聯合隨變量 的英文怎麼說

中文拼音 [liánsuíbiànliáng]
聯合隨變量 英文
joint rand m variables
  • : Ⅰ動詞(聯結; 聯合) unite; join Ⅱ名詞(對聯) antithetical couplet
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : Ⅰ動詞1 (跟; 跟隨) follow 2 (順從) comply with; adapt to 3 (任憑; 由著) let (sb do as he li...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 聯合 : 1 (聯系使不分散;結合) unite; ally 2 (結合在一起) alliance; union; coalition 3 (共同) joint;...
  1. At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel

    首先,系統分析了影響黃河水位的水沙因素,及僅用水沙因素有效研究水位的可行性,並按對應思想採集它們的相應數據;其次,由於相應水位過程數據中含極強的非線性關系,本論文經細致的理論分析,將基本的非線性分析方法、統計建模方法、機分析理論、最小均方誤差原則等等數學理論及方法有機揉,提出了能有效實現這類數據高精度擬的分層篩選法,並改進了統計學中多因子(三個以上)方差分析法;再次,將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬,實現了這一典型非線性關系的高精度擬,各年汛期上下游相應洪水位過程的擬誤差都較小;最後,明確黃河下游含沙對水位的主要影響方式,即含沙主要是與其它因素對水位作用;另外分析了要實現動河床洪水位過程準確預報的困難所在及改進方向。
  2. When the content of vermiculite minerals was about 10 %, the impact strength ( nick ) and the flexural strength had maximum value, but those of the polybenzoxazine ( bisphenol a type ) / phlogopite composites had been going down. as the content of vermiculite minerals was over 5 %. hdt of the polybenzoxazine ( bisphenol a type ) / vermiculite hybrid nanocomposites was higher than that of the polybenzoxazine ( bisphenol a type )

    4幾插層狀分散的10蛙石含的納米復材料的物理交作用表現較為明顯,力學性能處于峰值; hdt高於純樹脂,並的增加而提高,含金雲母的復材料的hdt則不其含化而化。
  3. Based on the terszige and biot theory, initially analyze the economical of this experiment, directly save investment 22 % after compute. after that, computing the settlement of highway foundation, comparing the computing and survey value, the predict formula of vacuum - heaped load combining precompression for designing, this formula show that the distortion law of consolidation progress. at the same time, based on the position and room experiment, analyzes the intension transformation in soft soil and criteria of stabilization control

    在太沙基和比奧固結理論的基礎上,先分析了此次試驗的經濟性,經核算直接節約投資22 ,經濟效益十分明顯;后對真空堆載預壓法加固軟土路基的沉降進行了估算,並與實測值作對比分析,得出了真空堆載預壓下的沉降估算公式,能反映「真空」加固過程的化規律;同時根據現場和室內試驗,分析了軟土強度的化,以及給出並驗證了工后沉降控制標準。
  4. Electromotor joins with high efficiency selected water pump, scm ( single chip micyoco ) control system commands water pump according to cooling water temperature which substitutes traditional strap - driving mechanism pump and forms tael - level intellectualized control cooling system combining with electromotion control of cooling fan. consequently it realizes that water pump and fan autoregulate with engine working status and assures t hat cooling water temperature keeps in the best range all the time and advances the reliability of engine working and realizes exact control of cooling water temperature in deed

    選用高效率水泵與電機接,改由單片機控制系統根據冷卻水溫控制水泵的工作,代替傳統的皮帶帶動的機械水泵,結冷卻風扇的電動控制形成兩級智能化控制的冷卻系統,從而,實現了水泵和風扇轉速發動機工況化的自動調節,真正實現了冷卻水溫的精確控制,保證了冷卻水溫始終保持在最佳范圍內,大減少傳熱損失降低油耗,並提高了發動機工作的可靠性。
  5. In 2003, in order to satisfy sme users requirement in the reliability, expandability and maintainability of it systems, ibm software group put forward an " sme excel plan ", focused on helping smes to realize change - adapting e - business. ibm also developed a series of tailored express software solutions for smes in terms of design, pricing and marketing and promoted the application of this series of solutions in the sme market through enhancing the cooperation with partners and new channel supporting plans

    2003年,為了滿足中小企業用戶對it系統可靠性可擴展性可維護性等方面的要求, ibm軟體集團推出了致力於幫助中小企業實現電子商務需應的「中小企業騰越計劃」 ,並且專門開發出了一系列針對中小企業身設計定價與營銷的express易捷軟體解決方案,並通過加強與作夥伴的作及全新的渠道支持計劃來推進該系列解決方案在中小企業市場應用推廣。
  6. The proposed jtc greatly reduces the intensity and width of the strong dc component, sharpens the correlation peak, eliminates cross - correlations among each input target, and the conjugate cross - correlation between the reference and input targets at the same time. in order to calculate the discriminant probability of the objects, a simple but self - explainable statistic function was presented to show where the true object and false object occurred in the unknown input image sequence

