linear b 中文意思是什麼

linear b 解釋
線形文字乙
  • linear : adj. 1. 線的，直線的。2. 長度的。3. 【數學】一次的，線性的。4. 【動、植】線狀的；細長的。5. 由線條組成的，以線條為主的，強調線條的。
  • b :
  1. We hold that the integrate effect consists of two parts : 1 + 1 > 2 and a + b = c, in terms of math : here x1, x2, . . . , xn : integrate units s : functions of new system what features an integrated system are subjective initiative, non - linear function, dynamic connection, sub - system uncertainty, selective competition. the basic factors of integration are integrate context, integrate units, integrate interface and environment, which form the integration condition respectively the basic integrate patterns covers point - to - point, pipeline and hub

    首先，深入探討了集成的內涵，即集成是指為了實現某一目標，在一定的集成環境中，若干集成單元動態地集合成一個泛邊界狀態的有機整體的過程，指出集成效應的數學解釋除了1 + 1 2外，還應該包括： a + b = c ，即若以x _ 1 ， x _ 2 ， … … ， x _ n代表集成單元， s代表集成后新系統的總功能，那麼其特徵有：主體行為性、功能非線性、關系動態性、單元泛化性、選擇競爭性；集成的基本要素包括集成背景、集成單元、集成界面和集成環境等四要素；基本模式有點到點模式、管線型模式和集線器型模式；基本條件有集成背景條件、集成單元條件、集成界面條件和集成環境條件。
  2. We make the following assumption for when 2 is positive definite matrix, different estimators about matrix of regression coefficients and inefficiency of least squares estimate have been discussed in many documents. considered 2 is nonnegative definite matrix, this thesis derives best linear unbiased estimate of parameter matrix b and estimable parameter function kbl under the meaning of matrix nonnegative definite and the property of maximum probability of blue is investigated. next, we discuss some necessary and sufficient conditions of the equality of the lse and blue, then we derive the estimation of the deviation bet - ween the least squares and the best linear unbias estimators of the mean matrix, meanwhile a relative efficiency of lse ofb is proposed and its bound is given

    當0時，眾多文獻討論了回歸系數陣的各種估計及lse的有效性，本文考慮了當0的情形，給出了回歸系數陣b及其可估參數函數kbl的在矩陣非負定意義下的最優估計（ blue ） ，研究了它的一個最大概率性質，並且討論了最小二乘估計成為最佳線性無偏估計的充分必要條件，在此基礎上給出了均值矩陣的最小二乘估計與blue的偏差估計，定義了lse相對于blue的一個相對效率，並給出了它的界。
  3. Specially, based on risk - metric and factor variables, the author discusses multi - factor asset pricing model. in theoretical analysis, the author attempts to release the assumption of index ' s random walk, proves a portfolio selection model suitable for the linear index level moreover, based on assets un - exchangeable, the author brings forward asset pricing models for b - shares, h - shares and non - circulated - shares. the author also brings forward multi - factor asset pricing model based on risk - metric indices, such as coefficient of beta, standard variance, standard semi - variance, average absolute deviation, value at risk, and factor variables, such as circulated market equity, exchange ratio, short - term historical return

    在理論分析時，作者嘗試放鬆指數水平滿足隨機遊走過程的假設，推導出指數水平呈線性趨勢的資產組合選擇模型；此外，作者基於資產不可交易這一假設，提出了b股、 h股和非流通股等情形的資產定價模型，並基於系數、標準差、標準半方差、平均絕對離差和風險價值等風險度量指標以及流通市值、換手率、短期歷史收益率等因素變量提出了四因素資產定價模型。
  4. There was double - logarithmic linear correlation significantly between specific weight metabolic rate and temperature in each of weight groups. temperature exponent ( b ) in the regression equation increased with weight increasing. the covariance analysis showed that the difference between the every two temperature exponents in the equations was significant

    （ 2 ）特定體重代謝率隨溫度的上升而上升，各體重組的代謝率與溫度之間均呈顯著的雙對數直線相關；溫度指數（ b ）隨體重的增加呈現上升的趨勢，協方差分析表明，回歸方程的溫度指數（ b ）間差異顯著。
  5. After knowing fully the present situation of business operation of the golden cereal company and development characteristics in logistic - system field, the mathematics model of logistics system has been established in the article with the application of linear program method in operational research, as well as the strategy of minimum route in graph theory and the thought of transiting all over ; meanwhile, on the foundation of internet network technology and structure of b / s, the online optimization design and production of web page have been carried out for the logistic - system of the golden grain farming capital company with adoption of jsp ( java server page ) technology and sql server database technology

