相移流量計 的英文怎麼說

中文拼音 [xiāngyíliúliángjì]
相移流量計 英文
phase shift flowmeter
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 移 : Ⅰ動詞1. （移動） move; remove; shift 2. （改變; 變動） change; alter Ⅱ名詞（姓氏） a surname
  • 流 : 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...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 計 : 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...
  • 流量 : rate of flow; flow; runoff; discharge; throughput; （flow） rate; quantity （of flow）; flux
  1. In this paper, using phoenics software to compute and analyze the variety rule of the convecting transfer heat at the basis of computing and analyzing the temperature and velocity field of one underfloor supply air room with a focus hot source, and concluding that the number of the hot source and the supply air outlet > the intensity of the hot source and the volume of supply air will influence convecting transfer heat, and obtained its correlativity formula

    本文針對一下部有集中熱源的地板送風空調小室，利用phoenics軟體，在計算分析小室內氣流的速度場及溫度場的基礎上，對對流熱轉移量的變化規律做了計算分析，最後得出對于下送風小室的對流熱轉移量與熱源的個數、送風口個數、熱源強度、送風量等因素有關，並且得出了其相關關系式。
  2. Several semi - active control algorithms used in the semi - active suspension system with mr dampers are proposed and developed including the " on - off " voltage controller, the continuously linear variable voltage controller, the modulated continuously linear variable voltage controller based on " sky - hook " damping concept and the hybrid controller based on the combination of " sky - hook " damping concept and " ground - hook " damping concept and the fuzzy logic controllers using measurements of the relative displacement between the sprung and unsprung mass or the absolute acceleration of the sprung mass as the input variables of fuzzy logic controllers. the simulation models were prepared in matlab ? simulink ? fuzzy toolbox programs. the experiment setup of the semi - active suspension system with mr dampers in the lab has been designed and developed

    根據磁流變阻尼器特性和對懸架系統動力學特性的規律性研究，為磁流變阻尼器設計了基於「天棚」阻尼控制概念的「 on - off 」 、線性連續和修正的線性連續控制策略，基於「地棚」阻尼控制概念的磁流變阻尼線性連續控制策略， 「天棚」阻尼和「地棚」阻尼控制概念線性組合起來的磁流變阻尼混合控制策略，根據模糊控制原理設計了以簧載質量和非簧載質量間相對位移或簧載質量加速度分別作為輸入變量的模糊邏輯控制器用於磁流變阻尼半主動懸架的智能控制。
  3. Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo

    本文首先對數字減影血管造影（ dsa ）成像系統的組成結構和數據流向進行了深入研究和分析，並對系統中的數據流向進行了完整的歸納和總結，給出了x線數字成像系統中的高速大容量數據通道的設計方案；在對sdram的控制方式做了深入探討后，給出了實現大容量多條sdram共同工作的解決方案，在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲；通過對pci總線介面的深入研究，優化後端狀態機設計和低層驅動程序開發，給出了完整的pci介面方案實現高速dma數據傳輸，完全可以滿足視頻傳輸要求；深入研究了基於大規模可編程器件的數字系統設計方法，針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點，提出了利用fpga中的鎖相環提供多個時鐘相移的信號來提高系統穩定性的解決方案，從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。
  4. Then pid flow rate control algorithm is introduced. all experiments made in this chapter are about measuring the valve parameters according to spool positions, single actuator flow rate control by the calculated flow rate feedback control method, free flow rate dividing control under the sufficient pump discharge flow rate situation, proportion flow rate dividing and flow rate dividing based on meter - in flow rate feedback control method under insufficient pump discharge flow rate situation. the results of all experiments proved that the method presented in this thesis is an effective way to overcome the unreasonable flow rate dividing when simultaneously operating multi - actuators with different inertia loads

    第四章介紹了多執行器復合控制實驗系統和實驗方法；介紹了實驗採用的流量控制的pid演算法；並測定了執行器控制閥和閥芯位移相關的系數；做了單個執行器計算流量反饋流量控制、流量足夠情況下多執行器流量任意分配、流量不足情況下多執行器按比例調節流量分配和多執行器進油側流量反饋分流控制實驗；通過實驗說明了論文提出的分流控制方法能實現大小慣性負載復合操作時的合理分流。
  5. Taking load uncertainties, infeasibility problem and multiple objection of the reactive power optimization in the radial distribution system into consideration, loads are modeled as fuzzy interval numbers. fuzzy power flow is proposed based on fuzzy interval load for the more practical membership function of line losses rate and maximal voltages offset. this thesis presents multiple objection model of the reactive power optimization considering uncertainties using the fuzzy set theory

