振抖 的英文怎麼說
中文拼音 [zhèndǒu]
振抖
英文
fluttering-
Although buffeting may not cause the bridge destroyed in whole, it can induce the fatigue for structure elements if it is not carefully dealt with. the excessive amplitude of vibration may also jeopard driving and pedestrian so as to make them not comfortable and safe
雖說抖振一般不會引起橋梁的整體破壞，但如果處理不好，也會使橋梁局部某些構件產生疲勞破壞，而且過大的抖振振幅也會危及行車和行人的舒適與安全。Now, as he spoke, his voice trembled with that peculiar vibration which is the result of tensity
他說話時，由於緊張的緣故，聲音里帶著一種特別的顫抖和振動。In study of the submarine movement in deep sea a new approach with fuzzy sliding - mode control and double - gene genetic algorithm is proposed for designing combined maneuvering control system of submarines. simulation results showed that the approach not only remains robustness of sliding - mode control, but also avoids thq effect of chattering phenomenon, possess better performance of the system
在研究潛艇在深海航行的操縱控制中，首次提出了具有雙基因遺傳演算法的模糊滑模控制器的新方法，模擬結果表明了該方法不僅避免了抖振的影響，而且具有很好的系統性能。But jonathan livingston seagull, unashamed, stretching his wings again in that trembling hard curve … slowing, slowing, and stalling once more … was no ordinary bird
但岳納珊不是平凡的海鷗，他並不感到羞愧，反而重新振翼，再彎成顫抖不穩的弧形? ?放慢速度、再放慢，又失速墜落。Low distortion oscillator am fm radio band digimarscope vtr jitter meter
低失真振蕩器am fm收音機用掃頻儀vtr抖動測試儀For a class of series - wound active power line conditioner the design approach law of a new fuzzy integral sliding mode variable structure control is presented. this method adjusts power electronic switch in order to achieve anticipated balance volt, finally makes active power line conditioner not only possess good robustness of variable - structure control and decrease vibration to the most but also increase the steady state precision. series - wound aplc adopted this control method possesses good dynamic and steady state performance
針對串聯型有源電網調節器運用變結構控制策略，調節電力電子開關模式，以獲得預期的平衡電壓，對串聯型有源電網調節器提出了模糊積分變結構控制方法，使串聯型有源電網調節器既保持了常規滑模控制強魯棒性的優點，又減弱了滑模控制的抖振，提高了系統的穩態精度，使系統具有良好的動態和靜態性能，模擬試驗表明該控制策略是一種十分有效的控制方法。3. detailed analyzing the reason for the discrete reaching law to cause system chattering is given and three improved discrete reaching law is developed
其次，詳細分析了離散指數趨近律抖振產生的原因，給出兩種改進方案，並與其它方法進行了比較。In practice, the dithering of non - contact life - parameter detection system made by our group is produced because of the environmental factors such as wind, vibration, motion and so on. the amplitude of the dithering signal is stronger than that of the life - parameter signal, which makes it difficult to extract the life - parameter signal
第四軍醫大學碩士學位論文本課題組研製的非接觸生命參數檢測系統實際工作時，由於外圍環境的干擾（風、振動、移動等）可以導致檢測系統產生抖動，這種抖動信號的幅度大於人體的生命參數信號，甚至導致檢測系統無法檢測出人體的生命參數信號。This machine combines advantages of machines from home and abroad with good airproofing performance, agile turning, filtering bag can be convenient to be changed, dust removing efficiency is more than 99 5, dust discharging density is lower than national standard. filtering bag adopts ladder type flat bag structure which has simple structure, close collocation, high filtering area index, large back - blow swing and dust can be easily shaken off
該機集國內外同類產品優點於一體，密封性好回轉靈活，更換濾袋方便，除塵效率大於99 5 ，粉塵排放濃度低於國家標準濾袋採用梯形扁袋結構，結構簡單，排列緊湊，過濾面積指標高，反吹振幅大，易於抖落積塵Investigation of modeling techniques for helicopter structure dynamic behaviour
飛機抖振問題研究進展The identification of flutter derivatives for bridge sectional model has long been a key issue in long - span bridge flutter and buffeting analysis
長期以來，橋梁斷面顫振導數的識別都是大跨度橋梁顫抖振響應分析中的重點和難點問題。Abstract : based on thestatic wind force factors of a tower and on the root - mean - square of the buffetingdisplacement responses of the tower top, which are measured by wind tunnel tests inlaminar and turbulent field respectively, the static and buffeting internal forces of thetower bottom control sections under its design wind speed are obtained by linearsuperposition method and fem
文摘:基於均勻流和紊流風場中的橋塔模型風洞試驗所測得的橋塔空氣力靜力系數及塔頂抖振響應的位移均方根，採用線性疊加法及有限元法反演，給出設計風速下塔底控制截面的順風向靜風及抖振內力。The structure of the joint zone for cooperative system cable - stayed bridge and analysis of buffeting response
協作體系斜拉橋接頭部位構造及抖振響應分析There are two implementations for discrete reaching law, both has obvious strongpoint and limi - tations. so the two was synthesized. simulation results showed that the discrete vsc is easier to be implemented by computer control system, and go further in decoupling between chattering control and system dynamics, while the robustness is not so good as continuous time vsc
本文的另一項工作是在連續系統的基礎上，討論了離散時間變結構控制策略和抖振控制，針對控制量加速度不足，提出了離散趨近律的兩種實現方式，由於兩種實現方式同樣具有明顯的優缺點，因此將兩種方式結合起來，增加了兩個與滑模面平行的切換面作為系統在兩種方式之間切換的界限，並通過計算機模擬驗證控制效果。Oscillator generated a wave with frequency 132 khz as the clock signal
振蕩器電路產生一個頻率在132khz附近抖動的矩形波作為整個電路的時鐘信號。Sometimes the buffeting was so violent that the wings were torn off the plane.
有時抖振得如此劇烈，以致於機翼從機體上撕裂下來。The method described in this paper may simulate real natural wind at the site of bridge using real wind velocity continuous records in short period and putting aside wind spectrum on the base of simulating merit or demerit, then buffeting response has been analysised
本論文在分析了已有風場模擬方法優缺點的基礎上，沒有採用已有的風譜，僅用橋址處短期的實際風速時程記錄，進而模擬該橋處的實際風場，從而分析橋梁的抖振響應。The vortex - excited oscillation, wake galloping, rain - wind vibration and buffetting are the main cause of the fatigue in the vicinity of the anchorages on cables of cable stayed bridges
渦激振、風雨振、尾流馳振、抖振等風致振動容易造成斜拉橋拉索錨固端疲勞，促使銹蝕加快，嚴重影響拉索的使用壽命。Stay cable, which is one of the important components in cable - stayed bridges, is susceptible to environmental excitation because of its small weight, large flexible, low damping, then the various vibration is induced, such as vortex - induced vibration, wake galloping, rain vibration, buffeting as well as parametric - induced vibration etc. in this paper, the vibration property of stay cable has firstly been introduced
斜拉索是斜拉橋的重要承力構件，由於拉索自身的質量輕、柔度大、阻尼小，在外界激勵下，易發生各種振動，包括渦激振、尾流馳振、風雨振、抖振以及參數振動等。Inspection of the trouble seriously of farm transport vehicle is shaken and tremble
農用運輸車嚴重振抖故障的檢查分享友人