    本文在充分了解金色谷農資公司的業務運行現狀和物流配送行業發展特點的基礎上，應用運籌學的線形規劃方法，以及圖論中最短路徑的策略和圖的遍歷的思想，建立了配送系統數學模型；並基於internet網路技術b s結構基礎上，採用jsp （ javaserverpage ）技術和sqlserver數據庫技術，對金色谷農資公司物流配送系統進行了網上優化設計及網頁製作，研製開發了金色谷農資智能配送網。
  6. Dbpropval it btree - the index is a b - tree. dbpropval it hash - the index is a hash file using, for example, linear or extensible hashing

    Dbpropval _ it _ hash -該索引是使用例如線性或可擴展哈希演算法的哈希文件。
  7. Linear matrix inequality was introduced to cope with the puzzle of determining common positive matrix. theory of stability analysis and controller design was established based on lmi method. ( 3 ) nonlinear fuzzy p redictive c ontrol t heory b ased on t - s s tate s pace m odel was explored

    針對穩定性分析中公共正定矩陣p難以確定的難題，引入了lmi方法，藉助于成熟的數學工具，不僅解決了確定公共正定矩陣p的問題，而且建立了基於lmi方法的穩定性分析和控制器設計的理論方法。
  8. Bell system technical, 1970, 49 : 291 - 307. 10 wu f, huberman b a. finding communities in linear time : a physics approach. eur

    本質上， dm演算法是一種啟發式的貪心優化演算法，它採用局部搜索方法能逐步逼近地為預先定義的目標函數找到一個近似最優解。
  9. Combining operation of new way of safety management in hengdaohezi branch of train affairs, the thesis explains some new methods, such as adding up of a hundred safety marks, check of joint liability and linear management, and analyzes thoroughly management information system of safety statistics for branch of train affairs in analysis on system demand, analysis on system structure and function, and analysis on system data and data process. in the system, data standard of two " two violation " accident of workers and leaders is classified into three levels a, b and c, which is convenient to computer management

    2 、結合橫道河子車務段安全管理新辦法的實施，論述了安全百分累計、連帶考核、線性管理辦法的基本思路和內容，從系統需求分析，系統組織結構與功能分析，系統數據與數據流程分析等方面，對車務段安全統計管理信息系統進行了詳細分析設計，將職工、幹部「兩違」事故數據標準分為a ， b ， c三類，便於使用微機管理。
  10. We have such specialized developers that all types of the products are meticulously designed and repeatedly regulated, of which the linear stage loudspeaker adopts the italian b & c unit, whose timbre rivals imported products of famous brands

    我們具有一批專業開發人員，每一款產品均經精心的設計和反復的聲音調校，其中線性舞臺音箱均採用義大利的b & c單元，其音色可與進口名牌相媲美。
  11. In the terms of interpolation, the image reconstructed from nearest interpolation or linear interpolation has good edge but serious noise ; reconstruction from 4 * 4cubic interpolation or three b - spline or three - order lagrange interpolations has better local character. 2 x 2cubic interpolations which has both better edge and local character is the ideal interpolation, the following is the basic principle during reconstruction : ( 1 ) the more width of interpolation, the more number of summation and the more order of interpolation polynomial, the higher of density resolution ; ( 2 ) the more of interpolation polynomial and width of interpolation, the more of reconstruction time simultaneously, aimed at eliminating the effects of noise contained in projection data, in this paper, author analysis cause and effects of common artifacts. importantly, discusses convolution back - projection reconstruction algorithm with a shift axis of rotation has been derived for correcting images that acquired with a divergence axis of rotation using the fan beam geometry with an angle - equaled detector