    對配電網電壓無功優化問題中負荷的非概率性的不確定性問題、多目標問題、約束不可行性問題進行了研究，用模糊區間來描述實際的負荷情況，並用負荷的模糊區間值計算配電網的潮流，得到有功功率損耗和電壓的模糊區間值，使網損率和節點電壓最大偏移量的隸屬函數更接近實際情況；將改進遺傳演算法與模糊集理論相結合，通過求解多目標函數和約束條件的模糊集合的交集，得出網損率和節點電壓最大偏移量最小的最優運行狀態。
  6. In this paper, research and manufacture work on high efficiency high power density high - voltage high - power dc power is undertaken on the basis of basic theories and past production. by inquisition the basic theory and project of sreies - parallel resonant converter witch is a soft - switch converter was selected to outspread research and design work

    本文是在吸收前人研究成果的基礎上，理論聯系實際，針對高效、高功率密度、高壓大功率直流電源展開的研製工作。在經過大量的實際調研工作的基礎上，選擇了一種軟開關變換器（移相控制的串-並聯諧振變換器）的技術方案，並圍繞該方案展開理論研究和實際的設計工作。
  7. Now, with the rapid development of computer and electronics, there have been a great progress in the field of input / output device technology. among this field, pci has been a current standard interface of pc. and in order to accommodate the development of operating system, wdm has been a driver model adopted by industry generally. at the same time, in the respect of sensor ’ s application, a high precision and high integrated incremental rotary encoder has been an outstanding one among the displacement sensors. meanwhile, eda technology and cpld / fpga chip applied in the signal processing circuit are approved by a great number of engineers who are engaged in designing the electronic device

    目前，隨著計算機技術和電子技術的飛速發展， i / o設備介面控制技術領域有了長足進步。其中， pci介面成為主流的微機標準介面，而與操作系統平臺的發展相適應， wdm已成為業界普遍採用的驅動程序模式;同時，在傳感器應用方面，高精度、高集成的增量式旋轉編碼器已是位移型傳感器中的佼佼者，而eda技術和cpld / fpga器件在信號處理電路中的應用被廣大電子設計人員所認可。
  8. The contents of this paper include the following several aspects : ( 1 ) a model of the fractures leakage is built through counting and analyzing the wealthy geological records of hae field, and a model of the fracture water transporting is also built according to the fracture water condition of its recharge and its runoff and its discharge in hae field ; ( 2 ) this paper studies the chemical behavior and the migration parameters of the elenent sr2 + in ground water in hae field, the main contents include : the presence form of the element sr in ground water is analyzed by way of the rmodynamics ; the absorption mechanism that granite and sand stone absorbs sr element is analyzed based on theory and experiment test the diffusion parameters of the element sr in water and in granite and in sand stone are researched with laboratory experiment test ; the partition coefficient of sand stone and granite to sr is tested by the batch way

    其研究內容包括以下幾個方面： （ 1 ）通過對我國hae預選處置場豐富地質資料的大量統計和分析，建立了該處置場的基巖裂隙滲透模型。再根據hae預選處置場基巖裂隙水的補給、徑流、排泄條件及水位動態特徵，建立了預選處置場基巖裂隙水水運動模型。 （ 2 ）對高毒性鍶元素在我國hae預選處置場地下水中的化學行為和遷移參數進行系統的研究，其中主要包括運用熱力學方法分析了鍶元素在地下水中的存在形態，利用理論分析與實驗測試相結合的方法分析了花崗巖和砂巖對核素鍶的吸附機制，採用室內實驗裝置研究了核素鍶在地下水中的擴散參數以及在花崗巖和砂巖中的本徵擴散參數，採用靜態批式法研究了鍶在砂巖和花崗巖中的分配系數。
  9. The main contributions of this dissertation are as follows : 1 ) forms a scheme of network maintance as well as realiztion of the problem testing software after a thorough analysis of the regular network problems and a pertinent comment on the merits and demerits of the network detection and maintainance methodology. 2 ) presents approaches to the realization of principles of network health testing, network resources list and connectivity testing in the network problem testing software, and gives a in - depth analysis of the key issues in design process with vivid flow charts and convincing testing results. 3 ) ponits out possible problems and offers feasible solutions in the migration and development of the embedded software from six aspects, touching upon byte order, semaphore, coding optimization, etc. 4 ) discusses the exception handling mechanisms and debugging process for the sake of improving software robustness

