fluctuation effects 中文意思是什麼

fluctuation effects 解釋
波動效應
  • fluctuation : n. 1. 波動,起伏,漲落;【物理學】脈動。2. 動搖不定,躊躇。3. 【生物學】彷徨變異。
  • effects : (游戲)效果
  1. According to the markov approximation under a long haul condition, we get the inter - correlation function, log - amplitude and phase covariance function. the thesis puts much emphasis on three phenomenon of the laser under the effects of turbulence, i. e., intensity fluctuation ( atmosphere glistening ), beam floating and extension, phase fluctuation

    重點介紹湍流作用下的激光的三種物理現象及其產生機理,即強度起伏(大氣閃爍) ,光束漂移和擴展,相位起伏和到達角起伏。
  2. When the iliquidity risk was not included in the test, the size effects was proved to exist in china ' s stock market. from the reality of china ' s stock, it is believed that the abnormal return can be accounted for by the illiquidity risk caused by manipulation. to verify the hypothesis, the turn - over rate, fluctuation of turn - over rate, the rate were introduced into the study. this study provided a joint test of the factors above

    這表明在我國的股票市場,小公司效應與投資環境有關,在時間上與管理層對股票市場的政策變化有較高的相關性。在不包含流動性風險的時候,對股票的超額收益與其規模因子進行分析,發現股票表現出小公司效應。筆者從中國股票市場的實際情況出發,認為小公司效應的存在是由於超額收益沒有考慮到市場操縱而產生的流動性風險。
  3. With the trend of openness and integration of globlal economy, exchange rate is playing more and more important role in influencing the allocation of global resources. the sensitivity of the price of tradale goods to exchange rate fluctuation becomes the focus of international economics because it is a critical vector and transmitter when an economy is confronted of exogenous impact. traditional international economics theory assume that nominal exchange rate fluctuation has complete pass - through effect, namely it ’ s change will introduce proportional change of tradable goods, then it will influence such macroeconomic vector as term of trade, import and export, inflation, employment, productivity, income allocation, and so on. from a microeconomic angle, including pricing to market, innovative behavior, menu cost and sunk cost, the paper probe into the pricing model of international enterprices under floating exchange rate and testify the incomplete pass - through of exchange rate and it ’ s detailed reason, then discuss the inspiration it has on china. it ’ s believable this kind of research will play a big part in china ’ s exchange rate scheme and some macroeconomic problems such as exchange rate tranmitting channel and effects, exchange rate fluctuating behavior

    傳統的國際經濟學理論認為,名義匯率的波動具有完全的傳遞性( completepass - through ) ,即它的變化會引起同比例的進出口貿易品相對價格以及貿易品和非貿易品相對價格的變化,然後通過需求變動的支出轉移效應( expenditureswitching )來影響國內經濟的諸多宏觀變量,如貿易條件、進出口貿易額、通脹水平、就業量、勞動生產率以及收入分配等,本文從依市定價( pricingtomarket ) 、創新行為、菜單成本以及沉澱成本等四個不同的微觀角度,通過對浮動匯率下國際壟斷競爭性生產廠商的定價模型具體而透徹的探討,論證了匯率的不完全傳遞性並深入分析了決定匯率傳遞彈性的重要影響因素,闡述了該理論對人民幣匯率的啟示,這樣的研究會對我國今後的匯率政策以及匯率的傳導機制、傳導效應、波動行為等宏觀經濟問題起到重要的作用。
  4. In chapter 2, we analyzed the effect of the driving field phase fluctuation on the gain and dispersion and population differences in an open v - type three - level non - inversion lasing system and then discussed the effects of the incoherent pumping rate, the ratio of the atomic injection rates, the atomic exit rate, the rabi frequency of the probe and driving fields and their corresponding detuning on the gain, dispersion and population differences of the system, and got some important conclusions different from those in closed or other open systems

    第二章討論了驅動場的相位漲落對開放的v型三能級無反轉激光系統的影響,根據解析解的數值計算結果討論了非相干泵浦速率、粒子注入速率之比、粒子退出速率、探測場和驅動場的rabi頻率和相應失諧對系統增益、色散和粒子數差的影響,得到了一些不同於封閉的v型系統及其他開放的無反轉激光系統的重要結論。
  5. The fundamental theory and equations for the pressure fluctuation are described and the wall pressure fluctuation is measured. based on the experiment data, the characteristics of pressure fluctuations are analyzed in the three - phase flow of water, air and sand. the effects of air concentration and sediment content on the amplitude and frequency of pressure fluctuations are discussed

