近似效應 的英文怎麼說

中文拼音 [jìnxiàoyīng]
近似效應 英文
proximity effect
  • : Ⅰ形容詞1 (空間或時間距離短) near; close 2 (接近) approaching; approximately; close to 3 (親...
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • 近似 : approximate; similar; approach; approximation; roughness; propinquity
  • 效應 : [物理學] effect; action; influence
  1. Because it ’ s hard to get radiation - harden hardware overseas, so the software fault tolerance techniques are significant for our national space enterprise. the computer platform of 863 plan project ” micro intelligent free - flying space robotic system ” consists of cots component. the orbit and the radiation environment of the robot are similar to ones of the argos satellite, and the system is required to have high reliability. therefore it ’ s necessary to applied the software fault tolerance techniques into the system to improve the anti - radiation capability after the techniques been verified valid

    因為我國很難從國外獲得輻射加固的硬體,所以,這項軟體容錯技術對我國航天事業的發展具有較大意義。 863計劃項目「小型智能飛行機器人系統」所用的計算機平臺採用商用器件,其衛星的運行軌道與argos衛星軌道,面臨的輻射環境與argos衛星相,要求具有高可靠性。因此,小型智能飛行機器人系統有必要在驗證sihft技術有的基礎上,用軟體容錯技術,提高其空間抗輻射能力。
  2. This paper adopts an adaptive learning algorithm based on hierarchy clustering to update user profile, which continuously abstract the cancroids of one class of optimum information from the feedback flow of system, which effectively shield the learning process from plenty of feedback noises produced by distorted threshold and sparseness of initial information, which also can imitate artificial feedback approximately to perfect the intelligence of adaptive learning mechanism

    摘要本文採用一種基於層次聚類的自適學習策略,從系統反饋的信息流中,動態提取一類最優信息的質心更新用戶模型,有屏蔽了閾值失真和初始信息稀疏造成的大量反饋噪聲,並且能夠模仿人工反饋,完善自適學習機制的智能性。
  3. In the model the film thickness in the passage was obtained at first using two phase flow theory ; then, similar analysis solution of concentration distribution of the pollutant in liquid phase and biofilm was obtained through mass component equation of pollutant in gas - liquid phases combined with the biochemical kinetic equation of mass transfer in biofilm and dismission of oxygen limited ; at last, the distribution of pollutant along the filter height and the waste gas purification efficiency were obtained

    該模型首先運用兩相流理論獲得了通道內液膜厚度,然後通過污染物在氣相、液相的質量組分方程,結合生物膜內的傳質與不?慮氧限制的生化反動力學方程,獲得了污染物在液相和生物膜中濃度分佈的分析解,最終得到污染物在氣相中沿塔高的濃度分佈及廢氣凈化率。
  4. ( 4 ) on the efficient method for the dynamical core of the new generation multi - scale forecasting model i ) we present a new multi - level sparse approximate inverse preconditnioner for the complicated 3 - d helmholtz equations in the new generation weather forecasting model. as a result, the new sparse approximate inverse preconditioned gcr and gmres algorithms are given and successfully applied in the dynamical core. numerical tests show that the new algorithms perform very efficiently, and can greatly improve the efficiency of numerical model

    對此,本文提出了一種基於逐層門限技術的逆矩陣稀疏模式預選方法,並構造了相的稀疏逆預條件子,結合gcr演算法和g州[ r衛s演算法,首次將逐層門限稀疏逆預條件子用於新一代多尺度預報模式動力內核的實際計算,數值實驗表明這里給出的方法可以大大提高數值模式的計算率。
  5. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉( cqi ) ,並且測得積分干涉角,為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉信息,實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢,用含時微擾理論的一級波恩,假想在分子束實驗的條件下,建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推導出微分干涉角具體表達式,通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的變化趨勢,同時初步探討了實驗的正確觀測途徑,得出了採用分子束進行實驗觀測的實驗方法,為進一步進行分子束實驗提供了理論基礎,對實驗的進行起到了一定的借鑒作用
  6. Compared to the degree of approaching method, the fuzzy semantic relationship between fuzzy sets depends on not only the two fuzzy sets elements " subordinative degree, but also the elements " semantic relationship, while the degree of approaching only depends on the subordinative degree of the same element in different fuzzy sets, so the fuzzy semantic relationship method gets better results, and settle the problem of one text belonging to more than one class well. 3

