vertical frequency response 中文意思是什麼
vertical frequency response
解釋
垂直頻率響應-
Utilizing the characteristics of quick response, easy for automatization and easy to realize frequent commutation of the hydraulic system, this mechanism can be employed in composing the compound movement in horizontal and vertical direction, which could realize accurate simulation of the motion law for motorcycles and automobiles under the effect of random load in high frequency
利用液壓系統反應快、便於自動化、易於實現頻繁換向的特點，該機構可用來合成水平、垂直方向的復合運動，實現對摩托車、汽車等在高頻隨機載荷作用下運動規律的精確模擬。 -
It is showed in buffeting analysis that the analysis results in time domain agree well with those in frequency domain. effect of pylon wind field can increase the lateral buffeting response of pylon. nonlinear factor can decrease the nature frequency of cable - stayed bridge, and can increase the vertical and torsional buffeting response
時域抖振分析結果表明：大跨度斜拉橋抖振的時域和頻域分析方法具有較好的一致性；考慮橋塔風效應會顯著增大橋塔的橫橋向抖振響應；非線性因素會降低斜拉橋的自振頻率，會增大斜拉橋的豎向及扭轉抖振響應。 -
In this paper, through the self oscillation analysis and the earthquake response analysis, the frequency, the oscillation mode, the transverse and vertical earthquake response of the different cable form projects and the relevant single - layer spherical latticed shell were compared, the effect of different cable form projects to the structural dynamical stability was obtained
本文對選定的三個布索方案進行了自振特性分析和地震響應分析，比較了各方案的頻率、振型以及橫向和豎向地震反應，並和相應單層球面網殼進行了對比，得到了布索圈數對結構動力性能的影響。 -
On the basis of the steady - state semi - empirical model of the tire and the concepts of the relaxation length and the effective slip ratio, a non - steady semi - empirical model to express the tire longitudinal - slip response to the low - frequency input of the transient vertical load and transient slip ratio was presented
摘要在穩態半經驗模型的基礎上，根據鬆弛長度和有效滑移率的概念建立了能表達時變垂直載荷及時變滑移率低頻輸入下的輪胎縱滑特性非穩態半經驗模型。 -
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。 -
Testing the vibration acceleration signal of rail top ( lateral and vertical ), rail middle ( lateral ), rail bed side ( vertical ) and rail bed middle ( vertical ) with dasp vibration testing system, calculation of signals obtains the power spectral density and frequency response curves of different position
測試橫向和垂向激振力下鋼軌不同部位的振動信號，進行頻譜分析，得出不同部位的頻率響應曲線。通過對頻響曲線的分析，得出不同方向激振力下鋼軌振動能量集中的頻率，確定不同方向激振力下鋼軌的主要振動部位和振動形式。 -
Abstract : the track vertical profile irregularity is regarded as stationary ergodic gaussian random processes. the vertical radom vibration of vehicle and track is computed on the basis of vehicle track coupling dynamic fem model. the analysis of system response is made in the time and frequency field
文摘:將軌道高低不平順視為平穩各態歷經隨機過程5 ，利用車輛-軌道耦合動力有限元計算模型，對車輛-軌道系統垂向隨機振動做了計算，在時域和頻域內對系統響應作了分析。 -
Thirdly, the wire size variations, vertical balance, insulation and joint features on adsl lines will affect the insertion loss and introduce additional noise, thus reducing the transmission rate and degrading the transmission performance. fourthly, the bridge tap on the adsl line will greatly change the frequency response and phase - frequency features of the line insertion loss
第三，線對線徑的改變、線路的縱向平衡性、線路的絕緣性能和線路接頭的性能將影響線路的插入損耗、引入附加噪聲，從而降低adsl的傳輸速率，影響adsl的傳輸性能。
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