短時統計特性 的英文怎麼說

中文拼音 [duǎnshítǒngjìtèxìng]
短時統計特性 英文
short time statistics
  • 短 : Ⅰ形容詞（空間、時間兩端之間的距離小） short; brief Ⅱ動詞（缺少; 欠） lack; owe Ⅲ名詞1 （缺點） we...
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 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...
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 統計 : 1 （對有關數據的搜集、整理、計算和分析） statistics; census; numerical statement; vital statistic...
  • 特性 : characteristic（s）; character; performance; features; properties; behaviour; response; character...
  1. 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。
  2. Using the logarithm graph, multi - varieties production batch problem is resolved. the production scheduling is realized with heuristic traverse algorithm. at last, the strategies, which include disassembling task, shorting interval of the working procedure, overlapping working procedure, deferring the back working procedure etc., are brought forward to deal with the order ' s inserting, postponement, freezing and doing again on carrying out the production plan

    3 ）分析了企業職能信息系統的集成性和各部門間的協調性，研究車間生產計劃的制訂過程，以模糊多屬性折衷式模型實現了工藝路線的決策，採用對數坐標圖表法，解決了多品種生產批量問題，用基於啟發式的遍歷演算法實現了生產工單的排產，最後提出了任務分解、縮短工序間隔，相鄰工序時間疊加，延遲后續工序等控制策略處理計劃執行過程中工單的插單、延期、掛停與返工等特殊問題。
  3. Rteos is generally composed of some components, such as kernel, file system and networking etc. except for kernel, the other componets can be scaled to satisfy different applications. to rteos, the quality and performance of kernel is very important. the architecture of kernel decides the relationship between kernel and other componets. our task is to design and implement a comparable rteos kernel deitacore after we carefully analyze some popular commercial rtos. ln the design and implementation of deltacore, we carry the excellence forward and limite the shortage and add some feature

    內核的質量和性能對于整個實時、嵌入式操作系統來說至關重要，其體系結構的設計決定了實時操作系統其它部分與內核的銜接關系。本課題就是在對幾個主流商業實時操作系統內核機制細致分析的基礎上，揚長避短、加入自己的技術特色，設計並實現一種在功能、性能上與之都具可比性的實時、嵌入式內核deltacore 。
  4. Gps is a planet wireless conductance system which is global and all - weather, gps can offer high precision time orientation information to infinite user, clock precision reachs 10 ? 6 magnitude 。 not only changes traditional time method of quartz crystal clock, but also replaces wireless shortwave and even more lowfrequency signal and tv signal whose overlay range is limited and low precision, offers advantage to geology field task, achieve automatization and high precision of seismic flow observation

    利用gps授時信號全方位、全天候、連續性、實時性和高精度的特點，以gps信號為基準來校準本地時鐘（晶體振蕩時鐘或原子鐘） ，將gps接收機輸出信號的長期穩定度和恆溫晶振的短期穩定度相結合，應用大規模可編程邏輯器件，設計和實現了由pc104控制的實時在線授時系統。
  5. With increasing requirements of embedded system application and compliaction of embedded system design, on one hand, it is very necessary to use operating system as a implement platform, on the other hand, the controdiction of low commonness of embedded operating system and the shorting - time to market of the embedded product is very pointed. how to improve the performance and efficiency of embedded operating system is become a research hotspot. so with the research and implementation of microkernel eos51 for operating system based on sigle - chip computer, the paper gives an arichitecture of microkernel

    因為系統專用性能和其他功能方面的需求，使嵌入式操作系統必須具有各自獨特的特點。嵌入式系統應用功能需求的增加和系統設計復雜性的增大，一方面，系統設計和實現越來越離不開嵌入式操作系統作為底層支撐平臺；另一方面，嵌入式操作系統的非常低的通用性和日益縮短的嵌入式產品上市時間的矛盾日益尖銳。嵌入式操作系統的性能和效率已經成為當今嵌入式操作系統研究的熱點。
  6. Technological innovation is the development of enterprises in the last word, i have always maintained the secretary rise in special wallssevered the forefront of the core system, in 2000, the high - intensity of my invention cesium potassium glass chip. test success has been on the market seven years, 2007 to special ( fire ) glass wallsindoor fire glass partition, fire glass window design, construction and 10 years of deep - processing glass curtain wall designconstruction and constantly sum up experience and experiment, glass walls severed system to fire. high temperature must be within the framework of anti - bomb material support fixed glass in the event of fire. at the time of the explosion have enough time to ensure the integrity of the entire system. bullet - proof glass or glass does not fire in a short period of time due to damage fixed framework, a glass panel fell off, lost the fire or bomb - functional

