重量加權 的英文怎麼說
中文拼音 [zhòngliángjiāquán]
重量加權
英文
weight-
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 。To do this, we weight the hourly wage for each grade by its proportion of the total labor required to produce the product.
為此，把每一等級的小時工資，以生產這種產品所消耗的該等級勞動量占總勞動量的比重為權數，進引加權。The limit theory of law of the iterated logarithm have received more and more attentions, especially about identical independent random variables. but up to now, the studies are only for partial sums and, have n ' t shown any concern on the special finite partial weight suras. however, the partial sums and partial weight sums not only have the osculating aspects, but also have essential difference between them. so the studies for these play an important role in theoretical and applied setups
因此對重對數律的研究引起了國內外學者的興趣，對獨立同分佈的隨機變量，許多學者做了大量的研究工作，但迄今為止這方面的研究仍限於部分和數列的重對數律，很少涉及到特殊加權和的領域，而部分和與加權和之間既有密切聯系，又有本質不同，因此，這一問題的研究具有一定理論意義和應用價值。In order to obtain a high - quality speech codec, the phase information of speech should be included in codec. in this thesis, a method for quantizing the phase of sew ( slowly evolving waveform ) and reconstructing sew ’ s phase with cubic polynomial interpolation is given based on the perceptual weighting analysis - by - synthesis ( a - b - s ) vector quantizer for the phase spectrum in wi coder
本文基於感覺加權相位譜分析合成（ abs - analysis - by - synthesis ）矢量量化方法，給出了一種wi編碼器中慢漸變波形（ sew - slowlyevolvingwaveform ）的相位信息量化及合成端相位的三次多項式插值重建方法。The train of thought is : on the basis of the different factors and importance which effect the land use intensive level, economic benefit and environmental benefit, it determines the evaluation index system and the weight value. based on the standardized firsthand data, it defines weighted sum to found a composite index. thus arranging the composite index in mathematical order, it fixes quantitatively the land use intensive level, economic benefit and environmental benefit to demonstrate quantity, structure, scale, benefit and distribution on land use in small - towns of chongqing
其評價思路為:根據影響小城鎮土地集約利用水平、土地利用經濟效益、環境效益的各因子及其重要程度的不同，確定評價指標體系及指標權重，在對原始數據標準化的基礎上，按照指標權重，將各指標值加權求和，得到小城鎮土地集約利用、土地利用經濟效益、環境效益的綜合指數，按綜合指數從大到小的順序對各評價單元進行排序，定量地確定小城鎮土地集約利用水平、土地利用經濟效益、環境效益，從而找出重慶市小城鎮土地利用的數量、結構、規模、效益特徵及布局特點，根據小城鎮土地利用與區域社會經濟發展的互動關系，分析存在的問題及原因，為小城鎮土地利用優化配置、小城鎮建設用地指標管理提供借鑒。Abstract : an integrated approach is proposed to investigate the fuzzy multi - attribute decision - making ( madm ) problems, where subjective preferences are expressed by a pairwise comparison matrix on the relative weights of attributes and objective information is expressed by a decision matrix. an eigenvector method integrated the subjective fuzzy preference matrix and objective information is proposed. two linear programming models based on subjective and objective information are introduced to assess the relative importance weights of attributes in an madm problem. the simple additive weighting method is utilized to aggregate the decision information, and then all the alternatives are ranked. finally, a numerical example is given to show the feasibility and effectiveness of the method. the result shows that it is easier than other methods of integrating subjective and objective information
文摘:研究了結合主觀和客觀信息的模糊多屬性決策問題，其中主客觀信息分別由屬性權重的兩兩比較矩陣和決策矩陣組成.提出一種結合主觀和客觀信息的特徵向量決策方法，給出了2種求解基於主客觀特徵向量法的模糊多屬性決策方法.這種方法通過求解2個線性目標規劃模型得到最優屬性權重，然後，通過對決策信息進行簡單的加權集結，得到所有方案的排序結果.最後，通過一個算例說明了該方法的實用性和有效性.結果表明，該方法要比其他主客觀結合多屬性決策方法簡單An integrated approach is proposed to investigate the fuzzy multi - attribute decision - making ( madm ) problems, where subjective preferences are expressed by a pairwise comparison matrix on the relative weights of attributes and objective information is expressed by a decision matrix. an eigenvector method integrated the subjective fuzzy preference matrix and objective information is proposed. two linear programming models based on subjective and objective information are introduced to assess the relative importance weights of attributes in an madm problem. the simple additive weighting method is utilized to aggregate the decision information, and then all the alternatives are ranked. finally, a numerical example is given to show the feasibility and effectiveness of the method. the result shows that it is easier than other methods of integrating subjective and objective information