    在ct圖像重建時，選擇有限帶寬窗有較好的空間解析度，三角形窗有較好的密度解析度，選擇餘弦窗則使得空間解析度與密度解析度的折衷；從窗函數的頻譜角度來講，可以用於圖像重建的一個良好的卷積窗函數應該具備以下條件： （ ? ）小的3db帶寬b ，即最小的主瓣寬度； （ ? ）最小的旁瓣最大峰值a ； （ ? ）最大的旁瓣峰值衰減速度d ；就內插函數而言，臨近點內插與線性內插重建圖像噪聲大，但有較好的邊緣與細節； 4 4三次內插、三次b -樣條與四次拉格朗日多項式內插圖像平滑，局部特性較好。
  12. At the initial stage of planar technique, b was employed as ideal diffusion impurity in base - region of npn si planar devices because of the match of its solid - solubility and diffusion coefficient in si with those of p in emission - region, and the good shield effect of sio2 film to b. but because of the relatively large solubility ( 5 1020 / cm3 at 1000 ) and the small diffusion coefficient, the linear slowly - changed distribution of acceptor b in pn junction can not be formed, which could not cater to the requirement of high - reversal - voltage devics. thereafter b - a1 paste - layer diffusion technology and close - tube ga - diffusion technology had been developed, while the former can lead to relatively large the base - region deviation and abruptly varied region in si, which caused severe decentralization of current amplification parameter, bad thermal stability and high tr ; the latter needed the relatively difficult pack technique, with poor repeatability, high rejection ratio, and poor diffusion quality and productio n efficiency

    在平面工藝初期，由於b在硅中的固溶度、擴散系數與n型發射區的磷相匹配， sio _ 2對其又有良好的掩蔽作用，早被選為npn硅平面器件的理想基區擴散源，但b在硅中的固溶度大（ 1000時達到5 10 ~ （ 20 ） ，擴散系數小， b在硅中的雜質分佈不易形成pn結中雜質的線性緩變分佈，導致器件不能滿足高反壓的要求，隨之又出現了硼鋁塗層擴散工藝和閉管擴鎵工藝，前者會引起較大的基區偏差，雜質在硅內存在突變區域，導致放大系數分散嚴重，下降時間t _ f值較高，熱穩定性差；後者需要難度較大的真空封管技術，工藝重復性差，報廢率高，在擴散質量、生產效率諸方面均不能令人滿意。
  13. The bpm system that widely used in linear induction accelerator ( lia ) is beam bugs and b - dot

    在直線感應加速器中，廣泛使用的束位置測量裝置（ bpm ）有壁電流探測器（電阻環）和磁探針（ b - dot ） 。
  14. We construct eigenfunctions from the linear combination of the b - spline functions and the truncated fourier series, and extend pseudospectral method to calculate above - threshold ionization electron spectrum of one - dimensional atom in intense laser fields. our results are also in very good agreement with those of split - operator method

    本文還利用b樣條函數和傅立葉級數的線性組合構造原子未微擾的本徵函數，將偽譜方法推廣用來計算一維模型原子在強激光場中的閾上電離譜，其結果與分裂算符方法所得的結果也符合得很好。
  15. According to the documentation collected from domestic and abroad wang wei dong who works in huadong architect and structure institute utilizes the similar work property between the underground continuous wall and pile subjected the vertical loads, and introduces poulos method of elasticity and plastic which applies to pile foundation into the calculation for subsidence of underground continuous wall. pujialiu and yu yuzhou from water and electronic engineering of qinghua university, according to the result of three axes, define the concrete parameter utilize the model of non - linear e - b combined with the design cross section of dam in xiaolangdi, yellow river accept the total stress programme of thepd dam, and we analyze the stress and displacement of plastic concrete diaphragm wall by finite element method in comparison with the result of common concrete one. at same time, we consider the effect of the character of plastic concrete diaphragm wall which is composed of different gradients and adopting the level of stress and pulling stress infers whether the plastic concrete diaphragm wall is safe or not

    地下連續墻是一種歷史較短的施工方法，目前，砼防滲墻的設計還是以傳統的設計方法為主，根據查找國內外文獻資料，華東建築設計院王衛東利用地下連續墻與樁在豎向荷載作用下的工作性能有相似性，將適用於樁基的poulos彈性理論引入對地下連續墻的沉降計算中；清華大學水利水電工程系濮家騮、于玉貞根據三軸試驗結果確定混凝土的參數，利用非線性e - b模型，結合黃河小浪底土石壩設計剖面，採用thepd土石壩總應力程序，對深覆蓋層塑性混凝土防滲墻的應力、位移進行有限元分析，並與普通混凝土防滲墻計算結果加以對比，同時分析了不同配比塑性混凝土特性的影響，並採用應力水平和拉應力數值來判斷塑性混凝土防滲墻的安全程度。
  16. Electrocatalytic oxidation of glucose at the sensor is determinated with respect to solution ph, temperature and concentration of water - soluble mediator naphthol green b. under optimal conditions, the sensor displays a good linear response in the concentration range of 8. 0 + 10 - 4 mol / l - 3. 6 + 10 - 2 mol / l, and the detection limit is 5. 0 + 10 - 4 mol / l

