束間束變性 的英文怎麼說
中文拼音 [shùjiānshùbiànxìng]
束間束變性
英文
comma degeneration-
Programmed, indoctrinated, simplified and andradite reading teaching have been doubted and accused. how to shake off the fetter of long - lasting deposition and realize humanized solicitude has been a common theme in the revolution of reading teaching of various genres and patterns. it becomes most important to emphasize the reading process and method, and realize effective dialogue among students, teachers and texts
當教育催生新的變革的時候,我們不得不對閱讀教學作一個歷史性的回顧和現狀的反思,閱讀教學的程式化、灌輸化、單一化和標準化已經受到質疑和責難,在流派紛呈,模式眾多的閱讀教學改革中,擺脫長期積淀的束縛,實現文科教學的人文關懷已經成為共同的話題,而側重閱讀的過程和方法,在閱讀教學中實現學生、教師和文本之間的有效對話又成為重中之重。Under the fractal application, the transitional state rendering method based on t - fbm constraint model is proposed. in this model, the transitional deformation energy is defined as the bi - association between the initial state and the transitional fractal detail, and the fbm constraint is realized by the threshold statistical estimation. furthermore, the regional buffering control and regional harmonic control can offer more abundant and flexible control ways for the rendering of fractal transitional state
針對過渡狀態可視化的分形應用,提出了基於t一fbm約束的繪制方法,將過渡變形能作為與初始形狀和過渡分形細節之間的雙向關聯,以閉值估計一作為fbm約束因子的具體實現,以區域緩沖與區域調和作為不同約束下的控制手段,很好地在繪制結果中反映出分形性過渡特性的分佈情況。Part 2 analyses beam landing shifts made by thermal deformations of a shadow mask and vibration of a new type of shadow mask - aperture grille. an automatic measurement system for cpt decolorization and a vibration measurement system for aperture grille are established. part 3 analyses the difference of perception and discrimination to color between the human eyes and ccd system, and develops a new method based on ccd technology to evaluate the screen white - balance
主要內容分為三部分: ( 1 )分析著屏電子束分佈與電子槍、偏轉系統及蔭罩之間的關系,研製自動測試裝置,為設計和改進相關結構提供依據; ( 2 )分析蔭罩熱變形和振動對顯示屏色純度影響,建立了色純漂移自動測試裝置和張緊式蔭罩振動測試系統; ( 3 )分析了人眼與ccd對彩色刺激的不同響應,建立了基於ccd的顯示器全屏色純均勻性測試方法。Methods : hyperosmotic pressure animal model was established by administering 3 % sodium chloride as drinking water to rats or increasing osmotic pressure of the culture medium. osmoregulation positions in the brain, reciprocal projection pathways between the medullary visceral zone ( mvz ) and supraoptic nucleus ( son ) or hypothalamic paraventricular nucleus ( pvn ), oscillation of intracellular calcium in cultured neurons and astrocytes were studied by means of anti - fos, glial fibrillary acidic protein ( gfap ), tyrosine hydroxylase ( th ) or vasopressin ( vp ) multiple imrnunohistochemical staining, immuno - electronic microscope, wga - hrp retrogradely tracing and cell culture methods. results : ( 1 ) fos positive neurons within the mvz, parabrachial nuclei, locus ceruleus, pvn, son, subfomical organ increased markedly
方法:通過給予大鼠飲用3氯化鈉或提高培養基滲透壓濃度的方法復制高滲刺激模型,主要採用抗fos 、膠質原纖維酸性蛋白( gfap )和酪氨酸羥化酶( th ) (或加壓素? vp )免疫組織化學多重染色、免疫電鏡、 wga - hrp束路追蹤結合免疫組織化學多重染色、細胞培養等實驗方法,系統觀察了中樞參與滲透壓反射的調控部位、下丘腦視上核( son )神經元? ast超微結構的變化、延髓內臟帶( mvz )和son及下丘腦室旁核( pvn )之間往返投射通路和神經元的性質及其與ast的關系、培養神經元和ast內鈣波的變化。The super resolution effect of sb layer super resolution structure is also investigated with near - field scanning optical microscope. in addition, a rigorous three - dimensional ( 3d ) optical electromagnetic finite - difference time - domain ( fdtd ) model for analysis of a sil system is detailed. in order to accurately analyse sil model, a new method of setting a focused gaussian beam source in fdtd grids is presented
此外,本文還建立了對sil系統光傳輸特性進行模擬的時域有限差分程序,提出一種在fdtd模擬的離散空間設置會聚高斯光源的新方法,並模擬了會聚高斯光束在sil系統中的傳輸,研究了sil在不同離焦情況下底面出射光場幅度及光束半徑的變化規律,為sil存儲系統的優化設計提供了理論依據。A integrated algorithm of ambiguity resolution is proposed. by using triple carrier phase, integer gauss transformations, qr factorization, cholesky factorization, and geometry constraint, the correlation between ambiguity components is reduced, and more error ambiguity can be discarded, also process of ambiguity searching getting rapidly. the ratio test combining constraint of baseline is used to fix ambiguity rapidly