    在此基礎上,論文提出了基於位相編碼振幅調制的畸多目標識別換相關技術,即通過改機位相模板的調制因子的大小來改善相關輸出的性能,一步消除了共軛相關項、輸入待識別圖像之間的互相關項,並大大降低了零級相關峰的能和寬度。
  7. First the paper use the different four network operating condition as the primary given conditions and set the 330 / 220kv transformer tap changer position in the standard position, adding the paralleled capacitor bank sets one by one into the network to change the amount of the input reactive power, thus obtained four sets of the 330kv and 220kv bus voltage and the active and reactive power losses changing curves

    進而研究了在每一確定並補償電容器組投入條件下,調壓檔位化而產生出的一組並補償、母線電壓與損耗的化曲線。進而選出了隴南電網在四種選定電網運行方式下、有功損耗最小條件下的最優綜控制組曲線。
  8. The research results show that aggregate gradation and the nominal maximum aggregate size evidently influence the shear resistance of asphalt mixture ; aggregate flakiness content influences the shear resistance of asphalt mixture, and with the increase of aggregate flakiness content the shear resistance of asphalt mixture decreases ; asphalt binder properties, especially penetration, softening point and viscosity influence the shear resistance of asphalt mixture, and the latter increases with the decrease of penetration and the increase of softening point and viscosity ; asphalt content influences shear resistance of asphalt mixture, and with the increase of binder / aggregate ratio the shear resistance of asphalt mixture decreases ; air void influences shear resistance of asphalt mixture, and usually with the increase of air void the shear resistance of asphalt mixture decreases ; homogeneity does not have a direct and obvious relationship with absolute value of shear resistance of asphalt mixture, but does with variation of shear resistance of asphalt mixture

    研究結果表明:集料級配和公稱最大集料粒徑對瀝青混料抗剪強度有顯著的影響;瀝青混料抗剪強度受其集料中針片狀含的影響較大,集料中針片狀含增大,瀝青混料抗剪強度減小;結料的性質,特別是針入度、軟化點和粘度對瀝青混料抗剪強度有較大的影響,著針入度減小,軟化點和粘度增大,瀝青混料抗剪強度增大;含油對瀝青混料抗剪強度有較大影響,著油石比的增大,瀝青混料抗剪強度減小;瀝青混料抗剪強度受其空隙率的影響較大,一般著空隙率的增大,其抗剪強度減小;瀝青混料均勻性與瀝青混料抗剪強度絕對數值間沒有明顯的關,而與數值間的異性有著很好的相關性。
  9. The main contributions of the second part of this dissertation are focused on the cryptographic properties of logical functions over finite field, with the help of the properties of trace functions, and that of p - polynomials, as well as the permutation theory over finite field : the new definition of chrestenson linear spectrum is given and the relation between the new chrestenson linear spectrum and the chrestenson cyclic spectrum is presented, followed by the inverse formula of logical function over finite field ; the distribution for linear structures of the logical functions over finite field is discussed and the complete construction of logical functions taking on all vectors as linear structures is suggested, which leads to the conception of the extended affine functions over finite field, whose cryptographic properties is similar to that of the affine functions over field gf ( 2 ) and prime field fp ; the relationship between the degeneration of logical functions and the linear structures, the degeneration of logical functions and the support of chrestenson spectrum, as well as the relation between the nonlinearity and the linear structures are discussed ; using the relation of the logical functions over finite field and the vector logical functions over its prime field, we reveal the relationship between the perfect nonlinear functions over finite field and the vector generalized bent functions over its prime field ; the existence or not of the perfect nonlinear functions with any variables over any finite fields is offered, and some methods are proposed to construct the perfect nonlinear functions by using the balanced p - polynomials over finite field

    重新定義了有限域上邏輯函數的chrestenson線性譜,考察了新定義的chrestenson線性譜和原來的chrestenson循環譜的關系,並利用一組對偶基給出了有限域上邏輯函數的反演公式;給出了有限域上分佈的分解式,並利用分佈的分解式對有限域上邏輯函數的密碼性質進行了研究;給出了有限域上邏輯函數與相應素域上向邏輯函數的關系,探討了它們之間密碼性質的系,如平衡性,相關免疫性,擴散性,線性結構以及非線性度等;討論了有限域上邏輯函數各類線性結構之間的關系,並給出了任意點都是線性結構的邏輯函數的全部構造,由此引出了有限域上的「泛仿射函數」的概念;考察了有限域上邏輯函數的退化性與線性結構的關系、退化性與chrestenson譜支集的關系;給出了有限域邏輯函數非線性度的定義,利用有限域上邏輯函數的非線性度與相應素域上向邏輯函數非線性度的關系,考察了有限域上邏輯函數的非線性度與線性結構的關系;利用有限域上邏輯函數與相信息工程大學博士學位論文應素域上向邏輯函數的關系,揭示了有限域上的廣義bent函數與相應素域上的廣義bent函數的關系,以及有限域上的完全非線性函數與相應素域上向廣義bent函數之間的關系;給出了任意有限域上任意。
  10. Second, the random variables in reliability analysis of the steel rail are discussed. these random variables include the wheel load, the stiffness of the rubber pad and the bed, the temperature stress and the fatigue ultimate strength of the steel rail. and their probability distributions and parameters are discussed thoroughly

