聲載荷 的英文怎麼說

中文拼音 [shēngzǎi]
聲載荷 英文
acoustic loading
  • : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • : 荷名詞(蓮) lotus
  • 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
  1. The emission observed while holding at the proof load provides another piece of information regarding the imminence of failure.

    在驗證施加期間,檢測發射還能額外地提供有關破壞臨近程度的信息。
  2. Abstract : experiments were made on a ultrasonic machining tool with work - piece adhered to ultrasonic transducer head, to machine micro - holes on hard and brittle materials such as soda glass and si, to study the effects of tool materials , work - piece materials , amplitude , machining load , slurry concentration , tool length and the size of work - piece on machining rate and wear ratio. in this experiment, the micro - tool was made through wedg

    文摘:通過以wedg放電加工手段製作微細超加工用工具,在採用工件加振方式的微細超加工機上對碳酸玻璃、半導體硅等硬脆材料試件進行微孔加工的實驗,來探討在某一特定加工條件下工具材料、工件材料、工件的振幅、加工靜、磨料懸浮液濃度、工具長度及工件尺寸等重要因素對加工速度、工具損耗率的影響,為微細超加工技術的實用化提供參考依據。
  3. In the condition of non - axisymmetrical stage separation in hypersonic flight, the problems of dynamics and kinematics of the validating vechicle and the launch vechicle are primarily analysised. it includes the movement of the center of mass and the rigid body of the vechicles, the relative movement of the different vechicles, the relative movement of the special parts of the different vechicles, the load analysis and the probable collision in the process of stage separation

    研究了在高超速狀態下非對稱級間分離過程中,驗證飛行器與運火箭分離時的相關運動學和動力學問題。包括:飛行體質心運動和剛體運動;不同飛行體之間的相對運動;不同飛行體上特殊部位之間的相對運動;分離過程中各相關飛行體上的分析和分離過程中可能發生的碰撞問題。
  4. Test method for acoustic emission testing of insulated aerial personnel devices with supplemental load handling attachments

    帶附加調節裝置的航空人員隔音裝置發射檢驗的試驗方法
  5. Standard test method for acoustic emission for insulated and non - insulated aerial personnel devices without supplemental load handling attachments

    無附加調節裝置的航空人員隔音和不隔音裝置用發射的標準試驗方法
  6. Standard test method for acoustic emission testing of insulated and non - insulated aerial personnel devices with supplemental load handling attachments

    帶附加調節裝置的航空人員隔音和不隔音裝置發射試驗的標準試驗方法
  7. This article describes a way of special ultrasonic system which monitors thermal stress in seamless welded rails. this monitoring system is a non destructive testing system, which adopts avr mcu and high - precise time chip processing as the core of it, and adopts the critically refracted longitudinal wave as the object of measuring. my studying focuses on the theory of the monitoring system, which will be listed in this arctile : according to the snell theory, the theory of motivating of critically refracted longitudinal wave is described in details, and the finite element software is used to emulate the propagating course. the formulas of calculating the pts of swr are taken from the acoustoelasticity theory, and the calculating the parameters is introduced. according to assemble materials, three kinds of ways of monitoring the pts of swr using critically refracted longitudinal wave are described, which are measuring the sound - time in changeless distance, ultrasonic critical - angle refractomery and frequency spectrum, the first way of ways is used in this experiment system. the factors, which effect the monitoring system, are assaid in some degree based

    本文的研究工作重點在無縫焊接鋼軌溫度應力測量系統的理論模塊,包括根據snell原理,研究極限折射縱波的激發機理,並使用有限元軟體ansys進行模擬;根據彈性理論以及公式推導出計算無縫焊接鋼軌中的溫度應力的公式,並對其中參數的求解方法進行介紹;根據收集的資料,介紹了三種使用極限折射縱波測量無縫焊接鋼軌溫度應力的方法,即固定距離測量時法、臨界角折射法和頻譜分析法,本實驗系統使用的是第一種;根據實驗經驗以及相關資料,分析了影響極限折射縱波測量溫度應力的幾個因素,並提出了相應的解決方法;根據實驗系統的需要,獨立設計並加工出相關配套的實驗設備,包括實驗鋼塊、有機玻璃楔塊、固定件、外框裝置等。
  8. To the cabin which is designed by the forth department chongqing communication college, the model which includes the air in the cabin, generator set and public muffler is built integer, meshed, and added by boundary condition and load. the normal k - model etc are used to be turbulence model of the air in cabin respectively, the turbulence model is calculated by simplef or simplen algorithm, and by the first order accurate msu or the second order accurate supg in advection discretization scheme

    論文對艙內空氣、發電機組和公用消器進行了整體建模和網格劃分,施加機組艙模型的邊界條件和,採用標準k -等多個模型來分別模擬機組艙通風散熱的空氣湍流流動,採用simplef和simplen兩種不同的數值演算法以及一階msu和二階supg的對流項分離方案來對流動模型進行運算。
  9. This article takes hanging off and wide fluctuation of transmition velocity of adsl as example, then analysis centers on the discerte multiple tone and the principle of channel load assignation. from analysis above article points out the root of adsl being sensible of noise signal. at last, reserches effects that window function and barrier effect on frequency and adopts fft to work out the noise power of adsl

