阻抗向量 的英文怎麼說
中文拼音 [zǔkàngxiàngliáng]
阻抗向量
英文
vector impedance-
Variation ratio of dimensional after water rinse, ultimate strength, neps and pile, tearing resistance, bursting strength, joint strength, commissure ' s swerve strength, fabric shift ( slip ), ventilate degree, elasticity ( resilient rate / deformation rate ), anti - water permeability ( hydrostatic pressure ), extension and resilience, abrasive resistance, gets wet the nature, hydroscopicity, stock ' s transverse ductility, fire resistance, antistatic
水洗尺寸變化率(縮水) ,斷裂強力,起毛起球,撕破強力,彈子頂破強力,脹破強度接縫強力,縫口脫開程度,紗線滑移性能(滑脫) ,透氣量,彈性(回復率/變形率) ,抗滲水性(靜水壓) ,延伸及回復性,耐磨性,沾水性,吸水性,襪子橫向延伸,阻燃性能,抗靜電。The polyester fibre of resisting bacterium is one without which people can t live in modern times, but how to restrain the bacterium propagating excessively and keep people in health is a most important goal that fabrics and clothing industry are striving for. fibre of resisting bacterium can kill the bacterium effectively with the ratio of more than 99 % and it can restrain microbes. the polyester fibre of resisting ultraviolet radiation is also widely used. with the decreasing of ozonospheres in the atmosphere, there are more ultraviolet radiation in the sunlight which do harm to our skin, especially for those men working outdoors, it is more important to think about the way to lessen the harm. the polyester of burning - resisting has attracted more attention at home and abroad and burning - resisting textiles has been advanced definitely by law in many countries. our nation has also made strict claims in some special areas, such as fabrics in vehiciles and vessels, decorative fabrics in hotels. the everlasting burning - resisting fibres and textiles are badly needed. infrared ray fibre is also a new functional one that can absorb and reflect infrared ray after being processed physically. it s functions include physical therapy wet - ejecting and bacterium - restraining. this warm - preserving material can absorb the emitting heat from our bodies, at the same time it can also absorb and reflect the needed 4 - 14 urn wavelength ultraviolet radiation and accelerate netaboiism. fibre of resisting infrared ray is important in military areas
抗菌纖維具有永久的抗菌性,對金黃色葡萄球菌、大腸桿菌殺菌率大於99 ,能有效抑制細菌繁殖,起到抗菌防臭作用;抗紫外線聚酯纖維的用途也是異常廣泛的,隨著大氣層中臭氧層的日漸稀薄,日光中的紫外線日益增加,對人體皮膚形成極大危害,尤其對于長期從事野外工作的人,因此設法減少紫外線對人體的傷害顯得尤為重要;阻燃聚酯纖維則是一種倍受國內外人士密切關注的纖維,紡織品阻燃在許多國家已有明確法令規定,我國也逐漸在某些特殊使用范圍做嚴格要求,如車船內用紡織品,高級賓館的內裝飾織物等,而且具持久性阻燃性的纖維和織物是現在更為需要的,真可謂用途非常廣泛;遠紅外纖維也是一種經過物理改性后具有吸收並反射遠紅外線的新型功能性纖維,是一種具有優良理療功能、熱效應功能和排濕透氣抑菌功能的新型紡織材料及保溫材料,能吸收人體自身向外散發的熱量,吸收並反射回人體最需要的4 14 m波長的遠紅外線,促進人體的新陳代謝;抗紅外線纖維,則在軍事上有著重要的作用。Abstract : according to the continuative condition of the tangential fields on the slot aperture which is the inclined narrow - slot on the broadwall of a sectoral waveguide, the moment method is used to calculate the magnetic current coefficient and distribution. then the scattering field, the scattering parameter and the equivalent impedance are obtained. leting only the te11 dominant mode propagates in the waveguide, the scattering parameters and the normalized equivalent series impedance in the x - band are computed. the basis disigned the slot antenna and the slot array is offered
文摘:根據縫隙口面切向場的連續條件,採用解析數值法矩量法,對扇面波導寬壁上窄的斜縫進行了計算,解得了磁流系數及其分佈,並得到散射場、等效散射參量及等效阻抗等重要參數.假定波導中僅有te11主模傳輸,在x波段計算了散射參量和歸一化等效串聯阻抗,給出計算結果,為縫隙天線和縫隙陣列設計提供了依據The best contemporary designs all share a good ratio of conductor resistance to cable capacitance, conductor inductance to cable capacitance and low electro - mechanical resonance
最佳的當代導線設計都朝向低電阻抗,包含電容與電感抗與盡量少的電機諧震。The pt secondary loop voltage drop is a changing amount and has the characteristics of indirection and certain randomness. the second, according to the cause of pt secondary loop voltage drop, the different methods to reduce the pt secondary loop voltage drop were analyzed and the conclusions are draw as below : 1. changing bigger section wire and maintaining the connector plugs regularly can reduce the pt secondary loop voltage drop effectively, but ca n ' t guarantee which meets the relevant rules
