characteristic time scale 中文意思是什麼

characteristic time scale 解釋
特徵時間尺度
  • characteristic : adj 有特性的;表示…特性的,…特有的。 Japan s characteristic art 日本特有的藝術。n 特性,特徵,性...
  • time : n 1 時,時間,時日,歲月。2 時候,時刻;期間;時節,季節;〈常pl 〉時期,年代,時代; 〈the time ...
  • scale : n 1 (尺、秤等上刻劃的)分度,度數,標,標度,刻度;尺寸;尺,尺度。2 【音樂】(標度)音階;音列...
  1. ( 2 ) providing the new information on large - scale, superlarge - scale deposits evolution in time and characteristic metallogenic events of the main stages during geodynanmic evolution ; summarizing the feature of large - scale metallogenic processes in some giant deposit clusters in the world and concluding the main type of large - scale metallogenic processes in the tectonic cycle of lithosphere

    2 )較詳細地提供了全球主要金屬礦種大型、巨型礦床隨時間演化的新資料,闡述了地球動力學演化歷史中主要成礦階段的特徵成礦事件,首次總結了世界一些主要巨型礦集區的大規模成礦作用及其地球動力學背景特徵,並歸納了巖石圈構造演化旋迴中的大規模成礦作用類型。
  2. Abstract : the current technical condition and grain production and distribution as well as the characteristic of circulation of area grain storage in yunnan province has been analyzed, at the same time, the technical measurement for improving the level of grain storage and transport has been discussed. however, the main line of grain circulation taking bulk storage and bulk transport as the primary form will be set up, and the modern grain storage equipment will be fitted in newly build and improved large - scale granary, simultaneously, the supervisory and examination mechanism of province and area will be strengthened

    文摘:分析了雲南省區糧食儲藏技術現狀及糧食產銷和流通特點,論述了提高糧食儲運水平的技術措施,即建立以散儲散運為主要形式的糧食流通主幹線;在新建和改造的大型糧庫配備先進的儲糧設施;健全省區內的糧食監督檢驗機制等。
  3. The thesis detailedly discusses a kind of optimize method on genetic algorithm, and points out the advantage obout utilizing genetic algorithm to solve large - scale non - linear system. through the study on large - scale strip mine truck real - time dispatch system, proposes the optimize model of strip mine truck real - time dispatch system, and utilizes the characteristic of genetic algorithm, provides a method of using genetic algorithm to solve the optimize model, designs the genetic operators at the same time. by the program language of matlab, develops strip mine truck real - time dispatch system. the system has the advantage of simpless and perfect function, proposes powerful sustain for strip mine ' s production and decision - making

    本文詳細討論了遺傳演算法這種優化方法,指出了遺傳演算法在解決大型非線性系統優化問題時的優越性。通過對大型露天礦卡車調度系統的研究,建立了露天礦卡車實時調度系統的優化模型,並藉助于遺傳演算法自身的優點,給出了應用遺傳演算法解算該優化模型的編碼方法,設置了相應的遺傳運算元。並用matlab編程語言開發了露天礦卡車實時調度系統,該系統具有操作簡單和功能較完善等優點,為露天礦的生產決策提供了強大的支持。
  4. The qualitative study and quantitative simulation has resolved the " seven analysis " that are qualitative analysis ( characteristic analysis of static geologic elements ), boundary analysis ( of oil and gas distribution ), time analysis ( of pool - forming ), direction analysis ( of migration of oil and gas ), quantitative analysis ( of migration and accumulation scale of oil and gas ), location analysis ( of petroleum province ), and zone analysis ( of oil and gas accumulation )

    含油氣系統定性研究和盆地模擬定量過程模擬及其相互關系研究解決了「七定」問題,即「定性」 (靜態地質要素的特徵描述) 、 「定界」 (油氣分佈邊界) 、 「定時」 (油氣成藏形成時間) 、 「定向」 (油氣運移方向) 、 「定量」 (油氣運移聚集規模) 、 「定位」 (油氣聚集區)和「定帶」 (有利區帶預測)問題。
  5. As the results, more and more serious requirements were raised to the nuclear data acquisition and control system. in order to meet these requirements and to support the advanced study of the interaction between clusters and materials, a key project supported by china national science foundation, we have done the study of the data acquisition and control system for the clusters characteristic in detail, and employed single - chip microcomputers and pc computers to compose a large scale data acquisition and control system. the composition mode of this kind of system and the distribution of tasks, the acquisition and control circuit units based on single - chip microcomputers, the real - time communication methods and the software composition under the windows 98 were also discussed in detail

