值域效應 的英文怎麼說

中文拼音 [zhíxiàoyīng]
值域效應 英文
range effect
  • : 名詞(在一定疆界內的地方; 疆域) land within certain boundaries; territory; region
  • : 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...
  • 效應 : [物理學] effect; action; influence
  1. Furthermore, the dq value ranges of profile multifarctal spectra in different landform types and in different directions of the same sections perform different properties and anisotrpies. it can be concluded that the landscape fractal properties depends closely on the int ensity, manner and inhomogenity of exogenic and inogenic processess, and with the properties, we can study quantatively the dynamic geomorphic process. by using the same methods just above, local fractal dimensions d, crossover length tc and the multifractal spectra dq - q of two large - scale landform profiles ( across and along tianshan mountain ranges respectively ) are calculated. the results show that in the studied scaling range the two profiles perform different scaling properties, and both of them can be divided to three evident different linear scaling subsections

    不同類型地貌區二維地貌表面也表現出多度分形特徵,而且隨著觀測尺度的增加,每個區間的分維均表現為依次減小,表明外營力作用的影響逐漸被內營力作用所取代:不同類型地貌區在相區間的分維表現為高山區中低山區盆地區,體現了不同類型地貌表面粗糙性或復雜性的差異,因此分維大小可作為地貌表面外營力侵蝕作用強度的重要指標:利用標度區的間斷點和各種地貌類型表面分維或宏觀趨於一致,提出5 - 6km左右可作為地貌的宏觀臨界點,並且與利用地貌剖線研究所得到的5km這一數是基本吻合的。
  2. Due to the effect of uentrapment of water and air is considered during the generation of water - filled cells, the method presented here can simulate the objective existing hysteresis between drainage and imbibition process, which can " t be reflected by the previous numerical simulation methods

    由於該法在生成裂隙充水時考慮了水和氣的「圈閉」,故能模擬出裂隙排水與吸水過程間客觀存在的滯后現象,這是以往數試驗法所不能的。
  3. By the result of these experiments, acoustic emission ( ae ) was chosen to use in the research. at the same time, we analyse the phenomenon of acoustic emission at the base of theory, the characteristic signal of acoustic emission which comes from the faulty bearing at the angle of application, and the expression of the characteristic signal. contrast was also made on the data achieved separately from vibrational signal and ae signal, and it is proved that ae is feasible and available to the diagnosis to the fault of the rolling bearing

    主要工作有如下幾方面:對本段前期實驗室階段採用的振動法幅無量綱處理進行了分析,並研製了現場所使用的滾動軸承故障檢測裝置,將無量綱參數診斷法用於段修現場,且做了大量試驗;對于現場試驗中所出現的問題進行了分析,提出將聲發射的方法用於軸承的在線故障診斷;從理論上分析了聲發射現象,從用的角度分析故障軸承的聲發射信號的特徵以及聲發射信號特徵的表示方法,並在實驗室中,採用振動法和聲發射法實時檢測的實驗數據進行了對比和分析,證明了使用聲發射法對軸承故障檢測的可行性和有性。
  4. It is the action rule set down for the realization of the educational targets and tasks during a certain period of time. the economic effect index brought out by the education policy has become an important reference ground for the standards of the educational policy teleology. the consequences and the influences of the educational activities turn out to be more and more obvious during the period of intensive reform

    隨著教育在經濟發展中的巨大作用的廣泛認同,對教育發展起到指導作用的教育政策研究,特別是教育政策經濟價的研究已經成為中西方教育學者研究的重要領,教育政策所能產生的經濟指標已經成為教育政策目的論標準中的一個重要參考依據。
  5. The effect of atomic coherence has attracted much attention in quantum optics such as lasing without inversion, the enhancement of nonlinear process, the storage of pulse and laser cooling

    原子相干在無反轉激光、非線性過程的增強、光脈沖存儲以及激光冷卻等量子光學的眾多領都有潛在的用價
  6. It is a cross - issue involving many subjects simultaneously for us to study the photonic tunneling effect or the anomalous propagation of electromagnetic wave, and, as a young and spunky field, it has theoretical and practical interest