    其次,對鋼軌可靠度分析中涉及的如輪載力、軌下膠墊剛度、道床路基剛度、溫度應力及鋼軌疲勞極限強度的概率分佈類型和統計特徵進行了詳細討論。
  11. The shifting reaction consumed energy but increased the methanol synthesis ratio and the system efficiency. the energy method was used to analyse the effect of methanol synthesis ratio on system efficiency to show the advantages of polygeneration system

    本文以能分析的結果來說明多產系統效率甲醇成產率(以接近平衡態的程度表示)的化規律,指出了換反應在能利用和環境保護上的理性。
  12. The article has researched the intention of agricultural industrialization which is guided by market and mainstay enterprises, based on agricultural product base organized by a lot of families, and characterized by joint management and mutual benefit. it also realized production specialization, product commercialization, service socialization and etc. the article has also researched the existing conditions of agricultural industrialization both at home and abroad. although it is different in national conditions and actual practice, the developed countries follows the market economic law and naturally steps on the road of agricultural industrialization. as the continuous reforming and opening up, china actively explores and enhances the management level of agricultural industrialization. the writer uses system changing theory, scale management theory, trade expense theory. market system theory and industrial economics theory, to put forward the main type of mainstay enterprises, which is divided by ownership, organization form, contact form and product. the writer thinks that development of mainstay enterprises can promote effective joining between small production and big market, the developing of high - benefit agriculture, establishing trade / industry / agriculture operation system, region economics and joining process between urban area and rural area. the existing conditions in strengthening the mainstay enterprises in zhaoyuan embodies continuous expanding in scale. continuous widening in fields, continuous enhancing in benefits, continuous improving in techology and quality. by finding the problem and shortage in product quality, developing ability and scale strength, the article has put forward the following views : face to market and enhance quality and techological content of agricultural products ; enforce flexible policy and investments ; establish fair and reasonable benefits joining system. the article has also put forward the countermeasures and suggestions on enhancing the enterprises ' management level

    文章研究了農業產業化經營的內涵,明確其以市場為導向、以龍頭企業為依託、以一大批農戶組成的農產品生產基地為基礎,形成農工商有機結、風險共擔、利益均沾的本質特點,表現出生產專業化、經營一體化、企業規模化、產品商品化、服務社會化等特徵。分析了國內外產業化經營的現狀,認為盡管各國的國情不同,具體的做法和叫法不盡相同,但是經濟發達國家都遵循市場經濟規律,很自然走上了農業產業化經營的道路,發展中國家紛紛仿效,中國也著改革開放不斷深入,積極探索發展提高農業產業化經營水平。作者運用制度遷理論、規模經營理論、交易費用理論、市場機制理論和產業經濟學理論,提出了龍頭企業從所有制形式、從組織形式、從系方式及從產品上劃分的主要類型;認為發展龍頭企業有促進小生產與大市場的有效對接、推動優質高效農業縱深發展、建立貿工農一體化運行機制、振興區域經濟、加速城鄉一體化進程等作用;考察了招遠市壯大龍頭企業推進農業產業化的現狀,表現在規模不斷擴大、領域不斷拓寬、效益不斷提高、技術不斷改進、質不斷提高等方面;找出了龍頭企業產品質上、開發能力上、規模實力上和行業自律上的問題和差距,提出了要面向市場,努力提高農產品的質和科技含,多策並舉,搞活投入機制,建立公平理的利益結機制,加強行業自律,提高企業經營管理水平等對策和建議。
  13. But in more situations the random variables generating counting processes may not independent identically distributed, and in all kinds of dependent relations, negative association ( na ) and positive association ( pa ) are commonly seen. the research and apply in this aspect are rather valuable. in chap 2 we prove wald inequalities and fundamental renewal theorems of renewal counting processes generated by na sequences and pa sequences ; in chap 3 we are enlightened by cheng and wang [ 8 ], extend some results in gut and steinebach [ 7 ], obtain the precise asymptotics for renewal counting processes and depict the convergence rate and limit value of renewal counting processes precisely ; at last, in the study of na sequences, su, zhao and wang ( 1996 ) [ 9 ], lin ( 1997 ) [ 10 ] have proved the weak convergence for partial sums of stong stationary na sequences. however product sums are the generalization of partial sums and also the special condition of more general u - statistic