    針對這一問題並為了保證國家自然科學基金重點項目「荷能離子團簇與介質的相互作用」等前沿研究課題的進行,本論文對團簇研究中的數據獲取和調控問題進行了詳細研究,提出了以pc微機和集群式單片微機為主構成的團簇特性研究用分散式多通道數據獲取和調控系統的方法;詳細討論了這種系統的最佳組成模式、任務分配、單片微機數據采控單元、系統內實時通訊網的建立和windows環境下系統軟體的編寫等硬軟體問題。
  6. Based on the basic principle of wavelet analysis, multi - resolution analysis of signal in atomic clock is made. the coefficients of wavelet transform for synthesis atomic time, which are weighed and averaged at different wavelet scales, are obtained. then according to reconstruction theorem, multi - resolution synthesis time scale can be reconstructed. since the signal of atomic clock has been analysed by multi - resolution, we can use wavelet variance at different scales to weight and average the coefficients. thus either the difference in stability of different clock or the varying characteristic of the same clock at the different scale are all considered. finaly, this method is checked by the measured data from national timing serve center of shaanxi astronomy observatory. it confirmed that this technique, which is simple and practicable, is a new method of multi - resolution. from this method, the common characteristic of different clocks can be extracted. the stability of multi - resolution synthesis atomic time scale is obviously superior to that of other methods

    本文根據小波分析的基本原理,對原子鐘信號進行多解析度分解,將分解后的小波變換系數進行加權平均,得到不同小波尺度綜合原子時的加權平均小波變換系數,然後由小波變換的重構條件,反演綜合時間尺度.由於對原子鐘信號進行了小波分解,利用不同尺度的小波變換系數的小波方差進行加權平均,這樣既考慮不同原子鐘在穩定性方面的差異,又顧及同一臺原子鐘在不同小波尺度的變化特性.最後根據陜西天文臺國家授時中心的實測數據對這種方法進行了檢驗.表明這是一種全新的多解析度綜合方法,這種方法比較簡單而切實可行,它能提取各個原子鐘的共同特性,多解析度綜合時間尺度的平穩性明顯優于其他方法
  7. In this paper. flow properties of multistage fluidized - bed bioreactor with external circulation at a pilot scale is studied. according to characteristic analysis, the model of completely mixing reactor in series is introduced to characterize real reactor as a theoretical model. on the basis of analog computing analysis and discussion of theoretical model. by means of pulse tracer method, experiments on residence time distribution ( rtd ) have been done in different conditions including the change of tracer level, feeding flow rate and circulation flow rate. the result shows when the ratio of circulation flow rate and feeding flow rate amounts to at least 4, the flow properties of multistage fluidized - bed bioreactor with external circulation at a pilot scale is very close to the model of completely mixing reactor in series. an amendatory model has been established by the regression method

    作者首先在對反應器進行特徵分析的基礎上,建立了描述中試規模多級外循環流化床生物反應器流動特性的串級全混流模型,並對理論模型進行了模擬計算分析和討論,在此基礎上,作者分別在無循環和有循環(改變示蹤劑用量、流加流量和循環流量)的條件下,利用脈沖示蹤法對一到五級串聯外循環流化床反應器進行了停留時間分佈實驗,結果表明,在循環流量與流加流量的比值達到大於等於4時,中試規模多級外循環流化床反應器的流動特性接近串級全混流模型,通過數據回歸擬合的方法,建立了中試規模一到五級串聯外循環流化床反應器的流動模型。
  8. Fourier transform method use high order frequency to analyse and imitate nonlinear and non - stationary data. emd method based on local characteristic time scale of the data is more fit to analyse nonlinear and non - stationary data than fourier transform method

    Emd基於信號的局部時間特徵尺度分析原信號,克服了傅里葉變換用高次諧波頻率分量擬合非線性、非平穩信號的缺點。
  9. The dynamic characteristic of large - scale aqueduct is analyzed under four cases ( aqueduct without water, aqueduct with water in three troughs, aqueduct with water in the middle trough, aqueduct with water in side troughs ), and the results can be applied to seismic - resistance design of large - sc ale aqueduct. the earthquake time history response of large - scale aqueduct is studied under four cases when the el - centro earthquake wave is inputted. in the paper, base isolation technology is applied to avoid the destroy arising from the bigger stress in aqueduct

    本文分4種工況(槽內無水、中槽過水、邊槽過水和三槽都過水)對該大型渡槽結構的動態特性進行分析,所得結果可為大型渡槽結構抗震設計提供依據;並在el - centro地震波激振下進行渡槽結構在這四種工況下的地震動力時程分析,計算給出了大型渡槽結構的地震反應規律;為了避免較大應力的出現對渡槽結構造成破壞,本文採取隔震措施來減小該結構的動力反應,並分析其隔震效果,提供設計參數,為工程設計提供依據。
  10. Adopt at present most advanced large - scale super sap finite element structure analyse procedure to go on numerical value calculation for model of drilling rod, drilling rod whole stress simulation of state that receive show and reflect drilling rod various kinds of stresses under different working states distribute the characteristic clearly, make stress state of drilling rod reach visual, make people able to understand informations of drilling rod of stress status in depth too at the same time, so that the design of the improvement drilling rod constantly is in order to meet the demands of actual project

