指數系數 的英文怎麼說

中文拼音 [zhǐshǔxìshǔ]
指數系數 英文
index coefficient
  • 指 : 指構詞成分。
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 指數 : 1. [經] （比數） index number; index 2. [數學] exponent
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. A variety of methods including the tabular comparison of data, the tabular comparison of similarity coefficient, the nearest neighbor method and the group - average method of hierarchical agglomerative classification were applied to investigate the forest communities in meizi lake area

    森林植被樣地中以喬木層樹種的重要值為指標，採用紙條排隊法、群落相似系數分類法、最近鄰體法、組平均法對梅子湖森林植被樣地進行數量分類。
  2. On the basis of the study on the speech coder algorithms, paper describe an advanced method of developing dsp system software, and as the guidlines, we developed the programme of whole decoder unit. paper stress on analysis of the ecu in decoder unit. aiming at amr algorithms disadvantage of angularity of synthetical speech, paper study on the specutral extrapolation which apply to extrapolate reflect coefficient of track model to make error conceal processing of amr. at last paper analyze existing echo cancellation algorithms using on mobile communication system

    在此基礎上，描述了一種較為先進的大型dsp系統程序開發策略，並以此為指導思想，以美國ti公司c6000dsp開發平臺開發出了整個amr解碼器單元的系統程序。論文對amr解碼器的誤碼隱藏處理單元進行了重點分析，針對原有演算法合成語音自然度不好的缺點，論文研究了將譜外推法應用到amr演算法中外推出聲道模型反射系數參數進行誤碼消除處理。
  3. The useful life curves of gan - based blue led with al2o3 and sic substrate is fit single exponential function [ i = i1 + i2exp ( - t / ) ]. fron this function, we could get aging information of led about stable inteneity 1, decay intensity i2 and decay time. the novel method of evaluating aging properties of leds was put forward

    用單指數函數擬合了發光二極體的光衰減曲線[ i = i _ 1 + i _ 2exp （ t / ） ] ，這個關系式可以給出三個信息：穩定光強、衰減光強、衰減速度，提出了更加合理的評價led老化性能的方法。
  4. Based on the fem program on fracture of plane structure developed by professor fu xiaoling of ho hai university, a two demension damage and fracture finite program package which is programed in fortran 90 language is developed. the paper adopts the plane - eight - nodes isoparameters element and compute the developing law of the damage and macro - damage of plane structure under load. considering the original damage and tension and compression damage at the same time, the paper adopts the more reasonable concrete constitute relation of two demension and exponent function model

    在河海大學符曉陵副教授所編制的平面結構斷裂有限元程序（ dl08p4 ）基礎之上，本文用fortran90語言編制的二維損傷-斷裂有限元程序包，程序採用平面八結點等參數單元分析計算平面結構在外荷載作用下損傷及宏觀裂縫的發展規律，考慮了混凝土結構體內存在著初始損傷和同時存在的拉、壓損傷，並且採用更為合理的具有損傷含義的混凝土二維本構關系（即正交異性損傷模型中的本構方程）和指數函數模型建立的並可進行拉、壓損傷可比性換算的損傷演變方程，較為真實地反映了實際情況。
  5. ( 3 ) there is a relation approximate to exponential function between particle size and jumpiness of light scattering energy

    （ 3 ）經初步擬合，粒徑和散射光能量跳動量之間有指數函數的關系。
  6. Based on the spectral irradiance measured with the sun - atmosphere ultraviolet spectrum radiometer ( sauvs ) developed by the institute of atmosphere physics and the changchun institute of optics and fine mechanics, chinese academy of sciences, measuring the direct and scatter irradiance spectrum of ultraviolet waveband which arrives in beijing global surface, giving a method of retrieving the aerosol optical depth ( aod ) and put up with primary results that exponential function can fit the retrieval results according to its visibility, putting forth different coefficients and functions on variable visibility, also giving a primary analysis on the aod in dust - storm day and some contrast between sun - day and dust - storm day, analyzing the ratio between scatter and total irradiance, and its relationship with atmosphere mass and total atmosphere optical depth, lastly contrasting with the survey results by aeronet beijing station, the results of retrieval is in reason, this work gives some help in researching the co - effect of aerosol - radiance - climate and makes preparation for further survey on the radiance characteristics of dust

    利用中國科學院大氣物理研究所與長春光學精密機械研究所合作研製的太陽?大氣紫外光譜輻射計（ sauvs ） ，測量到達北京地表的太陽直接和散射紫外光譜輻射，導出了大氣氣溶膠的光學厚度。初步結果表明：北京紫外波段大氣氣溶膠的光學厚度在絕大部分情況下隨波長的增加而單調減小，用指數函數可以較好地擬合反演結果，統計得到了三個水平能見度狀況下擬合函數的系數值和公式表達式；初步分析了揚沙、浮塵、沙塵暴天氣條件下氣溶膠光學厚度的特點，並與一般晴朗天氣條件下的氣溶膠光學厚度特點做了比較分析；分析了太陽紫外譜輻射中散射輻射與大氣質量、大氣總光學厚度的定性關系和定量表達式；最後與全球氣溶膠監測網路（ aeronet ）北京站的資料做比對，表明反演結果基本合理。
  7. From june 1998 onwards, the api system was enhanced to enable the reporting of api for individual monitoring stations

    由一九九八年六月起，該署加強空氣染指數系統功能，以便就個別監測站的空氣染指數作出報告。
  8. A number of bellwether high - tech stocks rose in after - hours trade, including web gear maker cisco systems, the most actively traded on nasdaq and in the aftermarket

