正畸變 的英文怎麼說

中文拼音 [zhēngbiàn]
正畸變 英文
pincushion distortion
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : Ⅰ形容詞1 (偏) lopsided; unbalanced2 (不正常的; 不規則的)irregular; abnormalⅡ名詞[書面語] (零...
  1. Tending to deviate, as from a normal or recognized type ; aberrant

    異的傾向于偏離,如從一個常的或被承認了的類型;
  2. The application of the empirical formula to practice is confirmed to be successful

    總結出了修正畸變的經驗公式,並在實際應用中取得了較好的效果。
  3. Alkaline phosphatase activity in gingival crevicular fluid during orthodontic tooth movement

    牙移動過程中齦溝液堿性磷酸酶活性的
  4. The detailed works are as follows : the finding patterns problems in the time - series data sequence are described, and a new trend logic expression method is introduced, and its algorithm and experiment result of algorithm are given ; time - scries data are disposed, and using the arctg. slope of line as the sample of pattern recognition, so ignoring the aberrance of pattern in the classified. in addition, a new time - series pattern finding algorithm based on higher - order neural network is put forward

    同時給出了本文的具體的工作,主要是:對在時序數據序列中發現模式問題進行了描述,並介紹了一種新的趨勢邏輯表示方法,給出了其演算法及演算法的實驗結果;對時序數據進行處理,提出了利用線段的斜率反切值作為模式識別的樣本,從而在分類時忽略模式的;另外,還提出了一個新的基於高階神經網路的時序模式發現演算法。
  5. The mutual inductor of electric current and voltage mutual inductor play an important role in relay protection. prevent from ct differential to protect and miss movement an important subject that the generatrix is protected on the saturation, put forward two electric current pass zero hour linear to spread person who become put into differential to protect in ct in recent years, avoid ct saturation district, can judge the bus bar trouble correctly

    但是在母線區外發生短路故障(特別是故障電流含有大量非周期分量)時, ct會出現飽和現象, ct飽和后,不能確地傳一次側電流,從而使二次電流發生嚴重,產生很大的差電流,這樣就容易引起誤動作。防止ct飽和時差動保護誤動作一直是母線保護的一個重要課題,近年來提出的在ct二次電流過零時的線性傳區投入差動保護,避開ct飽和區,能對母線故障做出確判斷。
  6. To make the image height of f - theta lens in proportional to the scanning angle, it is primary to introduce barrel distortion

    本質上f - theta鏡頭通過引入桶形,使得像高線性比于掃描角。
  7. In the digital inverter, we adopt the technology of digital dynamic waveform correction, which can compensate the delay between control signal and output waveform, and ensure the accuracy of control. at the same time, the technology of digital dc component adjustment was introduced, by which we can exactly compensate the control signal, and realize adjusting dc component of output on the premise of output performance

    在基於dsp的數字換器平臺中,採用全數字波形校技術,完全補償了控制信號延時、功率管開關延時以及死區時間對輸出spwm波形所產生的,充分保障了換器控制的準確性;採用數字直流分量調節技術,可以精確地對控制信號進行補償,在充分保證輸出性能的前提下,實現了輸出直流分量的調節。
  8. Influence of distorsion of digital camera ' s lens on precision of deformation supervising measurement and its remedy method

    數碼相機鏡頭形監測精度的影響及其改方法
  9. Because of the aberration of fish eye lens resulting from fabrication procedure, there exists serious geometrical distortion, which arises the problem of correcting the fish eye image

    由於魚眼鏡頭製造過程中產生的誤差等原因,所拍攝的圖像幾何還是比較嚴重的,這就產生了對魚眼圖像進行幾何校的問題。
  10. In the stage of calibration, we use the method which was presented by zhang zhengyou, to calibrate the single camera and rectify the lens distortion. furthermore, we use the method presented by fusiello to do the double cameras calibration and epipolar rectification

    在立體標定階段,本文採用張友的方法實現了單攝像機的標定並完成了圖像的修,進而採用fusiello的方法實現了雙攝像機的標定並完成了立體圖對的外極線校準。
  11. Abstract : the ever increasing number and power of polluting loads ( non - linear, time - variant loads and so on ) connected to the electric power network cause a significant distortion in the line voltage and line current

    文摘:電力系統電網中逐漸增多的「污染性」負荷(如非線性負荷、時負荷等)在使電網中的電流、電壓出現越來越多的、顯著的
  12. Spatial correction of the distorted license plate image of automobiles

    汽車牌照圖像的空間校
  13. 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計的三相vsr將出現不常運行狀態,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。
  14. The measurement and alteration of ordinary digital camera. it includes the correction of lens distortion of digital cameras, the computing of camera interior orientation parameters and pictures " exterior orientation parameters, and the evaluation of it ' s capability ; 2

    其中包括普通數碼影像差的改、數碼相機內方位元素的檢定、數碼近景攝影機的研製及外方位元素改值的確定、普通數碼相機量測化性能評價; 2
  15. With the development of modern industry, the nonlinear loads of power system are greatly increased. they absorb the non - sine current waves from power network and result in voltage aberrance. voltage aberrance makes the power quality severely deteriorate, endangers the safe and economical running of power system and affects some users ’ s normal work

    隨著現代工業的發展,電力系統中的非線性負荷大量增加,這些非線性負荷從電網吸收非弦電流,導致電網電壓發生,使電能質量嚴重惡化,危及電力系統安全和經濟運行,影響了用戶的常工作。
  16. Camera calibration technique based on rectification of image aberration

    基於圖像的攝像機標定方法
  17. Pian presented mix fem and hybrid fem in 1964. for its good capability in solving the irregular elements problems, incompressible material problems, and high precision in stress and strain results, the research of mix and hybrid fem is in the ascendant

    Pian於1964年基於hu - washizu分原理提出了雜交元和混合元方法,由於該方法在單元、不可壓縮性和應力應求解方面表現出優異的性能,目前的研究方興未艾。
  18. At the same time, image distortion is corrected by polynomial to handle expediently and the method of selecting reference points and the factor of influencing precision is discussed

    為了提高測量的易用性,標定過程中採用多項式來校圖像的,並討論了控制點的選取方法和影響標定精度的因素。
  19. Combining with local calibration, the distortion error of the optical system in the camera is corrected

    結合局部標定法,對攝象機光學系統的誤差進行校
  20. 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確性;證明所採取的大比例縮尺模型的設計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。
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