distortion coefficient 中文意思是什麼

distortion coefficient 解釋
失真系數
  • 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
  • coefficient : adj. 共同作用的。n. 1. 共同作用;協同因素。2. 【數,物】系數,率;程度。
  1. The variations of distortion coefficient of ultrasonic pulse frequency spectra at defective zone in concrete

    超聲頻譜畸變系數在混凝土缺陷區的變化
  2. Based on the geophone vibration formula, this paper presents the affective factors to the seismic data from high resolution geophone arrays and its main property specifications, such as natural frequency, damping coefficient, sensitivity, harmonic distortion, and alias

    為此,從檢波器的振動方程出發,對高解析度地震檢波器性能指標(如自頻率、阻尼系數、靈敏度、諧波失真、假頻等)以及檢波器組合的連接方式對地震資料品質的影響進行了分析。
  3. The results prove that : ( 1 ) when the mach number of the flow at the exit increases, the total pressure recovery decreases, and the circular steady total pressure distortion coefficient, turbulence intensity and synthesis distortion increase

    研究結果表明: ( 1 )地面工作狀態下,隨著出口馬赫數的增加,蛇形進氣道出口截面的總壓恢復系數不斷下降,而穩態周向畸變指數、紊流度和綜合畸變指數均上升,穩態徑向畸變指數變化不大。
  4. As the content of vermiculite minerals was about 3 %, the impact strength ( nick ), the flexural strength and the heat distortion temperature ( hdt ) of the nanocomposites all were the lowest and decreased 21 %, 28 %, 3c, respectively. compared with those of the polybenzoxazine ( bisphenol a type ), its thermal expanded coefficient ( tec ) was 3. 4 % bigger than that of the polybenzoxazine ( bisphenol a type )

    雙酚a型ben蛭石納米復合材料的力學性能和熱性能表現出明顯的結構特徵,普遍地低於純樹脂的性能數值,而優于雙酚a型ben金雲母復合約zi和zs 「熱變形溫度dt )低約3 ,線膨脹系數高約3
  5. This paper put forward a method of using amending sine value in the spwm sine table. this method can correct the distortion of the output voltage waveform, which resulted from the dead time used to the voltage type whole bridge main circuit. the inverter system adopts digital fuzzy controller with feed forward correction and which proportion coefficient and integral coefficient is changeable, so dynamic response is improved

    本文提出了一種採用修補spwm正弦表值的方法,用以改善電壓型全橋逆變主電路因上下橋的功率器件切換時先關斷后導通的死區時間而引起的輸出電壓波形畸變;逆變系統採用帶前饋校正的變比例變積分系數的模糊控制器,提高了系統的動態響應指標;系統設計了完善的保護措施,並具有市電電網的故障診斷功能。
  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. When the serpentine inlet is running at the exit mach number ma ( subscript e ) = 0. 45, the total pressure recovery coefficient equals 0. 90, and synthesis distortion equals 13. 85 %

    本研究的蛇形進氣道在出口馬赫數為0 . 45時,總壓恢復系數為0 . 90 ,綜合畸變指數為13 . 85 % ,總壓恢復較低,畸變較大,超出了一般航空發動機的承受范圍。
  8. The node force corresponding to damp was used to control the mesh distortion. numerical studies show that the method proposed by this paper can successfully control the severe distortion of mesh and retain the density of elements during the membrane form - finding when the damp viscosity coefficient is in a limited scale. especially this method can avoid the sparseness of mesh in the location of lower curvature and have good convergence characteristic

    同時針對找形分析中的動力鬆弛格式,本文提出了全新的控制網格變形的動力鬆弛法,此方法能夠有效地解決膜結構找形分析中網格的大變形問題,克服了在曲率較小處網格過于稀疏的缺陷,在曲率較小處保證了單元的密度和初始構形的精度,並且收斂性較好,為準確進行荷載分析和裁剪分析奠定了基礎。
  9. Firstly, the distortion of rolled piece and the designing method in the beforehand slit pass and slit pass has been analyzed. secondly, based on the research production of predecessor and research of the author, card system selected some corresponding experience formulas such as roll force, roll moment, roll temperature and roll consume, and established spread model in the beforehand slit pass and slit pass and the distribution model of elongation coefficient. subsequently, card system applied the dynamic programming method with minimum roll consume and optimized its pass system

    本文以圓鋼雙線切分為基本實體模型,著重分析了預切分孔型和切分孔型在軋制過程中的變形特點及相應的孔型設計方法;基於前人的研究成果及作者的探索,選擇了相應的軋制力、軋制力矩、溫度及能耗模型,建立了預切分和切分的寬展及延伸系數的分配模型;應用動態規劃法以能耗最小為目標函數對孔型系統進行了優化設計;利用visualbasic6 . 0和microsoftaccess數據庫的連接,建立了數據查詢系統,以visualbasic6 . 0和autocad之間的介面在vb環境下完成了斷面孔型圖的繪制。
  10. Design and implementation of measurement scheme for distortion coefficient

    失真度測量方案設計及實施
  11. Channel distortion coefficient

    通路非線性失真系數
  12. And the demarcating task of high - resolution general digital camera is to measure the interior position elements and the optical lens distortion coefficient

    而對于較高解析度的普通數碼相機的標定任務是測定內方位元素及物鏡畸變系數。
  13. The results of experiment indicate the precision of the interior position elements and optical lens distortion coefficient of the digital camera reaches the design requirement and meets the close shot photogrammetry requisition for the general digital camera, so this camera can be used in the close shot photogrammetry

    實驗結果表明,數碼相機的內方位元素及物鏡畸變系數的精度均已達到設計的要求,滿足近景攝影測量對普通數碼相機的要求,故被標定的相機可用於近景攝影測量。
  14. Coefficient of radial distortion

    徑向畸變系數
  15. Taking the hydrostatic equilibrium of axial force of pump dm360 as the example, this paper elaborates design calculation and dynamic - static characteristic analysis of hydrostatic bearing with twisting plate throttle, derives design parameters and formulas of bearing structure, discusses effects of various main factors ( oil viscosity, compressibility, distortion coefficient of twisting plate, pressure of oil source, and bearing clearance ) on dynamic characteristic, and obtains some conclusions about the application of hydrostatic bearing in engineering practice

    本文以dm360型泵軸向力的液體靜壓支承平衡為例,對扭板節流靜壓支承的設計計算和動靜態特性分析進行了較為詳盡的闡述,推導出支承結構的設計參數和公式,討論了各種主要因素(油液的粘度、油液的可壓縮性、扭板變形系數、供油壓力、支承間隙)對支承動態特性的影響,給出了一些結論。
  16. Coefficient of rotational distortion

    旋轉畸變系數
  17. Based on the biot ' s effective stress theory, and with the method of numerical value experiment, the thesis has studied the microcosmic mechanism of affecting the effective stress coefficient, i. e the microcosmic mechanism of effective stress law by using the elasticity distortion ' s simulating software which is compiled with the method of finite elements. it has been done from the two aspects of affecting the elasticity distortion of rock comprising the insides causation which is the existing configuration of hole and cranny in rock and the outsides causation include the outside pressure and the liquid pressure inside the rock

    本文基於比奧的有效應力原理,利用有限單元法的彈性變形模擬軟體,通過數值實驗的方法,從影響巖石變形的內、外兩方面的因素?即內在孔隙裂隙賦存形態和其所受的外載荷及孔隙流體壓力出發,研究了影響有效應力系數變化的細觀機理,即有效應力規律的細觀機理。
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