    企業不斷的技術創新是我們發展的硬道理，也是我司一直保持林立於特種幕墻、隔斷系統前沿的核心， 2000年，我司發明的高強度單片銫鉀防火玻璃，經試驗檢測成功推向市場以來已有7個年頭，七年來特種（防火）玻璃幕墻、室內防火玻璃隔斷、防火玻璃門窗的設計、施工及十多年來的玻璃深加工，幕墻設計、施工及不斷的經驗總結和試驗，玻璃幕墻、隔斷系統要防火、防炸彈沖擊波必須要有耐高溫高強度的框架材料固定支撐玻璃，在一旦發生火災、爆炸的時候要有足夠的時間保證整個系統的完整性，不至於防火玻璃或防炸彈玻璃在短時間內由於固定框架破壞，而玻璃脫落，失去了防火或防炸彈的功能。
  7. 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。
  8. Facing to manufacturing system, this paper analyzed its characters and evolvement of production management modes, demonstrated that lean production and human - based theory were practical ways to reform our manufacturing systems fit for the reality. a division method was raised to separate the job - scheduling problem into shop and station types, and emphasis was pressed on the study of partheno - genetic algorithm ( pga ), a revised genetic algorithm, to calculate this problem. a new kind of gene joint - move algorithm was also raised

    針對製造系統，分析其生產管理模式的特點和變遷，論證了精益生產和以人為本的思想是適合現階段我國實際的製造系統管理模式改造途徑，對其中的主要具體問題?作業計劃調度提出shop （車間）和station （工作站）型兩分法，求解上重點研究了遺傳演算法的改進型式?單染色體遺傳演算法（ pga ）的基本理論，提出一種基因聯合移位運算元，證明了演算法的有效性與優越性，研究了如何將pga應用於製造系統作業調度這一復雜的組合優化問題，針對生產中總時間最短和jit兩種生產性能指標，給出了具體的解決方案及運算過程。
  9. The statistic of wavelet transform coefficient algorithm can solve the periodic noise, high - energy noise and some non - gauss noise simply and effectively ; bi - spectrum can acquire more information from the original signal than power - spectrum, detect more information except from range and restrain the gauss noise. short - time speech signal can be considered as stationary and with periodic non - gauss signal, so we can make use of bi - spectrum to obtain the speech character and separate the speech and noise and detect morse telegraph signal ; complex number spectrum variance algorithm is put forward based on the deeply observing speech data, it is a new algorithm, experiment show that it is simple, effective

    統計演算法在解決周期信號、高能噪聲和高斯信號方面有獨特之處，能簡單有效提取以上噪聲的特徵;雙譜能夠提供比功率譜更多的有用信息，有效地檢測信號幅度之外的其它信息，並能有效抑制高斯噪聲，短時語音信號一般認為是平穩且有一定的周期性的非高斯信號，因而可以利用雙譜來提取語音信號特性並實現信噪分離;復數譜方差演算法是在對語音信號進行深入觀察和分析的基礎上而提出來的一種全新的語音特徵提取方法，此方法簡單而有效的提取了語音、噪聲的特徵以及檢測莫爾斯信號，基於實驗表明，該演算法取得了很好的效果。
  10. The first part of the paper is designing the testing project for grounding resistance and insulation resistance in a new way. using 16bits ad converter with programmable control amplifier replaced the way which used changing resistance to change measure range. lt is not only improved testing precision and develop the system expediently, but also reduced the area of the circuit boardwith the new way. in order to make the electric implement safety testing system have upstanding expansibility, the software and hardware of the system adopted the modularization design. adopted mcu atmegal28 as a master mcu which control mmi, realtime clock and communication with slaver mcu. atemga8 as the slaver mcu to realize testing function. so it is easy to add or reduce the testing project. the testing implement system has been developed successfully, and the comments for the system is that it has high precision, high expansibility and easy maintain. but considering the electric implement system should have intelligence and humanity abi lity. so this paper bring forward a scheme of electric equipment safety testing embedded system with speech control. after introduce the basic theory of speech recognition, the paper expatiate the characters of this system. the system is a noise conditon, not special people, small glossary, insulation word system. with these characters design the speech recognition as fellow. utilizing cross zero ratio and short energy to ensure jumping - off point and end point ; adopting mfcc as the character parameters of speech recognition ; the character parameters than be recognized by dtw. in order to ensure the credibility of this project, first realized by matlab in computer

