統計離散 的英文怎麼說

中文拼音 [tǒngjìlísǎn]
統計離散 英文
statistical straggling
  • 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...
  • 離 : Ⅰ動詞1 （離開） leave; part from; be away from; separate 2 （背離） go against 3 （缺少） dispens...
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 統計 : 1 （對有關數據的搜集、整理、計算和分析） statistics; census; numerical statement; vital statistic...
  • 離散 : dispersed; scattered about; separated from one another; spread; debunching; straggling; fringing;...
  1. We discussed the method of state space design, and deduced the ackermann formulation. in the end, separation theory is adapted to the discrete system of the delta domain

    文中討論了delta域內的狀態空間設計法：極點配置設計法及狀態觀測器設計法，推導了delta域內的ackermann公式，得出了分離定理同樣適用於delta域內的離散系統。
  2. 2 ) the function attributes of the workshop production plan and control system are also studied, that is to say, it is a complicated system including discrete and successive variables, and a great system which is ladder structure. affirmance, process time etc. can be found in the description of the production process

    2 ）研究了面向訂單半流程製造業車間生產計劃與控制系統的功能特徵：該系統是一個包含離散和連續變量的混合性系統，同時又是一個階梯形結構的大系統；在生產過程描述中含有「確認」 、 「加工時間」等概念。
  3. Given a set of raw data the six sigma black belt should be able to identify and compute two statistical measures each for central tendency, dispersion, and shape

    給出一組原始數據， 6西格瑪黑帶應能識別並計算出兩種統計測量的中心趨向、離散和形狀。
  4. The traditional method is that sampling 20 equidistance discrete voltages to calculate the virtual value. to gain the virtual value, we firstly average their square values, and then extract it

    傳統的計算有效值的方法是利用一個周期內等距離散的20個采樣點的瞬時值進行求解，通過計算它們的均方根值來得到有效值。
  5. This thesis tries to update the cmdsr system to achieve the characters below : real - time, better robust, higher recognition rate, non - special - man. considering the disadvantages of traditional improved spectrum subtraction speech enhancement, this thesis proposes the theory of fuzzy spectrum subtraction based on the fuzzy theory and improved spectrum subtraction speech enhancement ; as for the difficulties of detecting the endpoint of speech signal, the thesis gives the table of initial and the improved parameters, with which we can confirm the endpoints of mandarin digit speech ; the thesis puts forward two - level digit real - time speech recognition system, the first level is based on discrete hidden markov model which is linear predictive coding cepstrum ( lpcc ) and difference linear predictive coding cepstrum ( dlpcc ), the second level is based on formant parameters ; as for the realization of hardware, the thesis depicts the realization of every part of cmdsr based on the tms320vc5402 in detail ; as for the development of software, the thesis gives the software design flow chart of cmdsr, simulates the basic theory with matlab language and gives the simulation results

    針對傳統的「改進譜相減法語音增強」參數設定單一、環境適應能力差的缺點，提出了一種利用模糊理論和「改進的譜相減法」結合的「模糊譜相減法語音增強」 ;針對語音信號端點檢測困難的特點，通過matlab模擬試驗，給出了能夠準確確定數碼語音端點的初始和改進參數表;提出了利用基於線性預測編碼倒譜參數和差分線性預測編碼倒譜參數相結合的離散隱含馬爾可夫模型進行第一級識別、利用共振峰參數進行第二級識別的兩級漢語數碼語音識別系統，在保證系統實時性的同時，實現連接漢語數碼語音識別系統識別率的提高;在硬體實現上，詳細闡述了基於tms320vc5402的連接漢語數碼語音識別系統各部分硬體設計;在軟體開發上，給出了連接漢語數碼語音識別的軟體設計各部分的流程圖，並對各部分進行了matlab模擬，並給出了模擬結果。
  6. Standard deviation in statistics, a measure of the dispersion of a frequency distribution : it is the average magnitude of deviations from the center of normal curve, calculated by squaring all the deviations, calculating their mean, then finding the square root of the mean

