weight sum 中文意思是什麼

weight sum 解釋
加權和數
  • weight : n 1 重量;體重;求心力,重力,(地心)引力。2 斤兩,分量,衡,計重單位。3 (壓東西的)重物。4 砝...
  • sum : SUM =surface to underwater missile 艦對水下導彈[飛彈]。n 1 總數,總計,總額;【數學】和。2 〈the...
  1. The molecular weight of a molecule is the sum of the atomic weights of the constituent atoms.

    一種分子的分子量就是構成它的原子成分之原子量總和。
  2. A experienced equation which is summarized by many experiments is used to determine the number of mesosphere nerve cell and a sort of new square - sum function of errors is adopted. its characteristic is that weight errors of possible exceptional point is less. accordingly, the effect of errors of possible exceptional point is reduced, which make actual function relation simulation easier

    本系統針對bp演算法的局限性,給出了一種優化的bp演算法,採用經過大量實驗總結出的經驗公式來確定隱層神經元的個數,並選取了一種新的誤差平方和函數,該函數的特點是對一些可能的異常點的誤差權值設計的較小,從而降低了異常值誤差帶來的影響,便於模擬出真實的函數關系。
  3. Developing from the typical decision tree learning system ids and using the idea of weight sum, we did exploring research on the application of decision tree technology, using weight entropy to get predicted attribute and division value, in crm of tourism industry

    在典型的決策樹學習系統id3之上,利用「加權和」的思想,在對決策樹技術(使用加權熵來獲得預測屬性和分裂值)在旅遊crm中應用上作了探索性研究。
  4. 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。
  5. We define the weighted degree of v by the weight of a subgraph h of g is defined by the one with maximum weight among a certain kind of subgraphs is also called heaviest. so a heaviest cycle is a cycle with maximum sum of all edge ' s weights among all cycles of a graph

    頂點v的賦權度定義為圖g的子圖h的權定義為某類子圖中權最大的又叫最重的,所以最重回也就賦權用的所有回中權之和最大的回
  6. However, it is too expensive in investment, complex in experimental techniques, difficult and dangerous in performance. in this paper to overcome these drawbacks, the similarity relations together with a new method and its principle of experiment have been developed based on the model theory of structural similarity. according to this principle, the total stress ; an be obtained as a sum of the stresses due to weight and external loading, which based on only one model experiment without any gravitational loading

    最後,針對外載與自重共同作用下,傳統光彈性分析法中採用離心力場模擬重力場獲得自重應力的試驗投資耗費大、技術復雜且難度大和不安全等嚴重缺點,按照結構相似的模型理論,本文提出模型外載與自重並存變動外載的光彈性分析法,導出處理這個問題具體的相似律和試驗原理及方法,進行了典型實驗驗證,指出僅用外載作用的模型試驗,即不用離心力場模擬重力場的模擬試驗,就可以獲得上述兩種載荷共同作用下的應力分析結果。
  7. In this paper, we will more deeply research on the base of the works, the first part, we give the summarize for the condition and the significance. the second part, we give the preparation knowledge to the whole paper ; the third part, we research the lower and upper bound of the generalized hamming weights for the linear codes ; include d ( r, n, k ) bound, the finite sum representation of the lower and upper bound function of generalized hamming weights for linear codes, generalized griesmer bounds ; the 4 - th part, research the definition, the property of the r - th generalized weights for the non - linear codes and non - linear constant codes, and give the expression of the generalized weight of binary ( n, m, d ) non - linear codes ; the 5 - th part, research the weight hierarchy of linear codes and non - linear codes, for example, necessary condition and sufficient condition, the 6 - th part, we research the expression of the r - th generalized hamming weights of reseaval classes codes

    本文在已有的基礎之上作了進一步的探討,第一章綜述了廣義hamming重量的現狀和意義;第二章給出了全文的預備知識;第三章研究了線性碼的廣義hamming重量的一些上下界;包括d ( r , n , k )界,上下限函數有限和表達式,廣義griesmer界;第四章討論了非線性碼及非線性等重碼的廣義hamming重量的定義、性質,給出了2元( n , m , d )非線性碼的第r廣義hamming重量的表達式;第五章研究了線性碼、非線性碼的重量譜系;第六章給出了幾類碼的廣義hamming重量的表達式,這些碼包括直和碼( directsumcodes ) 、笛卡爾積碼( cartesianproductcodes ) 、張量積碼( tensorproductcodes ) 、延長hamming碼。
  8. In the analyse of gradation and classification the study use the method of factors and the dynamic model of sum taking the weight and make revision with the land use coefficient and the land economic coefficient. the grade of synthesize not only reflect the effect to each factor but outstand the leading restrict factor