    研究光子隧道穿透或電磁波的異常傳播現象,是一個同時牽涉到多個學科的理論與用的交叉課題,同時也屬於一個年輕且頗具生機的領,研究這一領既有理論價也有用價
  7. In this paper, we study inversionless lasing of frequency up - conversion in an open v - type system with incoherent pump. making theoretical analysis and numerical calculation by density - matrix equations of motion, we derive the conditions for the onset of lwi and discuss the effects of the parameters of the system, the detuning of driving field and probe field on the gain, and discuss nonlinear effect in the frequency up - conversion regime. we also give stability and transient analysis

    本論文研究了具有非相干泵浦的開放v型系統頻率上轉換無粒子數反轉激光,利用密度矩陣運動方程,通過理論分析和數計算,得出該系統產生無粒子數反轉激光的條件,討論系統各參數的變化和驅動場與探測場的失諧對激光增益、色散和粒子數差的影響,還討論了頻率上轉換區的非線性,分析了增益的穩定性及系統的瞬態演化過程。
  8. Referring to the formation process of qd, it is accepted that there formed a groove around the dot during the formation process due to mass - transfer. when the dots were capped by a compound with larger band gap, there will appear a potential maximum due to larger confinement. the maximum will prevent the carriers from entering the dot, and the origin of the kink point is resulted from the prevention

    根據s - k模式量子點的形成過程,我們認為在點的形成過程中由於質量遷移會在點的周圍形成一個凹槽,加上覆蓋層后,由於大的量子限該處將形成一個勢能極大,該勢能極大將阻礙載流子從勢壘層向量子點的注入,該過程是導致上述拐點出現的原因。
  9. 5. the multi - point effect in frequency domain is studied, and the analytical procedure is simplified to some extent, that is, the responding data is accurate enough only with the input according to the first four degressively arranged eigenvalue of earthquake power spectrum matrix. there are disaccordant conclusions of multi - point input analys

    5 、研究了頻內地震動的多點,並對計算過程進行了一定程度的簡化,即只需要計算輸入地震動功率譜矩陣從大到小排列的前4個特徵所對的地震動的動力反
  10. We derive an analytic expression of the group velocity dispersion ( gvd ) induced chirp and the self - phase modulation ( spm ) induced chirp in the normal dispersionregion of non - kerr - like optical fibers with saturable nonlinarity. the evolution of chirp is simulated by numerical methods. the studied results show that the more powerful saturable effects, the smaller is chirp and the gently is chirp. the net chirp is zero in the central region of the pulse

    從理論上推導出具有飽和非線性的非克爾光纖正常色散區內,群速度色散導致的啁啾和自相位調制導致的啁啾解析表達式.利用數解法模擬了非克爾光纖正常色散區啁啾演變過程.研究結果表明:當非克爾光纖的飽和非線性增強時,凈啁啾不斷減小,而且,越來越平緩,脈沖中心附近區凈啁啾接近零
  11. From theoretical analysis, we know the existing demodulation methods have limitations as following : one is that the subtraction of the two signals frequencies will display as the result of demodulation when we demodulate two time - domain adding signals without modulating information ( fault information ) ; the other one is that aliasing phenomenon will occur as a result of getting absolute value, detection or square in the process of generalized demodulation analysis, such phenomenon will result in some superfluous frequency composition on the frequency spectrum, which will puzzle the detec tion of mechanical vibration. if the sampling frequency is selected from a suitable range, the aliasing phenomenon will be avoided ; the last one is that aliasing frequencies will be produced in zoom demodulation analysis because this algorithm cannot employ digital low - pass filtering to avert the folding frequencies of higher harmonics in the process of zoom sub - sampling