研究了結合主觀和客觀信息的模糊多屬性決策問題，其中主客觀信息分別由屬性權重的兩兩比較矩陣和決策矩陣組成.提出一種結合主觀和客觀信息的特徵向量決策方法，給出了2種求解基於主客觀特徵向量法的模糊多屬性決策方法.這種方法通過求解2個線性目標規劃模型得到最優屬性權重，然後，通過對決策信息進行簡單的加權集結，得到所有方案的排序結果.最後，通過一個算例說明了該方法的實用性和有效性.結果表明，該方法要比其他主客觀結合多屬性決策方法簡單The result showed that appraise and keep the same with traditional output result with weighting related degree to peanut breed, 100 - seed weight, 100 - grain weight, yield per plant, full - pod rate and offer the rice rate are dominant in affecting yield, but main stem height and side branches length are not dominant in affecting yield, the method is simple, easy to master
結果表明：用加權關聯度對花生品種進行評價與用傳統產量比較結果一致，百果重、百仁重、單株生產力、飽果率、出米率在影響產量諸因素中佔主導地位，主莖高、側枝長對產量影響較小，且方法簡單，容易掌握。First of all, i summarize the forecast model category and estimate each model in detail, then, i adopt different model to forecast demand, supply, bdi of bulk shipping market. as to demand forecast, i mainly focus on the imitating precision of primitive data, adopt grey forecast model, self - suited filter model separately, and then compose these models as a better one. as to supply forecast, i use econometrics model to describe the complicated relationship of demand, supply, bdi, gnp etc. as to bdi, i try to draw into market integrated factor, describe the relationship of bdi, supply, capacity, speed, rate of oil, navigating capital etc. then finally, i make afterwards evaluation of these models and then analyze future bulk shipping market in detail
對于需求預測，著重考慮對原始數據的擬合精度，經過模型比較優選論證，分別採用了灰色一階模型，改進的灰色二階、自適應過濾預測的加權組合模型，得到了相當高的擬合精度；對于供給預測，運用計量經濟模型對供給、需求、運價、 gnp 、進出口貿易額等多變量之間復雜的相互關系進行動態模擬，定量的反映出各變量之間的因果關系；對于運價預測，嘗試引入市場綜合因數概念，化繁為簡，通過描述運價與運力供給、載重噸、油耗、航速、燃油價格、航行成本等等諸多因素的關系來進行預測。Then, we establish the finite element analysis models of the antenna in different structure layout, and obtain the corresponding frequencies and model shapes. finally, according to the importance of each object, we set up the model of multiple objects that aims to maximize the first natural frequency and minimize the mass. combining orthogonal experiment and variant weighting coefficient method, we formed an effective multiple objects optimized algorithm basing on the neural network and genetic algorithm
本文首先詳細的敘述了天線結構的各組成單元，闡明了天線反射拋物面的形成原理；然後在ansys軟體環境中建立了不同結構布局下天線的有限元分析模型，分析計算了各種情況下天線的的固有頻率與振型；最後依據天線各指標的重要性，建立了以一階固有頻率最大、質量最小為目標的天線結構多目標優化設計模型，並基於神經網路和遺傳演算法，結合正交實驗和變加權系數技術，形成了一種有效的多目標優化演算法，在matlab平臺下實現了天線的結構多目標優化設計計算程序，求得了天線的最佳結構參數。By using the improved gravity model and gray theory model, the essay makes forecast analysis on future passenger traffic volume of shjiazhuang - taiyuan passenger - dedicated line from three aspects, including passenger flow of local line, passenger flow originating from other railways and induced passenger flow, and using gdp and population density of surround cities along the passenger corridor, the passenger traffic volume on existing line of shijiazhuang - taiyuan passenger corridor and the weighted operation time between cities as impact factors respectively
摘要利用改進的重力模型和灰色理論模型，從石太客運專線的本線客流、跨線客流和誘增客流3個方面，分別以客運通道周邊城市的gdp和人口分布密度、石太客運通道既有線的旅客運輸量、城市間的加權運行時間為影響因子，對石太客運專線的旅客運輸量進行預測分析。The characteristics of this method includes establishment of the evaluation sets of the membership functions for single - factor, determination of the weight value sets of each factor by analytic hierarchy process, usage of the weighted average model as a comprehensive evaluation model. and industrial buildings ' quality classification through maximum membership degree method or approach degree method
其特點是：用單因素隸屬函數建立評價集；用層次分析法建立權重集；採用加權平均模型為綜合評定模型；用最大隸屬度法和貼近度法綜合劃分廠房質量等級。Cf is a kind of non - different recommendation to all customers, so it is may appear that the company spend much cost but have little revenue. recently a new recommend technology base on lifetime value of customers have emerged, the centre of the technology is to use the weighed sum of the three variable to classify the customers and the reason of use weighed variable is that think about the relative important degree. then we can recommend products according to the association rule in the classify of same clv. the shortcoming of this recommendation is that the recommendation may have some error when the customers ’ data is not enough to form regular value
