統計上的波動 的英文怎麼說

中文拼音 [tǒngjìshàngdebōdòng]
統計上的波動 英文
statistical variation
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 上 : 上名詞[語言學] （指上聲） falling-rising tone
  • 的 : 4次方是 The fourth power of 2 is direction
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 統計 : 1 （對有關數據的搜集、整理、計算和分析） statistics; census; numerical statement; vital statistic...
  • 波動 : 1 （不穩定） undulate; fluctuate; unsettle; surge; rise and fall 2 [物理學] wave （motion）; wave...
  1. The procedure functions in the compare between partial image of dynamic collection and corresponding image of the airscape. in chapter 5, basing on the analysis of correlative theory of digital image, we introduce the improved fasted - down algorithm and simulative anneal algorithm, which applies to nn calculation, an d bring forward the unique and effective means, correlative original value evaluation. basing on the combination of correlative arithmetic, a stable, high - speed and exact correlative arithmetic is formed, which makes it possible to apply computer vision detection of single - needle quilting in industrial production

    本文展開研究並取得一定成效：構建了基於pci總線的微機實時圖像採集系統；在採集的布料總圖（鳥瞰圖）的基礎上，通過數字圖像的數字濾波、圖像增強、邊緣檢測等處理，提取布料圖像的邊緣，對輪廓的矢量化的象素點進行搜索，得到相應的圖案矢量圖，從而確定絎縫的加工軌跡，生成加工指令；在進給加工過程中，主計算機對動態局部圖像與總圖（鳥瞰圖）的對應部分進行圖像相關的匹配計算，應用數字圖像理論，結合神經網路計算的改進最速下降法和模擬退火演算法，提出獨特而有效的相關迭代初始值賦值方法，形成穩定、高速和準確的相關運算，實現單針絎縫視覺測量和自動控制。
  2. This paper is based on " the remodeled item of the 122mm automatic barbette servo system ". it introduced the controlled project of brushless direct current motor realized by dsp at first. on the base of analyzing and studying the driving wave of the brushless direct current motor thoroughly and fully, it carried on the servo system ' s simulink and presented the concrete software and hardware ' s devise of the whole system in the end

    本論文的撰寫是以「 122mm自行迫榴炮伺服控制系統的改型項目」為基礎，首先介紹了dsp實現無刷直流電機的控制方案，在深入、系統的分析和研究了無刷直流電機驅動波形的基礎上，然後進行了伺服控制系統的模擬，最後給出了伺服控制系統具體的軟硬體設計。
  3. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮，論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討：全面回顧了「可持續發展」概念的由來與演變，對國內外「可持續發展」的研究現狀進行了述評，並對「可持續發展」概念的科學內涵進行了深入探討；對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述，對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解；全面闡述了地下水資源變值系統理論的內容和意義，並與傳統的地下水資源計算評價方法進行了對比分析，結合實例具體說明了方法的應用；深入分析了地下水資源預測預報工作的極端重要性和復雜性，對傳統的地下水資源動態預測方法進行了全面的評述，指出了各類預測預報方法的特點及適用條件，對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍，以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹，並應用於地下水動態過程線的分析，採用時間序列中的b ? j法，蒙特卡羅方法，與地下水資源變值系統理論相結合，探討了地下水動態資料分析和地下水資源預測預報的新思路；綜合分析了現今各類地下水管理模型的特點及缺陷，將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度，使模型更準確、更實用；對保證地下水資源可持續開發的內部條件和外部條件進行了分析，內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀，科學的資源計算與評價方法，可靠的資源預測預報技術，可操作的資源管理措施，外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  4. Succeed to the work of precessors, in this paper an applied maple package rath is developed on the bases of wu ' s characteristic sets method for solving nonlinear algebraic equations, which is a complete implementation of tanh - function method

    本文在前人工作的基礎上，在計算機代數系統maple上開發了一個基於吳方法的孤波自動求解軟體包rath ，它完全實現了雙曲正切方法的自動化。
  5. The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro

    激光陀螺的核心部件為he - ne環形激光器，而掌握光與介質的相互作用理論是研究激光器的關鍵，採用拉姆半經典理論為主，在密度矩陣理論的基礎上，推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程，運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組，在此基礎上，運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ，對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究，並且運用全量子理論，對激光工作原理進行分析，得出二能級系統單模輻射場的光子數密度分佈，得出激光場的光子統計分佈，模擬激光場的動態建立過程。
  6. Under the assumption of linear ocean waves, and in the light of the theoretical framework about the probabilistic distribution of wave characteristics ( sun fu 1988 ), several probabilistic distributions of wave characteristics that is necessary for the estimation of breaking probability and whitecap coverage are derived. afterwards, the models of breaking probability and whitecap coverage are set up with these distributions in addition to the kinematical criterion