    兩個模糊集間的語義關聯度,不但依賴于兩個模糊集論域的元素間的隸屬度,而且與相論域元素間的語義程度有關,而貼度的方法只考慮了相同元素在不同模糊集中隸屬度值的關系,因此模糊語義關聯度的方法獲得了更好的分類果,並且更好地解決了文本兼類的問題。
  7. A series of near roundness cds nanoparticles with a particle diameter of 3 ~ 6nm have been prepared by controlling the concentration and proportion of reactants and adopting sodium hexametaphosphate as stabilizing agent. the studies demonstrate that these particles present obvious quantum size effect and an appropriate excess of cd2 + ion and hexametaphosphoric acid group polysnion are helpful to the dispersion and flame capability ' s improvement of particles. another series of near roundness monodisperse au nanoparticles with a diameter of 12. 3nm was prepared via sodium citric acid deoxidizing auric chloride acid

    利用六偏磷酸鈉作為穩定劑,通過控制反物的濃度及比例,制備了粒徑為3 6nm 、呈球形的cds納米顆粒,光譜測試結果表明,顆粒具有明顯的量子尺寸,適當過量的cd ~ ( 2 + )離子以及六偏磷酸根聚陰離子有助於顆粒的分散並提高其發光性能;採用檸檬酸鈉還原氯金酸,制備了接球形、平均粒徑約為12 . 3nm的單分散體系au納米顆粒;採用wessling的前驅聚合物法獲得導電聚合物ppv前驅體。
  8. Due to the short distance among the planes which fly in a group, the conventional low resolution radar can not distinguish them in both distance and azimuth ? if we use the technology of isar to resolve the difference among doppler frequency of the targets and obtain a fine resolution cross - cross image, we may separate them, but a long time of coherent processing is needed <, for the formation targets, it can be approximately divided to rigid body and nonrigid body, so for the formation targets, that can be regarded as rigid which has a relative position and an identical movement, can be approximately considered as a large target, and be compensated by translational phase with the rule of minimum entropy, but for the most those cannot accord with the approximation of rigid, being the doppler - frequency of the aim is linear changed, by the relax method with short data, increases the resolving performance of multiple target to the aim in the frequency domain, since cross - range resolution is based on the accumulative time, so it is greatly improve the resolution to formation targets by the instant cross - range image which produced by radon - wigner transformation

    低分辨isan成像及干涉技術用研究一因此直接無法分辨編隊目標的架數,我們借鑒isar的技術,通過較長時間的相干積累,在多普勒頻域上對目標進行分辨。而對于編隊目標,可分為剛性的多目標和非剛性的多目標,所以對于可以為剛體的編隊目標相對位置固定,運動方式一致,可以看作一個大目標,採用最小墑準則對平動相位的進行補償,但是大多數並不滿足剛體的編隊目標,由於目標在相干積累時間的多普勒頻率呈線性變化,通過對較短數據利用relax的時頻分析方法,提高了頻率域上目標分辨的性能。由於橫向解析度取塊于橫向積累時間,所以利用radnwigner變換得到瞬時的一維橫向距離像大大提高了對編隊目標的分辨,對模擬和實測數據的大量分析結果表明此方法的有性和可行。
  9. The optical - limit glauber theory has been of great success in describing the stable nucleus scattering at high energies. as it is extended to the nucleus scattering at low and intermediate energies, the modification of the coulomb field to the effective impact parameter and the diffuseness of the nucleon - nucleon ( n - n ) scattering in the forward direction has to be taken into account