    本文的主要工作如下: 1 ）研究了以太網常見故障並對網路探測維護方式的優缺點進行了詳盡分析，根據項目要求確定了本系統的網路維護方案，並對故障測試軟體的總體實現方案進行了設計; 2 ）闡明了網路故障測試軟體中網路健康測試、網路資源列表、連通性測試的原理，提出了相應的實現方案，分析了設計過程中的關鍵問題，並給出軟體流程圖和測試結果; 3 ）從位元組序、信號量、代碼優化等六個方面談論了嵌入式軟體在移植開發中的注意事項; 4 ）為提高軟體的健壯性，討論了本嵌入式系統軟體採用的異常處理機制以及軟體調試過程中的。
  10. At the same time, the method of disposal phase shift of ct by compensation is introduced. then the analysis and statistic of electrical power quality, the control scheme and compensating amount of capacitor for reactive power compensation are analyzed respectively. and in the paper, the control with a / y and the switch with ac contactor and solid state switch is valid measure not only for improving operate level economically and amending electrical power quality but also for avoiding of replacing switch frequently and decrease economic loss

    然後對現有的演算法進行了詳細的分析、比較，篩選出既能滿足硬體要求又可降低投資、保證精度、簡化軟體的方案，確定了準同步采樣的方案，並通過對準同步采樣誤差的分析，提出了一種從45開始采樣，從而提高精度的采樣數據處理辦法，同時，對于電流互感器相位漂移提出了一種補償辦法，接著對裝置中電能質量分析與統計以及無功補償中電容器的補償量、投切原則也作了相應分析，其中對于無功補償採用y混合接線，並利用交流接觸器和固態開關共同投切電容，不但提高了經濟運行水平、改善了電能質量，而且有效的避免了頻繁更換開關，減少了經濟損失；最後，設計了裝置的硬體電路並繪制了相應的軟體流程圖。
  11. However, in current design flow, designers do not consider whether designs are friendly to opc before they are sent to foundries. in fact, a lot of features in such designs can not be corrected enough because of many factors such as the constraints of environments. so even though such designs are corrected, many lithographic errors still exist

    然而，由於在當前的集成電路設計流中，在設計出的版圖送到製造廠商前，電路的設計者並沒有考慮版圖對光學鄰近校正和交替移相掩模的友好性問題，這使得版圖中的一些圖形由於周圍條件的限制，如無法充分進行光學鄰近校正，無法進行交替移相掩模的處理等，從而使得版圖設計即使進行了校正處理，還存在大量光刻故障的可能性。
  12. The approach is that we first calibrate the filter radiometer with cryogenic radiometer and measurement equipment of relative spectral responsivity and then calculate the absolute spectral responsivity. because the drift in blackbody temperature directly influnces measurement accuracy, so we adopt a feedback system to stabilize blackbody temperature through controlling the current of blackbody that improves measurement accuracy greatly

    該方法首先要用低溫輻射計及相對光譜響應度測量裝置對濾光輻射計進行標定，經計算可得到濾光輻射計的絕對光譜響應度；由於黑體溫度的漂移直接影響到測量精度，我們採用反饋系統通過控制黑體的加熱電流，來穩定黑體溫度。
  13. Based on the characteristics of the membrane structures, wind - induced nonlinear coupling dynamic response analysis which can be applied to closed membrane structures is developed and the added air mass the pneumatic stiffness and the acoustical damping of the closed membrane structures are deduced. applying the method to an aeroelastic model of wind tunnel test, the displacement the velocity and the acceleration of corresponding prototype structure in time domain are obtained

    本文針對封閉式薄膜結構和敞開式薄膜結構推導了全新的非線性流固耦合風振響應公式，其中耦合因素包括附加空氣質量、氣承剛度和聲致阻尼以及相對運動速度，並將此理論應用於一氣彈模型的計算，獲得了位移、速度、加速度時程以及加速度均方根。
  14. The model of fpsa ( inter - phase slip algorithm ) provided in phofvmcs, the software used in computational fluid dynamics, which solves the navier - stokes equations of each phase with the interphase interactions between two phase of water and air, including the interphase drag forces, interphase lift forces, interphase pressure and virtual mass forces, is employed with the difference scheme of upwind and the orthonormal grid

    計算採用由phoenics （計算流體力學軟體）的ipsa （相間滑移演算法）模型，應用upwind （迎風）格式和直角坐標網格。 ipsa模型對每一相求解n - s方程，並考慮水-氣體兩相間的相間互互作用，包括相間阻力、相間升力、相間壓力和虛質量力。
  15. The calculation and measurement methods for voltage, turns and phase - shifting angle of winding with extended delta connection in 24 pulse traction rectifier transformer are introduced

