有效畸變 的英文怎麼說
中文拼音 [yǒuxiàojībiàn]
有效畸變
英文
effective distortion-
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畸變所導致的關鍵尺寸變化的光刻工藝模型，有助於開發由成品率驅動的版圖設計工具，自動地實現深亞微米下半導體製造中先進的掩模設計、驗證和檢查等任務。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。The practical simulation results show that it is effective for the method, especially its recognition rate and believability with imcomplete, aberrant distorted parameters are raised highly
實際模擬結果表明該方法是有效的，尤其對于參數不全、參數畸變的雷達輻射源，其識別率和識別置信度都有較大提高。The resolution of optical system can not reach its diffraction limit because of the phase aberrations caused by atmospheric turbulence and other wavefront errors. adaptive optics technology uses deformable mirrors to perform dynamic phase modulation and endow optical system the ability to decrease the influence of dynamic wavefront errors
大氣湍流等動態干擾使光波面相位發生畸變，使光學系統的解析度無法達到其衍射極限，而自適應光學系統使用變形鏡對光波面進行動態相位調制，賦予了光學系統能動可變的能力而有效地解決了動態干擾的問題。5. otherwise, the applicability of cube comer array in the wide spectrum high power solid - state laser facility was researched as a relatively absolute part in this paper. through simulation, the action of cube corner array to reduce beam ' s focal spot size was testified visibly, and the smoothing effect of beam ' s modulation caused by cube corner array was proved primarily on the wide spectrum condition
另外，作為一部分相對獨立的內容，本文對寬頻帶激光傳輸條件下採用角錐棱鏡陣列抑制低頻波前畸變的設想進行了探索性的研究，通過模擬模擬驗證了角錐棱鏡陣列具有抑制低頻波前畸變、提高激光焦斑能量集中度的顯著作用，並初步驗證了寬頻帶激光傳輸條件下近場振幅高頻調制的勻滑效應。The microprocessor is used to realize digital control as flip plus of the scr. the ic chip sa866ae of mitel company is utilized as the low frequency signal generator of the system. furthermore in the zero - current detection circuit, use the photocoupler gaalas ired and photo ic to detect zero - current, furthest shorten the commutating " died region ", prevent the current from distorting
設計中採用單片機控制可控硅的觸發脈沖，實現數字化控制，並利用mitel公司的三相pwm交流電機脈寬調制晶元sa866ae ，成功研製了交-交頻器中的低頻信號發生器裝置，效果良好；此外利用用光電檢測元件進行系統零電流的檢測，盡可能地縮短換相死區，防止電流發生畸變，成功地解決了原有低頻電源系統中存在的兩大難題。Based on maximum entropy algorithm, analyzing the blurring mechanism with the aberration of point spread function of imaging system, an effective restoration algorithm for blurred image with mist is proposed in this paper
文章基於最大熵演算法，分析了成像系統點擴展函數畸變導致圖像模糊的機理，提出了一種有效的薄霧模糊圖像的恢復演算法。It shows that when walk - off and diffraction effects could be ignored approximately estimation of the phase distribution of second - harmonic wave could be done. the far field divergent angle and second moment radius of harmonic wave will vary with the aberration of fundamental wave, but the far field divergent angle will be obviously smaller than that of fundamental wave. the phase distribution of both fundamental and harmonic wave is measured using hartmann - shack wave front sensor in the experiment with 1064nm and 790nm lasers, respectively
這說明利用非線性光學頻率變換方法拓寬波前傳感器件的響應波段是很難實現的，但是，通常三波相互作用過程的研究均是建立在平面波和理想高斯光束之上，因此我們對于位相畸變倍頻過程的研究是非線性光學領域一個重要而有意義的新課題，它有助於人們更加深入理解非線性光學效應，為進一步合理利用之奠定了理論和實驗的基礎。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。The reasons were about to the distortion of crystalline grain of metal, caused by cold - working, and size - effect of the fibers
這與冷加工引起金屬晶格畸變以及纖維的尺寸效應有關。An efficient method is proposed for designing time domain wcbb to alleviate these effects by measuring the practical array model and applying it in the designing procedure
通過實驗獲取實際陣列模型，基於此模型的設計可以有效緩解這種失配所引起的波束圖畸變。Since the camera lens used in computer vision sustain a lot of nonlinear distortion, recent research efforts has been concentrated on the distortion correcting technique. the optimization algorithms in conventional calibration field have shortcomings that the computing quantity is colossal. in order to improve it, tsai two steps ’ algorithm was developed in conventional camera calibration in this dissertation, and a calibration algorithm considering radial distortion
由於攝像機鏡頭存在著畸變，對于要求精度定位的應用，需要進行畸變校正，而傳統的標定演算法中存在著計算量大的不足，本文採用tsai氏兩步標定法是考慮一階徑向畸變的攝像機標定演算法，與其它優化演算法相比具有簡單實用、計算量小的特點，並通過實驗驗證了該演算法的可靠性和有效性。The processing of the field gpr profile in the limestone region with this program demonstrates that coherent enhancement processing of the gpr profile can effectively improve the continuation of the events reflected from the same interface and contribute to tracing the reflecting interface without the distortion of the event form