    其中光學極限的glauber模型能很好地描述高能小角度的穩定核散射,進一步推廣用於研究中低能穩定核散射時,需要考慮庫侖相互作用對有碰撞參數的修正和核子?核子兩體散射在朝前方向的彌散。
  10. The equation including the nonlinear dispersion, i. e. the modified nonlinear schrodinger ( mnls ) equation, is a better model. in this thesis, we take mnls solitons as a model for femtosecond soltions. then based on the recently developed direct perturbation theory for perturbed mnls equation, we study the raman self - frequency shift of femtosecond solitons and its suppression by the means of frequency filters. for this purpose, first, we define the physical parameters of mnls solitons ; next, through the direct perturbation theory for perturbed mnls equation, under adiabatic approximation, we obtain the evolving parameters of mnls soliton on our questions and then choose the parameters of frequency filters based on it ; at last, we directly numerically simulated our questions by split - step fourier ( ssf ) method after improving the arithmetic of the differentiation of the nonlinear item for satisfying mnls equation

    本論文以mnls孤子作為光纖飛秒孤子的模型,通過新建立的mnls孤子直接微擾理論,研究光纖中由拉曼引起的飛秒孤子在傳輸中的自頻移,以及通過頻率濾波對自頻移的抑制。為此,首先給出描述mnls孤子的各物理量,然後用mnls孤子直接微擾理論,解析地得到這些問題絕熱下的孤子參數演化,並由此選擇頻率濾波的參數,最後用分步傅里葉方法,在對非線性項微商的演算法做出了適合於mnls孤子的改善後,對拉曼及頻率濾波進行了直接數值模擬,其中頻率濾波參數用微擾理論確定。
  11. The paper establishes planar structural analytical method which is equvalent to spatial structural analytical method by comparing both of the results. based on planar structural analytical method, spacial effects of foundation deformation are acquired approximativly, which provides a practical method. 5

    根據空間結構分析結果和平面、空間對比分析結果,建立了與空間結構分析結果等的平面結構分析方法,利用平面結構的分析方法即可得出的地基變形的空間作用,為實際用提供了簡化、實用的方法。
  12. Our treatment shows in the raman effect case, mnls solitons, the same as nls solitons, keeps its energy, initial center and initial phase unchanged. however, the raman effect, not the same as nls solitons. reduces its amplitude, widens its width and under the same conditions, the self - frequency shift of mnls soltions is closer to the result of numerical simulation. in the raman effect together with frequency filters case, mnls solitons, the same as nls solitons, keeps initial center and initial phase unchanged and bandwidth - limited frequency filters can make the mean frequency of mnls soltion stand a steady value at the red side of the initial mean frequency, i. e. suppress the self - frequency shift of mnls soltions. and that, the other physical parameters of mnls soltion last stand a steady value. however under the same conditions, the steady value of the mean frequency of mnls soltions is closer to the initial mean frequency and the result of numerical simulation

    有所不同的是, raman雖然不改變孤子能量,但會引起孤子峰值的下降和寬度變寬,且在同一條件下, mnls孤子微擾理論得到的自頻移比nls孤子微擾理論得到的更接直接數值計算結果。有限帶寬的頻率濾波也不引起mnls孤子初始中心、初始位相的改變,選取適當的頻率濾波器參數值能使孤子的平均頻率穩定在初始平均頻率的紅側一穩定值,抑制了自頻移,而且孤子的各物理量最後都穩定在一穩定值,這些與nls孤子微擾理論都是類的。有所不同的是,寬度為飛秒量級下, mnls孤子平均頻率的穩定值更接初始平均頻率,更接數值計算結果。
  13. The design tools of isight such as integration, design of experiment, approximation and optimization are applied to develop the design and optimization software for airfoils of wing - in - ground air vehicle

    本文用多學科優化軟體isight的過程集成、試驗設計、模型、優化演算法等功能開發了地飛行器翼型優化設計軟體。
  14. Nuclear reaction is the important mechanism for causing single event upset as well, especially for high - energy protons. all the formula needed for simulating proton - induced radiation effects are deduced. to bypass the obstacle of lacking nuclear reaction parameters of high - energy protons interacting with silicon, the author successfully obtained the necessary nuclear reaction cross sections by combining an intranuclear cascade nuclear reaction model with monte - carlo simulation, which are applied to the calculation of seu

