比阻抗 的英文怎麼說

中文拼音 [bǐzǔkàng]
比阻抗 英文
specific impedance
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 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...
  • 阻抗 : [電學] impedance
  1. The study is imitating subulate tool penterite armor fabric by method of test for puncture of paperboard and corrugated fiberboard, and to ascertain the laver of armor fabric for absorb energy and arrestment, and any difference angle to compare the rank of defying ball, for understanding the sharp to the rank of annor fabric defy penterite energy, and penterite deep, the lose energy relation of sharp

    摘要本研究是以沖孔強度試驗機測試，模擬尖錐利器攻擊穿刺防彈衣，且對于防彈衣層數間的阻抗作用及能量吸收的情形，並對各種不同角度的抗彈織物疊層排列作相互比較，進而?解尖錐對防彈衣的抗穿透層數之能量及穿透深度、錐度之能量耗損之間關系。
  2. An ideal transformer, voltages are transformed in the direct ratio of turms, currents in the inverse ratio, and impedances in the direct ratio squared ; power and voltamperes are unchanged

    理想變壓器電壓與匝數成正比，電流與匝數成反比，阻抗與匝數平方成正比，功率不變。
  3. Used regulations method calculating, analyzing and comparing the lightning protection performance with field data for the line firstly, . then put forward more reasonable model ( distributing parameter model ) to calculate the surge impedance of tower combining the existing model and validate by emtp, furthermore studied the striking distance factor based on electromagnetism

    首先利用規程法對線路的耐雷性能進行計算、分析，並與現場數據比較；同時結合目前對桿塔波阻抗的研究方法，提出一種更合理的桿塔波阻抗計算模型?桿塔分佈參數模型，並利用emtp進行模擬計算和驗證。
  4. This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer

    用java編程語言編寫的曲線擬合模塊，對輸入的實驗數據進行了最小二乘法的曲線擬合；根據曲線擬合結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時由機械振動形成的等效輸入阻抗，並由此輸入阻抗確定磁致伸縮換能器的諧振頻率及電氣模擬網路參數。本課題提出的方法與傳統的諧振?反諧振法相比，能更準確地確定磁致伸縮換能器的諧振頻率及其電氣網路參數。同時，採用當前比較先進的web技術，實現了基於jsp的磁致伸縮換能器web電氣模擬系統，該系統具有良好的人機界面和資源共享、信息發布功能。
  5. The simulation results are compared to the normal dipole antenna in order to observe the influence of fractal and investigate the effect of antenna miniaturization. the relationship between miniaturization and fractal dimension is researched. the koch and 3 / 2curve fractal unit are applied to yagi - uda antenna, the performance like impedance characteristic and radiation pattern is simulated by cst microwave studio ?

    對其阻抗特性及輻射方向圖進行了模擬計算，並分別與未應用分形的普通半波振子天線相比較，觀察分形對天線性能的影響，以檢驗分形天線小型化的效果，研究了尺寸縮減性與其分形結構的分形維數之間的關系。
  6. The elements of the reduced - jacobian matrix are functions of some parameters of the system. for example, effective short ratio, power base ratio, coupling impedance and load flow of the system. for single - infeed hvdc system with a parallel ac line, computer simulations using power system analysis software package ( psasp ) were performed

    用一種簡單的方法可以求得降階雅可比矩陣，由於降階雅可比矩陣的元素都是交直流混合系統中一些參數的代數函數，如有效短路比、功率基準比、連接阻抗和系統潮流等，因此，矩陣的特徵值也與這些參數相關。
  7. Simultaneously cross - linked and quaternized 4 - vp - co - nbuma was also investigated as humidity sensing materials and showed good linearity, high sensitivity, good high stability at high humidity and high temperature, and durability to organic solvent, etc. sensors based on 4vp - co - buma ( vp / buma = l / l ) with crosslinking and quaternization reaction of 17 hours exhibited a change of three orders of magnitude ( 104 ~ 107 ) in impedance over the range of 95 % rh ~ 30 % rh, showing high sensitivity, and little hysteresis was observed

    元件具有響應線性度好，靈敏度高，濕滯小、高溫高濕穩定性好、耐無水乙醇有機溶劑性能好等優點。其中，交聯季胺化17小時配料比為1 1共聚物濕敏元件，在33 rh 95 rh濕度范圍內，阻抗變化達3個數量級（ 10 ~ 7 - 10 ~ 4 ） ，響應靈敏度高，幾乎無濕滯。
  8. In acid copper sulphate solution, the nc copper has a more negative corrosion potential which is decreasing with reducing the grain size and diffusion impedance was only found in the as - prepared and as - annealed at 180 ? nc copper due to the diffusion within the pores and channels on the surface. both the tafel plots and eis study demonstrated that the nc copper exhibits a higher corrosion current and lower polarization resistance than its mc couterpart

    在酸性硫酸銅溶液中，納米晶銅的腐蝕電位比微米晶銅要負，並且隨著晶粒尺寸的減小而降低。 eis研究表明，未退火的和180退火的納米樣品中發現了擴散阻抗，與表面孔洞和通道中的擴散有關。極化曲線外推法和電化學阻抗研究都表明納米晶銅的腐蝕電流比微米晶銅高，而極化電阻要低。
  9. Compare to the normal rectangular waveguide, ridge waveguide has the character of broader bandwidth, smaller dimension, lower equivalent characteristic impedance, etc. because of these merits, it is used more and more widely, such as broadband ridge waveguide filter, broadband direct coupler, diplexer, frequency converter, phase shifter, ridge waveguide slot antenna array, and so on