    在介紹了語音識別的基本原理后，闡述了本系統的特點：本系統是一個噪聲環境下非特定人、小詞匯量、孤立詞的語音識別系統。根據本系統的這些特點設計了如下語音識別方案：利用過零率和短時能量相結合的方式確定語音端點；採用mel頻率倒譜系數（ mfcc ）作為語音識別的特徵參數；得到的特徵參數最後通過動態時間規整（ dtw ）的模式識別方法進行識別。為了確保本系統實現方案的可靠性，首先通過計算機利用matlab軟體來模擬，在演算法模擬實現后又進一步增加環境的復雜性：加上較大的環境噪聲、突發性的噪聲等，再通過修改參數、修改參考模板、兩級識別等各種提高語音識別精度的方法來提廣東工業大學工學碩士學位論文高識別率。
  11. Theoretical analysis and simulation experiment showed that this kind of controller can improve the dynamic characteristic of the positioning table with a short setting time, little overshoot and a fast dynamic response, and can also restrain disturbance and high frequency vibration

    理論分析和模擬實驗證明，該控制器能較好地改善此類平臺的動態特性，具有調節時間短、無超調和動態響應準確快速等優點，並能夠有效提高系統的杭干擾和高頻振動能力，所得結論對此類平臺控制器的設計具有一定指導意義。
  12. ( 1 ) in the case of short data set, to select embedding space parameters as fast and exact as possible, the improved across displacement method for selecting time delay and the relative gain ratio of false neighbors

    （ 1 ）在短數據集情況下，為了快速、合理地選擇嵌入空間參數，提出了延遲時間選擇的交叉位移改進法和嵌入維數選擇的偽近鄰距離統計增長法，其特點是速度快、重復性好。
  13. With the diminishing marginal utility, the point of tangency may run to the area far to the central city. through the statistics and analysis, we find out that there are several characteristics in the central city tourism market : ( 1 ) the city tourists tour at weekends and gold weeks, and they want to buy such tourism products as " safe, convenience, short range and cheap ". ( 2 ) they tour by car or by themselves not go with tour team, ( 3 ) and stay out for zero to two nights

    本文重點對中心城市居民出遊市場進行了統計分析，通過分析發現中心城市出遊市場總體表現出以下特點： （ 1 ）城市居民外出旅遊時間除黃金周以外，主要集中在周末，其時間約束型的旅遊產品需求以「安、近、短、廉」為特徵的旅遊產品為主； （ 2 ）出遊方式以自駕車和自主安排為主，團隊遊客的比例在逐步下降； （ 3 ）出遊逗留時間以在外逗留0 ? 2夜為主； （ 4 ）城市居民出遊人群中女性比例高於男性； （ 5 ）出遊目的以近距離觀光、休閑為主，但度假市場正在蓬勃發展，現在中心城市周邊新興的「農家樂」就是度假旅遊的雛形和低級形式； （ 6 ）中心城市銀發市場和教師、學生市場是兩個原來被忽視卻孕育著巨大潛力的細分市場。
  14. To terminate integrations as early as possible we should predict the stability of the following movement with the known trajectories. the reason why characters in the frequency domains ca n ' t be used to determine the future stability is discussed. based on eeac a novel method is proposed for long term stability evaluation

    對于提前終止數值積分，即根據短時段內的穩定軌跡來估計系統后續穩定性的問題，分析了難以用軌跡的頻域特性作為判據的原因，並提出了預估的方法。
  15. Fourthly, in this paper, we integrate theories of time series analysis and principles of climate dynamics, research mechanism of the evolving process of air temperature, combine physical analysis with statistical analysis of stochastic process, select forecast factors and construct the mathematical model framework of nonlinear time series according with the evolving feature of air temperature

