vibration range 中文意思是什麼
vibration range
解釋
振蕩范圍-
Environment of modern in - situ vibration measurement has become more complex, measurement points increased and the measurement range widened greatly with the coming forth of long, large, tall and flexile structures
隨著長大高柔結構建築的不斷涌現，現代振動測試現場環境更為復雜、測點布設數量更多、測點分佈范圍更廣。 -
The vibration is varied in frequency over a range on the order of 5 to 2, 000 cps, usually at a constant octave.
振動的頻率在5到2000赫的范圍內變化，通常用一常值的八階變化率。 -
Szkx series possesses distinguishing features of small, light weight, well respondence, good overloading capacity, low noise, small vibration, wide speed range and small ripple at low speed
本電動機具有體積小、重量輕、動作響應快、過載能力大、噪音振動小、調速范圍寬、低速波動小等特點。 -
If can utilize hall ' s component to measure displacement under the condition of the simple magnetic field, increase the range of measuring ; it inertia little, merit that exposed to make it function in the measurement of vibration and in various kinds of displacement, become a kind of displacement sensor with fine performance. it can solve this difficulty to adopt the feedback servo mechanism
若能在簡單磁場的條件下利用霍爾元件測量位移，增加測量范圍；它慣性小、非接觸的優點將使它在各種位移與振動的測量中發揮作用，成為一種性能優良的位移傳感器。採用反饋隨動機構可解決這個困難。 -
The result of the experiment shows that the proposed forced vibration method device has the quality of stability and repetitiveness of the data, the wide range of the testable reduced velocity, the exactness of coupled and direct flutter derivatives. and it does not need to employ any complicated identification system to check it further
結果顯示：本文提出的強迫振動法裝置具有試驗數據穩定、數據重復性好、可測量的折減風速范圍寬、交叉項導數與對角項導數具有同等精度和不需要復雜的系統識別過程等一系列優點。 -
The pyrolysis process of the cmf aerogel was investigated firstly by means of ir technique. the results showed an infrared active vibration occured in the temperature range of 400 - 600 " c, which was corresponding to the tubstatic graphitized structure formed hi these aerogels
採用ir分析技術跟蹤c _ mf氣凝膠的熱解過程，發現400 600之間樣品中出現石墨化結構的紅外活性振動，表明炭氣凝膠的微結構中開始有亂層石墨化微晶出現。 -
By calculating parameters including the link length, the azimuth angle, the elevation, the optical power that the inter - satellite optical cdma communication system will receive, the variation range of the azimuth angle and the elevation from the optical antenna of atp are understood well. by analyzing the factors to impact bit - error - rate ( ber ) from the received power, multi - user disturbing, background noise, wavelength, bit rate etc, measures to guarantee high performances of the system are obtained, especially those for smoothing the fluctuation of the received optical power from host platform vibration
分析研究了衛星光cdma通信系統中衛星仰角、方位角和距離，給出了探測器能夠接收到的光功率以及atp子系統捕獲及跟瞄的范圍;對衛星光cdma通信系統性能模型和基於衛星振動系統性能模型的研究，分析了多用戶干擾、接收光功率、背景光噪聲、振動偏差以及碼速率對系統誤碼率的影響，給出了相應的改進措施。 -
Mechanical vibration and shock - range of idealized values to characterize seated - body biodynamic response under vertical vibration
機械振動和沖擊.在垂直振動下說明坐位人體生物動態響應特性的理想值范圍 -
( 2 ). according to the system indices and requirements together with the technology characteristic, it researches the capture possibility of apt capturing system. then it introduces the common scan methods, such as raster, spiral, raster spiral, rose and lissajo. ( 3 ). it makes a detailed simulation analysis of the raster and spiral scan, analyze the connection between capture probability, capture time, system index at different capture resolution angle, capture range, vibration angle extent and terminal location distributing mean square deviation
其中對幾個關鍵部分進行了詳細分析:計算了目標角反射器的激光雷達散射截面（ lrcs ）值，研究了qd與ccd對目標位置角度的計算方法和空間解析度; （ 2 ）根據系統指標和要求並結合現有國內技術特點研究了apt捕獲系統掃描的捕獲概率問題，然後分析了幾種常見的掃描方式:矩形（ raster ）掃描、螺旋（ spiral ）掃描，矩形螺旋（ rasterspiral ）掃描，玫瑰形（ rose ）掃描以及李薩如形（ lissajo ）掃描; （ 3 ）對分行掃描和螺旋掃描進行了詳細的模擬分析，分析了它們在不同捕獲分辨角、捕獲范圍、振動角振幅和終端位置分佈均方差時的捕獲概率、捕獲時間與系統常數之間的關系。 -
Three interesting effects characteristic of the forced vibration in the turning point range emerge from the coupling nature : the non - bending effect, the inner - quiescent effect and the inner - membrane - motion - and - outer - bending - motion effect
揭示了轉點頻段薄殼強迫振動的3種特殊效應：無彎曲效應、內部靜止效應和內部薄膜運動外部彎曲運動效應。 -
The simulation results show that the active vibration isolation system has much better isolating performance against conventional passive isolation system in a very broad frequency range
結果表明，該主動隔振系統在整個頻段均具有很好的隔振效果。 -
