畸變系數 的英文怎麼說

中文拼音 [jībiànxìshǔ]
畸變系數 英文
deformation coefficient
  • 畸 : Ⅰ形容詞1 （偏） lopsided; unbalanced2 （不正常的; 不規則的）irregular; abnormalⅡ名詞[書面語] （零...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. A camera calibration method with co - line points is proposed, in which distortion center is located according to cross ratio invariability, and then distortion coefficients are calculated based on a line ' s central projection is a line

    摘要提出一種用共線點列標定攝像機鏡頭畸變參數的方法，先根據交叉比不變性確定畸變中心，再利用直線的中心投影仍為直線這一性質確定畸變系數。
  2. 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
  3. Dbw, sbw series single - phase and three - phase super power voltage regultor of new age having the advantages of large capacity, high efficiency, wide range, high precision, strong protection, without wave - form distortion, reliadle operation and casy installation, etc

    Sbw系列單、三相大功率電力穩壓器是我公司在參數照國際同類產品、結合我國國性的基礎上研製生產的新一代節能電力穩壓器，具有容量大、效率高、穩壓范圍寬、精度高、保護功能強、無波形畸變、運行可靠、維護簡便等特點。
  4. At present, the typic harmful current detection methods are the fast fourier transform algorithm in frequency domain and methods based on the instantaneous reactive power theory, these methods all require some transform and quick, real - time calculating, so high precision analog multipliers or high speed dsp chip with fast a / d are needed, this results in complex circuit and high cost ， which have restricted the development of apf

    目前畸變電流檢測常用的方法有頻域法的fft和基於瞬時無功理論的畸變電流檢測法。這些方法均有一定的變換，需要快速、實時運算，因此必須使用高速的數字微處理器和高性能a / d轉換器，這必將大大提高系統成本，使得電路結構復雜，在一定程度上限制了有源濾波器的發展。
  5. Based on the screened images, the vanishing point theory is used to carry on the experiment

    根據所攝得的影像，運用該標定方法進行實驗，測得數碼相機的內方位元素及物鏡畸變系數。
  6. 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畸變，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計算式。
  7. When there are struts at the divergent parts of inlet, the total pressure recovery coefficients and the kinetic energy coefficients of inlet decrease, and the flow distortion index increases obviously

    當進氣道擴壓段有側向支柱存在時，進氣道總壓恢復系數和動能系數均有所降低，而流場畸變指數則顯著增大。
  8. 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。
  9. As to the video signal, alarm signal, control signal, are all weak electricity signal, exceedingly easily be subjected to the jam, in case the power supply system does not steady, wave propag ation is greatly, the harmonic content of power source overtops, the veins wave factors are great unduly, and even power source equipment breakdown, outputting abnormal, will be about to affect the video signal image effect, and dependability cuts downs to the security and alarming system. we adopt fast fu lye ' s mutation rule - fft alternatives, by the way of carrying fft alternatives to the local junction circuit, regulated power supply, ups ' s power source, and switch power source, thereby diagnose every degree harmonious wave content of power souse, and abnormal coefficient, compared to the normal working situation. thereby diagnose out the working condition of the regulated power supply, ups ' s power source, and switch power source

    如果有供電系統不穩定、波動大，電源的諧波含量過高，紋波系數過大，乃至電源設備損壞、輸出異常等情況出現，將會嚴重影響視頻信號的圖像效果，大大降低防盜系統的穩定性和可靠性，我們採用快速傅利葉變換原理，即fft變換，通過對市電、穩壓電源、 ups電源、開關電源等的電壓信號進行fft變換，從而得出信號中各次諧波的含量及信號畸變系數，並將其與正常工況下的參數進行對比，從而進一步診斷出穩壓電源、 ups電源、開關電源等設備的運行狀況；組成監控系統的設備長期處于工作狀態，往往由於設備散熱條件不好、設備老化故障等原因導致設備表面溫度過高，從而影響設備的正常運行，降低設備的使用壽命。
  10. 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。
  11. The emulation indicates that only if some measures are adopted to decrease the projection points ' coordinate error, error of the distortion center would be less than 2 pixels and relative error of the distortion coefficients would be no more than 0. 1

    模擬表明，只要採用相應方法降低像點坐標的誤差，畸變中心的誤差小於2個像素，畸變系數的相對誤差不超過0 . 1 。
  12. Method of determining the distortion coefficients of camera lens for fringe projection measurement

    光條投影測量中一種確定攝像機鏡頭畸變系數的方法
  13. In this method, the camera calibration grid for estimating the distortion parameters is easy to get and there is no need to fix the camera when taking pictures

    利用交比不變的性質，擬合全視場的無畸變的虛擬網格，得到圖像點的偏差，從而計算出畸變系數。
  14. 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。
  15. Based on this algorithm a self - calibration approach taking account of camera two - degree radial distortion is proposed. the five intrinsic parameters and two - degree radial distortion coefficients can be calibrated by controlling the camera to undergo more than 4 translation motion which are not co - planar

    在此基礎上還提出了一種考慮二階徑向畸變的非線性自標定演算法，通過控制攝像機作四次不共面的純平移運動，可以標定攝像機的五個內參數和兩個徑向畸變系數。
  16. 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。
  17. Coefficient of radial distortion

    徑向畸變系數
  18. Coefficient of rotational distortion

    旋轉畸變系數
  19. Having studied the data tables, we got the relation between optical correlation s / n and distortion parameter ( scale rotation azimuth ) and then constructed the proper rfl, and so the puzzle of distortion of 3d objects in practical opr system is now resolved

    從實測數據出發，得出了opr對畸變參數（比例畸變、旋轉畸變、方位角畸變等）的寬容度，並由此構成了與之相適應的參考濾波器庫，從而解決了實用系統中的三維畸變目標問題。
  20. Based on the distortion model in which the radial geometric distortion is considered as the chief factor, a general correcting method that is independent of interior parameters of the imaging system, is given and discussed in this paper via a detailed analysis of the factors which largely influence the accurate measurement of distortion parameters

    以徑向幾何畸變為主的非線性幾何畸變模型為基礎，通過對影響畸變參數測量精度的各種因素的分析，提出了一種不依賴于成像系統內部參數的迭代演算法。
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