    文中討論了溶解性媒介體萘酚綠b的濃度、溶液的ph值和溫度對該電極電流響應的影響。這一介體型葡萄糖傳感器在優化的實驗條件下，對葡萄糖表現出良好的響應特性，如響應快、重現性和穩定性好。
  17. Spline curves defined in the space constructed by polynomial and hyperbolic functions are studied in this paper. the main research contents and achievements are as follow : firstly, we generate the cardinal extended complete chebychevian ( ect ) - systems on the space constructed by polynomial and hyperbolic functions, then introduce the algebraic - hyperbolic b - spline space and identify the dimension law and zero properties. the existence of a basis of splines with minimal compact supports is demonstrated, and functions named non - uniform algebraic - hyperbolic b - splines are obtained by solving certain linear equations with a block matrix

    本文主要研究定義在多項式和雙曲函數構成的空間上的樣條曲線，其內容和完成結果如下:一、生成由多項式和雙曲函數構成的空間上的一組典範式ect （ extendedcompletechebychevian ）組及其對偶， ，證明非均勻代數雙曲b樣條空間的維數定理和零點定理，直接通過解塊矩陣線性方程組得到具有最小緊支撐的非均勻代數雙曲b樣條函數，進而構造非均勻代數雙曲b樣條曲線，還具體給出低階的表示
  18. N. b. the using temperature of bricks should not exceed the experimental temperature of linear change after heating. the above heat - conduction coefficent is obtained by using flat - plate method

    注：磚的工作溫度不超過重燒線變化的度驗溫度。表面導熱系數指標為平板法試驗數值。
  19. Secondly, the effect of transverse deforming on the property of the wedge pressing was studied. the results showed that : the wedge pressing stock with the transverse deforming amount of 10 % acquired the best performance. the highest density got the biggest rate of slope while with the amount of 30 % the curve was more some special structure and performance as following : the large porosities was crushed into small or linear ones with the high - direction deformation amount of 20 % ; as the increasing of the high - direction deforming, the particles got a further deforming, the porosities got a further crushing, the small porosities were mergered by the large ones and the former then disappeared ; when the amound reached 60 %, the quantity of the porosities would obviously decrease which made the materials compact, the microstructure more uniform and the density and hardness curves more horizontal, the relative desity could reach 99. 7 %, the tensile strength b of the as - compacted samples reached 408mpa with the yield strength s teached 289mpa and the elongation percentage reached 13. 6 %. in addition, the microstructure of the wedge pressing stock under the pressing temperectureof 450 was uniform, the porosities and the boundries of the grains basically disappeared and the conjunction between particles was great

    採用雙向楔形壓制，大尺寸噴射沉積5a06鋁合金楔壓坯的組織和性能變化具有如下特點:當高向變形量為20 %時，大的孔洞變形破碎為小的孔洞，或呈線狀孔;隨著高向變形量的增加，顆粒進一步變形，孔洞進一步破碎，大孔「吞併」小孔，小孔塌陷並逐步消失;當高向變形量達到60 %時，孔洞量大為減少，材料基本緻密，組織趨于均勻，楔壓坯料的密度、硬度變化曲線接近水平線，坯料的相對密度達99 . 7 % ，抗拉強度_ b = 408mpa ，屈服強度_ （ 0 . 2 ） = 289mpa ，延伸率= 13 . 6 % ;對比其它的壓制溫度，在450楔形壓制的坯料組織均勻，孔洞及顆粒邊界基本消失，顆粒之間冶金結合良好。
  20. The methodology adopted by most existing cam / cnc systems, which uses huge amount of linear segments to approach the original shape and make linear interposition increases the cost of memory size and communication work of the cnc system tremendously. a new approach based on cubic polynomial and b spline interposition to rebuild the cam generated tool path under real time condition is presented in the paper. applications on cnc machine tools showed that the presented approach improves the machining accuracy and increases the cutting speed significantly

    目前大多數cam / cnc系統採用大量小直線段逼近原始曲線和直線插補的做法，只能獲得零階連續的走刀軌跡，逼近精度低，不能保證高速加工運動的平穩性，因而加工精度、光潔度和加工速度都難以提高；由小直線段構成的nc代碼數據量龐大，也增加了數控系統在內存容量和數據傳輸方面的成本。
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