    在線性海浪假設下，基於孫孚（ 1988 ）關於三維海浪要素統計分佈的理論框架，具體給出二維海浪波峰處質點水平速度和表觀相速的聯合分佈等分佈函數，在此基礎上，根據運動學判據，分別建立起風浪破碎率和白浪覆蓋率的理論模式。
  7. It is composed of a cvt embedded voltage monitor and voltage quality analysis software. the monitor can detect voltage amplitude and voltage harmonics on line, and record waveform of disturbance voltage. the sampled data can be stored in computer by communication and can be reprocessed by the analysis software

    在理論分析研究的基礎上，設計了一種cvt嵌入式電壓質量監測儀，它由cvt嵌入式電壓監測儀和電壓質量監管軟體組成，可以在線檢測電壓幅值和電壓諧波，記錄電壓擾動波形，並在上位機實現數據二次處理和統計管理。
  8. And i finished the layout design, chip test of line driver and equalizer in 2. 5gbps baseband copper cable transceiver and equalizer in the 1. 5gbps sata transceiver respectively. the main improvements and innovations in this thesis are as follows : 1 、 to design an analog equalizer tuned on - chip for 2. 5gbps baseband copper cable transceiver ; 2 、 to present an adaptive equalizer for 1000base - cx transceiver ; 3 、 to present an auto - gain control amplifier used in the adaptive equalizer for the 1000base - cx transceiver ; 4 、 to present an adaptive continuous - time gm - c filter in very high frequency for the adaptive equalizer for the 1000base - cx transceiver

    論文主要的改進和創新有： 1 、設計了適用於2 . 5gbps基帶銅纜收發器系統片上可調的模擬均衡器電路； 2 、提出了一種新的適用於千兆以太網基帶銅纜收發器系統的自適應均衡器結構； 3 、設計了甚高頻自動增益控制放大器； 4 、設計了一種適用於千兆以太網基帶銅纜接收器均衡的自適應甚高頻連續時間gm - c二階帶通濾波器。
  9. It is until the eighties of the twentieth century the technique applied to prepare films such as diamond, bn and sic, etc. in this thesis, we first introduced the research on bn films and its development, properties and application of this interesting iii - v compound

    首先在統計大量文獻的基礎上，分析了bn薄膜的研究、發展和趨勢。總的研究趨勢是波動上升的，但近年來cbn的研究呈現回落趨勢。另一方面， hbn薄膜的研究逐漸受到關注。
  10. The study has completed the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system, and simulator program of dynamic and steady condition is established, which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system, a comparison is made between predicted and experimental characteristics, experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion, harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched, which cancelled the low harmonic and improve the system performance

    通過對電機的kron變換和對稱分量變換，建立了系統較精確的數學模型，編制了系統動態及穩態運行的模擬計算程序分別計算系統的動態和穩態性能。通過對系統的具體參數進行了模擬運算和實驗研究，實驗和模擬結果進行比較，說明實驗和理論較為一致，並從系統效率、轉矩脈動及兩相逆變器電容的影響等方面與各種逆變器和單相異步電動機組成的變頻調速系統加以比較。在此基礎上，對兩相逆變器供電-異步電動機系統使用諧波抑制pwm控制進行了研究，由於減少了低次諧波，改善了系統性能。
  11. He finds the pitch range after calculated the three important parameters through the bladed for windows software, then presents an optimized control strategy that regulate the pitch angle in terms of the wind speed. it must control the output power because the variational output power brings the variational loads. he confirms and optimizes the control strategy that the output power is the control target, the output power is divided into three parts

    將功率作為系統控制的目標，將功率分成三段進行控制，在低風速區，載荷是有限的，以功率最大化作為控制目標；在額定風速附近，由於處在升力曲線斜率的變化點，功率變化較大，應盡快調整槳距角進入失速區工作，減少載荷的波動，該額定風速區的上下工作點要通過現場試驗的手段來確定；在額定風速以上，使功率維持在額定輸出，減少功率波動，並通過bladed軟體的模擬計算對控制策略進行了驗證。
  12. The motion compensation of radar target and an analysis of influence of component imperfection in the realization of the method are presented. to evaluate the performance of the proposed method. monte carlo simulation has been conducted to estimate the root mean square error of the angle estimates and the spatial resolution snr threshold in the cases of both non - fluctuating targets and fluctuating targets