    建立了多相流壓強脈動基本方程,闡述了水流脈動壓強基本理論,分析了壓強脈動機理;根據試驗數據,探討了水、氣、沙三相流體的壓強脈動特性,初步得到了高速含沙摻氣水流脈動壓強的幅值特性與頻域特性;提出了脈動壓強強度系數、脈動壓強極差系數與含沙量、摻氣濃度的關系。
  6. This article takes hanging off and wide fluctuation of transmition velocity of adsl as example, then analysis centers on the discerte multiple tone and the principle of channel load assignation. from analysis above article points out the root of adsl being sensible of noise signal. at last, reserches effects that window function and barrier effect on frequency and adopts fft to work out the noise power of adsl

    本文以電信現在推出的adsl傳輸中鏈路經常掉線和傳輸速率經常大范圍波動為例,重點分析了adsl所使用的dmt調制方式和注水演算法分配通道載荷方式原理,由此指出adsl對噪聲信號敏感的根源,在得到問題的根源之後,分析了窗函數和柵欄效應對頻譜的影響,採用fft方法計算adsl線路的噪聲功率譜,為adsl線路測試提供了可靠的理論依據。
  7. Secondly, for the first time, by volume average concept and reynolds time - average method, a 3d quasi - single phase mass transfer model of distillation tray is deduced by considering the effects of velocity fluctuation, concentration fluctuation and volume fraction of gas and liquid on mass transfer. a source item sc for interphase mass transfer is considered. by applying conventional method of estimating the interphase mass transfer coefficient, a formula for sc is obtained

    其次,採用體平均概念、雷諾時均化方法結合塔板氣液相互作用的實際情況首次推導了考慮速度、濃度脈動項和氣、液相含率影響的塔板三維擬單相流湍流傳質模型,源相中考慮了氣液相間傳質項sc ,並運用化工中關于相間傳質系數計算的理論,推導了sc的表達式。
  8. A dfdl model including gain saturation effects is developed and this model is used to study the fluctuation of the pulse width theoretically, which is identical to the experiments. in order for ps pulse amplification, the saturation fluence for krf at 10 ps and gain of the discharge krf laser are monitored. 4

    開展了10pskrf激光在空氣中的傳輸實驗研究,計算了自導引區內的閾值光強,觀測到光束自聚焦和自導引現象,測量了自導引區域內的等離子體密度,並對激光脈沖的傳輸演化進行了分析。
  9. China is one of the countries which are harmed by storm surge both tropical and temperate cyclones, the disaster of storm surge can occure every seasons and from south to north in china ' s coastal area. based on the analysis of the features of temporal and spatial changes of storm surge disaster in the recent 50 years, this paper focuses on the frequency changes of historical records in recent 500 years and measured data in recent 50 years of storm surge disaster and the relationships between storm frequency change and climate fluctuation. meanwhlie, the effects of future increase in the frequency of tropical cyclones landing or affecting china and relative sea level rise with global warming on storm surge disaster of china ' s coastal area also discussed. the results show that, in recent 500 years, there are direct relationships between storm frequency change and climate fluctuation, i. e., high global mean temperature correspond with high storm frequency and low mean temperature correspond with low storm frequency. storm surge disaster in china ' s coastal area will be exacerbated with global warming

    中國是全球少數幾個同時受臺風風暴潮和溫帶風暴潮危害的國家之一,風暴潮災一年四季,從南到北均可發生.本文基於中國沿海近50年風暴潮災時間變化和空間分佈特點的分析,著重探討了近500年全國及長江、黃河、珠江三角洲的歷史記錄和近50年實測風暴潮災發生頻次的變化及其與氣候波動的關系,並對未來全球變化背景下,中國沿海風暴潮災的變化趨向進行了討論.結果表明:近500年來,中國沿海的風暴潮災在氣溫較高的偏暖時段比氣溫較低的偏冷時段明顯增多.近50年實測臺風暴潮災的變化也是如此,而溫帶風暴湖的變化則與此相反.未來全球變化引起的登陸影響中國的熱帶氣旋頻次增加和相對海平面的上升,均將導致風暴潮災呈加重的趨向
  10. We put our emphases on four sections : the opening of the energy gap and its effects on the thermodynamic properties in low temperature, quantum fluctuation and the hidden long - distance order parameters, the magnetization and the specific heat properties under the extern magnetic field of the ferromagnetic chain, and the energy spectrum of the ferromagnetic ladder

