residual distortion 中文意思是什麼

residual distortion 解釋
殘余畸變
  • residual : adj 殘余的,剩下的;殘留的;殘渣的;未加說明的;【數學】殘數的,留數的。n 1 殘余;【數學】殘數,...
  • distortion : n. 1. 歪扭,扭曲。2. 【電學】(信號、波形等的)失真;【物理學】(透鏡成像產生的)畸變;【醫學】扭轉,變形。3. 竄改,歪曲,曲解。adj. -al
  1. The study work in the dissertation is an important part of the tenth five - year defence advanced research project of “ study on control technology of the machining distortion for complex structure parts ” supported by pla general armament department of china. theoretical analysis and experimental study are carried out on the initial residual stresses and their effects on milling distortion for thick aero - aluminum - alloy plate

    本文作為總裝備部「十五」預研項目「復雜結構件加工變形控制技術研究」的主要組成部分,以航空鋁合金厚板為對象,研究重點定位在其初始殘余應力分佈規律及其對數控銑削加工變形的影響。
  2. Friction stir welding process can improve mechanical properties as well as decrease distortion and residual stress

    採用攪拌摩擦焊連接鎂合金可以避免熔焊時產生的焊接缺陷,且具有焊后變形小、殘余應力小等優點。
  3. Residual stresses not only result in unexpected machining distortion, but also increases the possibility of unpredicted fatigue failures and stress corrosion cracks ( scc )

    殘余應力的存在直接影響構件的疲勞強度、抗應力腐蝕性能及尺寸穩定性,並導致后續機械加工過程中產生變形。
  4. In signal space, speech enhancement is adopted to effectively suppress the noise and increase the discriminative information embedded in noisy speech signal. however, the speech distortion introduced by enhancement, as well as the residual noise, is a very adverse factor for recognition

    在信號空間,利用語音增強有效抑制噪聲,提高輸入信號中的鑒別信息,但增強帶來的語音失真和增強后的剩餘噪聲是對語音識別非常不利的因素。
  5. Farther, applying the simulating method of the experimental plate validated by experiment, according to the processing of underside machining, top surface machining, and different machining sequences of the different trough on the scale component, the different machining processes of the scale component are simulated, its different distortion values caused by residual stress are get

    研究了隔框比例件在不同材料去除過程中由殘余應力釋放引起的變形問題。對底面加工、槽面加工時殘余應力釋放引起的變形進行數值模擬,得到了殘余應力對隔框構件加工變形影響最小的材料去除方式。
  6. It was found that the interfacial bonding of 93w - ofc was both the joining action of ofc / w grains and that of ofc / ni - fe binders, whereas the joining of ofc to tc4 could be seen as the mutual intense diffusion effect between ofc / tc4 and as a result cu - ti intermetallic compounds were formed at the joint. the joining of tc4 - a1 and a1 - mb2 were also attributed to the result of diffusion between elements ti - al and al - mg respectively. on the other hand, residual thermal stress and stress - induced distortion were produced at the joint simultaneously due to the difference in thermal expansion coefficient of different welding " materials

    研究表明, 93w與ofc的界面連接是ofc與93w中w晶粒的連接以及ofc與93w中ni - fe粘接劑的連接共同作用的結果; ofc與tc _ 4連接界面的形成是由於ofc與tc _ 4之間發生反應擴散,並由此在二者接頭處生成了cu - ti金屬間化合物的中間相; tc _ 4 - al的連接與al - mb _ 2的連接則分別是其基體元素ti 、 al之間和al 、 mg之間元素互擴散的結果,另外,由於熱膨脹系數的差異,擴散焊接后在不同焊件的接頭處存在殘余熱應力並由此引起接頭的形變。
  7. More, residual stresses of the plate relieved by stretching distortion are simulated. otherwise it is compared between the simulating results and the experimental results of the literatures, they are good agreed

    對機械拉伸法消除鋁合金板材殘余應力進行了模擬研究,將研究結果與相關文獻實驗結果作了比較驗證,取得了較好的一致性。
  8. Some machining cases are simulated by using of the fem model. the machining distortion caused by residual stress are analyzed and summarized using the simulation results

    對實例進行了模擬計算,分析了殘余應力引起的加工變形規律,為三維銑削變形分析奠定了基礎。
  9. It can be concluded after analysis that the speech distortion and the residual noise can be approximately regarded as multiplicative noise and additive noise, respectively. thus, we use a parallel model combination ( pmc ) algorithm, which is deployed in model space, to adapt the parameters of speech models to compensate the residual noise, or we use a cepstral mean normalization ( cmn ) algorithm in feature space to compensate both the speech distortion and the residual noise

    分析表明,語音失真和剩餘噪聲可近似看作乘性噪聲和加性噪聲,因此可在模型空間利用并行模型合併( pmc )演算法通過調整模型參數對剩餘噪聲進行補償,或者在特徵空間利用倒譜均值歸一化( cmn )演算法對語音失真和剩餘噪聲同時進行補償。
  10. The key problems in 2d fem simulation such as the initial stress loading, simulation of material removal, constraint transformation, etc. are solved, and 2d fem simulation model is built to analyze the milling distortion caused by the residual stress

    解決了初始應力加載、材料去除模擬、約束轉換等模擬關鍵技術,建立了殘余應力引起銑削變形的二維有限元模擬模型。用解析法對模型的有效性進行了驗證。
  11. The main studying of this dissertation is about cubic analog predistorer, digital predistortion linearizer based on look - up table ( lut ) technology and feedforward - predistortion linearization system. the original work and valuable results in this dissertation are as follows. 1. a novel third - order distortion generator which can suppress the residual second - order intermodulation distortion ( imd2 ) is presented

    本論文的研究分別涉及三階模擬預失真系統、查找表預失真系統和前饋預失真系統,其中有創新和有價值的工作主要體現在以下三個方面: 1 :對于採用二極體反向平行對的三階模擬預失真系統,本文提出了一種可以抑制駐留二階交調( imd2 )信號的新型三階擾動器。
  12. This new distortion generator uses a feedback circuit network composed of diodes and resistors to balance the residual imd2 component. a theoretical study is carried out and basic feature of this generator is analyzed

    該擾動器通過一個由二極體和電阻組成的反饋網路來平衡駐留imd2信號,本文理論分析了其基本原理並模擬研究了其性能特點。
  13. Finally, the technic route for the research of milling distortion is proposed. in chapter 4, the effect of tool path and clamping schemes on residual stresses as well as machining distortion are analyzed by using three - dimensional elastic - plastic fem ( finite element method ). the distortion variation tendency under four typical tool paths, the pressing - plate clamping and stretched fixation is obtained respectively

    第四章基於上述理論基礎,利用三維彈塑性有限元技術分析了走刀路徑和裝夾方案對銑削加工殘余應力分佈和變形的影響,得到了四種典型的走刀路徑以及壓板式裝夾和拉伸裝夾對加工變形的影響趨勢。
  14. Mechanism of the milling distortion caused by initial residual stress of workpiece is analyzed. formulae of stress re - distribution and distortion by stress releasing during milling process are deduced by elasticity theory. the calculation software is developed for the formulae

    3 、工件初始殘余應力引起銑削變形的機理分析應用彈性力學理論推導出了二維連續銑削過程中工件內應力再分佈及其引起變形的計算遞推公式,並編制了計算軟體。
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