指數階數 的英文怎麼說

中文拼音 [zhǐshǔjiēshǔ]
指數階數 英文
exponential series
  • 指 : 指構詞成分。
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 階 : 名詞1. （臺階） steps; stairs 2. （等級） rank 3. [醫學] （耳蝸的三個螺旋管的任一個） scala 4. [數學] order 5. [地質學] stage
  • 指數 : 1. [經] （比數） index number; index 2. [數學] exponent
  1. At present, our country enact the defined interest rate policy, the interest rate is not marketed, but our country reinforce market economy, the method of government debt bond market clean price trade is adopted, the government bond debt index of the stock exchange institution of shanghai, the usage of the usa bid in the government debt bond market, the market factors are more and more t influence the government debt bond market benefit, the marketed interest rate is on the agenda

    現階段，我國實行利率管制，利率沒有市場化，但我國實行市場經濟，目前國債市場採用凈價交易，我國的國債法即將出臺，上海證券交易所的國債指數運行，國債發行市場美國招標使用，國債發行流通日益市場化，市場因素越來越在國債市場發揮巨大作用，利率市場化已經走上了日程。
  2. This paper discusses whether the definitions of heavy - tailed distributions produced by slow - varying function and the definitions of heavy - tailed distributions produced by exponential echelon matrix are congruous

    摘要討論了由慢變化函數形式給出的重尾分佈定義，與由指數階矩形式給出的重尾分佈定義是否一致。
  3. This paper use the ncep / ncar day - to - day reanalysis data of 500hpa high field and so on, choose ural mountain, baikal, okhotsk as the key district, the mid - high latitude of eurasia circulation courses that have long duration ( scale of time is middle, namely during 10 - 30 day ), maybe continue continuously after being intermittence of 1 - 2 days in middle, appear repeatedly is for research object, define an index " i " of the circulation pattern over mid - high latitude of eurasia. a method is proposed to identify the summer typical persistent circulation pattern at 500hpa levels over eurasia mid - high latitude. the climate characteristics of those typical persistent circulation patterns are studied

    本文利用ncep / ncar再分析逐日500hpa高度場等資料，選擇烏拉爾山、貝加爾湖、鄂霍次克海這三個地方作為關鍵區，以夏季歐亞中高緯度持續時間長（時間尺度屬于中間時間尺度，即10 ? 30天之間） 、中間可能會間歇1 、 2天然後又繼續持續、反復出現的環流過程為研究對象，定義了一個夏季歐亞中高緯流型指數，在此基礎上提出了一種對夏季歐亞中高緯500hpa典型持續流型的界定方法，研究了典型持續流型的氣候特徵，分析了流型指數的年代際變化，以及對應不同階段、不同流型的降水場、加熱場、海溫場等的主要特徵。
  4. The results indicate that ( 1 ) land production is on the basic development level, the restrictive factors of land production are the ratio of land production, product of crop, the area of medium and low production, multiple crop index

    研究結果表明：土地生產力處于基本可持續發展階段。土地生產率、公頃糧食產量、中低產田的面積、復種指數等對土地生產力的持續發展起限製作用；資源環境保護從初步可持續發展到基本可持續階段。
  5. The motion of plunger of oleo damper excited by colored gaussian noise with exponential correlation time is governed by first order nonlinear differential equation

    摘要油液阻尼器受指數型高斯色噪聲外激勵時，活塞在油腔內的運動可用一階非線性動力學方程描述。
  6. Using the net assets per capital, the investment return rate, the t - m model, the h - m model, the single factor evaluating model which consists of the treynor index, the jensen index, the sharpe index and the square m index, we evaluate the performance of the twelve mutual funds. and we come to the following conclusions : ( 1 ) after the modification of the risk factor, our mutual funds in the recent one year outguess the market ; ( 2 ) better performance comes from the aid of the government, the improvement of the investment environment and the hard, smart work of the managers especially in the way of selecting some securities in the capital market. ( 3 ) though we make progress, there are still many problems which prevent the further development of our mutual funds such as the devise of the management fee and the characteristics of different funds, all of them divided into the subjective ones and the objective ones