    應用因素分析法對區域農用地的等級進行了研究,採用動態加權求和模型作為指數綜合的方法,再用土地利用系數和經濟系數進行修正,使綜合分值既能反映出每個因素對農用地質量的影響,又能突出主導限制性因素的作用。
  9. A number of topics were explored at the seminar which include the followings : i prof. stanley hui lectured on childhood obesity, physical activity and health as well as it application ; ii mr. raymond sum proposed some feasible activity ideas that teachers could adopt to tackle childhood obesity ; iii two colleagues from the information technology section of the education and manpower bureau shared some initiatives in using it to promote children physical activity ; iv two primary school teachers also shared their experiences in implementing weight control initiatives in their own schools ; and v prof. lu dajiang from shanghai sports institute demonstrated some useful computer program for monitoring childhood obesity and prescribing exercise for obese children

    此外,許教授並提出要有效控制學童體重,必須採用多元策略,包括從體能活動、飲食控制及家庭參與三方面著手。該系並於今日舉行學童肥胖與體能活動工作坊,有數十名老師報名參加。工作坊上,由許世全教授主講學童肥胖與健康課題,沈劍威導師介紹控制學童肥胖體能活動建議,上海體育學院陸大江教授及香港教統局資訊科技教育組介紹透過資訊科技控制學童肥胖運動處方的電腦軟體,並由學校老師現身說法分享在學推行控制學童肥胖的運動計劃經驗。
  10. The paper consists of two chapters. in the first chapter, theory 1 [ 1 ] mainly by using the method of the law of the iterated logarithm with finite partial sum in wiener process proves hartman - wintner [ 1 ] law of the iterated logarithm for special finite partial weight sums

    本文正文分兩部分,定理1主要利用[ 1 ] wiener過程下的有限項部分和的重對數律,把hartman - wintner重對數律[ 1 ]推廣到對特殊加權部分和也成立。
  11. Let { xn ; n > 1 } be mutually identically independent random variables distributed according to the normal distribution, { sn, n > 1 } be finite partial sum series, the purpose of this paper is to investigate law of the iterated logarithm type results for special finite partial weight sum series { sn, n > 1 }, we assume that sn = a1sn + a2 ( s2n - sn ) + a3 ( s3n - s2n ) +. . + ad ( sdn - s ( d - 1 ) n ) in the second chapter, theory 2 by using the method of literature [ 8 ], we extend hartman - wintner law of iterated logarithm on the gauss distribution. we substitute negative correspond for independent. it extends the corresponding results in gauss distribution

    設{ x _ n ; n 1 }是獨立同分佈的且服從標準正態分佈的隨機變量序列, { s _ n , n 1 }是其部分和數列,討論有限項特殊加權部分和{ s _ n , n 1 }的重對數律,其中定理2利用文獻[ 8 ]提供的方法,在高斯分佈上改進了hartman - wintner的重對數律,取消獨立性用更弱的條件負相關代替,大大拓寬了重對數律在高斯分佈中的使用范圍。
  12. By use of some eigenvalues such as missile launch location, infrared radiation of boosting missiles plumes and missile engine off - time eigenvalue, data fusion based on weight sum of membership degree is applied to deduce the type and launching country of the missile

    該演算法提出用導彈發射點,位置、導彈尾焰紅外特徵和導彈關機點特徵量作為導彈目標識別的特徵量,用模糊隸屬度加權求和方式進行信息融合,根據融合和最大融合量的閾值判決確定導彈的類型、國別。
  13. 2. a mathematic model of multi - object optimization about the stability allocation criteria of optical components has been set up. the linear sum - weight and probability theory are introduced to solve the mathematic model and to budget the stability of the function blocks and the optical components

    2 、構建了多目標最優化的光學元件穩定性分析數學模型,以功能模塊及其所含光學元件為研究對象,採用線性加權和法和概率論理論,解決了功能模塊穩定性指標和光學元件穩定性指標分配問題。
  14. The label of a vertex in g ( w ) is the sum of the weight of its incident edges

    在網路g ( w )中,各頂點的標號為與該頂點相鄰各邊的權之和。
  15. The sum of the total weight and the force is sometimes called boundary neutral force.

    總重量與壓力之和有時也稱為邊界中和力。
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