    現有的解調分析方法存在以下三種局限性:將不包括調制信息(故障信息)的兩時相加信號,也以其頻率之差作為解調信號而解出;廣義檢波濾波解調分析中,由於取絕對、檢波或平方過程可能產生混頻,在解調譜中表現為無法分析的頻率成分,並由此推導出避免這種混頻現象的采樣頻率的選取范圍,從根本上避免此類誤診斷的產生;幾種細化解調分析新演算法中,因為無法在細化分析的選抽時進行數字低通濾波,有可能會出現調制頻率的高次諧波成分發生頻率混疊而反折到低頻部分的現象。
  12. The control equation consist of completely coupled deformation equation, seepage equation, conduction and convection equation of heat, which describe the reservoir non - liner performance. 2, present the detailed strategy and methods to solve this mathematics model, the basic strategy as follows : regard the deformation equation ? seepage equation conduction and convection equation of heat as separate system, and solve the equation by coupling and iterative method ; disperse the control equation in the geometry field by the finite element method ( galerkin ), and in the time field by the finite difference method : programme the computer program on this task ; when the solving, take the combinative measures of the thick and thin mesh ; successfully carry out the numerical simulation in vast 3d heat extraction system of hdr

    2 、提出了高溫巖體地熱開發的固、流、熱多場耦合數學模型的數解法,其基本的求解策略是:將固體變形,流體滲流與溫度場方程看成獨立的子系統,耦合迭代求解;利用有限元離散( galerkin )方法將控制方程在幾何上離散,並用差分法得到時間上的離散方程,並在此基礎上,編制了相的計算機源程序;有限元求解中,為減小邊界的影響,在計算中採取粗細網格結合的方法,順利地實現了高溫巖體地熱開發三維巨系統的數模擬。
  13. It is built as an open platform for scientific research on groundwater circulation at different scale, resource and environment effects, water - salt flux variation at interface and effects on the global climate induced by human activities, assessments of regional groundwater and the detective technology, isotopes during the groundwater evolution, numerical simulation and predict technique

    發揮我所尖端科研資源優勢,建設開放式創新研究平臺,主要支持開展不同時空尺度地下水循環演化過程、資源與環境及其動力學,層圈間不同界面水鹽通量變化及其對全球氣候變化和人類活動影響的響機制,區含水層系統探測技術與評價理論,地下水演化的同位素與數模擬、預測技術等研究。
  14. It is found during the cooling down in some local region that the normal stress difference varies from positive to negative and then turns positive again. the stress accumulates rapidly in the followed thermal treatment in this region, where the chip - on - board package tends to fail from

    在冷卻過程中某些局力差的變化規律為:該差從正變到負再回到正,呈振蕩狀態;局隨熱循環進行力將急劇增加,即處于力相對集中的狀態,這樣的區是晶元易於失的區
  15. But, though considerable process has been made in the last ten years, digital watermarking is still in its infancy, and much interesting work remains to be done this thesis addresses some problems in the gray - scale image digital watermarking that are summarized below : 1 ) whereas the basic theory of digital watermarking is still very poor, a digital watermarking mathematic model based on imperceptibility and robustness is presented by analysising the characteristic of digital watermarking ; 2 ) based on the model constructed above, by defining the measures of capacity and robustness of digital watermarking, an objective method for evaluating the digital watermarking is introduced and used to analysis some algorithms ; 3 ) whereas geometric distortion always influences the restoration of watermark, we advocate to enhance the robustness against geometric distortion by restoring the image which has been distorted by geometric transformation, and a method is designed for estimating the parameters of geometric transformation ; 4 ) based on the conclusion discussed above, and combined with the masking effects of hvs, a novel public meaningful gray - scale image digital watermarking is designed by analysising the characteristics of image gray - scale interpolation and haar wavelet transformation. the experimental results show that the method is indeed powerful ; 5 ) whereas many image digital watermarking schemes, which embed watermark by modifying the values of pixels in spatial domain and transformed domain, are confronted with the conflict between the imperceptibility and robustness, we advocated to use some stable digital characteristics of host image as watermark and a algorithm based on hermite matrix is designed