    通過使用投資基金單位凈資產和投資收益率指標、單因素整體績效評估模型，包括treynor指數、 jensen指數、 sharpe指數和業績的m ~ 2測度以及t - m 、 h - m模型對12隻樣本基金進行實證研究，實證研究表明： （ 1 ）經過風險調整后，在最近的一年中，我國證券投資基金的業績總體上優於市場基準組合； （ 2 ）基金業績的提高得益於管理層的重視、投資環境的改善和基金經理的經營，而基金經理的良好業績是通過一定的證券選擇來獲得的； （ 3 ）已成為證券市場上舉足輕重力量的基金在發展過程中雖然取得了一定的成績但其進一步發展還面臨著許多問題，有主觀存在的諸如管理費率的設定、基金風格方面的問題等等，也有客觀存在的諸如證券市場現階段的不完善等等，所以，我們應該抓住《證券投資基金法》問世帶給基金業發展的契機，大力促進證券投資基金規范發展，採取各種措施做大、做優和做強基金業。
  7. The modified zndx in comparison with others is well indicative of the severity and extent of flood / drought event and of more objective classification of them, which is therefore quite applicable to a extended area. ( 3 ) the main anomaly structures of grades of drought / food in summer over northwest china present pluvial pattern and dry pattern in all the areas, and spatial changes are opposite pattern from the noth to the south and the west to the east. the first four rotated loading vector fields represent four principal precipitation anomaly areas : the weishui river basin, east of the qinghai - xizang plateau

    但修訂過的zndx指數根據氣溫、土壤濕度及前期氣候濕潤度等因子能夠客觀的反映出西北地區的旱澇特徵。 （ 3 ）西北地區季與年區域旱澇等級表明：西北地區的乾旱雨澇有顯著的階段性和年際變化特徵。 1980 』 s到1990 』 s中期，氣候較濕潤，土壤濕度增墑較明顯； 1990 』 s中期以後是40年乾旱最異常的時段； 1960 』 s旱澇交替發生，旱澇趨勢接近常年； 1970 』 s氣候雖乾旱，但沒有1990 』 s中後期顯著。
  8. The paper concludes that the changing rate of ndvi of rain forest in tropic is the smallest, the changing curve is smooth, while the changing rate of ndvi of the deciduous broad leaf forest in warm - temperate zone is the largest the change of ndvi is the most conspicuous in winter and spring ( especially in april ) while is not conspicuous in summer and autumn by analyzing the change of ndvi along latitude using the ndvi value of different vegetation types along the same longitude. the vegetation index from warm temperate zone to semitropical zone has obvious transition, while other areas have no distinct change by analyzing the change of ndvi from temperate zone to semitropical zone to tropical zone using ndvi averagejn the same time it is concluded that the sink value in the beginning of the year 1995 is from the influence of the monsoon in east of china by analyzing the ndvi curve of several typical needle leaf forests. the relation between ndvi value and temperature is conspicuous while the relation of precipitation is less or not by analyzing the relation between ndvi and temperature and precipitation finally it can get the conclusion that the change of river area is the smallest, the change of sienna area is the greatest by analyzing two phases of tm data in 1987 and 1997 with rs technic

    利用從同一經度的不同森林類型ndvi值分析，沿緯度方向ndvi變化可得出， ndvi在冬春季變化最明顯（尤其是在4月份最大） ，而在夏季和秋季變化不明顯。利用ndvi均值進行分析，從暖溫帶到亞熱帶到熱帶的變化情況發現，從暖溫帶到亞熱帶ndvi指數形成明顯的階躍，而其它區域沒有太大的變化，同時對幾種典型的針葉林曲線分析可知其年初的凹值源自於我國東部季風的影響。利用ndvi數據分析其與月均溫度與降水的相關性得出與溫度相關性較為顯著，而與降水相關性不顯著或無相關性。
  9. Next, this unstable atom, this new radio - element which we have calle " radio - phosphorus " decomposes exponentially with a half - life of three minutes

    第二階段，這種不穩定的原子，即我們稱之為「放射性磷」的新的放射性元素在3分鐘的半排出期內呈指數級方式進行分解。
  10. With the increase of abandoned time, perennial plants increased, the function communities were richer, p diversity index in two communities reduced with abandoned interval, but the vegetation restoration was slow, the land abandoned for 30 years have not got to climax community

    隨撂荒年限的增加，多年生植物的種類和數量逐漸增加，植物群落功能群構成逐漸豐富，群落間多樣性指數隨撂荒時間間隔的增大而逐漸減小。但植被恢復緩慢，撂荒30年仍未達到頂極群落階段。
  11. We use the leap, linear and exponential methods to reduce the minimum contention window ( ) and the distributed inter frame space ( difs ), so

