集中阻抗 的英文怎麼說

中文拼音 [jízhōngzǔkàng]
集中阻抗 英文
concentrated impedance
  • 集 : gatherassemblecollect
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 抗 : Ⅰ動詞1 （抵抗; 抵擋） resist; combat; fight 2 （拒絕; 抗拒） refuse; defy 3 （對等） contend with...
  • 集中 : concentratecentralizefocusamassgroupmassingput togather
  • 阻抗 : [電學] impedance
  1. The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed

    較好地解決多阻尼比反應譜擬合問題；本文方法通過一次運行就能獲得一組具有集系特性的地震動，在擬合多阻尼比反應譜的人造地震波集系的模擬方面有傳統方法所不能比擬的優勢，產生的人造波或人造波集系可滿足工程抗震設計需要；在遺傳演算法中，交叉概率和變異概率是影響收斂速度的重要參數，本文採用的改進自適應交叉概率和變異概率，可以根據當前樣本的好壞程度來自動地選擇適當的交叉概率和變異概率，以保證演算法始終以較好的速度向pareto最優解集逼近。
  2. In the past thirty years, digital protection is very popular in the electric power system and come to replace the usual protective devices gradually, for its hardware ' s high integration, resisting interference and software ' s high intellection, easy operation and memory

    在30年來的發展過程中，微機保護以其硬體的高集成度、抗干擾性和軟體的強大智能作用、強有力的運算能力和記憶功能，而形成一股取代各類常規保護不可阻擋的趨勢，成為電力系統的首選保護。
  3. And the results of calculation and numerical simulation indicate, without increasing the intrinsic collector - junction area of power devices, collector - combed structure helps to raise the intrinsic heat - dissipating area and base ' s perimeter, improve heat - dissipating method of each cell of the chip, enhance the distribution uniformity of junction temperature and current of each cell of the chip, reduce the thermal resistance and raise the dissipation power pd and output power p0, fairly well relax the contradiction among frequency, out - put power and dissipation power of the devices, and further improve the devices " property against second breakdown

    而計算分析和二維數值模擬分析結果表明：梳狀集電結（基區）結構在不增加器件本徵集電結面積的條件下，增大了器件的本徵散熱面積和基區周長，改進了每個子器件單元內的散熱方式，提高了單元內結溫和電流分佈的均勻性，降低了器件的熱阻，增大了器件的耗散功率和輸出功率，較好地緩解了目前傳統結構中頻率與功率、功耗的矛盾，並有利於改善器件抗二次擊穿的性能。
  4. For bus system installation, the focus is put on cable selection principle, installation process and antinoise measure ; for security protection equipment installation, the intrinsic safety concept, installation method equipment selection and installation under two electric power supply modes ( entity concept and fisco model ) and the bus system protection against surge voltage are illustrated ; for network component installation, the selecting, installing and integrating methods of general purpose terminators, repeaters, link equipment, bus power supply and impedance module are described

    在總線電纜的安裝方面，著重討論了電纜的選型原則、安裝方法和抗噪防擾措施；在安全保護設備安裝方面，介紹了總線系統中本質安全的概念、安裝方法、兩種供電方式（實體概念和fisco模型）下設備的選擇與安裝以及總線系統浪涌電壓的保護和設備安裝方法；在網路元件的安裝方面，主要列舉了通用終端器、中繼器、鏈路設備、總線電源及其阻抗模塊等的選擇、安裝和集成方法，為總線系統的安裝提供了可以借鑒的實用經驗。
  5. The paper mainly consists of three parts : the theoretical parts include the summarization of meridian research, and the research about the characteristic of low impedance on meridian and acupoints. the second part focuses on the design of the testing instrument, which comprises hardware design and software design. detector collects the reflected information which is stimulated by micro - current on meridian and acupoints, then the signals are transacted by micro - controller and meridian arithmetic, finally the health status report is displayed on screen and can be printed

    主要工作分為三個部分，第一部分是經絡研究綜述與經穴皮膚電阻抗特性;第二部分為儀器系統設計，包括硬體設計和軟體設計，實現對採集人體穴位經電流測試（給一定的電流刺激）所反射出來的信息，經微控制器和中醫經穴演算法的處理后，在屏幕上顯示或列印出被測者的健康狀況。
  6. The engendering source of traffic volumes and their general influential factors have been presented, and the situation of nowadays highway transportation has been discussed. according to the introduction of traffic distribution theory and classical assignment method, analysis of traffic flow path selection among cities and that of special influential factors for traffic flow on toll highways, initial analysis to the forming mechanism of traffic volume on road sections has been made, and a probability model for path selection has been set up with the maximum - utility theory and disaggregating model. detailed analysis to impedances on road sections and their functions ( especially to three main composing factors of the impedances as cost of time, transport and toll and to the functional relations with traffic loads ) was made, at the same time, the relative cost calculating model was set up on the basis of the state - of - art achievements in both international and national researches

