有效沖擊響應 的英文怎麼說
中文拼音 [yǒuxiàochōngjīxiǎngyīng]
有效沖擊響應
英文
fir finite impusle response-
The strength of convergent shock was enhanced in cylindrical and spherical geometries than in planar geometry. the bubble became more wide and big and the spike became more narrow and long. it showed in spherical implosion that the spike close to the symmetrical axis grew faster than the ring one away from the symmetrical axis
第四，利用lared一s程序模擬柱和球幾何內爆過程中rt不穩定性增長，表明收縮幾何效應對內爆過程中不穩定性的增長有重要影響，柱和球幾何中聚心沖擊波的強度大於平面情況，氣泡變得更加寬而大，而尖頂變得更加細而長。Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm
接著，專門利用一個章節闡述了dvb - c前端調制系統原理，他們了差錯控制技術、多進制調制（ mqam ） 、 nyquist準則與平方根升餘弦濾波器、有限沖擊響應濾波器的窗函數設計法、多抽樣率信號處理包括（整數倍內插原理、分數倍抽樣率轉換、網路結構的等效結構、濾波器的多相表示、內插器的多相表示、抽樣率轉換的多級實現） 、分散式演算法、 cic濾波器、直接數字頻率合成（ dds ） 、 cordic演算法。An automated de - noising algorithm based on the energy of wavelet packet not donoho ' s threshold algorithm is established. a gear feature vibration signal extraction method using the wavelet packet energy is proposed, which can separate gear meshing vibration, noise vibration and gear fault vibration signal from the original gearbox case vibration signal. basis pursuit ( bp ) algorithm is introduced into the filed of mechanical signal de - noising and feature extraction for the first time
第三章擺脫了donoho的閾值消噪思想，從能量的角度建立了基於小波包的自動消噪演算法；提出基於小波包能量分佈的齒輪故障特徵信號提取方法，可以將齒輪嚙合振動信號、干擾振動信號以及故障沖擊振動信號從原始齒輪振動信號中分離出來；首次將基追蹤消噪演算法引入到機械故障信號的消噪與特徵提取上，通過對齒輪故障信號的消噪，表明了它的有效性，並對影響該方法實際應用效果的因素進行了全面的分析，同時也指出了該方法存在的局限性。The validity of the expression was verified by the instrumented impact test and caustic test results for hq785c steel
分別採用受慣性效應影響的示波沖擊試驗及無慣性效應的焦散線技術對hq785c鋼進行了動態測試，驗證了修正公式的有效性。Using the complex potential method in the plane theory of elasticity of an anisotropic body, the series solution of finite anisotropic thin plate containing an elliptical inclusion is proposed with the help of faber series. a hybrid element with an elliptical inclusion for anisotropic materials is obtained by using the hybrid variable principle, and the element efficiency is verified by numerical examples. the state of the damage is modeled by an elliptical soft inclusion, and using the point stress criterion based on characteristic curve and yamada - sun etc. criteria, the prediction of the strength of a composite laminate with damage is set up
首先基於經典層板理論，將復合材料層板的彈性問題化歸為均勻各向異性板來求解；採用各向異性體平面彈性理論中的復勢方法，以faber級數為工具，給出了有限大含橢圓核各向異性板彈性問題的級數解形式；利用雜交變分原理，成功導出含橢圓核各向異性板雜交應力有限元，並用算例驗證了該單元的可行性和有效性；採用含剛度折減橢圓形彈性核的沖擊損傷模型，引入基於特徵曲線和yamada - sun破壞準則的點應力判據，建立了含損傷復合材料層板剩餘強度的分析方法；通過數值計算詳細討論了各種幾何參數對損傷層板應力分佈、剩餘強度的影響，得到了一系列對工程應用具有實用價值的結論。Through the simulation of the forming process, we can get the deformations, stress, strain, plastic flowing in sheets and the interface state under impact load and rolling load, the deformation of the sawtooth form and comparing to the initial state, the results above are expressed in computer animated way. and the effect of geometrical ( mainly different form, including 90 degree, isoceles triangle ， 75 degree, and 1. 5 high and wide ), material and technical parameters on the bond strength are analyzed, also including the comparison of different sawtooth form. the optimum parameters are got
對雙金屬復合板成型過程進行模擬，從而得到在沖擊載荷和軋輥壓力作用下基板和覆板的應力、應變分佈和塑性流動變形規律，復合后的齒形的變形情況與初始齒形形成對比，以動畫的方式模擬成型過程，並分析了不同幾何參數（主要是不同的齒型，其中包括直角齒型、等腰齒型、 75度齒型、 1 . 5高寬齒型） 、材料參數、工藝參數對復合強度的影響，以及不同齒型的變形對比以及齒型對復合情況的影響，提出最優齒型、最優工藝參數，有效地指導了實驗。The algorithm used to generate the time - history shock waveform can satisfy srs accuracy requirement, and can be a reference for the researchers who develop the control software for the srs test
計算結果表明所提演算法是有效的，所合成的時域沖擊波形能夠滿足參考沖擊響應譜的精度要求，為開發沖擊譜試驗的控制軟體研究者提供了一種思路。Non - tradable shares holders obtain the the right to trade through payment of consideration in various ways in share - trading reform, such as in a method of payment of cash, in a method of scrip issue or reduction of shares, in a method of issuing call warrants or put warrants, in a method of presenting the shares formed from the shares or dividends increased or distributed with a listed company ’ s capital reserve to holders of tradable shares, in a method of contributing high - quality assets to a listed company, exempting the listed company ’ s debts, or assuming debts on behalf of the listed company, in a method of promise
