非一次反射 的英文怎麼說

中文拼音 [fēifǎnshè]
非一次反射 英文
nonprimary reflection
  • : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
  • : Ⅰ名詞1 (次序; 等第) order; sequence 2 [書面語] (出外遠行時停留的處所) stopping place on a jou...
  • : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
  • : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
  1. In the last forty years the research for finding solitary wave solutions has been experienced a great growth and some sucessful methods including the inverse scattering theory, backland transform, hirota ' s bilinear methods and the homogeneous balance method have been presented in succession

    近四十年來線性演化方程孤波解的解法研究蓬勃發展,相繼誕生了些比較成功的求解方法,如方法、 b ( ? ) ckland變換方法、 hirota方法以及齊平衡方法等,這些方法多年來得到了廣泛的發展和應用。
  2. The major job is manufactured a transmitter, which has three upmixer channels. its function is to up convert the signals from c - band to ka - band. the input local oscillator is provided by a low frequency crystal oscillator which has a good performance of phase noise, through 512 times multiply to ka band. this sysetem is used in the laboratory as transmitter source of the fuze, for the multidimensional objects in practise, which lead to the complexity of the reflect signal, so the amplitude, frequency and the phase of the transmit signals both have a key role in dealing with the reflection signals. therefore, this system requires for both the coherence of the single channel ’ s amplitude, phase and multi channels

    本文的主要工作是應用戶要求製作具有三發通道的上變頻系統,可以將c波段的微波信號上變頻到ka波段的毫米波信號。系統的本振輸入基頻由相位噪聲常好的低頻率晶振提供,經過512的倍頻放大至ka波段。本系統作為實驗室中引信的發源,由於目標信號具有時變的多維性,信號變得極為復雜,在信號處理時,不僅信號幅值、頻率有決定意義而且相位關系也很有決定意義。
  3. This paper is a part of the project : research of manufacturing technology for unfocused aspherical surface system of large relative aperture, sponsored by national high technology 863 - 802. the purpose of this paper is deeply research the testing methods of primary and second mirror for unfocused aspherical surface, and to present the testing methods of primary mirror of the large relative aperture and transmission and reflected second mirror. the beam path diagrams and the relative design results are given in this paper

    本文是國家高技術項目863 - 802的子課題「大相對孔徑無焦球面系統製造技術研究」的部分,其目的是對大相對孔徑無焦球面系統的主鏡和鏡檢驗方法進行深入研究,提出大相對孔徑主鏡和透式及鏡檢驗方法,並給出檢驗方案和相關的設計結果。
  4. Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered

    在此基礎上,給出了整套bbo - opo激光參數設計方案:計算了不同泵浦強度下的參量放大倍數;詳細計算了在nd : yag調q激光器各諧波泵浦條件下的共線類和類相位匹配的調諧曲線,以及共線類相位匹配調諧曲線;分析了走離角對線性系數和群速匹配的影響;計算了參量過程的允許角;計算了bbo - opo的理論閾值條件;分析了飽和與泵浦光束的消耗過程;給出了轉換效率與超過泵浦閾值的倍數的關系;討論了轉換效率與輸出鏡率的關系;討論了線寬控制的各種方法;研究了利用穩腔改善光束質量的方法;考慮了bbo晶體的設計。
  5. The radiation patterns of 4 - elements and 6 - elements circular reflection arrays in different distances between the active element and the passive element, and different length of the passive element are calculated, which shows that the additional passive elements can improve the pattern of the circular array, and decrease the differences between beams, and produce several equal wavebeams

    提出了種新型的智能天線陣列結構,即圓環陣列,並就四、六元圓環陣列的情況分別對標準陣列和標準陣列進行了詳細的分析研究,計算了不同間距、不同振子長度的方向圖。
  6. This part emphasizes the synthesis of nanoarrays, aiming at controlling the size and distance of nanocrystallites using calixarene derivatives by altering the size, length and chemical structure of the organic molecules ; 2. this part emphasizes in situ synthesis strategy for fabrication of polymer network of zns based nanopowder, aiming at size controls, coating and preventing agglomeration following " one - pot " synthesis ; this method fits to low cost, large scale production ; 3. according to development in zno nanomaterials, we first report on the synthesis, characterization of amorphous zno, aiming at describing the principles and approaches of synthesis techniques, optical properties, spatial structure and doped effect ; the amorphous zno displays cage - like structure, showing a strong ultraviolet emission while the visible emission is nearly fully quenched, a potential uv - emission material ; 4