首先,通過對電壓互感器二次壓降的形成機理進行分析,得出以下關於二次壓降的相關結論: 1 、電壓互感器二次壓降等於二次迴路阻抗和迴路電流的乘積; 2 、電壓互感器二次迴路阻抗分為元器件自身阻抗和接觸阻抗兩部分,且接觸阻抗佔主要部分,從而使得電壓互感器二次迴路阻抗具有動態特性,而且具有一定的隨機性; 3 、電壓互感器二次迴路電流與二次負荷和迴路阻抗大小相關,因而二次迴路電流也是變化的; 4 、電壓互感器二次壓降是一個變化量,且具有單向性和一定的隨機性。Besides, eigenvalue analysis is used in sound - impedance matrix. with the help of optimization theory, the conclusion is received that the radiation efficiences by a group of velocity distribution corresponding to eigenvector are proportional to the eigenvalue of the velocity vectors
並對阻抗矩陣進行了特徵值分析,從理論上說明了特徵向量對應的一組速度分佈,其輻射效率正比于該階特徵向量對應的特徵值。In this paper the shortcomings of the constant impedance control method has been analyzed, in accordance with efa system " s characteristics, requests of design and developing direction of efa control system an intelligent control method has been proposed. based neural network the model of the efa is established, which can pre - estimate the echo of control variable of efa. by analyzing the result of pre - estimate the control variable can then be adjusted in real time
本文分析了電弧爐恆阻抗控制存在的不足,在此基礎上針對系統的特點和控制要求,參考國內外電弧爐控制的研究發展方向,提出了一種基於神經網路的電弧爐控制方法,即利用神經網路建立電弧爐模型,並對系統的響應進行預估,將對預估值和期望值進行比較計算並對實際控制量進行校正。Firstly, object - oriented programming method and relation database technology are used to realize protective information management, with a multiple tires " client / server architecture. using it, the technical staffs can check all kinds of reports, fault waves and setting values of protection. secondly, based on protective principles of ta21 series protection devices, protective function is simulated by using object - oriented technology
首先,本文將面向對象方法和關系數據庫技術結合起來,採用psmis的多層客戶?服務器體系結構實現對保護信息的管理,以便供電段技術人員查看保護裝置的整定值、各種報告、故障錄波(系統不僅能顯示波形,還能動態顯示波形每一點的峰值、有效值、相位,甚至阻抗值及阻抗角、諧波含量等) 。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。First1y, in this paper, the testes about tensi1e resistance of masonry components in different period are processed and re1ated suppositions and formu1as are brought forward : the formu1a about maxima1 shear stress of top side in high or tier masonry bui1dings is deduced. it can be found easi1y that the factors affect ing the maxima1 shear stress are vertica1 resi stance coefficient 1oad magnitude wa11 geometry dimensions and its modu1us of e1asticity
首先,進行了不同齡期下的砌體試件抗壓力學性能試驗,提出了相關的假定和公式,推導出了縱橫墻荷載差影響下的多、高層砌體結構房屋頂層的最大剪應力公式,從中可以看出影響最大剪應力的因素有豎向阻力系數、荷載大小、墻體的幾何尺寸和墻體的彈性模量等。Based on approximating the impedance in terms of a ratio of polynomials in the transform variables, the corresponding hoibcs were given. adopting the spectral method, the one and two dimensional hotibc were derived for single anisotropic and multilayer complex material coated planar structures. hotibc ' s accuracy was improved after optimal method was introduced in the procession
主要研究工作包括以下幾個方面: 1 、建立單層、多層任意介質塗敷平面和一維曲面結構的譜域高階張量阻抗邊界條件理論; 2 、依據各向異性介質內部場的傳播特性,採用譜域法建立單層各向異性介質和多層復雜介質塗敷結構的一維和二維高階張量阻抗邊界條件。The input impedance and pattern of koch fractal monopole and tree - like monopole are analyzed. both experimental and numerical results show that the two kinds of antennas both have the characteristics of reduction in size and the tree - like fractal monopole also has multiband behavior
文中對koch分形單極子和樹狀分形單極子的輸入阻抗特性和方向圖特性進行了分析,數值結果和測量數據都表明這兩種分形天線具有尺寸縮減性,而且樹狀分形單極子還具有多波段特性。The method of moments is used to analyze and calculate the broadband characters of impedance, voltage satanding wave ratio ( vswr ), gain and radiation pattern of larger angle lpda, and the relation between these characters and the parameter of antenna construction is discussed in this paper. based on analysis and calculation, the antenna is designed and tested, and the measured results are in good agreement with the theoretical calculation
本文採用矩量法分析和計算了對數周期天線在張角較大時,它的阻抗、電壓駐波比、增益及方向圖的寬帶特性,討論了這些特性與天線結構參數之間的關系.根據分析和計算,設計並製作天線進行實驗測試,理論計算和測試結果表明,兩者吻合較好2. longitudinal vibration of pile with variable impedance ( variable sections or modulus ) in layered soil undergoing arbitrary load is theoretically investigated
2 、對成層土中變阻抗(變模量或變截面)樁在任意激振力作用下的縱向振動特性進行了研究。The vibration - reduction principle of viscous damper is to consume most portion of the input energy by viscous damping material during the earthquake and wind so as to diminish vibration response of structures and insure structures " safety, and this technique has been becoming one of the main tendency of earthquake - resistant engineering research
粘滯阻尼器的控振原理是通過粘滯阻尼來耗散輸入結構的大部分振動能量,以減少結構的振動反應,保證結構在地震和風荷載作用下的安全;消能減震技術現已成為工程抗震研究的主要發展方向之一。分享友人