection, crosstalk, ground bounce noises and etc. are analyzed in theory. combined with actual design, key points of design and standard design flow of general high - speed, high - precision printed circuit board are summarized, which has been applied in actual system, and good effect has been achieved

    為使系統具有較高的穩定性,本文第二部分結合該處理器的硬體實現,從傳輸線理論出發,研究了弱電情況下高電路印刷電路板中的信號完整性問題;從理論上分析了延遲、反射、串擾以及地彈噪聲等信號完整性問題產生的原因;結合實際,總結了一般高、高精度印刷電路板的要點和標準程,並在實際系統中獲得了應用,取得了很好的效果。
  11. We put forward a principle of design multiple field packet classification algorithms base on the analyzing of the basic theory, algorithms structure and flow. now the speed of link is more and more high and the size of rule set is more and more large, it is difficult to design fast multiple field classification algorithms and the design principle is combine or improve the classical algorithms base on the analyzing the distributing law of the actual rule set

    分析上述各種演算法的基本思想、演算法結構及程,本文總結出多域報文分類演算法的原則:針對當前鏈路度不斷提高和規則庫規模不斷擴大的現狀,的多域報文分類演算法已經成為一個技術難點,一般的原則是在分析實際規則庫規則的分佈規律地基礎上對現有的經典演算法進行組合或者優化改進。
  12. And the relation between these velocity was analyzed at last. this is the conclusion : ( 1 ) the distribution of the velocity and concentration are get in the open channel flow and as the sewage flow is gravity flow, the equations is fit for this too. ( 2 ) generally speaking, the self - cleaning velocity should be the starting velocity, and it could fit for the self - cleaning target in limited sense theoretically, but when facing some higher requirement, it is not large enough

    最後結合污水動的最小設計流速與顆粒起動、臨界不淤的關系進行了分析,結論如下: ( 1 )文中所得出的度分佈與濃度分佈是在明渠兩相動情況下推得的,由於污水管道動多為重力,是明渠中的一種,所以文中的分析在認識污水動特性方面具有一定的參考價值。
  13. Human designed engineering system, streamline holder provides a gentle and comfortable massage, relieve muscle tension after strenuous exercise and weariness, with infrared heating system and adjustable vibrations make you comfortable and feel happy everyday

    人體工程學線形手柄,柔和舒適的按摩,消除疲勞,恢復體力,紅外熱療可調振動按摩有效緩解肌肉酸痛,使你天天舒適快樂
  14. 4. through using the concept of logic balance, a high performance telecommunication switch network test chip is accomplished by using xilinx virtex 300e - 6 and the working clock frequency is up to 125mhz. this chip can give an exact test for the network delay time, throughput, network delay time dither, rate of errors and lost data

    4 )結合邏輯平衡的思想,採用xilinxvirtex300e - 6器件,為一家著名的通訊技術有限公司度達125mhz的交換網測試晶元,能夠對交換網的吞吐率,網路延時,網路延時抖動,數據包錯誤率,包丟失率等進行嚴格的測試,並根據當前網路的量大小自動調節網路負載。
  15. Then this paper introduces a quick and effective flow to translate the design structure of asic to that of fpga as well as some related eda tools like quartus ii, certify, synplify pro and amplify physical optimizer

    通過對asic程的研究,論文提出一種快、高效的將asic轉化為fpga程,並且介紹實現此程的相關eda工具( quartus , certify , synplifypro , amplifyphysicaloptimizer ) 。
  16. The existed shortage of highway alignment design based on design speed was analyzed. on this condition, two factors of design speed and operating speed were taken into consideration at the same time and according to operating characteristics of car on road and the demand of alignment design, a new design method and design flow were introduced, which can be used as a reference for a design parameter of highway alignment

    摘要針對目前以度為依據的公路線形方法存在的局限性,將運行度與度同時加以考慮,在此基礎上,根據在公路上汽車的行駛特性和公路線形的要求,提出基於運行度的公路路線方法及程,為公路幾何指標選取和運行方法的應用提供參考。
  17. Through using si analyse in the hardware design of a dtv set top box ( stb ), the main contribution of this paper is to give a series of solutions for si problems according to theoretically analyse and real works. advanced measuring systems have also been shown in the paper. with the help of this paper, the stb system of a world famous corporation has successfully get wide using of ddr sdram

    本文的主要工作是在針對消費類電子( consumerelectronics )領域中的數字電視接收機頂盒進行硬體的過程中,引入信號完整性分析的方法進行高數字電路的,利用理論分析作為指導,通過測量、模擬和實際布板的結果進行驗證,得出一系列針對信號完整性問題的解決方案和程,成功地解決了某世界著名企業的機頂盒系統中ddr存儲器工作頻率無法提高的問題,在新一代的機頂盒產品中廣泛使用ddr存儲器,在很大程度上提高了系統的性能,滿足了市場的需求。
  18. The initial scan of the flow rate in all the valves in the system will determine the % design flow rate ( dfr ) of each valve and consequently a procedure for proportional balancing

    系統內所有閥門的率的最初紀錄將決定每個閥門的%率( dfr )以及隨后的比例平衡程序。
  19. Fifthly, it gives a conclusion to the issue by analyzing from the sampling data, and put forward some new thinking about the current meter design

    第五,從數據採集的運行結果進行分析,對課題的研究進行了總結,並提出了設計流速儀的一些新思想。
  20. Demultiplexer is one of the key electronic components in optic - fiber transmission systems. it normally lies at the end of optic - fiber recerver, which recovery original low - speed signals from a high - speed signal. in this thesis, we discuss the circuit design techniques, the technology of the ic realization and principal of multiplexer and demultiplexer in transmission systems

    分接器是光纖通信網中的關鍵器件。它位於光纖接收機的末端,將接收到的一路高信號重新恢復成多路的低信號。本文簡要介紹了分接器的實現工藝和程,以及復接和分接的原理。
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