distortion method 中文意思是什麼

distortion method 解釋
變形方法
  • 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
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. In allusion to diversified methods ' s shortcomings of solving girder ' s distortion, brings forward applying cantalever and finite progession method to analyze all girder ' s distortion, namely through frame analysis translates memory into analysis ; and use especial but simply method to solve common but complex problem, and expounds it through examples

    摘要針對求解梁變形的幾種方法的不足,提出用懸臂梁及有限級數法分析所有梁的變形,即通過懸臂梁結構分析,將記憶轉化為分析,用特殊而簡單的方法求解一般而復雜的問題。
  2. A remedy method of radial distortion of ccd camera

    攝像機徑向畸變的校準方法
  3. 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。
  4. Therefore, the method of screen spreading is presented herein with the following basic feature : taking the surface of the perpendicular line at the end of the distortion and bottom as the datum plane, move the controlling point of every distortion part to the datum plane with the principle of changeless of geometry size, and then the spreading is formed

    為此提出一種屏幕展開方法,此方法的基本要點是,以扭曲面末端垂直線和底部起坡線所在的平面為基準面,將扭曲面各分塊的控制點按幾何尺寸不變的原則搬到基準面,即可形成展開圖。
  5. It compute the parameter of deflexion caused by thermal distortion in orbit, deduce the general expression for spreading beam after thermal distortion of reflector and the center deflexion of facula received in ccd. with the method of fixing etc, it put forward the restrain measures adopted accordingly

    計算了在軌運行條件下反射鏡面熱變形引起的表面法向偏轉參數,推導了鏡面變形后出射光線的通用表達式以及鏡面變形前後在ccd探測器上的接收光斑中心偏轉量的計算表達式。
  6. The second method is concerned with a more coarse measure of distortion.

    第二種方法與較為粗略的對畸變的測定有關。
  7. For obtaining the numeral solutions of round elastic plates in axisymmetrical deformation with varying - thickness in nonlinear deformation in the unsteady electromagnetic field and mechanical field, by establishing the equations of motion, the equations of distortion, the equations of lorentz force, the equations of electronic dynamic mechenical, and adopting iterative method, we gained the nonlinear magneto - elastic calculation method and outcome of current - carrying shell, and gained the influencing degree toward mechanical parameter of varying thickness round ferreous plates in the electromagnetic field and mechanical field

    摘要為了獲得內邊界固定的環形導電薄板在均布力與橫向磁場作用下的變形問題的數值解,通過建立運動方程、變形方程、電動力學方程和洛侖茲力方程,運用迭代法得出了載流板殼的非線性磁彈性的計算方法和結果,以及機械場、電磁場對鐵質變厚度圓板各力學參量的影響程度。
  8. Method of order tracking filtering of rotating machinery based on zero - phase distortion digital filtering with segmentation overlap

    基於分段重疊零相位濾波的階比跟蹤濾波法
  9. Based on fractional sampling method, a new super - exponential iteration decision feedback blind equalization algorithm for severely nonlinear phase distortion channels was proposed

    因此針對嚴重頻率衰落和非線性相位失真通道,提出了一種分數采樣的混合盲均衡演算法,並獲得了較快的收斂速度和較小的剩餘均方誤差。
  10. Owing to the complicated technics and high cost of manufacture, limno2 can not satisfy the applications. the cycle stability is very poor, which is a result of the jahn - teller distortion effect causing by tervalent manganese ion. thus, exploiting the feasible technics of preparation and seeking the method to enhance the cycle stability of layered lithium manganese oxide are the targets of many research groups

    由於生產工藝復雜、成本高,也由於mn3 +強烈的jahn - teller效應,通常使層狀limno2循環穩定性變差而無法滿足實際應用的需要,因此研究適宜的制備工藝,尋求提高limno2循環穩定性的方法成為許多科研人員的奮斗目標。
  11. The damage performance - based aseismatic design method can calculate distortion and dissipating hysteretic energy under seismic action, and form intuitionistic aim matrix of damage performance by damage index

    基於地震損傷性能的設計方法考慮了地震作用下結構的變形和累積耗能,並將性能量化為損傷指數,形成直觀的損傷性能目標矩陣。
  12. 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變形接觸問題,用有限元法模擬這些過程時,由於變形畸變的存在,往往需要採用網格重劃分才能得到較為準確的計算結果。
  13. With regard to distortion analysis, a new method of integration of experience formula and fem for space frame is brought forward

    在快速變形分析方面,提出理論公式校驗與有限元分析相結合的方法。
  14. In the application of mini - micro - robot visual perception, there is a need for fish - eye lenses for capturing wide field of view for navigation. though fish - eye lenses provide a wide field of view ( 180 ), they introduce significant distortion in images and the acquired images are quite warped, which makes conventional camera calibration algorithms no longer work well. this paper presents an accurate calibration framework for fish - eye lens ( a high distortion lens ) camera stereo vision system. the accurate calibration model is formulated with radial distortion, decentering distortion and thin prism distortion based on the fisheye deformation model. using fish - eye and non - linear camera model, the author employs levenberg - marquardt method to realize precise non - linear calibration for wide - view - scene dense depth image recovery