對實測雷達剖面進行處理的結果表明：雷達記錄道相干加強處理能有效改善來自同一界面的雷達反射波同相軸的連續性，有利於反射界面的追蹤，同時不會引起同相軸的形態發生畸變。The computational results of strong scintillation with weak turbulence but long propagation length indicate that the number of branch points in distorted optical field has a tendency to saturation
另外，通過對湍流較弱但傳輸路徑較長的強閃爍條件下畸變光場中出現的相位不連續點數目的計算發現，當湍流效應達到一定程度時，相位不連續點的數目有達到飽和的趨勢。At the same time, the possibility of using nonlinear optics in widening the detecting wave band of hartmann - shack wavefront sensor is exploringly discussed. adaptive optics guarantees the beam quality of laser projecting system. beam cleanup, atmospheric turbulence compensation and correction of any disturbance and fabrication error in the light way are required to promise a near diffraction beam, but normal adaptive optics system can only correction one of them
自適應光學進行光束大氣傳輸波前畸變校正時，要求系統必須能進行光束凈化和校正大氣湍流造成的波前畸變，並且能夠同時有效地克服發射系統製造誤差、重力變形以及光路內部氣體擾動的影響，得到接近衍射極限的輸出激光光束。When the distortion effect is not considered, not all the points are selected, but those around the center of image whose distortions are relatively smaller
當不考慮畸變效應時，選取圖像中心附近畸變較小的點代入求解，而不是選取所有的點。With a case, the theory proposed in this paper is compared with the traditional distortion theory which does n ' t take shear deformation into account and ansys finite element software to verify the accuracy of the proposed method. it is drawn that taking shear deformation into account results in a fairly higher accuracy
隨之，通過實例，將本文理論與傳統不考慮剪切變形的畸變分析理論及州sys有限元軟體的分析結果作比較，驗證了本文理論的正確性，結果還表明考慮剪切變形的影響大大提高了考慮畸變效應的計算精度。With development of high - speed missile imaging detection aero - optical effects, certain accomplishments on theoretical analysis have been obtained. the laboratory test system needs to be built to vertify the correctness and validity of theory. at the same time, to study the transient influence of high - speed flow on image transmission, an aero - optical effect experiment of wind tunnel is needed furtherly on the foundation of the transform of wind tunnel, in order to use the researching accomplishment of aero - optical effects in the aero - optical distortion image adjustment evaluation
隨著高速導彈成像探測氣動光學效應機理研究工作的深入開展，在理論分析上取得了一定的成果，需要搭建實驗室試驗系統來驗證理論的正確性和有效性，同時為了較真實地研究高速流場對圖像傳輸的瞬態影響效應，需要在風洞改造的基礎上進一步進行氣動光學效應風洞試驗，期望將獲得的氣動光學效應研究工作成果用於氣動光學畸變圖像校正效果的評估。By comparing the image - preprocessing results of different processing algorithms, an optimized algorithm was decided to ensure satisfying correlation snr and preprocessing rate to be obtained. synthetic discriminant function ( sdf ) filters of the 3 - d targets were designed and the reference filter libs ( rfl ) were constructed to provide high correlation snr. real - time distortion - invariant optical correlation was realized by temporal - spatial multiplexing technique
為了保證opr系統有高的相關信噪比（ snr ）及良好的實時性能，本文對不同圖像預處理演算法的處理性能及效果進行了比較分析，為opr系統選取恰當的圖像預處理演算法提供了依據；將時間多重化技術與空間多重化技術相結合，設計製作了三維目標的可實時刷新的sdf參考濾波器庫，為opr系統提供了高snr的相關輸出，從而實現了opr系統對目標的實時畸變不變光學相關；將人工神經網路（ ann技術）用於相關信號后處理，有效提高了opr系統的識別效率。Later on, after elaborating the disadvantages of the old methods in detecting and recognizing moving objects, a series of corresponding approaches are proposed, such as grid scan, local tracking bug and dynamic window in object tracing to reduce the huge data needed to be processed, maximum and minimum for selecting a proper segmentation threshold and improved conversion from rgb model to hsv and so on to decrease the influence of inhomogeneous lighting and the color noise, a bilinear interpolation in each quadrant to eliminate the bad effect on the recognition precise because of the distortions of the camera. after that, much emphasis is given on application study in pattern recognition with a feed - forward neural network. both the basic bp algorithm and improved bp algorithm in the study process are described in detail, and the later is used to quicken convergence speed and improve validity of the network
然後，分析和闡明了傳統的運動目標檢測方法的不足，並在此基礎上結合研究中的實際實驗環境，提出了一系列解決方法，包括針對降低龐大數據量而提出的網格掃描、局部「跟蟲」追蹤和動態窗口掃描等目標檢測方法，針對實驗環境中光照不均和顏色干擾提出基於人機交互的最大最小值閾值選取方法和引入改進的rgb模型到hsv模型的轉換方法，為消除圖像畸變對識別精度的惡劣影響而採用的通過控制點進行雙線性插值進行畸變校正的方法；緊接著，概述了神經網路的發展歷史和幾種常用神經網路模型的特點，重點研究了前饋型神經網路在模式識別中的應用問題，詳細闡述了基本的bp演算法和學習過程中bp演算法的改進，從而使網路收斂速度更快，解決問題更有效，並在此基礎上，設計了一個基於bp神經網路的運動目標識別系統，給出了實驗結果。分享友人