attenuation vibration 中文意思是什麼
attenuation vibration
解釋
衰減振動- attenuation : n. 1. 變薄，變細。2. 減少，減弱。3. 稀釋。4. 【物理學】衰減。
- vibration : n. 1. 振動，顫動；擺動；【物理學】振動。2. （心的）震顫。3. （思想情緒的）激動。4. 猶豫。adj. -al
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The vibration propagation is prodigious influenced by geological condition and the depth of tunnel. at last, linear method is carried to study the attenuation empirical formal of vl
地質條件、隧道埋深對振動波的傳播影響較大，在離開隧道軸線一定距離存在一個振動放大區，在此區域內地面振動強度有所增大。 -
The attenuation of the ground vibration is closely relative to the physical and mechanical properties of the ground media
地面振動隨著遠離振源而產生衰減。衰減的程度與強夯作用場地介質的物理、力學性質密切相關。 -
Based on the resolving algorithm of continuous - layer method, the time order analyzing curves, acceleration curves and the response spectra of transfer function at the different points of the ground and at the same point on the different ground conditions are gained. it demonstrates that the responses of ground in x, y and z axial directions all change by time, and the obvious wave propagation appears in ground. for different observing points on the same ground condition, at more distant points from the load line, the less swings are found, that is to say, vibration possesses the obvious characteristic of attenuation
基於分層法的解析演算法，得到了在不同點以及在同一點但不同地質條件下的時程分析曲線、加速度變化曲線和傳遞函數反應譜，結果表明，地基土在x 、 y 、 z三個方向的響應都是隨時間變化的，並且伴隨有明顯的波動現象產生；對于相同地質條件的不同觀察點，距離荷載作用線越遠的地方振幅越小，即振動具有明顯的衰減性。 -
The attenuation indexes of vertical direction components and level radial components of blast earthquake wave in the condition of far range are all larger than the one in the condition of close range. based on upwards analysises, relevant control ways and safety defending technology of blast vibration are given from the aspects of blast equipments, blast parameters, landform physiognomy, blast methods. and taking the practical data from blast scene as the sample, the blast shockproofness are forecasted by the feedforward nerve network model based on the prior knowledge of blast shockproofness, the regress analysis method and experience formula method, which supply the technology gist for
並且，以爆破現場的實測數據為樣本，採用基於爆破震動強度先驗知識的前饋網路神經模型、回歸分析法及經驗公式法分別對爆破震動強度進行了預測研究，為爆破施工參數的確定提供了技術依據，確保整個爆破工程順利安全進行，並對這三種方法的預測結果進行了對比分析;對比分析表明，三種預測方法計算出來的結果精度相差甚大，從檢驗樣本值與預測結果值之間的相對誤差可以看出，人工神經網路法預測的結果較其他方法更接近於實際值，回歸分析預測法的精度又要高於經驗公式預測法。 -
Two layers vibration - isolating unit has been compared with single layer one, its delivering rate of force and a group of parameter curves have been obtained based on the characteristics of attenuation and stability
根據衰減和穩定特性，對單層和雙層隔振系統作了分析比較，為雙層隔振系統推導出傳遞率的一般方程，並求得一組影響傳遞率的各種參數曲線。 -
The general attenuation law of ground vibration caused by heavy tamping is verified by spectrum analysis in this paper. moreover, the relationship between attenuation index and standard penetration number is created through combination analysis of vibration attenuation and surface wave propagation
在此基礎上，通過面波分析，得出了場地介質衰減指數和表徵場地介質性質的參數?標準貫入擊數之間的關系，給出了表達式的一般形式。 -
In this paper, the propagation, the regulations of vibration attenuation are studied by both in situ experimental and simulation method, based on the observed data of the first and second line in a subway
本文以某地鐵一號線、二號線振動測試數據為基礎，從實測和數值模擬兩個方面對振動的傳播規律進行了研究。 -
Railway applications - track ; performance requirements for fastening systems - part 6 : special fastening systems for attenuation of vibration ; german version env 13481 - 6 : 2002
鐵路應用.軌道.緊固系統的性能要求.第6部分:振動衰減 -
The key points of this paper can be concluding as follows : 1. the regulations of vibration attenuation of a subway are concluded by analyzing the situ data. in the zone near rail, the high - frequency vibration is stronger than other weight, and in the zone far away from railway, the results is opposite
主要研究內容和結果如下: 1 .對某地鐵線路環境振動實測數據進行了分析，得到了振動波在土中的傳播規律:地鐵運營誘發振動傳播過程中，近軌區域以高頻振動為主，遠軌區域以低頻振動為主。 -
The probability density function of impact attenuation vibration system
沖擊減振系統的概率密度函數 -
The scathing fault frequency rose the different vibration of frequency, the different stage, different part, different appearances of the fault cause the different frequency of the bearing ’ s inherence attenuation vibration
損傷故障激起的固有振動頻率不是固定不變的，故障的不同階段、不同部位、不同形態都會引起不同頻率的固有衰減振動。 -
Rolling bearing ’ s vibration signal has a strong background yawp, the different fault cause the different characteristic of vibration. particularly the scathing fault, will not only cause the low frequency impact vibration, but also rise the high frequency inherence attenuation vibration of the bearing
滾動軸承振動信號具有背景噪聲強、不同故障引起不同特徵振動的特點。尤其是損傷類故障，不但會引起低頻沖擊振動，還會激起軸承系統的高頻固有衰減振動。 -
The main contents of this thesis include : ( 1 ) summarize and analysis of the theories on vibration transmission through rolling element bearings ( 2 ) based on the threshold setting and signal ’ s statistical approach, a method for solving the problems of denoise was developed ( 3 ) using sparsity and clustering, the method and hypotheses for underdetermined blind source separation was studied ( 4 ) the method based on potential function clustering was given for underdetermined blind source separation of noisy signals based on the assumption that the input distribution is sparse and the mixture procedure is linear, the attenuation matrix and the delay matrix were estimated by clustering. the approach was experimentally illustrated for the case of m = 2. the separation of the signals from bearing test bed proved that the given methods are available and reliable
在需求分析和研究現狀分析的基礎上，本論文針對如下內容進行了重點研究: （ 1 ）以滾動軸承為例，對旋轉機械振動信號的傳輸進行了歸納分析; （ 2 ）通過設定某一門限並研究信號間的統計特性，研究了旋轉機械振動信號的盲源分離過程中噪聲消減策略; （ 3 ）應用稀疏信號分析和聚類分析方法，對盲源分離中欠確定問題的假設條件進行探討並對分離方法進行了分析; （ 4 ）採用基於勢函數聚類分析的方法，研究了欠確定前提下含噪聲測量過程中信號盲源分離方法。 -
Dorts also requested the general consultant to assign experts who familiarize with noise control and vibration attenuation to assess these issues in advance of construction
于工程規劃階段本局就委由總顧問特別派遣振動及噪音專家來臺完成評估報告。 -
Analysis on the primary cause of causing amplitude attenuation in the ultrasonic vibration cutting after frequency tracking
在頻率跟蹤后引起振動切削過程中振幅衰減的主要原因分析
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