    整理、推導了數值模擬所需要的計算公式及連續慢化下的輸運方程,自行編制了輻射屏蔽計算程序、單粒子計算程序、熱?力學計算程序,並對所有計算程序進行了對的驗算,計算結果與公開發表的理論或實驗結果相符合。
  15. Verdu derives the ideal of multi - user detection in 1986. the multiple access interference, he deemed it has available information in certainly structure. adopted by the mlsd in the theoretical, it has many good abilities, such as its capability close with the single user ' s, near - far resistance, raised the capacity of the system. thereby come to operate the mud ' s research

    1986年, verdu提出了多用戶檢測思想,認為多址干擾是具有一定結構的有信息,理論上證明了採用最大然序列( mlsd )可以逼單用戶接收性能,並有地克服了遠,大大提高了系統容量,從而開始了對多用戶檢測的研究。
  16. The numerical results indicate that the deformation within the solid inner core is very small. however, in the fluid outer core, the changes of the displacement with relatively low spherical harmonic degree ( n < 10 ) is very complicated via the radius, due to the resonance near the eigenfrequenies of the core long - period oscillations. while the spherical harmonic degree of the loading is larger than 10, the deformation and the gravitational perturbation in the core are very small, and the earth ' s deformation response is dominantly represented as the radial displacement in the elastic mantle

    研究了地球在日月引潮力和表面負荷作用下的形變特徵,數值計算結果表明,在固體內核中的形變很小,由於在長周期核模本徵頻率附的共振,液核中低階( n 10 )位移隨半徑的變化非常復雜,當負荷階數超過10時,地核中的形變和擾動位都很小,地球的響主要表現為彈性地幔中的徑向位移,且隨深度增加急劇減弱,地表負荷love數與信號頻率的依賴關系很弱,給出了體潮love數計算的一種有處理方案。
  17. Finally, the three kind of calculating formula about ultimate bearing capability under the sticking gfrp to reinforce concrete pole will be brought forward according to experiments " result, which is valid can be used in many other practical reinforce projects effectively

    最後提出gfrp組合rc柱設計承載能力的三種不同計算公式即箍筋比擬法、綜合系數法、平衡法,以便能有用到實際加固工程中去。通過本試驗中的試驗數據證明,這三種方法都是有的。
  18. For structural member, the following assumption may be taken : failure perfect correlation assumption of structural member : when structural member failure, the function restriction that correspondence to the most serious failure mode will failure first ; or when structural member failure, the serious failure mode will be true first

    對于結構構件,可以採用失模式全相關假設:構件失模式全相夫假設:構件夫時,構件最嚴重失模式所對的功能函數或約束首冗破壞;或構件火時,最嚴重大模式首先為真。
  19. Lagrange wave speed in the release process was computed from the measurement, and result shows a good agreement with the data in literature. furthermore from the lagrange wave speed, the stress - strain relationship in the release process was calculated using the impedance match solution. comparison of the stress - strain with the fluid elastic - plastic model indicates that ofhc copper exhibits a clear work - harden behavior during the release

    根據界面粒子速度剖面,計算得到了卸載過程中lagrange聲速隨界面粒子速度變化的關系,所得結果與文獻給出的數據符合很好;其次,利用阻抗匹配,計算分析了無氧銅卸載過程的力-變關系,並與流體彈塑性模型進行了比較,結果表明:無氧銅的卸載過程存在明顯的變硬化
  20. The first aspect is about the distribution function for fermions in quasi - equilibrium qgp which is perturbed by the fluctuation of the color field. neglecting the affect of the spin and the collision between the particles in qgp, the distribution function for fermions in quasi - equilibrium qgp has been obtained. further more, the physical " basses that decide the departure factor are analyzed

    第一,從qgp動力論出發,忽略自旋和碰撞,得到qgp在色場漲落擾動下偏離平衡態而處于平衡時的分佈函數的二級以及偏離因子的物理表示,進而分析了決定偏離因子的物理因素。
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