畸變計 的英文怎麼說

中文拼音 [biàn]
畸變計 英文
disstortion-meter
  • : Ⅰ形容詞1 (偏) lopsided; unbalanced2 (不正常的; 不規則的)irregular; abnormalⅡ名詞[書面語] (零...
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  1. In the design and application of electronic engineering, both in open circuit and in closed circuit, signal is certainly affected by environment, the status of the transport network and the change of the parameters of the components applied. then the characters of useful information will be changed more or less and the change is generally called as distortion, namely so - called signal distortion

    =在電子工程的設和應用中,信號無論在開路傳輸或閉路傳輸中都受到環境、傳輸網路的工作狀態和應用的元器件參數化的影響,從而會或多或少地改有用信息的性質,這種化就是所謂的信號現象,通常稱作失真。
  2. Image coordinate and galvanometer pendular angle are kept in the computer according to the f9 field lens characteristic, enter pupil excursion and f6 characteristic error are ignored, that the image of laser scanning point move acceding to unlinearity relation is deduced theoretically. for deducing the distortion, error compensation is considered in the software

    像點坐標與振鏡擺角按f物鏡特性的線性關系存儲在算機,在忽略了入瞳漂移和f特性誤差后,從理論上推導出二維垂直振鏡分佈中激光束掃描點的像點按照復雜的非線性關系運動,為了減少幾何,在軟體設中給出誤差補償。
  3. To reduce the marking distortion, using the vertical 2 - dimension galvanometer distributing and f field lens focalize, the distance of the second galvanometer to the machining plane is the focus f. to avoid too hign temperature to distroy the resonance cavity because of too long marking time, cooling system and self - protector is used in the design

    為減少打標,採用垂直二維振鏡分佈, f物鏡聚焦,將激光束經第二個振鏡反射後到加工平面的距離為焦距f ,為了避免打標時間過長,溫度過高破壞諧振腔,在設中加上冷卻系統和自我保護裝置。
  4. Developing the lithography process models to properly characterize critical dimension ( cd ) variations caused by proximity effects and distortions introduced by patterning tool, reticule, resist exposure, development and etching, they are beneficial to develop a yield - driven layout design tool, the engineers could use it to automate the tasks of advanced mask design, verification and inspection in deep sub - micron semiconductor manufacturing

    建立準確描述由於掩模製造工藝、光刻膠曝光、顯影、蝕刻所引起的光學鄰近效應和所導致的關鍵尺寸化的光刻工藝模型,有助於開發由成品率驅動的版圖設工具,自動地實現深亞微米下半導體製造中先進的掩模設、驗證和檢查等任務。
  5. Abstract : to decrease bending and twist deformation of non - sym metry extruded sections, a new conception of local extrusion ratio and die band ratio has been set up, and also the formulas for the place of die hole on the ba sis of simulating test

    文摘:為減小非對稱型材擠壓的彎扭,在試驗研究的基礎上,建立了局部擠壓比、擠壓帶系數的概念,擠壓筒中心與擠壓模孔型中心相對位置的算式。
  6. 12 orrite c, blecua s, herrero j e. shape matching of partially occluded curves invariant under projective transformation. computer vision and image understanding, 2004, 93 : 34 - 64

    此外,匹配的特徵相似性度量結合了非均勻有理b樣條的和局部的圖形窗口交叉相關性,從而融合了幾何結構和圖像灰度的相似性。
  7. In actual engineering problems such as metal forming, structure crashworthiness et al., there are a great number of interface problems with elasto - plastic large deformation. when such large deformation or distortion is solved by finite element method, it must remesh process must be developed to get the less accurate numerical result

    在金屬成型、結構碰撞、穿甲等工程領域存在大量的彈塑性大形接觸問題,用有限元法模擬這些過程時,由於的存在,往往需要採用網格重劃分才能得到較為準確的算結果。
  8. The theoretical research, computer simulation and experimental results analysis show that maskless laser interferometric lithography and holographic lithography have the characteristics of large field of view, high resolution, distortionless, relatively simple system structure, low costs and convenient realization way. they have a broad application prospect

    激光干涉光刻技術研究四川大學博士學位論文理論研究、算模擬和實驗結果分析表明,無掩模激光干涉光刻和全息光刻具有大視場、高解析度、無、系統相對簡單、成本較低,實現方便等特點,具有廣闊的應用前景。
  9. In this paper, a method assessing harmonic impedance by synchronously layered distortion waves is proposed, which is based on the " fluctuations method " - a simple and effective means. however the method is based on the fourier transform, which can just precisely analyze the signals whose cycle is integer times as broad as that of fundamental wave. with sampling windows widening, the variations of distorted signals in a fundamental period are weakened

    本文是以一種被廣泛採用的非干預式諧波阻抗估方法? ? 「波動量」法,的基礎上,針對現有方法以直接的fourier換為分析工具,只能對基波周期的整數倍窗口采樣信號進行分析,信號在一個基波周期內的化隨采樣窗口增大而被弱化,並且,諧波次數越高,解析度就越低,大大限制了諧波阻抗估的準確性的提高。
  10. Moreover, the higher harmonic order is, the lower distinguishability, and, as a result, the assessment accuracy becomes bad. considered its prominent localization both in time - domain and in frequency - domain, wavelet is used to the field of assessing harmonic impedance for the first time. we choose chaari wavelet because of its special band frequency characteristic, which can stratify signals synchronously and locate the distortion time precisely in assessing harmonic impedance

