收率的估計 的英文怎麼說

中文拼音 [shōulǜdegūjì]
收率的估計 英文
yield estimation
  • 收 : Ⅰ動詞1 （把攤開的或分散的事物聚集、合攏） put away; take in 2 （收取） collect 3 （收割） harvest...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 的 : 4次方是 The fourth power of 2 is direction
  • 估 : 估構詞成分。
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 估計 : estimate; evaluate; take stock of; size up; calculate; appraise; reckon; estimation; forecast
  1. A one - dimensional oceanic mixed layer model with the m - y level - 2. 5 turbulence closure schemes is employed. the rate of energy loss by breaking waves is estimated by parameterization and incorporated into the model as a source of turbulence kinetic energy ( tke ) by modifying the existing surface boundary condition of tke equation. the velocity field and turbulence energy budget are calculated under different forcing conditions ( the results given below are for a wind speed of 20 m / s. )

    採用一維2 . 5階湍封閉混合層模式，根據參數化方法對波浪破碎導致的能量耗散率進行了估計，通過改變湍動能方程的上邊界條件引入波浪破碎對湍動能生成的影響，計算了不同風應力強迫下的混合層流場結構和湍能量收支（下述給出的結果是取風速為20m s得到的） 。
  2. So we consider five financial indexes includes stock b / p, e / p, current stock size, current stock stru and financial levge by the international tradition, then descriptive statistical test method and cross section statistical test method proved that b / p and current stock size have marked effect on the securities yield besides coefficient b. in the third chapter, the article fut forward a risk factor model, estimates yield sequences of every risk factor by weight regression, and then estimates each risk factor coefficient of different stock by time sequence regression, at last we can reckon the portfolio risk o2p and yield rp which consists n stocks

    結合國際慣例，文章考慮了股票的凈值市價比（ b p ） ，市盈率倒數（ e p ） ，流通規模（ size ） ，流通比例（ stru ）和財務杠桿（ levge ）等五個財務指標，應用描述性統計檢驗和橫截面統計檢驗等多種方法，結果表明，除系數以外，凈值市價比（ b p ）和流通規模（ size ）對證券收益率部有重要的影響。在論文的第三章，提出了一個基於多因素的風險因子模型，並用加權回歸和時間序列回歸等方法估計出了不同證券的各風險因子系數（類似於單指數模型中的系數） ，據此，即可衡量出一個包括n只股票的組合的風險_ p ~ 2和收益率r _ p 。
  3. The algorithms estimate the doa of the broadband distributed source fron the secondary diagonal elements of the covariance matrices generated from every frequency domain of the received broadband signals, thus avoiding unwrapping of phases

    該類演算法首先將陣列接收的寬帶信號變換到頻率域，然後對于每個頻率形成陣列接收信號協方差陣，最後由該協方差陣的次對角線元素估計寬帶分佈源的到達角，其主要特點是避免了相位展開。
  4. In this dissertation, we firstly prove that any dirichlet problem is indeed equal to a voltages problem of networks. we give five solutions to dirichlet problem in two dimensions ; among these five solutions, we prove that the iteration solution and the solution of relaxations are exponential convergence, then we estimate their respective convergence rates ; secondly, we discuss random walks on general networks, prove that there is an one to one correspondence between networks and reversible ergodic markov chains ; thirdly, we give probabilistic interpretation of voltages for general networks : when a unit voltage is applied between a and b, making va = 1 and vb = 0, the voltage vx at any point x represents the probability that a walker starting from x will return to a before reaching b ; furthermore, we study the relationship between effective resistance and escape probability : starting at a, the probability that the walk reaches b before returning to a is the ratio of the effective conductance and the total conductance

    本文證明了任何邊值的dirichlet問題都可轉化為求解電路電壓的問題：給出了計算平面格點上dirichlet問題的5種方法：證明了迭代法和松馳法都是指數收斂的，並分別給出收斂速度的估計；討論了一般電路上的隨機徘徊，驗證了電路與可逆的遍歷markov鏈是一一對應的；給出了電路電壓的概率解釋：當把1伏電壓加於a ， b兩端，使得v _ a = 1 ， v _ b = 0時，則x點的電壓v _ x表示對應的markov鏈中，從x出發，到達b之前到達a的概率；進一步地，給出了逃離概率與有效電阻之間的關系：從a出發，在到達b之前到達a的概率為有效傳導率與通過a的總傳導率之比。
  5. In this paper, we use nonparametric regression method in chinese financial time series, we also use both kernel regression after improving cross - validation function and local polynomial estimation of regression under mixing condition to study and analyze the volatility in chinese stock market