    貼現率，儲戶向銀行出售商業票據的利率。美國科技股，納斯達克指數。系鈴的公羊，領導者許多頂尖大公司的股票都漲了上去。
  9. Assume that material constants exponential functions or power functions of spatial variable, the related bending fracture models are set, i. e. a series of boundary value problems of partial differential equations are established

    再將材料常數依次設為空間變量的指數函數和冪函數，建立了相應的彎曲斷裂模型，即一系列相關的偏微分方程的邊值問題。
  10. This paper used a rolling method to measure the coefficients of equity capitals in 30 listed a - share steel making companies in china

    本文採用滾動方法測量了我國30家鋼鐵上市公司股權資本的系統風險測量指標系數。
  11. All this has laid a strong foundation for selecting a subject of maskless afm nanolithography, i. e., field - induced oxidation of si semiconductor. in chapter two, a high - intensity current between a probe tip and a sample is discussed first. electrical intensity between them is simulated using matlab software after an electrical model is introduced, thus theoretically analyzing the effect of tip radii, tip - sample separation, radii at the sample, and biases on the morphology of field - induced oxidation

    第二章首先討論了掃描探針與樣品之間的高密度電流，得出了電流密度與偏置電壓和探針?樣品間距密切相關，其關系不能以簡單的線性或指數函數來表述的結論；然後引進了掃描探針場致加工的電場模型，利用matlab模擬探針與樣品之間的電場強度，分析了掃描探針加工條件包括探針針尖曲率半徑、探針-樣品間距、樣品平面半徑以及偏置電壓等對場致氧化物幾何形態的影響。
  12. Based on a series of tests and investigations, this paper draws some conclusions as following by processing and analyzing the test data. the minimum icing flashover voltage of composite insulators decreases with the increase of ice amount, and the tendency of it accords with exponential function. however, the relation of the minimum icing flashover voltage with icing water conductivity accords with power function

    通過大量的試驗研究工作，對試驗數據進行擬合和分析處理，得到了如下結論： 1 ）合成絕緣子最低冰閃電壓隨覆冰重量的增加而降低，且其下降趨勢符合指數函數規律，與覆冰水電導率的關系符合冪函數規律。
  13. Consumer price index series

    消費物價指數系列
  14. 2. by regression analysis, we can get the relation between rainfall intensity and the loss modulus of organic matter, total nitrogen and the available nitrogen is exponential function by slope the same as cultivation measure. and the relation between slope gradient and the loss modulus of them is power function

    經回歸分析，可得到坡度和耕作措施相同時，雨強與有機質、全氮和堿解氮的流失模數之間呈較好的指數函數關系；當耕作措施相同、雨強接近時，有機質、全氮和堿解氮的流失模數與坡度之間呈較好的冪函數關系。
  15. Based on the previous and through the uniaxial tension damage experiment and comparing to the uniaxial compression damage experiment, the paper makes research on the anisotropism of the damage and the difference of the damage between the uniaxial tension and the uniaxial compression, combining with orthogonal anistropic damage model and exponent function damage developing equation. through the formulae deduction, the damages caused by the same absolute value tension and compression strain have the comparing character in some extent and corresponding decay coefficient

    本文在前人研究的基礎上，通過單軸拉伸損傷試驗，及其與單軸壓縮損傷試驗的比較，進一步結合正交異性損傷模型與指數函數損傷演變方程，對混凝土體中損傷的各向異性以及單軸拉伸和單軸壓縮情況下損傷的差異性進行了研究探討，經過公式推導，提出絕對值相等的拉、壓應變產生的損傷具有一定的可比性，並給出了進行可比性換算的折減系數。
  16. 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。
  17. In this paper, the effect of feeding speed on peen - forming is studied thorugh experiments, which shows that chordwise peen - forming deformation is the exponential function of feeding speed

    摘要試驗研究了送進速度與拋丸成形之間的關系，結果顯示，橫向拋丸變形是送進速度的指數函數。
  18. 4. dicussing soil pressure ( supposed as p ) and level displacement ( supposed as s ) in condition that consideration time performance, the relation is p = ae, when the defomation of wall has evidently effect on the soil pressure. 5. the deformation of wall ( supposed as sw ) leads to soil layer sedimentation ( supposed as pw ), the research find pw = 1. 22sw 6. the artifical neural networks has vast and applied foreground in the information construcion of deep foundation excluding the accidental factor

    4 、探討了考慮時間效應的土壓力和位移關系曲線，認為在當墻體的變形對土壓力分佈產生明顯影響時，二者間的關系可用一指數函數來表達： p = ae ~ （ （ / s ） ） 5 、墻體側向變形，導致墻後土體產生沉降，在本次研究中，排除掉基坑降水施工因素的影響，由墻體變形導致的墻後土體沉降，二者具有p _ w = 1 . 22s _ w關系； 6 、將基於時間窗口滾動多步神經網路預測方法和應用於深基坑工程墻體變形的預測工作，具有較高的預測精度，該方法在巖土工程變形預測方法中具有廣泛的應用前景。
  19. Ftse hang seng indexes

    恆生富時指數系列
  20. ( 3 ) the amounts of total k, slowly available k, rapidly available k, and dissolved k lost in the runoff increase obviously with the increase of slope gradient. the relationships between slope gradient and amount of total k, slowly available k, rapidly available k, and dissolved k loss can be expressed by exponential functions

    （ 3 ）全鉀、緩效鉀、速效鉀和溶解態鉀流失量隨坡度增大而增加的規律十分明顯，且全鉀、緩效鉀、速效鉀和溶解態鉀的流失量與坡度呈顯著的指數函數關系。
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