    在此基礎上，提出了針對相位權重角度超分辨法的雷達目標的運動補償方法，分析了雷達系統各部件的不理想性對超分辨性能的影響，用montecarlo方法對無抖動目標和有抖動目標在不同信噪比下的方位估計誤差和方位超分辨的信噪比門限進行了模擬計算，並將結果同波束空間music方法及cramerrao限進行了比較。
  13. This essay, firstly, expounds the definition and function of the market. then after viewing back the developing process and achievement of our agricultural products wholesale market, the essay points out the questions in the market, such as the fluctuating price, the price not being the basic value of agricultural products, the low organization degree of market subject, the poor quality of products, the incomplete and out - dated information, the underutilization of net - world, the lack of talented persons to statistic information, the blind - increasing markets and unreasonable geographical layout

    本論文闡述了農產品批發市場的定義、功能和作用，論述了世界農產品批發市場的發展過程及發展趨勢，回顧了我國農產品批發市場發展的歷程及取得的成果，深入分析了我國農產品批發市場上存在的問題，如農產品批發市場上價格不穩定、波動大，批發市場上的價格不是農產品的基礎價格；農民組織化程度低；農產品品質不高；批發市場信息老化、網路利用率低、信息統計人才缺乏；批發市場盲目發展，布局不合理等。
  14. Be aimed at the characters of fluvial layered pool, such as serious intrastratal and interlayer heterogeneity, small water flooding volume and low oil displacement efficiency in its high water - cut stage, the fine research work on reservoir heterogeneity model are carried out, and the research is done on the base of geological, logging, production testing materials and production date and with a center of the research of remaining oil. the west 7th block, gudong oilfield is in case. the forming mechanisms of remaining oil and its distributing feature in this area are revealed

    本文針對我國陸相沉積層狀油藏層內及層間儲層非均質性嚴重、高含水期水驅波及體積小、驅油效率低等特點，以剩餘油研究為中心，藉助于數學地質統計及聚類分析等方法，綜合利用孤東七區西的地質、測井、生產測試資料和生產動態信息等，深入開展了儲層非均質模型的精細研究，揭示了在不同規模非均質模型上剩餘油的形成機理和分佈特徵。
  15. Based on the analysis of commercial banks " current concept about fund management, this paper brings forward that fund management is the main - string in its operation, and that the concept of fund management, including security and profitability, is extended from current " forrying fund " to the management of the fund cost and fund risk the paper comprehensively discusses the principle of fund management, the management of fund costs, the tactics of management about fund liquidity, the measures of management about fund risks and how to solve the problems on interest risk in the period of frequent interest fluctuation. the paper puts forward ideas on how to improve the fund management. the security, liquidity and profitability of the fund, which are both contradictory and integrated with one another, are internal factors of fund management. fund liquidity is traditional core question. commercial banks face with a number of risks of witch credit risk is the greatest one because our country has adjusted interest rates 8 times since 1996, which covered a period of frequent interest fluctuation

    商業銀行面對許多風險，但最大風險是信用風險。由於我國自1996年以來已連續調整了8次利率，近幾年是利率波動頻繁時期，研究利率的敏感性問題顯得特別重要。要改善資金管理，提高商業銀行的經營水平，就要建立資金管理是商業銀行經營主線的理念，對資金要統一規劃和管理；要改革銀行的體制，建立現代企業制度和法人治理結構，在體制上為資金管理提供有利的運行平臺；增加改善資金流動性管理所需的貨幣政策工具，擴大資金調控手段；打破貨幣市場的僵化局面，為資金管理創造有利的宏觀環境；續續優化負債結構和負債載體設計；增強資金信用風險規避和化解的措施；通過銀行資源整合，努力尋找資金的安全投放渠道，最終完成經營模式由傳統型向現代型的轉變。
  16. Thaw settlement cause negative friction. this paper base on the thought of " initiative cooling ", aim at three problems existing in common concrete pile used in frozen soil, a new type of pile is proposed to overcome the disadvantages of the classical pile used in frozen soil. pile body within active layer is fluted and refilled with porous materials such as gravels and ballasts, convection will be occur and then thermal exchange inside porous material in winter while only heat conduction exists in summer, as a result the soil around flutings will be cooled, so the top line of permafrost will be drive up