    標準偏差：統計中，一種衡量數據組分佈的分散或變化情況的數據，是偏離正態分佈中間位置數據大小的平均值。
  7. In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 ， and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory

    由直流脈寬調速系統（ pwm ）和位置環構成的定位系統中，速度環的參數隨負載特性；電網電壓；給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 ， 2 .因此在設計位置環的離散滑模控制時，必須針對速度環（即位置環的控制對象）的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ，以確保系統在參數攝動時的穩定性和快速、無超調、準確定位的優良動態品質.為剖析該設計方法的控制效果，本文作了對比性研究，並將該設計方法用於工業試驗中，取得了滿意的結果
  8. Shortwave channel is time varying transmission channel. it has dispersion in frequency and time domains. this characteristics hinds the data transmi - ssion at high speed and the correction of received data. in this dissertation i have analyzed the statistic characteristic of shortwa - ve channel, established the model of shortwave channel and simulated the rayl eigh fading distribution. the technology of spreading spetrum has been proved that it has the capability for anti - multipath and discerning multipath

    在短波通信中，由於通道的時間色散和頻率色散，引起多徑展寬和多徑衰落，前者限制了數據的傳輸速率，後者造成短波數據通信中出現突發錯誤，為了解決多徑效應對短波通信的影響，本文所做工作如下：首先詳細分析了短波通道的統計特性，建立其數學模型；其次分析了擴頻通信的特點，從理論上證明擴頻技術不僅具有抗多徑干擾能力，而且具有分離多徑的能力；介紹了傳統的rake分集合併技術的特點。
  9. A. teel, d. nesic etc. initially studied iss stabilization of nonlinear sample - data systems of this type in 1998. practical stabilization of nonlinear sampled - data systems based on discrete - time approximation with sufficiently small sampling periods has been studied in recent years. the sufficient conditions have been given for the practical st abilization of the above case

    第三部分：在采樣周期固定的條件下，研究基於近似離散化模型上設計的關于參數t一致的漸近穩定采樣控制器能夠以漸近穩定方式一致鎮定其連續受控系統的條件。
  10. This methods is based on that when there is herding in stock market csad is going to become smaller. the results is when the markets dropping there is herding among investors, when the markets rising, there is no evidence of herding. the results prove my reasoning in section 3. why there is difference between bull and bear markets is due to investors " different attitudes towards loss and gains

    通過對個股收益率分散程度指標橫截面絕對偏離度（ cross - sectionalabsolutedeviation ， csad ）和市場收益率之間的關系模型的回歸統計分析，本文發現：在市場行情上升的時候，市場中的羊群行為並不明顯；在市場行情下跌的時候，市場中存在明顯的羊群行為。
  11. In the paper, with system energy balance method and heat conductive equations ， on tne basis of short time heat transfer modeling established the long time modeling, considering heat interference in thermal well group. this paper used the finit element method for element division and computer analysis, and provided the operation temperature figure. acquired computation values agreed well with experimental results, the most difference between them was 5. 13 %

    本文採用系統能量平衡結合熱傳導方程，在淺埋套管式換熱器短期傳熱模型基礎上建立了長期傳熱模型，並考慮了管群熱干擾對模型的影響。並運用有限單元法軟體編程進行離散和計算機分析，得出模擬溫度場，其模擬值與實測的均值基本相符，兩者最大誤差小於5 . 13 % ，表明該模型具有一定的合理性和實用意義。
  12. Set up a model for lfm signal detection and parameter estimation on the basis of realization of the digital computation of discrete fractional fourier transform 4

    3 .在分數階fourier變換離散數值計算實現的基礎上，建立了lfm信號的檢測與參數估計系統模型，並模擬實現。
  13. Firstly, a system was developed in functions to collect infrasound data, to transform analog voltage signal from detector into discrete signal by a / d card and to process the data by using methods of digital signal process