    選取chaari小波為母小波,利用其特殊的帶通特性,對在公共連接點( pcc )采樣得到的電壓,電流波形進行同步分層, 「突出」信號的部分,提高了被分析信號的「信噪比」 ,以利於諧波阻抗估準確度的提高。
  11. Abstract : in this paper, starting from the generalized huygens - fresnel diffraction integral and b - integral definition, and based on the statistical - optics method, the nonlinear propagation properties of laser beams with amplitude modulations and phase fluctuations have been studied in detail

    文摘:廣義惠更斯-菲涅耳衍射積分和b積分定義出發,並利用統光學方法,對有振幅調制和位相光束的非線性傳輸特性作了詳細研究。
  12. R the theoretical analysis ignored the distortion of the section and worked out the equations of displacement, loading capacity by means of energy method

    理論分析忽略形后截面,採用能量法,推導出檁條的位移、承載力的算公式。
  13. A cyclic radial shearing interferometer was used to diagnose the wavefront distortion of a laser system and an lcslm ( liquid crysnd spatial ligh modulator ) was used to control it. some results have been summarized as follows : l. according to the theory of scalar quanity diffeaction and the model of the random gaussian phase screen of low frequency wavefront, the effect of the low frequency wavefront with different rms gradient on the focal spot of a laser beam was studied

    本論文在激光光束波前檢測和控制上進行了新的探索,主要就空間相位調制環路徑向剪切干涉儀以及它對波前的檢測和液晶空間光調制器及其對中頻段波前的控制進行了研究,其研究的內容和取得的成果如下:一、根據標量衍射理論,結合低頻波前的高斯隨機位相分佈模型,研究了不同均方根梯度低頻波前對激光光束焦斑聚焦性的影響,並採用描述中頻段波前的功率譜密度概念,模擬算了它對激光焦斑旁瓣的貢獻。
  14. This paper focuses on the control strategies to improve the performance of the three - phase ac - dc pwm voltage - source - converters ( vsr ) under unbalanced power supply. the problems such as negative sequences current, voltage and current harmonics and un - constant ( un - smooth ) power flow from ac to dc side are discussed in this paper. the analytical solutions for negative sequence current and harmonic current elimination are obtained by fully feed - forward of negative sequence voltage and producing a non - harmonic current command of the inner - loop

    電網不平衡時,基於電網平衡為約束條件設的三相vsr將出現不正常運行狀態,比如三相vsr交流電流中出現負序分量,使交流電流嚴重不對稱;直流電壓和交流電流中出現非特徵諧波分量,使直流電壓和交流電流波形發生嚴重;三相vsr從電網吸收不平衡的瞬時功率等一系列問題。
  15. In general, delayed or distorted pulses, excessive plateau slope, raised working voltage, or failure to count at all are likely results of negative ion formation.

    一般說來,延遲或脈、過度的坪斜、工作電壓的升高和不能數,都可能是負離子形成的結果。
  16. Based on the above theories, two softwares were developed for continuously shot input images and random shot input images. the softwares are with the ability of recognizing true and false objects, estimating the pose of the true objects and calculating the recognition probability of both true object and false object in the input image sequence

    基於以上原理,開發了針對連續拍攝的待識別圖像序列和隨機拍攝的圖像序列識別的應用程序,實現了旋轉識別和對真目標旋轉姿態的估以及待識別圖像序列中識別為真目標和假目標的概率的算。
  17. 2, the optimal designed digital matched spatial filter ( dmsf ) was used to perform real - time optical correlation, which not only has the merit of large storage and renewability as well as common digital filter, but also has the virtue of high correlation s / n which the holographic optical filer owns

    2 、優化設的數字空間匹配濾波器,既有數字濾波器的大存儲容量並可實時刷新的特點,又有全息光學濾波器高相關s n的優點。對于處于嚴重背景噪聲干擾下的多個目標,也可獲得高相關s n 。
  18. The error of the calculation methods used in this paper is estimated by comparing the calculation results of ge, gap, gaas arid inp with their experimental results. the error due to ignoring the lattice aberration causing by substitutional atoms is also discussed. the way to increase the accuracy is discussed

    通過比較ge 、 gap 、 gaas和inp的算結果和實驗結果之間的差別,對該方法的算誤差進行了估算,分析了由於忽略雜原子取代所導致的晶格產生的誤差,並提出了解決辦法。
  19. The data got from the shooting tests, conversed by the theory of similitude and eliminated the system errors, were compared with the data from the approval test in the national shooting field. it verified that the full parameters artillery physical simulation theory was right. it verified that the huge rate model design and madding methods were reliable

    把模型炮實驗獲得的數據,按相似理論換算,並消除相似帶來的試驗誤差后,與原型炮在國家靶場定型試驗的結果比較,證明了創建的火炮全參數物理模擬理論的正確性;證明所採取的大比例縮尺模型的設方法和製造手段的可靠性;證明用縮尺的模型炮代替副炮進行多項目綜合物理模擬試驗技術是成功的。
  20. 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;逆系統採用帶前饋校正的比例積分系數的模糊控制器,提高了系統的動態響應指標;系統設了完善的保護措施,並具有市電電網的故障診斷功能。
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