    但在更多的場中,構成計數過程的未必相互獨立,而在各種相依關系中,負相協( na )和正相協( pa )是頗為常見的關系,這方面的研究和應用也是頗有價值的,本文的第二章證明了na列和pa列構成的更新計數過程的wald不等式和基本更新定理的一些初步結果;本文的第三章則是受到cheng和wang [ 8 ]的啟發,推廣了gut和steinebach [ 7 ] )中的一些結論,從而得到了更新計數過程在一般吸引場下的精緻漸近性,對更新計數過程的收斂速度及極限狀態進行精緻的刻畫;最後,在有關na列的研究中,蘇淳,趙林成和王岳寶( 1996 ) 》 [ 9 ] ,林正炎( 1997 ) [ 10 ]已經證明了強平穩na列的部分和過程的弱收斂性,而乘積和是部分和的一般化,也是更一般的u統計的特況,它與部分和有許多密切的系又有一些實質性的區別,因此,本文的第四章就將討論強平穩na列的乘積和過程的弱收斂性,因為計數過程也是一種部分和,也可以構成乘積和,這個結果為研究計數過程的弱收斂性作了一些準備。
  14. Methods a retrospective survey was done in 68 complicatedly injured eyes undergoing routine closed vitreetomy due to vitreous opacity with massive hemorrhage, or with traumatic retinal detachment and proliferative vitreoretinopathy ( pvr ), foreign bodies in posterior segment, endophthalmitis, posterior - dislocation of lens and so on, and most of them received the combined operations simultaneously

    方法回顧分析復雜眼球外傷68隻眼,因玻璃體大積血混濁、伴外傷性視網膜脫離及增生性玻璃體視網膜病( pvr ) 、眼後段異物、眼內炎、晶體后脫位等病,行常規閉式玻璃體切除術,同時根據不同伴相應的手術治療。
  15. Then we get ruin probability, actuarial diagnostics and lundberg inequality in the new model. as to the risk model with random premium rate, we concerned with discrete random variable, continuous random variable and general random variable. we derive the formula of ruin probability, the extreme during the total duration of negative surplus and the joint distribution of the surplus immediately before ruin and the deficit at ruin

    對于保費率為的一類風險模型,本文就離散的、連續的、一般的三個方面進行討論,運用概率方法和風險理論的方法推導出破產概率、末離前最大盈餘分佈、破產前瞬時盈餘與破產赤字的分佈等精算分佈的一般公式。
  16. Secondly, problem of grasp planning of multi - fingered dexterous hand is studied in this dissertation. advanced generalized stochastic petri - net ( gspn ) method is used to solve the problem of grasp planning. several important indexes such as the reach - ability, incidence matrix a, p - invariant and t - invariant, etc. are analyzed

    其次,本文對三指機器人手爪的抓取規劃問題進行了研究,結較為深入的廣義機petri網( gspn )理論對多指靈巧手的抓取規劃問題進行了建模與模擬,並對petri網的可達樹、關矩陣a 、 p不、 t不等關鍵性能指標進行了分析。
  17. Joint rand m variables

    聯合隨變量
  18. Take the hoc based blind modulation detection algorithm as an example, the relationship between the blind modulation detection algorithm and synchronization is investigated. an unproved detection algorithm robust to frequency offset is proposed which solves the problem caused by the error in carrier synchronization. how to synchronize a received signal with unknown modulation type is studied and a blind algorithm to estimate symbol timing of the signals with unknown modulation type is presented

    研究了載波同步和碼元定時同步與調制方式盲檢測演算法的關系;以自適應單載波中高階累積調制方式盲檢測演算法為例,對于載波同步誤差引起的頻偏問題,提出一種基於頻偏穩健的mdpsk信號調制方式盲檢測演算法;對于未知調制方式信號的定時同步問題,提出一種盲定時估計演算法,該演算法可以估計mdpsk和mqam信號的定時同步信息,實現數字信號的同步分類;提出了一種基於調制方式盲檢測的自適應接收機結構,把調制方式盲檢測,信噪比估計和同步解調起來進行,實現調制方式通道質而自適應化的信號的正確接收。
  19. Furthermore, by the predicted stable random variables, the plot of joint stable density function of szsi and shci is provided

    利用預測的穩定,得到了szsi和shci的穩定分佈下密度函數的圖示。
  20. As per optimal operation pattern function with annuals cycle, each decision of annual cycle and corresponding operating factors in the light of observed value of random variable, regression analysis at each time - interval is carried out and then regression equation will be as the operation function to guide cooperating operation for group hydropower station

    依據優化調度模型函數,以年為周期,將各年周期的決策值及其相關的運行要素作為的觀測值,逐時段做回歸分析,並將其回歸方程作為指導水電站群運行的調度函數。
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