    本論文以量子結構自組裝為出發點,提出利用杯芳烴及其衍生物的化學受限應實現尺寸可調半導體納米粒子自組裝;提出有機聚合網路原位組裝zns基納米熒光粉方法,把熒光粉的納米化、包敷、防團聚在「鍋」應中完成,適于低成本,批量生產;根據當前zno的研究情況,我們首合成了晶zno ,研究了它的光學性質,確定了它的結構,並對其摻雜進行了初步的研究,晶zno表現出強的深紫外發光特性,而可見發常弱,是種有巨大潛在應用價值的深紫外發光材料;利用晶zno的亞穩特性,對晶化過程中晶zno納米晶zno三維受限量子結構特性,界面特性進行了深入的研究;利用固相熱分解般受擴散控制特性,實現了尺寸可控的zno三維量子結構的自組裝;利用晶zno的高度分散性,容易均勻成膜特性,實現了晶籽晶誘導低溫液相外延自組裝生長高取向zno晶體薄膜。
  7. The average range of nonthermal radiation particles is direct proportion to the energy extent of nonthermal radiation particle, but also inverse proportion to the density of stellar gas, however, to the stationary black hole with mass multipole moment and nonstationary black hole, the average range of their nonthermal radiation particle still has something to do with direction, which are the new results reported firstly

    熱輻粒子的平均程與熱輻粒子的能量范圍成正比、與星際氣體的密度成比;對動態黑洞和類具有質量多極矩的穩態黑洞而言,熱輻粒子的平均程還與方向有關。這些都是首報道的新結果。
  8. In this paper, deconvolution and linearized inversion of receiver function are improved ; multi - channel deconvolution and wavelet inversion are developed for receiver function. the elastic wave motion equation is applied in the simulation and migration of receiver function in lateral inhomogeneous media, multi - grid algorithm is introduced in numerical modeling of elastic wave motion equation, and phase - delay boundary condition is also provided to absorb boundary reflection

    在此基礎上,重點研究和發展了橫向均勻介質中,基於波動方程的數值模擬與偏移成像方法,首將多重網格演算法引入到彈性波方程的數值模擬和接收函數的偏移成像,還發展了種延遲邊界方法,以消除人為邊界的影響。
  9. For a violation of this rule, play shall be immediately stopped and a penalty shot shall be awarded to the non - offending team

    此規則時,比賽應立即停止且應判予犯規球隊
  10. Finally, the results are compared with periodic and random chains. then we studied acoustic wave propagation in 1d quasiperiodic and aperiodic systems by means of he transfer matrix. transmission rate, reflection rate, energy flow, logarithmic energy flow, energy density and lyapunov exponent are computed numerically, and compared with periodic and random system

    研究了聲波在幾種維準周期和周期系統中的傳播,通過轉移矩陣的方法,數值地得到了系統的傳播系數t _ n 、系數r _ n 、能流密度j _ n ,能量密度e _ n和lyapunov指數,給出了以上各量與傳播長度n以及頻率之間的關系,同時發現能流及能量密度都具有分形結構,並與周期和隨機系統的結果作了比較。
  11. Fuyuan comapany had started to develop and study new polyurethane flat - free tyre pu tyre since 1990. the pu tyre had been made by use of advanced technology of reaction, injection and moulding. we can made every kinds tyre shaping one time, and it is a one whole. because pu material has very best specific property, so pu tyre is light weight, better elasticity, long lasting, high resistance to wear, resistance of ageing, better chemical stability than traditional rubber tyre

    聚氨酯無充氣輪胎:本公司自1990年開始研製新型的聚氨酯無充氣輪胎,該產品採用先進的應注模塑工藝rim ,各種不同規格的輪胎均可成型,具備內外胎體化的功能。由於聚氨酯材料具有常優良的特性,因此該輪胎不但重量輕,而且彈性也很好,特別是這種新型輪胎永遠不需充氣,不怕刺扎,其耐磨性抗老化性和化學穩定性均比傳統的橡膠優越。
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