However when the size of the platform is large, or it works in a wide frequency range, or the requirement of vibration control, it is urgent to choose the material ofplatform, arrange isolator and determine thedesign parameters of isolator for obtaining the expected effect of vibration isolation
但是，如果平臺尺寸很大或是要求的工作頻段較寬或振動控制要求很嚴時，如何選擇平臺材料及布置隔振器，如何合理地確定隔振器的設計參數，使其達到預期的隔振效果，是一個亟需解決的問題。 -
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。 -
This frequency range is proximate to main vibration frequency of the traction machine at rated speed, and, according to this, measures against elevator resonance are proposed
並針對該頻率區與曳引機主機額定轉速主振頻率接近的特點，提出了防止電梯發生系統共振的措施。 -
This continuous rule can put the suspension system in the optimal damping state. the skyhook principle can be combined in this control rule, which can further attenuate the vibration of the car - body in lower frequency range, but the acceleration response in higher frequency range tend to be larger
文中還研究了把基於天棚阻尼原理的阻尼控制策略結合到該控制系統中的復合控制方法，前者能使系統始終處于最優或次優阻尼，後者則能進一步衰減低頻振動，但也有增大高頻響應的趨勢。 -
Low frequencies are related to the random property of soil rupture, whereas random vibration frequencies of the tractor - implement system are shown in the high frequency range
研究結果表明：低頻力與土壤振動裂縫等隨機因素有關，而高頻力則是由於拖拉機鼠道犁機組的振動引起的。 -
Dynamic weakening technique make use of adjusting structural dynamic characteristics to weaken vibration response, is one mature means of vibration control. because of its features, such as effective reducing vibration response, wide range of use, simple fixing, easy maintenance and saving in value, this way is widely used, and have good economic performance
由於具有能有效衰減結構的振動反應、使用范圍廣、安裝簡單、易於維修、節省造價等特點，這一振動控制方法已得到了廣泛的應用，具有良好的經濟效益。 -
From theoretical analysis, we know the existing demodulation methods have limitations as following : one is that the subtraction of the two signals frequencies will display as the result of demodulation when we demodulate two time - domain adding signals without modulating information ( fault information ) ; the other one is that aliasing phenomenon will occur as a result of getting absolute value, detection or square in the process of generalized demodulation analysis, such phenomenon will result in some superfluous frequency composition on the frequency spectrum, which will puzzle the detec tion of mechanical vibration. if the sampling frequency is selected from a suitable range, the aliasing phenomenon will be avoided ; the last one is that aliasing frequencies will be produced in zoom demodulation analysis because this algorithm cannot employ digital low - pass filtering to avert the folding frequencies of higher harmonics in the process of zoom sub - sampling
現有的解調分析方法存在以下三種局限性：將不包括調制信息（故障信息）的兩時域相加信號，也以其頻率之差作為解調信號而解出；廣義檢波濾波解調分析中，由於取絕對值、檢波或平方過程可能產生混頻效應，在解調譜中表現為無法分析的頻率成分，並由此推導出避免這種混頻現象的采樣頻率的選取范圍，從根本上避免此類誤診斷的產生；幾種細化解調分析新演算法中，因為無法在細化分析的選抽時進行數字低通濾波，有可能會出現調制頻率的高次諧波成分發生頻率混疊而反折到低頻部分的現象。 -
Such a semiacitve control system is not only with a broad frequency range for vibration suppression but also apt to implement. numerical results show that using the discrete control can generally decrease the displacement response but increase the acceleration response, whereas using the co
同時通過數值計算發現，變剛度控制如果採用離散控制的方法，盡管可以有效抑制結構的位移反應，但是大多數情況下對于加速度反應則是不利的；相反，連續控制則顯得比較靈活，可以有效克服這種缺陷。 -
Is characterized by colour digital display with 4 probes, ultrasonic induction, accuratedetection and entering back action, automatic start of anto - collision indication system, digtal display with location, perspective of barriers position and easy installation, which improves substantially the car s practicability, that is it is not disturbed in rain ang nighe, performing its advantages for it s against the disturbance of the strong electromagnetic waves. it is applied to the temperature in the range of - 40 85. it is also characterized by the three - grade dulcet for foretelling, colour digital indication, anti - vibration protection device, durable damp - proof treatment, inserting installation, original configuration, beautiful appearance and firmness. it also adopts anti mal alarm technology. it is specially produced, and its quality is ensured
數碼四探頭彩色顯示超聲波感應，偵測準確進入倒檔，自動開啟防撞提示系統數碼加方位顯示，效果能透視障礙物位置安裝容易，大大提高原車實用性能不受雨天黑夜等影響，盡顯優勢抗強電磁波干擾適應溫度寬40 85三級悅耳預
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