velocity impedance 中文意思是什麼
velocity impedance
解釋
速度阻抗-
The results show that the electron mean drift velocity is affected by the cathode radius, the impedance of the load diode, the inner radius of vanes and the input voltage
結果表明電子平均漂移速度決定於陰極桿半徑、負載二極體阻抗、陽極慢波葉片內徑和輸入電壓。 -
An intelligent force / position control strategy based on impedance control was proposed to improve the control performance in robotic deburring process by employing a fuzzy impedance controller and a fuzzy velocity controller
摘要提出了一種面向機器人參與機械加工的智能柔順控制策略，通過一個模糊阻抗控制器和一個速度控制器，該策略被應用於機器人切除毛刺操作中。 -
The increasing of the width of the groove makes the phase velocity decreased largely but almost no effects on the bandwidth, and the coupling impedance enhanced
槽口寬增大相速減小較多，頻寬幾乎沒有什麼變化，耦合阻抗增大。 -
With the radius of the center conductor increasing, the phase velocity is also decreased a lot, the bandwidth is relatively widened, and the dispersion of the structure is weakened but the coupling impedance is lowered
軸半徑增大，相速明顯減小，頻寬有一定程度的增加，色散減弱，耦合阻抗值降低。 -
( c ) for the helical swallow - tailed structures with same groove width, the deep groove depth one which is suitable for the use in a interaction system of high power twts, has the largest coupling impedance and the lowest phase velocity in comparison with the other different groove profiles
（ 3 ）具有相同槽日寬度的燕尾形螺旋槽結構在槽深度較深情況下用作大功率行波管的互作用系統具有最大的耦合阻抗和最低的相速。 -
At the same time, the thickness of target should also be in accord with the impact velocity. experiments of quasi - isentropic loading to 93 w alloys by 93w - ofc - tc4 - a1 - mbz system flier - plate with graded wave impedance were performed on light gas guns. the corrected visar - measured wave profiles were profiles with an initial velocity jump followed by a stepwise - rising front to the peak velocity amplitude, indicating that quasi - isentropic compression energy waves had been successfully generated
在輕氣炮上利用研製的93w - ofc一tc4 . ai一mbz系波阻抗梯度飛片實現了對93w合金（靶材料）的準等嫡壓縮，經修正後的測試波形都是由一個較弱的初始速度跳躍和一段呈階梯狀緩慢上升的波陣面前沿所組成的準等嫡壓縮波。 -
Furthermore, the higher the impact velocity, the smaller the extended wave ' s front while the higher the peak velocity. at the same time, the thickness off target should also be in accord with the impact velocity. finally, experiments of quasi - isentropic loading to aluminum targets with lithium fluoride windows via w - mo - ti - mg system flier - plate with graded wave impedance, having been fabricated by sps, were performed on a two - stage light gas gun
使用sps制備出平行度好、整體緻密的、 w - mo - ti - mg系準連續波阻抗梯度飛片材料，利用二級輕氣炮進行了w - mo - ti - mg系波阻抗梯度飛片材料的準等熵特性的實驗研究，成功實現了對帶窗口材料的al靶板的準等熵壓縮。 -
Abstract : from the equilibrium and continuity conditions of wave impedance boundary of stress wave and velocity, wave, the paper derives the expressions of reflection coefficient and transmission coefficient of stress wave and velocity wave, further, discusses the characteristics of f - v curves at different impedance ratio, and analyzes the application of these characteristics to ascertain the defects of pile and soil resistance distribution around pile by practical engineering examples
文摘:該文從力波及速度波在波阻抗界面的平衡及連續條件，推導了力波、速度波的反射系數、透射系數表達式，進而討論在不同阻抗比時的f ? v曲線特徵，並引用幾個工程實例對應用這些特徵判定樁身缺陷及樁周土的阻力分佈進行了分析。 -
Therefore, the method of lines is applied to characterize the influence of metallization thickness and conductivity loss on the velocity match and impedance match
為此，論文著重分析了共面電極的厚度與有限電導率對行波調制器的微波特性的影響。 -