    首先設計一套數據採集系統，次聲波信號通過傳感器被轉換成模擬電壓信號，通過a d板將其轉換為離散的數字序列，輸入計算機。利用數字信號處理的原理和方法對異常次聲信號進行分析處理。
  14. Eddy - current sensor conversion circuit consist amplification circuit, band - pass filter circuit, demodulation circuit, differentiation phase and data sampling circuit. these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process. the microprocessor system that formed of dsp chip is used to data fitting of test system, data displaying and data communicating with personal computer, etc. the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter

    硬體電路的設計主要分三大部分來實現：激勵源電路部分，由分頻電路和頻率合成電路組成，產生頻率穩定的激勵信號以確保檢測任務的正常進行；傳感器變換電路部分，由放大電路、濾波電路、檢波電路、鑒相電路和數據採集電路組成，主要將電渦流傳感器檢測線圈檢測到的信號變換成只含有被測信息的離散信號，易於后續電路處理；由dsp晶元構成的微處理系統，主要完成檢測系統的數據擬合、顯示及與主機通信等功能。
  15. Adopting the latest research result on dynamic signal discrete spectrum analysis and the idea of virtual instrument, a dynamic signal analysis virtual instrument software system is developed, which is based on windows and has good performance

    並採用動態信號離散頻譜分析領域最新研究成果，基於虛擬儀器設計思想，研製一套方法新、功能全、實時性好、精度高的基於windows的通用動態信號分析虛擬儀器軟體系統。
  16. 3. for continuous and discrete interval 2 - d systems with given quadratic cost functions, sufficient conditions to check the existence of state feedback guaranteed cost controllers are derived and expressed in a set of linear matrix inequalities. furthermore, an optimal problem is proposed in this paper

    針對連續區間2 - d系統和離散區間2 - d系統，分別定義了適當的二次型性能指標和相應的保性能控制律，並由定義出發推導出lyapunov不等式形式和lmi形式的判定定理，用以判定這兩類系統是否存在保性能控制律，同時給出了保性能控制器的設計方法。
  17. Its main contents is as follow : firstly, it makes the discrete model for the subsystems of the scraper conveyor and the whole system with the finite element method ; secondly, the modal analysis method is used to obtain the inhere frequency and mode of the viberation ; finally, computer simulation is applied to get the displacement, velocity, acceleration and tension of the anyplace on the scraper conveyor for the four special working condition

    其主要內容如下：用有限元方法建立了刮板輸送機子系統及整個系統的離散體動力學模型；應用模態分析法求解系統的固有頻率和振型；對四種非穩定工況下的動態特性進行計算機模擬，得出整個刮板輸送機在任意點的位移、速度、加速度和動張力。
  18. The main works are summarized as follows : firstly, this thesis relatively fully refers to the literature in the field of sliding mode variable structure control, and summarizes the development history and characteristics of sliding mode variable structure control, and particularly introduces the elementary concepts and elementary definitions and design method. secondly, based on the principle of sliding mode control and fuzzy control a new design method of fuzzy sliding mode control is put forward for a class of siso nonlinear systems in the presence of uncertainties

    具體工作主要有：第一，比較全面查閱了關于滑模變結構控制的文獻，總結了滑模變結構控制的發展歷史和特點，詳細介紹了連續系統和離散系統滑模變結構控制的基本概念、基本定義和設計方法；第二，針對一類具有不確定性的單輸入非線性系統，把滑模控制原理和模糊控制理論相結合，提出了一種新的模糊滑模設計方法。
  19. The design of vsc for uncertain discrete time systems is discussed. a grey estimating model is built for the uncertain part and thus values of parameters are obtained. simulation results are presented to illustrate that the method in the thesis is rational

    四、研究了不確定系統的離散時間變結構控制，利用灰色系統理論，對不確定部分建立灰色估計模型，給出模擬數例，結果表明此方法是合理的。
  20. Moreover, the theory research and application reported of vsc appeared in the field of state estimation, discrete time system control, time delay control, robust control for uncertain systems, adaptive control, output feedback control and so on

    現今在狀態估計、離散系統控制、時滯系統控制、不確定性系統的魯棒控制、自適應控制、預測控制、輸出反饋控制等方面均有變結構控制理論的研究和報道。
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