    4綜合隨機過程的統計理論與氣候動力學原理，研究短期氣溫演變過程的機理，將物理成因分析與隨機過程的統計分析結合起來，選擇預報因子，建立符合氣溫演變特徵的非線性時空序列的數學模型框架。
  16. The writer synthesize the technology of computer, wireless data communication, automatic control, ect., based in the cosideration of update communication technology according with the traditional industrial, implement a data transmission channel using gsm short message platform, which can meet the requirements of monitoring, dispersing and non - watching of the monitoring collection points, it is also a monitoring collection system with the features of wide covering by net, non - schedueld and unfixed monitoring, and it has the strong points of low investment and low management cost as well. this system has advantages compared with other systems that should meet the requirements as dispered locations of monitoring collection, wide covering, unfixing monitoring, non - strict demand for real - time

    基於將最新通訊技術融合到傳統產業中的考慮，綜合計算機、無線數據通訊、自動化控制等技術，作者成功實現了以gsm短消息平臺作為一種數據傳輸通道，適合監控採集點移動、分散、無人值守，具有網路覆蓋面大、可不定時動態監控特點的無線監控與數據採集系統，該系統具有用戶投資小、運營費用少的優點，對于解決監控採集點分散、覆蓋面廣、監控點移動、實時性要求較低的監控與數據採集任務具有無可比擬的優勢。
  17. Through the detailed analysis of safety - crital system software speciation arinc653 and several main stream commercial real - time operating system kernel, we designed and implemented a high available and reliable real - time operating system artos, which is as well as the same catagerous system on functionality and performance, based on our technology

    本課題就是在通過對安全關鍵系統軟體標準arinc653以及幾個主流商業實時操作系統內核機制細致分析的基礎上，揚長避短，在原有的國有實時嵌入式操作系統deltaos之上，並加入自己的技術特色，設計並實現一種在功能、性能上與國外同類操作系統都具可比性的高可靠性實時操作系統artos 。
  18. In this paper, we employ an approach of multifractal analysis to characterize the self - similar traffic in broadband networks. in comparison to the traditional statistical analysis, this approach possesses the capability of describing the long - tern fractal behavior as well as the shortterm behavior. by using this approach, we analyze the real traffic and the results prove the effectiveness of this approach. an important conclusion is obtained that traffic in broadbannd networks owns the multifractal property

    本文應用多重分形分析方法對寬帶網路中自相似業務量的分形行為進行分析，與傳統的統計測量方法比較，這種方法可以同時刻劃被觀察數據序列的短期和長期的分形行為.通過對一些業務量模型以及真實業務量的分析，表明該方法可以比較細致地刻劃業務量的分形特性，得到的一個重要的結論是寬帶網路中的業務量具有多重分形特性
  19. With the 300mw turbo - generator as an example, the effects of saturation on operational characteristics and the stator and rotor ' s practical dimensions and configuration on the saturated characteristics have been studied ; some work on the grid division strategy considering the practical dimensions and configuration and the precision of the nonlinear finite element equation also has been studied. then the program for calculating and analyzing turbo - generaors " steady characteristics has been compiled and devised

    本文在系統地研究了汽輪發電機運行特性（飽和特性、短路特性、零功率因數負載特性和u形曲線） 、非線性有限元方程計算精度、定轉子實際結構對飽和特性的影響及計及定轉子實際結構時的剖分策略等問題之後，進一步研究開發了適于不同型號汽輪發電機穩態分析的通用性有限元軟體。
  20. Thirdly, basic approaches of molecular dynamics simulation, which include building the model potential, potential truncation, short - range interaction computations, integration methods, boundary conditions and so on, are studied in detail. they are discussed in detail which include preparations for data before simulating, control method during simulating, different factors related to equilibration of simulating systems, observation of atomic structure after simulating, statistic and control methods of macro characters

    再次，深入研究了分子動力學模擬的基本演算法，包括物理建模、勢能截斷、計算短程作用力的方法、時間求積演算法和邊界條件問題等，並詳細討論了分子動力學模擬前的數據準備工作、運行時的控制方法、影響系統達到平衡狀態的各種因素和模擬后對原子結構的觀測以及宏觀特性的統計控制方法。
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