近年來出現了一種採用基於客戶生命周期值的加權rfm （表示客戶生命周期的三個指標變量）技術的推薦方法，這一技術的核心思想就是採用這三個客戶屬性變量的加權和的方法來對客戶進行聚類，其中為變量加權是考慮到不同變量對顧客產生的不同重要程度的影響。對符合某一生命周期類型的客戶按照商品挖掘關聯技術進行商品推薦。這種推薦方法的弊端在於當客戶的交易數據不足以形成規律化的量值時，推薦可能會出現偏差。Doing the further research on the division frequency stack on the foundation of study of predecessor, at first the residual moveout correction is done to the seismic record, make the phase axle regularity, doing foundation for the same phase stack ; then carried on division scale processing by wavelet transform ; spectrum whitening is done to each scale, the high and low frequency band need to do prolongs, the middle frequency bands only increase the value of the frequency spectrum ; several kinds of methods that estimate the value of signal - noise ratio has been studied further, and summarize their advantage and disadvantage as well as the scope of application ; the seismic record after spectrum whitening is stacked by weighting with the value of the signal - noise ratio ; then estimate the value of signal - noise ratio which is each scale section after stacking, the scale that the signal - noise ratio is big is assigned big weighting, otherwise, the scale that signal - noise ratio value is small is assigned small weight ing, and carried on weighted reconstruct to each scale section
本文在前人研究的基礎上，在分頻疊加方面做了進一步的研究。首先對地震記錄進行剩餘時差校正，校齊同相軸，為同相疊加做好基礎工作；然後對地震記錄用小波變換的方法進行分尺度處理；對各個尺度分別做譜白化，對于高、低頻段需要做頻帶延拓，中間頻段僅提升頻譜值；對于幾種信噪比定量估計的方法進行了深入的研究，並且總結了它們的優缺點以及適用范圍；對譜白化后的地震記錄用信噪比估計值作為加權系數進行加權疊加；對于各尺度的疊加剖面也進行信噪比估計，對于信噪比大的尺度給予大的加權系數，反之，信噪比值小的尺度給予小的加權系數，對各尺度疊加剖面進行加權重構。After the weightiness of product attributes being researched, a new method is established to calculate the weight of attributes. the method is applied in weighted distance coefficient and system similarity to measure similarity degree. it enhances the objectivity and accuracy of the similarity measures
探討了在相似度量中機械產品系統特徵屬性的重要性問題，提出一種新的權重值確定方法，在此基礎上建立加權距離系數法，並研究了系統相似度量方法，提高了相似度量的客觀性與準確性。The system makes impedance measurements using an array of 32 electrodes on the surface of the body, and reconstructs the images using a veighted backprojection algorithm
該系統採用32體表電極進行阻抗測量，用加權反投影演算法進行圖象重構。In this article, an equivalent definition of reconstruct function is drew in the state space reconstruct by time delay chaotic time series, that lead the prediction more conveniently. then introduce a weighted distance to depict neighbour points of prediction which insured the similarity of the neighbour points
本文在時間序列坐標延遲后重構的相間中，作出重構函數的等價定義，提高了預測的可操作性；並在此基礎上，引入了加權距離來刻畫預測向量的鄰近點，保證了鄰近點的相似性。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。Adopt the mean of analyzing the factors which influence the output of the crops to quantity and determine the factors, assess the correlation among the grading factors in the units and calculate the point value of these factors ; determine the weigh value of the factors. ten factors, which are content of organic matter, thickness of soil layer, quality of soil, pickled degree of land, condition of irrigation and state of shelter belt, the degree of land " s leveling, central focus region ( focus region location ), utilization method of soil, are chosen as grading index at last
本文採用因素法定量化評價各地塊定級單元的相關性和權重性，最終選定了有機質含量、土層厚度、土壤質地、鹽堿化程度、排水能力、灌溉保證率、防護林完整度、條田平整度、中心區位，土地利用方式等因子作為定級的指標，使用了加權加和因素法進行了的定級計算，逐步完成了農用地質量情況的評價，劃分出了級別。This paper firstly applied sequential cluster method to set up the classification standard of precipitation state based on the fact that there are much uncertainty and imprecise characteristics in the precipitation course ; then this paper presented a method which is called markov chain with weights to predicted the future precipitation state by regarding the standardized self - coefficients as weights based on the special characteristics of precipitation being a dependent stochastic variable ; and applied this method to a real hydrological observation station with nearly 50 years precipitation information in shanxi province at last, an ideal result was obtained
摘要首先基於降水過程存在大量不確定性、不精確性的特點，應用有序聚類的方法建立降水豐枯狀況的分級標準；然後針對降水量為相依隨機變量的特點，採取以規范化的各階自相關系數為權重，用加權的馬爾可夫鏈模型來預測未來降水的豐枯變化狀況；最後以山西省某水文站近50年的降水資料為實例對該方法進行了具體的應用，獲得了較為滿意的結果。分享友人