    提高優先級的方法採用減小dcf中的和difs ，分別採用階躍的、線性的和指數的不同方法實現。
  12. Consequently, i applied the r / s analysis on the composite index of shanghai stock exchange and component index of shenzhen stock exchange from 1996 to 2001, to study the fractal structure of csms. the result of the analysis shows that the returns of the indexes do not obey brownian motion, but follow a biased random walk with hurst exponent being 0. 63 and 0. 65 respectively. hence, we can conclude that the china ' s stock markets are not yet efficient informationally

    本文進一步運用重標極差分析法，分別對進入規范發展階段后的滬、深兩市股價指數日收益率和周收益率進行了分形檢驗，發現上海股票市場和深圳股票市場均具有分形結構，赫斯特指數分別為0 . 63和0 . 65 ，長期記憶周期分別為362天和2犯天，進而得出中國股票市場有效性水平較低的結論。
  13. Tricepstrum equalization algorithm ( btea ) and super - exponential ( se ) algorithm based on block data estimation is studied, and these algorithms use hos explicitly. their performance, such as estimation variance and bias, is analyzed. a kind of sparse cross cumulant and sparse equalizer is proposed to simplify the se algorithm, and the simulating results show efficient reduction in complication

    ?研究了幾種直接使用高階統計量的演算法，包括基於數據段估計的倒三譜演算法和超指數演算法，分析了演算法的估計方差和偏差等性能；由於超指數演算法計算量較大，不利於實時均衡，利用水聲通道的稀疏性，提出了一種基於稀疏互四階累積量和稀疏權的演算法，有效降低了超指數演算法的計算量。
  14. For a maximal subgroup m of a finite group g the normal index of m is the order of a chief factor h / k where h is minimal in the set of supplements of m in g. in this paper we can obtain some results about solvability and supersolvability by using the normal indexes of maximal subgroups of finite groups

    有限群g的極大子群m的正規指數是指g的主因子h k的階，其中h為m在g中的極小正規補。本文利用正規指數的概念，獲得有限群可解，超可解的若干結果。
  15. In this thesis our results on factorial moment analysis of phase space with non - integer partition are presented, which further confirm this theory and provide in the first time a strict measurement of the hurst exponents and intermittency indices in 250 gev / c + p k + p collisions

    本文通過對相空間進行實數分割時的階乘矩分析，進一步驗證了這一理論的正確性，並精確地測出了na22實驗組250gev / c ~ + pk ~ + p碰撞中的hurst指數與間歇指數
  16. In this paper, we study the finite iterated order of growth and the iterated convergence exponent of the zero sequence of nonzero meromorphic solutions of second order homogeneous linear differential equation, and obtain some precision evaluation

    摘要研究了二階齊次線性微分方程非零亞純解的迭代級與零點迭代收斂指數，得到了它們的精確估計。
  17. The normalized factorial moments ( nfm ) show good scaling properties in isotropical partition of phase space ; the nfm ' s projected into three directions versus the. partition. number appear, to be saturated curves with similar in scaling behavior ; and the three hurst exponents are very close to unity. the levy - stability holds for the q = 2 ~ 5 order moments in 3 - dimensional phase - space

    發現：三維歸一化階乘矩（ nfm ）的分佈呈現出很好的標度特性；階乘矩在各個方向上的一維投影呈現出彼此十分相似的飽和曲線，且特徵參量hurst指數都接近於1 ；高維相空間各階階乘矩的分佈滿足l vy穩定性的要求。
  18. In the end, we the find population distribution is approximately according with negative exponential function modal, that means the city population is in adolescent period

    進一步給出數學模型，指出重慶市的人口分布基本符合負指數函數分佈模式，城市還處于成長階段。
  19. In this paper, solutions to some linear equations of the second order with expository functions by composition are discussed

    摘要文獻[ 1 ]討論了含冪函數的一類二階線性方程。本文討論合成法解一類含指數函數的二階線性方程。
  20. In order to deduce the effects on dynamic performances, a method by using prediction filter is introduced. to minish overshoot subsection of input signal with exponent is adopted. these methods are proved by mathematic simulation

    針對動態高型控制方法使系統動態性能變差的問題，提出了利用預測濾波技術改善系統動態性能的方法，進一步提出了利用指數函數將階躍輸入信號分段以降低系統超調量的方法，並通過數學模擬驗證了這兩種方法的有效性。
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