利用三差最小二乘求解模糊度浮點解,然後採用整數高斯變換降低模糊度分量間的相關性,再根據qr分解和基線幾何約束減少需搜索的模糊度組合,採用cholesky分解在搜索過程中及早淘汰不正確的模糊度組合,最後利用ratio檢驗與基線幾何約束條件相結合檢驗模糊度組合,盡快固定正確的模糊度。According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d
本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。Based on the propagation law of the cross - spectral density function in the space - frequency domain, the properties of polychromatic vector gsm beams through a paraxial optical abcd system are studied. the analytical propagation expressions for the cross - spectral density matrix of vector gsm beams passing through a paraxial optical abcd system are derived, which permits us to study the propagation properties of vector gsm beams, including the propagation - induced polarization changes, effect of the spectrum bandwidth and irradiance distributions in a unique way. there are some applications of the theoretical results
基於空間一頻率域中交叉譜密度函數的傳輸理論,研究了多色矢量gsm光束通過abcd光學系統傳輸時偏振特性的變化規律,首次推出了矢量高斯一謝爾模刑fgsm )光束通過近軸abcd光學系統交叉譜密度矩陣的傳輸公式,並對矢量gsm光束傳輸中偏振的變化、譜寬的影響和強度的分佈等進行了統一研究。Based on the above theory and methods, the main works of this thesis are lasted as follows : starting from the propagation law of partial coherent light and beam coherence - polarization ( bcp ) matrix approach, the properties of pgsm beams through both an axis - symmetric paraxial optical abcd system and an axis - unsymmetric one are studied. the analytical propagation equations of pgsm beams are derived, which enable us to study the propagation - induced polarization changes and irradiance distributions of pgsm beams through an axis - symmetric paraxial optical abcd system and an axis - unsymmetric one
在此基礎上,本文進行的主要工作有:基於空間-時間域中互強度的傳輸理論和bcp矩陣處理方法,首次研究了pgsm光束通過對稱和非對稱abcd光學系統和光闌的傳輸變換特性,推導出了pgsm光束傳輸表達式,可以對pgsm光束偏振和光強的傳輸變化進行分析。By using temporal redundancy, upper and lower bounds of process measurements are added in the modified sicc method to avoid the misidentification of gross errors
改進后的演算法利用時間冗餘性,加入對過程測量變量的上下限約束,避免了顯著誤差的誤判。Combined with the data - selected schemes proposed, the computational complexity of this method can be lowered. the performance of the presented rls method is analyzed by simulations, and it is shown that this method is interesting for application. 4 time - selective channel signal model based on multipath - doppler diversity representation is given in multi - path fast fading channel, and rls space - time receiver algorithm based on time - varied constraint condition is presented and the computational complexity of this method is analyzed
4 、針對多徑快衰落通道下的ds - cdma系統,給出了基於多徑-多譜勒觀點描述的1百安電弓卜科東兔j憶學協士學位論文時間選擇性通道的信號模型,提出了基於變約束條件下的遞歸最小二乘空時接收機演算法並分析演算法的運算量,最後通過模擬分析了所提出的方法的性能。A fast computation algorithm is put forward for the exact determination of the specified step controllable region of constrained discrete - time lti system, which st
基於凸多面體集合的幾何特性,給出了離散時間有約束線性時不變系統有限步可控域的一種快速精確演算法; 3By means of establishing the mathematical model and simulative model for double wishbone typed independent suspension frame of certain light - duty lorry and using the adams software to simulate the variation law of front restraint angle of wheel at different positions of splitting points during the moving course of lorry, and verified the correctness and reliability of the simulated result by applying the spatial analytic geometric relation formulae