    在本文中，我們把非參數回歸的方法運用到我國實際的金融時間序列數據之中，討論了我國股價指數收益率序列的易變性。而在用非參數回歸進行估計時，選擇合適的窗寬有著重要的意義。
  6. In, it is discussed how to estimate the profit expection and risk of portfolio by time series, and that the portfolio investment model can be made by the variance of portfolio selection random profit

    在1中，我們首先介紹了如何利用時間序列預測法估計證券的預期收益率和風險，然後以投資組合隨機收益率的方差作為投資的風險度量，建立起投資組合模型。
  7. Adopts vdsm process technology however two outstanding problems are faced to ic layout design when the feature size reaches to 0. 18 m or lower : 1. timing convergence problem seriously affects the circuits schedule, and the interconnect - delay has exceeded more than 70 % of the total circuits ’ delay. 2. si problem, usually it consists two aspects of ir - drop and crosstalk. these problems often affect the chip function after tapout

    本篇論文就是針對超深亞微米階段soc晶元後端設計所面臨的挑戰，提出了運用連續收斂的布局布線策略，尤其是虛擬原型的設計理論，來快速驗證布局，進而提高布線的成功率，並且提出了一種改進的布局評估模型，提高對soc晶元預測布線的準確度;同時，對于時鐘驅動元件選擇，文中提出了一種基於正態分佈模型來達到更有效的選取。
  8. This paper discusses the estimation of the expected rate of return of stock price process

    摘要本文討論了股票價格過程期望收益率的估計問題。
  9. The paper accounts the importance and the necessity of the forecasting research to the stock return volatility of our country, and the use in practice of the forecasting about the stock return volatility, firstly, stock market of our country is divided into large scale stock 、 middle scale stock and small scale stock on the basis of stock size. secondly, according to the basic method of the mathematical statistics ， the behavior of the return volatility about single stock is described by using the model of the rolling variance estimates 。 through the relation of daily returns volatility and weekly returns volatility and the forecasting accuracy of the volatility forecasting model to various stock scale ， we do practical analysis with the forecasting research to return volatility of single stock market

    在個股收益波動性的可預測性研究方面，首先按市值規模大小將我國股票分為大盤股、中盤股和小盤股，然後利用數理統計的基本方法，用滾動樣本方差估計模型描述個股市場收益波動性的行為，並對三種股票日收益率序列及周收益率序列波動之間的關系以及波動預測模型對各種股盤的預測準確性進行了實證分析和結果檢驗。
  10. All this is to be done through actuarial science takes probability theory and mathematical statistics as its standing point, evaluates the outcome of risky events, the future financial balance as well as debt level for various economic programs. in this way, the actuarial science can help us put these programs onto a safety financial basis for future development

    精算科學是現代保險業和社會保障事業建立和正常運作的數理基礎，它以概率論與數理統計為基礎，與人口、社會、經濟有關科學相結合，對風險事件進行評價，對各種經濟安全方案的未來財務收支和債務水平進行估計，使經濟安全方案建立在穩定發展的財務基礎上。
  11. In this paper, a method to evaluate hardware performance of laser detection system with the array signal estimation is proposed. and the optimally weight vector of array signal can be acquired by the doa estimating of received signals. in order to acquire the maximum output power of expected signals, summation of weight vector is applied

    提出用陣列信號源的估計來判斷激光檢測系統硬體性能；用接收信號波達角的估計得出陣列信號最佳權向量；用權向量的加權求和獲取期望信號的最大輸出功率，同時基於davidl . donoho軟閾值理論，進行多層小波降噪，重構原始路面信號。
  12. If the contractual model were chosen, it would be necessary to provide either a mechanism for the election and operation of a board of directors in the contractual fund or that the independent directors constitute a special class of directors of the management company who would represent the interests of, be answerable to and removable by the shareholders of the funds under management and have defined responsibilities within the management company