    本文以電信現在推出的adsl傳輸中鏈路經常掉線和傳輸速率經常大范圍波動為例,重點分析了adsl所使用的dmt調制方式和注水演算法分配通道方式原理,由此指出adsl對噪信號敏感的根源,在得到問題的根源之後,分析了窗函數和柵欄效應對頻譜的影響,採用fft方法計算adsl線路的噪功率譜,為adsl線路測試提供了可靠的理論依據。
  10. According to the study work of this paper, an automatic six - component strain gauge balance calibration system development scheme was put forwards : the system calibrates the balances in the ecs, and translates the loads to the bcs of the balances with measuring the balance ’ s position changes during the calibration

    本文根據1m高超速風洞氣動力試驗的總體要求,提出了採用天平校準地軸系全自動加、並通過天平空間位移測量將校準換算到天平體軸系( bcs )的六分量天平校準系統總體研製方案,並確定了詳細的技術指標。
  11. Namespace are excluded, thus making the digitally signed payload portable to different contexts

    名稱空間的明,從而使數字簽署的有效可以移植到不同的上下文中。
  12. In first part of the thesis, by a review of the research on aircraft sonic fatigue, the formulas for calculating natural frequencies of the typical aircraft skin - panel structure with four edges simply - supported or four edges fixed - supported were drawn, the response of displacement and stress was analysed under the condition of random white noise loading with the steady - state or unsteady - state. the procedure how to use data of s - n curve under constant loading for predicating the fatigue life of skin - panel subjected to random loading was shown

    通過對疲勞問題研究的回顧,根據典型飛機蒙皮壁板模型,整理了四邊固支,四邊簡支兩種邊界條件下多階模態固有頻率,非平穩及平穩隨機白噪聲載荷下的位移和應力響應,以及如何從等幅s ? n曲線求得隨機應力下的疲勞壽命。
  13. Subsequently, on the basis of theoretical analysis of the piezoelectric vibrator ' s electro - acoustic transduction embedded in concrete structure, it is concluded that the static force applies no influence on vibrator ' s transducing behaviors when it has been embedded in an unbroken concrete structure. this conclusion has been proved by

    通過對壓電元電換能的理論分析,得出在混凝土結構不被損毀的前提下,埋入混凝土中壓電元的電換能特性不隨混凝土結構所受靜的變化而變化,相應的測試實驗驗證了理論分析的結果。
  14. A study on the time domain signal simulation models of random acoustic loading

    隨機聲載荷時域信號模擬模型研究
  15. Computer simulation of optimum time domain control for random combustor acoustic loading

    航空發動機燃燒室聲載荷時域最佳控制的計算機模擬
  16. It is well known that the gear contact ratio has a close relation with the gears transmission error, contact pattern, load distribution, influences the gears meshing smooth, noise, dynamic strength and stiffness. based on development of the meshing theory, using tca, ltca and experiments, spiral bevel gears with high contact ratio are researched systematically

    眾所周知,齒輪的重合度與齒輪傳動誤差、接觸印痕與分配密切相關,進而影響到齒輪嚙合的平穩性、噪、動剛度與動強度等。
  17. Nevertheless, the widely existed overconstraints in the mechanisms will make the quality of the mechanisms very sensitive to the inevitable manufacturing, assembly errors ( especially, the errors resulted from the shape and position between kinematic pair elements and their axes ). at the same time, because the internal and external uncertain factors such as non - plane characteristic of dynamic parameters of links ( such as mass distribution, inertia forces, etc. ), bending and twist of links, and the changes of environment and operating condition are inevitable, they will form the disturbance to planar constraints and make them possess the characteristic of " uncertain "

    但是,平面連桿機構中廣泛存在的過約束,造成機構對製造、安裝誤差特別是運動副元素的形位誤差十分敏感;同時,由於不可避免的內部和外部不確定因素的影響,常常會造成機構運動的「障礙」及系統中某些構件的變形和運動副中的附加動,引起機械的振動、沖擊、噪等而導致機械的效率和工作性能的降低。
  18. The theoretical deduction in chapter 3 shows that the shape of load distribution used in the arithmetic is a decisive fact of the error margin size, the more the adoptive shape looks like the actual case, the smaller the error margin will be, therefore the tilt parabola shape can instead of the actual shape of load distribution in the permissible error margin when we predicting constant loading noise caused by the tail rotor of helicopter

    在第三章中通過理論推導和計算比較發現,在預測直升機尾槳定常時,其誤差大小取決于演算法中槳葉弦向分佈的數學描述與實際弦向分佈的吻合程度,而選取一種與實際弦向分佈較為相似的斜拋物線形來預測噪所導致的誤差是很小的。
  19. The specified works finished are listed : 1. with experimental load - displacement curves and acoustic emission technology, it was found that the material shows pseudo - plastic behavior under tensile loads and quasi - elastic behavior under the flexural loads

    通過斷裂試驗的位移曲線和發射檢測,發現了該材料的切口試樣在拉伸作用下表現為偽塑性的特徵;在彎曲作用下表現出準脆性的特徵。
  20. The design of the traversing trolley and dreving motor take the advantages of improved load distribution and lower noise. this sufficiently ensure the load to be handled raidly and accurately

    運行小車和驅動電機的設計使分佈均勻,運行平穩,噪低,充分保證迅速準確吊動到位。
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