    摘要介紹了24脈波牽引整流變壓器延邊三角形聯結的網側繞組的電壓，匝數及移相角的計算和測量方法。
  16. A sensing magnetic field and displacement type of giant magneostrictive microdisplacement actuator with the functional of sensing driving magnetic field and microdisplacement is developed, and the design theories and approaches being applicable this type of microdisplacement actuator are pointed out : a circular diaphragm type of flexible construction that acts as integration mechanism of microdisplacement transferring and sensing of giant magnetostrictive microdisplacement actuator is adopted, sheet flexure theory of elasticity mechanics and approach of finite element are applied to design and calculate it, corresponding deflection and analytic formula and distribution curve of stress are given, and the specific achieving approaches of measuring principle and magnetic field sensing function of driving field in giant magnetostricitive rod are pointed out the magnetic field sensing function of the actuator is used to practically measure driving magnetic field of actuator and to obtain the relationship of driving magnetic field and coil current, which is also analyzed and studied

    其中，採用圓形膜片式柔性結構作為超磁致伸縮微位移執行器的微位移傳遞、感知一體化機構，應用彈性力學中的薄板彎曲理論、有限元方法對其進行了設計、計算，並給出了相應的撓度和應力解析式及分佈曲線；應用電磁理論給出了超磁致伸縮棒內驅動磁場的測量原理及磁場感知功能的具體實現方法，並利用執行器的磁場感知功能對其驅動磁場進行了實際測量，得出了驅動磁場與線圈電流之間的關系，並對其進行了分析和研究；對執行器內部的電磁路和偏置磁路結構進行了設計計算與實驗研究，為了減小驅動線圈的發熱，對其形狀進行了優化設計。
  17. The influence of illumination conditions on the detector and temperature in sample cell was investigated. and a method of calibrating laser trap stiffness using brownian motion in the condition of low sampling frequency was studied. furthermore, in order to study the mechanisms of polymerizaton and depolymerization of tubulin under different conditions such as ph, temperature, and biological factor, a flow sample cell with temperature - control system was designed and fabricated

    在本課題研究中，一方面，我們建立和完善了一套國內領先的可以進行納米量級位移及pn量級力測量的光鑷系統，對光鑷系統本身的一些相關技術做了進一步的研究，提出了在低頻響條件下用布朗運動測量光阱剛度的方法，研究了光鑷系統中照明條件對樣品池中溫度及四象限測量系統的影響，並設計製作了用於微管實驗的流動樣品池，實現了對池內溫度的控制。
  18. With the wanbolin district in taiyuan city as the basic area of the study, this dissertation studies on the disciplinarian of the change of cultivated land, applying gis techniques and statistical method. as findings show that under the temptation of urbanization and industrialization, the use conversion of the cultivated land in wanbolin district has its own dynamic characters since 1990 : the quantity of cultivated land has been keeping diminishing ; while construction using and gardening is the main way of the cultivated land use transform ; the land fragmentation degree of landscape is decreasing ; the center of gravity of cultivated land distributing is keeping moving towards the outfield of the urban fringe

    本文選取太原市萬柏林區進行實例研究，以統計方法結合gis技術對研究區域耕地轉化的變化規律進行分析，結果顯示出在城市化和工業化的不斷沖擊下， 1990年後萬柏林區的耕地轉化呈現出：耕地數量持續下降、以城市建設用地和精細園藝用地為主要流轉方向、耕地相對變化率由靠近市區的城鄉結合部內側向外圍逐漸下降、耕地的景觀破碎度降低、耕地分佈重心不斷向城鄉結合部外側偏移等重要動態特徵。
  19. However these converters become more complicate. phase - shift zvs technique has been used in bidirectional dc / dc converters since it can realize zvs for all switches without auxiliary switches. however when the amplitude of input voltage is not matched with that of output voltage, the current stresses and rms currents of the converters become higher, in addition the converters can not achieve zvs under light - load condition

    諧振、準諧振或多諧振技術方案，變換器的電壓電流應力較高，變頻控制增加了濾波器設計的難度；能量緩沖吸收電路或有源鉗位電路方案，由於需要增加多個額外輔助元件，增加了變換器的復雜性；全橋相移技術方案，由於主電路無需增加額外元件，只需利用相移控制，即可實現軟開關，因此引起關注。
  20. In order to design strained - si mosfets more efficiently, it is necessary to thoroughly analysis the mechanism behind mobility enhancement and thus establish related model to clarify the relationship between mobility and strain

    為了更有效的設計、應用應變硅mosfet ，必須深入研究應變硅中載流子的遷移率增強機理，並在此基礎上建立相應的物理模型，導出應力強度與遷移率的定量關系。
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