相畸變 的英文怎麼說
中文拼音 [xiāngjībiàn]
相畸變
英文
phase distortion-
The dielectric constants of pt / tb films were influenced by the lattice aberrance and crystal content
Pt tb薄膜的介電常數受薄膜中鈣鈦礦相晶格的畸變和晶體含量的共同作用。Encrypting digital holography with aberrated phase of the object wavefront
物光相位畸變加密數字全息圖Pattern analysis and machine intelligence, 1999, 21 : 1312 - 1328. 3 shen d, wong w, ip h h s. affine - invariant image retrieval by correspondence matching of shape
第三，全局的圖象結構相比局部圖像特徵對噪聲更魯棒，但對圖像畸變卻更敏感。Such manipulation can sometimes distort complex waveforms, obscuring identification of events.
這種作法有時會使復雜的波形畸變，模糊了同相軸的識辨標志。Analysis for the phase distortion caused by the coupling of waveguides in an awg
中波導間耦合造成的相位畸變的分析Abstract : temporal properties of the second - ordre process with a chirped incident pulse are theoretically calculated. the chirp influences the irradiance and the pulse shape of the second harmonic wave with large phase mismatch. the phase distortion of all three waves is dependent more strongly on the chirp than on the phase mismatch
文摘:討論了在大相位失諧下，基波為頻率啁啾脈沖的二次諧波產生過程，結果表明選取合適的啁啾參量可以使二次諧波的光強提高，但同時會使其波形和相位發生變化.三波相位的畸變主要取決于入射的基波啁啾脈沖，而與相位匹配的失諧量關系不大The multi - pass amplifier was being adopted proverbially, which could improve the output energy consumedly. but on the other hand the beam quality was degraded by the severe wave - front ' s aberration that exacerbated by multi - passing the beam through the amplifier
多程放大系統因能夠較大提高系統的輸出能力，故得到較為廣泛的應用；但由於多程放大級各類波前誤差的相干疊加，使系統輸出激光的波前發生比較嚴重的畸變，導致光束質量的下降。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。Series reactor is applied to ac power system with rated voltage of 6kv - 63kv and series connected with shunt capacitor banks for restraining wave distortion in grid voltage so as to improving the quality of power system and ensure the safety of its operation. it can restrain harmonic current and surge current in capacitor banks so that the capacitor will operate reliably
Ckdk型串聯電抗器，適用於6 63 kv電力系統中，與並聯電容器相串聯，用以抑制電網電壓波形畸變，從而改變電網質量和保證電力系統安全運行抑制流過電容器組的諧波電流和限制合閘涌流，從而保護電容器的安全可靠運行。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。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。The precursors of lico0. 8ni0. 2o2 cathode material for lithium - ion batteries are prepared from lithium hydroxide, cobalt acetate, nickel acetate and oxalic acid by the method of low - heating solid - state reactioa the ucoagnioiqz samples are obtained by sintering the precursors at different temperatures for 12hr. their structures and morphologies are studied by the powder xrd and sem
由於mil ：的jalllieller效應使mhoj面體發生畸變，焙燒溫度對樣品晶體棚及電化學性能的影響4肽，與同樣方法合成的li帥及eenaq相比， d仙血o的晶胞形狀變得更加扁平，晶胞體積增大。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樣條的畸變估計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。Influence of distorsion of digital camera ' s lens on precision of deformation supervising measurement and its remedy method
數碼相機鏡頭畸變對變形監測精度的影響及其改正方法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、計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、無畸變、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。Electrical field stress at the icicle tips is even stronger. at these areas, if the electric field across air gaps is high enough, corona discharges are initiated. this can lead to the development of local arcs across the air gaps causing a substantial increase in leakage current and a concomitant melting of ice
空氣間隙的存在使覆冰絕緣子表面的電場分佈發生了明顯畸變，間隙上承受了非常高的電壓，這使得冰凌尖端的電場變得相當強，一旦電場達到了電暈的起始電場，局部放電就在這一區域發生，進而產生局部電弧並逐漸發展成整串的閃絡，泄漏電流迅速增大，同時伴隨著冰的融化。Advantages, disadvantages and limits of arm are thoroughly examined using signal processing methods. based on the above, incoherent and coherent two - point - source decoy methods and modified coherent two - point - source decoy methods to deflect arm are brought forward. arm ’ s homing heads are generally of mono - pulse structure, so coherent two - point - source ’ s interference resembles that to mono - pulse radar except that interference to radar belongs to far field scope, but interference to arm varies from far field to near field because relative distance drastically changes between the homing head and the two - point - source with missile ’ s homing head continually approaching the target
Arm的導引頭一般為單脈沖體制，因此，相干兩點源對導引頭的干擾類同於對單脈沖雷達的干擾，不同的是:對雷達的干擾都是遠場，而導引頭隨著導彈不斷接近目標，兩點源與導引頭的相對位置發生劇烈變化，由遠場變化到近場;導引頭天線口面上的合成場也發生了大的變化，相位波前的畸變產生干擾，這就是相干兩點源誘偏的基本思想。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，並利用統計光學方法，對有振幅調制和位相畸變光束的非線性傳輸特性作了詳細研究。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。It will be very helpful to understand how the aberrations affect the course of three - wave mixing, such as the change of conversion efficiency, the distribution of intensity and phase
重點研究了位相畸變光束的倍頻過程中，諧波的位相分佈是否能與基波的波前畸變有一定的保真度，二者關系如何。分享友人