    本文重點對灰度圖象數字水印技術進行研究,主要工作如下: 1 )鑒于目前數字水印的理論研究比較薄弱的現狀,本文通過分析數字水印的特點,建立了一個數字水印的數學模型,為進一步研究數字水印打下了基礎; 2 )根據以上建立的模型,通過引入容量和穩健度的概念為數字水印提供了一個客觀評價方法,並對一些數字水印演算法進行了分析; 3 )為增強數字水印抵抗幾何攻擊的能力,研究了受幾何攻擊的圖象的復原問題,並給出了一個計算圖象幾何變換參數的方法; 4 )通過分析圖象灰度插演算法和haar小波變換的特點,結合hvs的掩蔽,設計了一個公開的有意義數字水印演算法,實驗結果表明本演算法具有較強的穩健性; 5 )目前許多水印演算法都是通過在空或頻修改象素的方法嵌入水印的,這種方法面臨著透明性和穩健性的矛盾,為解決這個矛盾,本文提出以圖象的某些穩定的數字特徵為水印的觀點,並結合hermite矩陣的特點設計了相的水印演算法,實驗結果表明該演算法具有較好的穩健性。
  16. The calculation of the position of the shocks for the domain decomposition of the hyperbolic approximation is discussed. it is the matching stable problem for the different schemes in the different domains with different mesh size. after tracing the position of the shocks, the artificial compression method are applied to eliminate the smearing effect and to raise the resolution of the schemes. in the boundaries of each regions, the universal connected matching stable schemes are inserted in so as to make the schemes between different regions matching stable each other. at last, some numerical examples are presented

    討論在激波計算中的區分解法,即在不同區用不同網格及格式的耦合穩定性問題.先定出激波位置,再在激波附近小范圍內,用低階格式及人工壓縮方法以消除彌散.在激波區外,用高精度格式,減少了過超振蕩現象,提高了解析度.在各區交界用全能穩定聯接格式,解決了格式的耦合穩定問題.最後舉出數計算實例,計算結果與理論分析符合
  17. Hamiltonian systems arise widely in the fields of physics, mechanics, engineering, pure and applied mathematics, etc. it is generally accepted that all real physical processes with negligible dissipation could be expressed, in some way, by hamiltonian formalism, so that the research work for corresponding numerical methods is of important interest

    Hamilton系統廣泛地出現於物理、力學、工程、純數學與用數學等領。通常可以認為,一切耗散可忽略的真實物理過程,都能夠以某一方式表達成哈氏方程的形式。從而,對其數方法的研究無疑具有重要意義。
  18. The paper begins with water resource value based on sustainable development theory. after analyzed the success and failure of past viewpoint of water resource value, the meaning of water resource value is come up with. then we get the new regional water price theory : as a kind of commodity, water price should include not only property right value, the fare of project investment, but also the minus value against the environment brought during the process of exploitation and use, besides, it is influenced by the supply and demand situation

    論文圍繞水資源價展開論述,在分析了以往水資源價理論的得失后,給出了水資源價的內涵,據此提出了基於可持續發展的區水價模型:水作為一種特殊的商品,其價格該包括水資源的產權價、工程成本以及水資源在開采和使用過程中對環境造成的負的補償,並受市場供求關系的影響。
  19. It is approved that the deficiency level keeps relatively the lowest and the dielectric constant however shows the highest, if the contents of mn3 + and la3 + are comparatively the same. on the contrary, the dielectric constant decreases with increasing the contents difference of mn3 + and la3 + ions. the effect of overlap appeared when the dielectric loss was aroused due to the activation of positive and negative carries at certain temperature, which brought abnormally high dielectric loss

    證實了材料在mn ~ ( 3 + )含量與la ~ ( 3 + )含量相當時體系中產生的缺陷相對最少,其介電常數最大,反之隨兩者含量偏差的增大而下降;材料中由正負兩種局載流子在一定溫度下激活過程中產生的損耗出現了迭加,給出了異常的高損耗;材料中隨著mn摻量的增大,體系提供的3d電子數增多,電子輸運通道改善,導電性提高。
  20. In order to assess the performance of the proposed methods, we propose three types of image measures to quantify the performance compared to some other methods. the first type evaluates the fidelity of the reconstructed image by computing the peak signal - to - noise ratio and euclidean distance in cielab color space between the original and reconstructed image in smooth and edge regions respectively. the second type accounts for a major artifact ? zipper effect

    為了評估演算法質量,本文採用了三類評估手段:一是分別計算原始圖像與重構圖像在平滑區與邊界區的峰信噪比與cielab顏色空間的歐氏距離來分析重構圖像的保真度;二是利用數學手段對重構圖像的一類主要失真現象? ? zipper進行定量評估;三是對硬體實現的成本與實際可行性進行了分析。
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