隨著股權分置改革的全面展開，這一影響還將繼續。本文正是利用事件研究的方法，就「對價」方案的公布與實施對市場的沖擊進行實證分析，進而綜合股權分置改革「對價」市場效應分析，對投資者和管理層提出了建議，不僅具有很高的理論價值，而且具有重要的現實意義。全文分為三章，其中前兩章是論文的基礎，第三章是論文的重點。In practical engineering, reasonable solution of some important and key problems in common, such as the stability of the side slope in the explosion of water conservation construction ; using explosion to improve the productivity in oil production etc., require the thoroughly research on the dynamic mechanics of fluid - saturated porous media under impacting loading from the theories, numerical simulations and experiments
在實際的工程應用中，重大水利工程爆破施工時巖土邊坡的穩定性問題；採用爆破技術在油層中製造沖擊波以提高出油率時油層中的響應，以確定爆炸工藝對提高石油生產率的有效性等關鍵性技術問題的解決都要求對含有液體的多孔介質在動載荷作用下的力學行為進行深入的理論、數值和實驗研究。On the basis of previous work, we developed a new data processing system by use of dsp & oop. the new system overcame the problems existed in the old data processing system successfully, such as the bug which cause program dead loop when the data is too long, and the frequency leak due to principle limit of fft filter. in addition, we eliminated the measurement error brought on by phase warp
我們在前人的工作基礎上，利用現代數字信號處理技術和面向對象的軟體開發技術，統一了彈上黑匣子數據處理系統的操作平臺，完善了轉速、掃描角測試數據處理系統，修正了原有處理程序中的因數據長度過長而導致程序死鎖的bug ；利用有限沖擊響應（ fir ）濾波器，在濾去噪聲的同時，有效地解決了矩形窗fft濾波的頻譜泄漏問題；另外還解決了因相位偏差而導致的測試誤差。Abstract : based on spline function method, the spline finite element formulation for the contact - impact problems is proposed. in order to get the formulation, the b3 spline function is used to distribute the contact problem, and numerical examples are analyzed to show the effectiveness of the method. because the spline function has double characteristics including analytical and numerical, and good continuity and high correctness, a little unknown number and high efficiency, the spline functions are used to set the displacement of the bar, and the whole structure equations are constructed directly. it is convenient to analyze dynamic response of the structure by using the method
文摘:用樣條有限元法分析了桿的接觸沖擊動力響應問題，建立了計算格式，並用算例說明該方法的有效性.該方法充分利用了樣條函數的解析和數值雙重性及連續性強的優點來構造桿的位移函數，因此可推廣應用於分析結構在沖擊荷載下的動力響應問題Started from the fact that the " three forces " exert great impact on the five countries in central - asia and direct threat to the political stability in our country ' s neighboring regions, the end of the thesis advances that related measures should be formulated to strictly prevent and strike the " three forces " form the view of keeping the stability of the remote areas, meanwhile, more research should be done on the factors that may influence the developing western area by the neighboring countries with the view of global politics and new development in the new era and grasping the historic opportunities of developing western area, so as to shape a sound neighboring environment, safeguarding the strategy of developing western area being smoothly carried on, accelerating the economic development in the western area and raising people ' s living standard in the true meaning
結語部分從「三股勢力」對中亞各國形成的強烈沖擊及直接威脅我國周邊地區政治穩定的事實出發，強調從維護邊疆穩定角度，應該制定相應的措施嚴密防範，對「三股勢力」進行嚴厲打擊，同時要從全球政治和新世紀發展的角度認識並抓住西部大開發的歷史機遇，加大對我國周邊國家影響西部大開發諸多因素的研究，營造良好的周邊環境，保障西部大開發戰略的順利實施，從而加速西部地區的經濟發展，真正提高人民的生活水平。只有這樣，才能增強我們多民族國家凝聚力，有效地抵禦各種勢力的滲透和影響。The mexican banking crisis of 1995 - 96 supports the policy implications of the " vulnerability - shocks " paradigm : developing countries should identify the specific causes of their banking systems vulnerability and implement the appropriate financial reforms ; fragile banking systems complicate the management of macroeconomic policy in terms of timing, scope, and effectiveness ; macroeconomic considerations should play an important role in the design of bank regulatory regimes ; effective deposit insurance systems should be established in order to reduce bank runs and moral hazards of both bankers and depositors ; considering the apparent role of lending booms in creating vulnerability of banking systems, the authorities should monitor the rate of credit growth, and take measures when it appears to be growing too rapidly
墨西哥銀行危機印證了「脆弱與沖擊」銀行危機解釋模式的政策含義：發展中國家應針對銀行體系脆弱性的具體原因，採取相應改革措施；銀行業的脆弱性對經濟改革政策的選擇、實施時機和實施效果均會產生重要影響；應根據宏觀經濟波動程度，確定適當的銀行審慎監管指標水平；建立有效的存款保險制度；應監督銀行信貸的擴張速度，在必要時通過實施相應的宏觀經濟政策來限制銀行的信貸擴張。從這次銀行危機中我們主要可以得出兩點結論。The response that the arm frame is affected by different brunt load is observed through changing the peak of brunt load. so lowing the dynamic load ' s peak is a mean to solve the problem that vibration is too big
通過改變油缸沖擊作用的峰值，觀察臂架機構在不同油缸沖擊載荷作用下的響應，可知減小泵車油缸沖擊峰值也是減小臂架振動的有效途徑之一。The dynamic plastic response for a pinned rigid plastic beam subjected to an arbitrary impulsive distributed load was investigated. the effect of strain hardening and strain rate sensitivity was ignored. the yielding curve was assumed to be rectangular
採用剛塑性假定，忽略應變強化效應和應變率的效應並考慮由於有限變形而導致的軸力的影響，研究任意時間歷程沖擊載荷作用下簡支梁的塑性動力響應問題。分享友人