    與普通矩形波導相比，脊波導具有工作頻帶寬、尺寸小、等效特性阻抗低等特點。由於脊波導本身的特點，使其得到了越來越多的應用，例如寬帶脊波導濾波器、寬帶定向耦合器、雙工器、變頻器、移相器、脊波導縫隙天線陣等等。
  10. Novak layer method is introduced to obtain the vertical dynamic impedances of both an end - bearing pile and a floating pile in a homogenous stratum. and the vertical dynamic impedances of single pile are analyzed in homogenous elastic soil, inhomogenous viscoelastic soil homogenous viscoelastic soil. at the same time, the factors to influence the impedances of single pile are examined

    本論文採用novak薄層法，推導了在均質地基中，端承單樁和摩擦單樁的動阻抗；並全面分析和對比了均質彈性、均質粘彈性和非均質粘彈性地基模型中的單樁的動力阻抗，考察了各種因素對單樁動力阻抗的影響程度。
  11. Moreover, the higher harmonic order is, the lower distinguishability, and, as a result, the assessment accuracy becomes bad. considered its prominent localization both in time - domain and in frequency - domain, wavelet is used to the field of assessing harmonic impedance for the first time. we choose chaari wavelet because of its special band frequency characteristic, which can stratify signals synchronously and locate the distortion time precisely in assessing harmonic impedance

    選取chaari小波為母小波，利用其特殊的帶通特性，對在公共連接點（ pcc ）采樣得到的電壓，電流畸變波形進行同步分層， 「突出」信號的畸變部分，提高了被分析信號的「信噪比」 ，以利於諧波阻抗估計準確度的提高。
  12. There are many methods for measuring impedance and commercial lcr meters may have very different working principles. it is more advisable that customers submit their impedance standards for calibration, which in turn can be used to perform in - house checking of their lcr meters. however, the laboratory may offer performance checks for lcr meters using impedance standards

    測量阻抗的方法有多種，故此市面上的電感電容電阻計或有截然不同的操作原理，一種比較適當的做法是客戶將其阻抗標準器送來本所校正，然後客戶可利用這些已校正的標準器替自己的電感電容電阻計進行測試。
  13. Second, we compute the self - impedance through cavity modal theory and mutual impendance based on reaction theory respectively. then the generalized impedance matrix that reflects the effect of mutual coupling is formed. at last, the effect of mutual coupli ng on 2 - d doa estimation algorithms is investigated and two efficient methods of mutual coupling compensation are proposed

    本文首先對兩種二維doa估計演算法? ssm法和二維酉esprit法的性能進行了比較，用空域平滑演算法解決了相干源的二維doa估計；其次運用腔模理論計算微帶天線的自阻抗，用反應原理計算微帶天線間的互阻抗，進而形成計入互耦影響的廣義阻抗矩陣；討論了互耦對二維doa估計的影響，提出了兩種互耦補償的方法。
  14. For multi - infeed hvdc systems, when the minimum eigenvalue of the system becomes zero, the voltage stability graph can be plotted effective short circuit ratio as function of coupling impedance

    對于多饋入hvdc系統，在最小特徵值為零的情況下，可以根據這種關系作出有效短路比?連接阻抗圖，即電壓穩定圖。
  15. The methods were realized directly inversion of the possion ' s ratio from cdp gather and gas - bearing identify. by applied the late theory of avo technology, after inputting the p wave section and s wave section, the p wave and s wave impedance were obtained by applying simulate anneal inversion and used the log as a constrain condition, eventually, obtain the elastic parameter u and x by p and s impedance. then, the gas - bearing will be identified by u and x. by applying this method, the avo combination inversion of prestack and post were realized

    利用上述的反演方法實現了泊松比從道集的直接反演，利用加權疊加技術實現了含油氣的識別，並利用當今avo研究的最新成果，以加權疊加技術分離出的p波和s波剖面作為輸入，在測井的約束下，採用模擬退火方法分別進行p波和s波波阻抗反演，通過p波和s波波阻抗來求取彈性參數和，再通過和的聯合解釋來進行含油氣的判別，實現了avo的疊前疊后的聯合反演。
  16. The actual data processing indicates that 1 ) compared to conventional wave impedance inversion, the method can improve the resolution of seismic data inversion, 2 ) the fault position in coherent slices of original data and coherent slices of wave impedance are coincide with that in structure maps, but the latter can provide a better criteria for fault interpretation than the former

    實際資料應用表明：與常規波阻杭反演相比，該方法可以提高地震資料反演的解析度：原始地震數據相干體切片和波限抗相干體切片的斷層位置均與構造圖的斷層位置一致，與原始地震數據相干體切片相比，波阻抗相干體切片可為斷層解釋提供更好的依據。
  17. Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment

    在windowsnt系統環境和labview虛擬儀器技術開發平臺下，首次利用labview中的直線擬合模塊、指數擬合模塊以及多項式擬合模塊，設計了一種對實驗所得數據進行曲線擬合的方法，對三種擬合方法進行了比較，曲線擬合結果表明，多項式擬合方法相對于其它兩種擬合方法效果更好；根據曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時機械振動形成的等效輸入阻抗，並由此輸入阻抗確定了磁致伸縮換能器的諧振頻率及其電氣模擬網路參數；最後通過labview提供的網路功能，實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器測試系統，並探討了通過datasocket技術實現該系統網路化的方案。
  18. Test method of measuring specific resistivity of electronic grade solvents

    電子級溶劑比阻抗測量試驗方法
  19. Testing methods for specific resistivity recovery characteristic of water filtered by membranes

    薄膜過濾水比阻抗復原特性的測試方法
  20. Testing methods for specific resistivity recovery characteristic of water filtered by ultrafiltration modules

    超濾組件過濾水比阻抗復原特性的測試方法
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