    魚眼鏡頭成像立體視覺系統在微小型機器人視覺導航和近距離大視場物體識別與定位中有著廣泛的應用.盡管魚眼鏡頭攝像機具有很大的視場角(接近180 ) ,但同時也引入嚴重的圖像變形,常規的攝像機標定方法無法使用.該文提出一種標定魚眼鏡頭攝像機立體視覺系統的方法.在魚眼鏡頭變形模型的基礎上,通過考慮魚眼鏡頭成像的徑向變形、偏心變形和薄棱鏡變形,建立了魚眼鏡頭成像的精確成像模型,然後,利用非線性迭代演算法,精確求解攝像機外部參數、內部參數.實驗表明,使用該方法得到的立體視覺系統參數滿足精確恢復大場景稠密深度圖的要求
  15. Besides, the gauss interpolation function and the domain of support which includes much more nodal information than finite element method does is used to make meshless method much more earlier solve the large deformation and distortion and describe the local characteristic ( such as stress locality et al. ) more facilely

    並由於在無網格法中採用了高次插值函數和包含有較多節點的支持域(在有限元法中的支持域只包含單元節點) ,從而使得無網格法能方便地處理變形畸變和應力應變局部化等問題。
  16. Since the departing process of fire work departing installation is a highly nonlinear transient dynamic process, it relates to many speciality field, and the characteristic of the material is very complex under the highly rate and highly pressure distortion, the design methods and the design formulae by experience which has been used for a long time are very limited, the facter which truly affect the departing process of fire work departing installation cannot been reflected in the design calculation, the structure modelling and optimization of the fire work departing installation is cannot been carried out by the traditional optimization method

    由於火工分離裝置的分離解鎖過程是一個高度非線性的瞬態動力過程,涉及多個學科和專業領域,而且材料在高速高壓條件下瞬時性態十分復雜,長期以來所沿用的經驗設計方法和設計經驗公式的局限性很大,對火工分離裝置分離解鎖過程一些實際有影響的因素不能定量地反映到設計計算中來,採用傳統優化方法無法實現火工分離裝置的結構優化建模和計算。
  17. In chapter 5, a new dynamic wake model is developed by employing the rotor free - wake method in chapter 2, and is used to investigate the curve distortion during the conversion of tiltrotor aircraft between helicopter flight conditions and airplane flight conditions

    在第二章方法的基礎上,第五章建立一個傾轉旋翼動態尾跡模型,使用該模型對傾轉旋翼機傾轉過渡狀態的尾跡彎曲變形進行了研究,得出了一些結論。
  18. 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計方法? ? 「波動量」法,的基礎上,針對現有方法以直接的fourier變換為分析工具,只能對基波周期的整數倍窗口采樣信號進行分析,畸變信號在一個基波周期內的變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計的準確性的提高。
  19. 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,本文採用張正友的方法實現了單攝像機的標定並完成了圖像畸變的修正,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。
  20. And it investigates the appearance condition ( including joint, crack, eroding, corrosion, braking pole device rupture, crane - girder ' s gnawing railway and so on ) of the whole crane - girder system on the spot, at the same time, it also actually examines the stress of the beam, chemical ingredient, distortion and railway excursion, etc. through sampling, and based on the actually examined results, it checks and calculates the carrying capacity of crane - girder system. then, based on the investigating on the spot and the calculated result, it discusses the mechanism of fatigue failure of the upper part of welded steel crane - girder, analyses the reason of steel crane - girder in the high - frequency emerging the fatigue crack, institutes the strengthened method of damaged steel crane - girder of accurate packing up workshop of the primary mill plant. finally, it presents some advice and suggestions for the repairing and strengthening method of fatigue crack of upper part of steel crane - girder in the high - frequency

    針對包鋼初軋廠精整車間鋼吊車樑上部區域出現裂縫這一問題,本文首先綜述了國內外關于焊接鋼吊車樑上部區域疲勞裂縫的研究現狀;其次對整個吊車梁系統的外觀情況(包括連接、裂縫、腐蝕、銹蝕、制動桿件斷裂、吊車啃軌等)進行了現場調查,抽樣實測了梁的應力、化學成分、變形及軌道偏移等,根據實測結果,對吊車梁系統的承載能力進行了驗算;然後,根據現場調查及計算結果,探討了焊接鋼吊車樑上部區域疲勞破壞的機理,分析了重級工作制鋼吊車梁出現疲勞裂縫的原因,制定了初軋廠精整車間破損鋼吊車梁的加固方案;最後就重級工作制鋼吊車樑上部區域出現疲勞裂縫的修復與加固方案提出了一些意見和建議。
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