    本文基於「主動冷卻」地基的思想，以及針對凍土地區普通混凝土樁存在的三大問題，提出了一種新型樁的設計思路，運用數值模擬試驗手段對其冷卻機理與加固機理進行了系統研究，即在凍融活動層的深度范圍內，在混凝土樁身的表面刻槽，修築完時槽內填充碎石、塊石等多孔介質，通過外界大氣溫度的自然波動下多孔介質在冬季時存在的對流換熱機制，而在夏季只存在熱傳導，來達到主動冷卻樁周凍土和抬升凍土上限的目的。
  17. According to the test data and the technological and economic comparison between a process of mbr and a conventional process for reclaimed water treatment, it is concluded that the investment and operating cost of mbr is the same as the conventional process basically. the advantages of mbr are on the land occupation, maintaining, effluent quality and automatic control. the process is specially suited to hotel, restaurant and public buildings because they usually have less useable land, bigger fluctuation of sewage rate, understaffed group of management and higher quality demand of effluent

    根據取得的試驗數據，通過對膜生物反應器設計實例與傳統工藝設計相比較，在進行技術經濟分析后認為，膜生物反應器處理工藝在投資與運行成本上與傳統工藝基本持平，而在佔地、維護管理、處理水質、自動化程度等方面比傳統工藝有較大優勢，特別適合中水設施場地不足、原水波動大、管理人員少、出水水質要求高的賓館、飯店和公共建築。
  18. Become a kind of new electronics circuit - current - mode circuit. it is replacing the traditional design method of the voltage - mode in the high frequency high - speed signal processing realm 。 this thesis mainly discussed the modified second - generation current conveyors based on the current - mode kinds of new cuicuit components, they are stronger modified standard current - mode parts in fuctions on this foundation. mainly including the modified differential difference current conveyor ( mddccii ) 、 the fully balanced second generation current conveyor ( fbccii ) 、 ( full balances ) four - terminal floating nullor ( fbftfn ) and the current differencing buffered amplifier ( cdba ), they are all function very strong standard current - mode parts, they all can provide some circuit functions of better than general operation amplifier, because they have the voltage importation and the current importation, therefore use it since can carry out the voltage - mode signal processing circuit expediently, can also carry out the current - mode signal processing circuit expediently, and have to increase the benefit bandwidth to accumulate more widely than the voltage - mode, but have their advantages more according to the current - mode filter of the modified current conveyor, because it constitutes in brief, the filter wave function is stronger and they are better than in general use operation amplifier of many advantages, be easy to composing for example 、 high speed 、 frequency bandwidth 、 the power supply voltage requests low 、 consume small, the impedance is different from etc. advantages, otherwise they have biggish dynamic range, and flexible circuit synthesize, so they are the best active parts

    從第二代電流傳輸器ccii入手，重點研究了以下幾種改進型的第二代電流傳輸器:改進的差動差分電流傳輸器mddccii 、全平衡第二代電流傳輸器fbccii 、多輸出四端浮地零器ftfn 、全平衡四端浮地零器fbftfn 、電流差分緩沖放大器cdba的電路結構及其模型。然後在此基礎上系統地研究了基於這幾種改進型的第二代電流傳輸器的濾波器的設計方法，主要方法和結果如下:利用mddccii設計了差分式連續時間電流模式低通、帶通濾波器;電流模式跳耦結構考爾低通濾波器;利用fbccii設計了帶通二階節濾波器及電流模式雙二階通用濾波器;設計了基於多輸出端ftfn的電流模式二階通用濾波器電路;通過數字化開關選擇的基於fbftfn的電流模式通用濾波器;設計了基於最少個數電流緩沖放大器（兩個cdba ）的多功能通用電流模式濾波器及其在非理想因素情況下分析。設計濾波器的主要方法是採用級聯設計、運算模擬（信號流圖法）和反饋設計（跳耦法） 。
  19. Does this represent a trend, or is it simply a statistical fluctuation that can be expected to disappear over the years

    那麼，這是不是可以表明一種發展趨勢呢？或者只是一種數年後就會消失的統計上的波動呢？
  20. To analyze the pressure waves in the exhaust pipes and the influence of the catalytic converter, new simulation software has been developed by the author on the base of mk14, which is a powerful tool in developing exhaust system with catalytic converter. its principle and the method to use are explained. the numeral models for engine simulation are simplified in the paper

    為分析摩托車排氣壓力波的構成與變化、也為分析催化轉化器在排氣系統中對整體設計的影響，借鑒目前常用的幾種模擬計算軟體，結合特徵線理論，在mk14程序的基礎上開發了以進、排氣系統為主的發動機模擬計算系統（ escs ） ，該程序是加快設計周期的有力工具。
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