With the consideration of the vertical wave effect of soil and soil - pile interaction, an approximate analytical solution to vertical vibration of pile system with variable impedance in visco - elastic layered soil is developed. a simplified and practical mathematical model for interaction between soil layers is proposed, and its applicability is theoretically investigated. based on this model and by using laplace transforms and the transmit property of impedance function, the analytical expression of the impedance function and solutions of the displacement and velocity response function in frequency domain and in time domain at the pile head are derived
4 、從三維軸對稱土模型出發，對考慮樁土耦合作用、土層層間聯系以及樁周土豎向應力梯度變化條件下的成層粘彈性土中完整樁及變阻抗樁系統縱向振動問題進行了研究，提出了成層土中變阻抗樁系統縱向振動問題的近似解析解法和樁周土層層間相互作用的簡化而實用的數學模型，並利用拉氏變換和阻抗函數的傳遞性，獲得了成層土中任意段變阻抗樁樁頂阻抗函數的解析表達式，以及樁頂速度導納和時域速度響應解析解和半解析解。 -
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。 -
With laplace transforms, the question can be solved in laplace domain. with the aid of impedance transmit functions, an analytical solution for the impedance function in laplace domain is yielded, so is the corresponding analytical solution for the impedance function in frequency domain, semi - analytical solution of velocity response in time - domain subjected to a semi - sine exciting force and mobility at the level of the pile head
利用拉普拉斯變換，將定解問題轉化到拉普拉斯域內求解，結合阻抗函數的傳遞性，得到了拉普拉斯域內的樁頂阻抗函數解析解，進而得到了頻域內的樁頂阻抗函數解析解、半正弦脈沖激振力作用下的速度時域響應半解析解和速度導納。 -
It has been shown by our calculations that conductor loss is greatly reduced under velocity matching with relatively thick coplanar waveguide electrodes and thick buffer layer, but the characteristic impedance can not match with that of the external circuit at the same time, and the modulation bandwidth is confined in this case
然後，用一般的橢圓積分計算了普通共面波導型調制器的有效折射率、特徵阻抗和導體損耗系數。通過計算發現，採用厚電極和厚緩沖層結構，在實現速度匹配的情況下，可以大大減小導體損耗，但是由於阻抗不能同時滿足匹配，調制帶寬受到限制。 -
The initial velocity jump and velocity peak of the quasi - isentropic waves are greatly concerned with shock wave impedance of the targets. changing the impact conditions, there are evident differences among the quasi - isentropic energy
隨著擊靶速度的提高，準等熵壓縮波的波陣面前沿的上升時間逐漸減小，而對應的速度峰值和初始跳躍則不斷增加。 -
By a large amount of calculations, the influence of the structure dimensions and the dielectric parameters on dispersion characteristic and coupling impedance of this kind of slow - wave structure is obtained. then, the linear beam - wave interaction theories of the arbitrarily - shaped helical groove waveguide and the dielectric into the arbitrarily - shaped helical groove waveguide are deduced. by the numerical calculations, the relationship is got between the small signal gain, bandwidth, electromagnetic " hot " velocity and the electronic beam, the structural parameters
通過數值計算，獲得了此類慢波結構的色散特性和耦合阻抗隨結構幾何尺寸和介質參數的變化規律;在此基礎上，建立了任意槽形螺旋槽及中心加介質棒的任意槽形螺旋槽行波管的注-波互作用線性理論，並編製程序，計算了管子的小信號增益、帶寬、電磁慢波的「熱」相速與電子注參數、結構參數之間的關系，獲得了增加帶寬或增益的途徑。 -
The research on the rf characteristics of the conductor - centered helical groove sws. ( a ) in the " cold " system, we found that the changing of depth of the groove has no distinct effects on the phase velocity at the lower frequency region ; but with the increasing of the frequency, the phase velocity and bandwidth are reduced slightly, the structure is more dispersive and the coupling impedance is enhanced
對具有中心導體軸的矩形螺旋槽慢波系統的高頻特性進行了理論研究： （ 1 ）在冷系統中的研究結果表明：頻率較低時，槽深的改變對相速的影響不是很大，隨著頻率的增大相速略有減小，同時帶寬也有所減小，色散變得稍強，耦合阻抗增大。 -
The dispersive characteristic of sws is a very important parameter of the rbwo and rtwt, other parameters such as the phase velocity, group velocity, coupling impedance can be derived from the linear dispersion relation. recently, the photonic crystal have attracted many attentions of the scientists, which has become a hot point of the research, it is also a ps
周期慢波結構色散特性是研究高功率微波器件的一個重要參量，其他重要特性如相速、群速、耦合阻抗等參量都可以從色散關系衍生出來，準確，快速獲得周期電磁結構的色散特性就顯得尤為重要。
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