    在emh理論形成的過程中，奧斯本osberne和法瑪fama的貢獻最大。奧斯本提出了關于股票價格遵循隨機遊走的主張，認為投資者是根據他們的期望價值或收益率來估計股票的，而期望價值是可能的收益率的概率加權平均值，所以投資者在奧斯本定義上的理性是以無偏的方式設定其主觀概率。
  13. There is another approach. utilizing the basic theory of return and risk and the main methodologies and models of asset valuation, we can study the implied risk premium from the current share prices by incorporating stock analysts " forecast on companies " earnings and growth. by comparing the implied risk premium with the actual risk level of the particular investment, we can decide better whether its valuation is fair

    在主要投資價值分析方法和分析模型基礎上，本文換了一個角度，從風險收益基礎理論出發，研究利用更符合實際的三階段估值模型，結合證券分析師對企業贏利和未來增長的估計，測算證券定價背後隱含的風險回報水平，通過考察風險補償率是否與該投資面臨的風險水平相匹配，來更好的解決證券定價合理評判這個問題。
  14. It combines the real echoes with the date simulated using the real airborne sar system parameters to analyze and validate the method. after the combined data are filtered, the improved greatest of cell - average constant - false - alarm - rate ( go - ca - cfar ) is used to judge whether moving target is detected or not. in the following, real moving target is detected and its velocity and position is gained through which it is focused well

    將接收的實際場景數據與實際系統參數下模擬的典型數據相結合，分析、驗證了頻域濾波法的性能，並對濾波后的數據採用改進的選大單元平均恆虛警率（ go - ca - cfar ）方法進行處理，判斷動目標是否存在；然後對實際的動目標進行檢測，準確的估計出目標速度及位置並對目標重新聚焦成像，接下來將聚焦的動目標圖像和常規sar圖像迭加，同時得到了回到真實位置的動目標聚焦圖像和實際場景sar圖像。
  15. The greater predictability comes from applying a pre - determined, fixed fee rate to an estimate of the time - weighted amount of fiscal reserves placed with the exchange fund during the year

    收入較容易預測，是因為新安排下的費用是按預先釐定的固定比率乘以有關年度存放于外匯基金的財政儲備的估計數額經時間加權來計算。
  16. Some properties of the generalized pareto distribution are discussed. then gp model is used to analyze the returns to shanghai stock index, shenzhen stock index and the stock prices of two specific companies. a quantitative indicator of extreme changes in stock index and stock price is mentioned. the estimation of value - at - risk is also discussed

    討論了gp分佈模型的某些性質，利用此模型對上證指數深證指數和2家公司股票價格的收益率進行分析，給出股票指數和價格極值波動程度的量化指標和風險值var的估計值。 。
  17. Absorption - band parameters such as the position, depth, width, and asymmetry of the feature have been used to quantitatively estimate composition of samples from hyperspectral data. so spectral absorptions are very important feature bands in use of hyperspectral classification and targets identify, this paper extracts absorption features of actual hyperspectral image by continuum removed method which is very useful. then tested both of them by

    吸收峰波段參數例如波長位置、深度、寬度、斜率、對稱度、面積等常常被用來定量的估計高光譜樣本的組成，因此光譜的吸收峰是高光譜識別分類應用中很重要的特徵波段，論文通過包絡線去除這種很有效的光譜分析工具提取出了實際的高光譜圖像的地物光譜的吸收峰參數。
  18. Then the model is simplified, the theory of martingale, simulation, and diffusion approximations are discussed firstly. these methods are applied in the model. then get some useful results, so we can estimate the upper bound for the ruin probability and the approximation of the finite time ruin probability

    並詳細的討論了模型有限時間內破產概率和最終破產概率的估計，應用隨機過程序列弱收斂，鞅以及隨機模擬等理論，得出一些有意義的結果? ?在有限時間內破產概率的逼近表達式；最終破產概率的上界和有限時間內破產概率上界；有限時間內破產概率的隨機模擬演算法；並得到最終破產概率滿足的泛函方程。
  19. So in ofdm system, how to synchronize quickly and accurately is quite important, which affects the performance of whole system

    因此，在設計ofdm接收機時，需要對符號、頻率同步進行有效的估計和補償，盡可能減小對系統性能的影響。
  20. Bring upped the calculation method to estimate the model parameter ( coefficient b and the expect rate of return )

    並對模型參數（系數和預期收益率）的估計提出了計算方法。
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