    主要研究內容包括：交通量的產生根源及一般影響因素分析和當前公路運輸地位討論；從交通分配理論及經典配流方法著手，通過分析城市間交通流路徑選擇行為和收費公路路段交通量特殊影響因素，初步提出路段交通量的形成機理，並採用效用極大原理和非集結模型理論（ disaggregationmodel ） ，建立用戶出行路徑選擇概率模型；對路段阻抗及路阻函數（尤其對行程時間費用、車輛營運費用和道路收費這三個構成路段阻抗的主要因素及其與交通負荷間的函數關系）進行較為詳盡的分析，並以現階段國內外較為先進的研究成果為依據建立相應的成本測算模型，其中，特別提出了兩種確定客貨車輛時間價值的分析方法；離散分析法和時間-費率轉換法，後者是在目前基礎調查、統計數據資料不夠齊全的現實下提出的一種確定道路系統內務車型時間價值的較為實用的新方法；對我國公路收費政策的背景和理論、實踐依據及費率的各種影響因素進行重點分析；從數學的角度證明合理費率的存在性，並以最優化理論為基礎，建立在普通收費公路和擁擠路段交通調控型收費公路兩種模式下合理費率的計算模型等。
  7. Gravity model : the typical inputs include one or more flow matrices, an impedance matrix reflecting the distance, time, or cost of travel between zones, and estimates of future levels of productions and attractions

    重力模型：輸入的基本數據包括一個或多個流量矩陣，反映距離的阻抗矩陣，小區間的出行時間和成本，未來發生和集中預測。
  8. The rails are affected by the skin effect for its large permeability and size. the track time constants are not constant due to the skin effect. for the calculation of the rails impedance, the method of equivalent cylindrical conductor is developed

    由於鐵軌很大的磁導率和截面尺寸，致使其阻抗在電磁暫態過程中受到了集膚效應的影響，從而使得鐵軌的時間常數在暫態過程中並非是一個常數。
  9. The thermal fatigue resistance of al2o3 - 20wt. % tic is the best, it is due to high kic and pore of the material. the pore decrease the stress extension of tip of cracks and delay themal shock fatigue cracks extension. 4

    含20wt . tic的復合陶瓷具有高的k _ （ 1c ）和較多的孔隙，這些空隙在熱震疲勞時降低熱震疲勞裂紋尖端的應力集中並阻礙裂紋擴展從而提高了材料的斷裂抗力，故其具有最好的抗熱疲勞性能。
  10. The first, the effect of the sizes of coupling slots in a coupling double gap cavity on the cavity characteristics is studied through simulation computation of three dimensions electromagnetic field and analysis of equivalent lumped element circuit. it is concluded by the research that, in lower frequency band, bigger coupling slots in a coupling double gap cavity are beneficial to raising the characteristic impedance and lowering the frequency of it mode

    第一，採用三維電磁場模擬計算方法和集中元件等效電路法研究了耦合雙間隙腔中耦合槽尺寸對諧振腔性能如何影響等問題，得出了重要結論：在較低頻率波段，耦合雙間隙腔中開大耦合槽有利於提高模的特性阻抗，降低模頻率。
  11. The research and development for the bump orbit injection system with four kicker magnets centralized in nsrl phase project, and research of some key techniques were summarized, including micro - second pulse ferrite kicker magnet, coated ceramic chamber, measurement device for loss impedance, bpm calibration system, etc

    摘要介紹了國家同步輻射實驗室二期工程改造中四沖擊磁鐵集中布局凸軌注入系統研發過程，以及對若干關鍵技術的攻關，包括微秒脈沖鐵氧體沖擊磁鐵研製，鍍膜陶瓷真空盒研製，縱向阻抗測量裝置研製， bpm標定裝置研製等。
  12. Comparison of several lumped - parameter models to simulate the input impedance in systemic circulation

    心血管系統體循環輸入阻抗的幾種集中參數模型的比較和應用
分享友人
分享到 Line

分享到臉書