摘要通過建立某輕型卡車雙橫臂式獨立懸架的數學模型和模擬模型,利用adams軟體模擬汽車運動過程中不同斷開點位置車輪前束角的變化規律,並用空間解析幾何關系式驗證了模擬結果的正確性與可靠性。But the complex analytical signal ( cas ) theory can erase this spatial sigu - larity. in this section, gauss, hyperbolic and lorentz pulsed gaussian beam have been derived and compared svea and cas solution by numerical simulatio n. in section 3, by using fourier transform technique and applying the paraxial approximation in frequency domain, we derive an integral solution for the transverse and longitudinal components of the light field propagating in free space
接著,考慮了幾種特殊的脈沖gauss光束( pulsedgaussianbeam ) ,結果顯示,在此情況下緩變包絡近似( slowly - varyingenvelopeapproximation )理論已不再有效,其失效的原因是,該理論導致了脈沖光束解的空間奇異性,並使脈沖光束不再具有符合物理意義的光束行為,而通過復解析信號的分析方法可以消除這種空間奇異性。An algorithm for matching the esprit ' s estimation of two - dimensional angle by using twice svd and once schur is proposed. using two row uniformity sensor - arrays and adding one sensor, the algorithm decomposes the array twice and exploits rotational invariance properties of signal space, so that both angles may be computed via matrix pencil method, and these estimates are automatically paired. simulation results are presented to verify the efficacy of the proposed algorithm
首先針對esprit演算法對窄帶源進行二維doa估計存在測向冗餘的情況,提出了一種改進演算法,該演算法利用子陣信號數據矩陣中包含的信號空間的旋轉不變性質,藉助于矩陣束方法求解出信號的二維到達角,並且利用兩次奇異值及一次schur分解從而實現了esprit二維doa估計參量的自動配對; 2And these changes will affect the stress and strain of the structure, then the deflection. the deflection upwards exceeding reasonable value will bring difficulty for high speed running and increase the impact effect, causing the intensive shake of the bridge
混凝土的收縮徐變變形及預應力鋼束的鬆弛是與時間有關的變形性質,它們隨時間的變化會引起結構中應力應變的變化,進而導致結構的撓度變化。It is difficult to analytically solve the inequality constrained nlps in the dual space, due to the linear lagrangian. a perturbed ( regularized ) lagrangjan approach is proposed, which provides an analytic solution of the dual variables in terms of primal variables
然後針對帶不等式約束的非線性規劃問題,給出一個lagrange正則化(攝動)方法,該方法有效地克服了線性lagrange函數難于在對偶變量空間直接求解的困難。In section one, based on theory of n dimensional euclid space, a new method labeled as " pointlineplane " recycling optimization algorithm is proposed to solve the linear programming problem. this algorithm is proposed on the basis of the thought as follovvs : as for three dimensional euclid space, the feasible region of any linear programming problem is a extended convex polyhedron, of which surface is consisted of some planes, and its objective function can be regarded as a parallel plane pencil with objective function value acting as parameter
第一部分內容是在n維歐氏空間理論的基礎上提出了一種求解線性規劃問題的新演算法? 「點線面」循環尋優法,本演算法是基於如下思想提出來的:我們知道,在三維歐氏空間中,線性規劃問題的可行域是一個由若干個平面圍成的廣義多面體,目標函數可以看作是以目標函數值為參變量的一個平行平面束。In different regions of relative amplitude, the main effect is repulsion or attraction alternately, and due to the instability of gaussian solitons, the beams breathe periodically after interactions
在不同的振幅差異范圍內,光束間的主要作用交替地表現為相互排斥和相互吸引,並由於高斯孤子的不穩定性,導致了光束在碰撞后以一種尺寸周期性變化的呼吸模式傳輸。As a political study of this phenomenon, this article illustrates the characteristics of china ’ s media system, the reform pressure to the system from these media increments, the development of communication politics and the political dilemma of the media regulation. and then explore the future direction of the china media incremental transformation. 1 china ’ s media system has two basic functions before 1990, one is that all the mass medias are asked to have positive dissemination that give the political system more legitimacies and powers of social arouse, the other is a function to forbid, that is all the news that have potential damage the basic function of the national politics mustn ’ t disseminate
作為對此過程的政治學考察,本文以「增量」理論為基本範式,分析了這一變革的約束條件? ?中國傳媒體制特徵;描述了它的歷史進程? ?產業化過程中傳媒增量的出現及其促成的傳媒體制邊際調整;評估了這場變革產生的政治效果? ?中國傳播政治生態的演變;辨析了它所面臨的政治困境? ?新聞監管與社會穩定訴求之間的惡性循環與「急診室悖論」 ;最後,作為結論,本文對中國傳媒這一至今仍在持續的增量變革進一步突破的方向? ?自覺的傳媒體制改革? ?進行了展望,並探討了為此應堅持的原則與方法。分享友人