    著重研究在一維量子自旋系統中的能隙的打開、以及能隙對系統熱力學性質的影響;量子漲落和系統隱含的序參量;亞鐵磁的在外場下的磁化性質以及比熱性質;和亞鐵磁雙鏈系統中的能譜。
  11. In particular, squeezing effects, due to the quantum fluctuation of one quadrature phase smaller than that in coherent state, can be used in optical communication and other fields

    特別是具有壓縮效應的量子態,由於在壓縮態中光場振幅的量子漲落小於相干態相應的量子漲落,使得它在光通訊等領域有著廣闊的應用前景。
  12. We find these three different actions have similar effects : they all can divide the system into two different phases, which can be described by two different order parameters respectively. beyond this, we still investigate the quantum fluctuation in the system

    我們發現這三個不同的作用對系統有著類似的影響:它們將系統的基態劃分為兩個不同相,我們可以用兩個不同的序參量來分別描述著這兩個相。
  13. As for the main components of this pattern, it includes the following factors : openness and nonequilibrium state are the prior condition ; fluctuation is the original causation ; competition and synergetic effects are the driving force ; gradual change and violent change are the developmental approach ; innovation is the starting point and the destination of the curriculum development

    開放和非平衡是課程發展的前提條件;漲落是課程發展的起因;競爭和協同是課程發展的動力;漸變和突變是課程發展的途徑;創新是課程發展的出發點和歸宿。
  14. The analytical solutions of the gain, dispersion and population difference in the steady state of an open ladder lasing without inversion ( lwi ) system are at first given when the phase fluctuation of the driving field is considered. then the effects of the driving field phase fluctuation on the gain, dispersion and population difference are analyzed by the numerical results from the analytical solutions. our research shows that the phase fluctuation of the driving field will results in a finite line width ; with the line width increasing, the gain decreases monotonously, however, variation of the dispersion isn ? t monotonous, it has a maximum value when the line width takes some value ; the line width varying can ? t lead to change lasing from without to with population inversion

    給出了有驅動場位相漲落的開放的梯型無粒子數反轉激光( lwi )系統增益、色散和布居數差的定態解析解,進而用得到的數值計算結果分析了驅動場位相漲落對增益、色散和布居數差的影響.研究結果表明,驅動場位相漲落將導致有限線寬;隨著線寬的增加,系統增益單調地減小,但系統色散的變化並不是單調的,當線寬取某個值時,色散有極大值;線寬的變化不能導致無反轉激光向反轉激光的轉變
  15. Since the effects of turbulent atmosphere is prominent, this thesis concentrates on the effects of the turbulent atmosphere on the laser beam propagation in the atmosphere. the atmosphere refractive index model, especially refractive index fluctuation, power spectrum, phase spatial structure constant are introduced in the following and the specific structure function is achieved

    根據大氣折射率模型,以及折射率起伏功率譜密度和相位空間結構常數,得到具體的結構函數;通過長程情況下的馬爾科夫近似,得到了互相關函數,對數振幅和相位協方差函數。
  16. The exchange rate fluctuation has many effects on the economy. the analysis to such effects is quite valuable

    匯率波動對於一國的經濟有各種的影響,其效應分析也極富有現實意義。
  17. The degradation of the performance of the system, which is caused by chromatic dispersion, gain fluctuation and fluctuation and non - linear effects in fiber, is analysed and some scenarios are suggested to solve them

    在對國內外wdm系統理論和實驗研究進展進行廣泛研究的基礎上,重點討論實現wdm系統的關鍵技術和如何克服色散、增益失衡和非線性等影響性能的因素。
  18. But multi - wavelength transmission and thd employment of erbiumdoped droped fiber amplifier ( edfa ) will cause a number of new problems, such as chromatic dispersion, gain fluctuation, fluctuation and non - linear effects etc. ths problems should be solved in building wdm fiber transmission system

    不過,隨著摻鉺放大器( edfa )在系統中的大量使用,也會帶來一系列相關問題,如:色散、增益失衡、非線性效應等等。在建立一個wdm光纖通信系統的時候,必須很好地解決這些問題。
  19. Various important effects brought by noise in nonlinear systems, such as noise inducing phase transition, stochastic resonance, nonequilibrium fluctuation - induced transport, open up a wide range of applicability of the stochastic theory

    =非線性系統中噪聲所產生的各種重要效應,如噪聲誘導相變、隨機共振現象、非平衡漲落誘導輸運等為隨機理論開辟了十分廣闊的應用前景。
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