權倒數 的英文怎麼說
中文拼音 [quándǎoshǔ]
權倒數
英文
weight reciprocal-
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 。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。The offer was genuine enough, but it was a question with hurstwood whether a third interest in that locality could be made to yield one hundred and fifty dollars a month, which he figured he must have in order to meet the ordinary family expenses and be comfortable
這筆交易倒是貨真價實。但對赫斯渥來說還有個問題，那就是這種地方的a股權，能否每月贏利塊錢。他估計他必須要有這個數目，才能維持日常開支並且不顯得拮據。In principle, weights should be 1/(s. e. )2.
原則上，權應該是標準誤差平方的倒數。Weight reciprocal figure
圖形權倒數In the 3rd section we introduce how to use mathematical model to study financial problems, whose assets running on mixed jump - diffusion process, first we get the famous non - linear feynman - kac formula by fbsde, then let the solution of the bsde be a investor ' s utility function, and it ' s the so - called recurse utility function. second, we can prove that this utility function is a continue viscosity solution of the variation inequality which we get above, and we get the comparison theory. third we can use the result to financial market to study the optimal consumption and portfolio problem or evaluate the american option
第三章介紹了利用金融資產價格運行基於復合跳躍? ?擴散過程的數理模型來研究金融經濟問題，通過結合運用正倒向隨機微分方程，推導得到著名的非線性feynman - - kac公式，並且將相應的倒向隨機微分方程的解記為投資者的值函數，這也就是通常所說的效用值函數；接著我們可以證明此效用值函數為某一偏微積分變差不等式的連續粘性解，並且得到了比較原則；這些結果可以應用到金融領域用於消費投資組合的選擇或是美式期權的估值。Based on the additive weighting model and the expectation and square difference method for priorities, the calculating method for minimum changes of weight is obtained when the ranking position between two alternatives is reversed
在區間數的「期望方差」排序法基礎上，基於加權模型，對區間數多屬性決策中權重靈敏度進行分析，並給出了當兩個方案之間排序位置顛倒時某一指標的權重最小變化量的計算方法。The initialization method to achieve different equalizer delay local minimum is proposed for btea and se. comparison study using several uwac with different zero locations is made to demonstrate the equivalent of different initialization method for least mean square ( lms ) algorithm, btea, se and cma
盡管常數模盲均衡演算法的初始化仍然是一個公認的未能解決的問題，但本文通過幾條不同零點位置的水聲通道，對比研究了自適應最小均方誤差演算法、倒三譜演算法、超指數演算法和常數模演算法的不同權向量初始化的等效性。The traditional pid control keeps its authority position. the inverted pendulum can stand for a long time using this method. but the parameters has many and are very difficult to be adjusted
傳統的pid控制仍然佔有權威的地位，由它控制的倒擺系統魯棒性也很好，並能長時間穩定站立，但參數確定很復雜，而且參數調節也很難，所以又採用了狀態空間法。The paper involves two parts of closed - set text - independent speaker identification systems in noise. firstly, the paper introduces shortcomings of the parameters, such as lpcc, mfcc etc. so sub - band energy cepstral feature parameters based on multi - rate sub - band processing and teager energy operator are described. while the paper discusses the use of rayleigh cepstral liftering to weigh sub - band cepstral coefficients so as to emphasize speaker personality information
首先本文介紹了各種特徵提取的方法，如lpcc 、 mfcc等，在分析了它們的缺點的基礎上，本文根據人耳頻率子帶獨立識別的特性和能量運算元，提出了子帶能量倒譜特徵參數，並用提出的瑞利倒譜提升進行加權，突出說話人的個性信息。A common ranking method ? term frequency / inverse document frequency ? considers the distribution of words and their frequencies, then generates numerical weights for words that signify their importance in individual documents
常見的排行方法之一是評估字詞的分佈與出現頻率，即詞頻與文件頻率倒數，然後為字詞建立權值，代表各字詞在個別文件內的重要性。Finally, in the feature matching stage, with the variance reciprocal used as the weighting coefficients, the features from each parts of the iris image ( the first iris image division ) are matched separately and then 3 matching results are got
最後，在匹配識別演算法中，本文對歸一化處理中第一次圖像分割后的3部分區域分別採用方差倒數加權求和的匹配演算法進行識別判決，得到3個識別結果。再用不同的可信度系數來加權這3個識別結果，得到最終的識別結果。Abstract : in this paper, best estimation of combinatorial prediction is constructed by weights reciprocal variances. then their precisions are compared. random error 、 residuals and predicitons by identical precisions are explained
文摘:文中討論了在方差倒數權為基礎的正權組合預測條件下，最佳估計值的確定及其精度比較；並深入闡明隨機誤差、殘余誤差及等精度測量的意義和它們之間的關系。As with many other corporate failures, the collapse of enron in late 2001 involved failures with directors and senior executives, professional advisers and auditors, the misappropriation of company funds and credit frauds. business sector cases investigated by us also reflect a noticeable trend of the increasing involvement of senior executives and professional advisers of companies
二零零一年底enron公司倒閉，是企業管理失敗的典型案例，事件揭露enron公司的董事、高層行政人員、專業顧問、核數師均涉嫌濫權失職，部分更被指挪用公司款項和以欺詐手段騙取貸款等。分享友人