    採用當前最先進的大型supersap有限元結構分析程序對鉆桿的模型進行了數值計算,得到的鉆桿整體應力狀態的模擬顯示清楚地反映了鉆桿在不同工作狀態下的各種應力分佈特徵,同時也使鉆桿的應力狀態達到了可視化,使人們可以深入了解鉆桿應力狀態信息,以便不斷的改進鉆桿的設計以滿足實際工程的需要。
  11. At the same time, we also should realize that chinese real estate market is immature and it does n ' t match to the real estate characteristic of scale - intensive and capital - intensive. capital has become the leading factor for the real estate enterprises to limit their development in the competition. chinese real estate enterprises have come into the times of the capital competition

    同時也應該認識到,我國房地產行業雖然經過了近20年的不斷發展,但從整體上看我國房地產市場仍然不是一個成熟市場,產業集中度非常低,房地產企業持續開發和規模化運作的能力較弱,總體呈現出「小作坊」的特點,這與房地產規模型、資金密集型的行業特徵不相適應。
  12. The technical system evolves over time, which process parallels the micro - evolution of biological systems and illustrates the life cycle stages of child, growth, maturity and decline. what evolves is the characteristic index of the technical systems whose improvement is shown by a s - curve on the time - scale

    技術系統處于不斷的進化過程中,其進化過程類似於生物的成長過程,要經歷嬰兒期、成長期、成熟期和退出期四個階段,在時域上表現為特性參數沿s -曲線的增長。
  13. Land contractual management right is circulated from scratch at the present stage, demonstrate : the ones that participated in the subject are multi - level, the variety of the land contractual management right circulation way, scale related to the extention of the trade, circulation time limit are expanding constantly, the characteristic of permeating and expanding each other etc. has existed in the area where the pace is being accelerated and circulated constantly

    而土地承包經營權流轉是土地問題中非常重要的一個環節,現階段土地承包經營權流轉從無到有,呈現出:參與主體的多層次性、土地承包經營權流轉方式的多樣性、涉及行業的廣泛性、流轉期限長短的不等性、流轉的規模不斷擴大、速度不斷加快和流轉的區域存在著相互滲透與擴張等特點。
  14. In chapter 2, a new ir imaging model for city buildings has been established based on meteorology, heat transfer and infrared physics. we first analysis all kinds of main factors affecting the ir characteristic of city buildings, then by using the methods such as multi - layer finite difference the surface temperatures of building and other surrounding objects are acquired. combining the methods of classified modeling and special modeling we constitute the large - scale complex urban ir scene and render the ir images of urban scene at various time

    本文第二章從氣象學、傳熱學和紅外物理學原理出發,分析了影響城市建築物紅外特性的各種主要因素,採用多層有限差分等方法求解建築物及周圍物體的表面溫度,建立了城市建築物紅外成像模型;採用分類建模和特殊建模相結合的方法構建了大規模復雜城市場景的紅外模型,繪制出了不同時刻城市復雜場景紅外成像圖。
  15. The innovation of this article lies in : l ) it indicates that china has the special requirements to perform the strategic trade policy, such as industrial basis, market structure, great - nation characteristic, etc. 2 ) it points out china should make fully use of external scale economies. 3 ) it ' s high time to take strategic protection to our industries based on complete understanding of relative terms of wto

    本文的創新之處在於: 1 、指出中國具備實施戰略性貿易政策的特殊條件:產業基礎、市場結構、大國特性等; 2 、提出中國的貿易政策應以戰略性貿易政策為基點,充分利用外部規模經濟優勢; 3 、認為採取的政策措施一定要在完全理解wto有關條款的基礎上,靈活、有效、合理、合規的對本國產業實施戰略性保護。
  16. Magnetizing inrush current has obvious singularity, and wavelet transform has multi - scale and good time - frequency local characteristic, that it is particularly well adapted to extract the characteristic of signal ' s edge and peak value, and can check up the singularity well

    變壓器勵磁涌流具有明顯的奇異性,小波變換具有多尺度分析和良好時頻域局部化特性,適合提取信號邊緣和峰值突變的特徵,能夠很好的檢測信號奇異性。
  17. In order to diagnose complex system, because there exists too many characteristic parameters, the problems, such as over - large scale of neural network, unduly long train time, and redundant rules in expert system ' s rule base, will result in the reduction of whole system ' s practical performance. then the rough set theory that received focus attention in recent years is led into the internal - combustion engine fault diagnosis work. the application of this theory in the attributable optimization of fault diagnosis characteristic parameters is explored

    考慮到在對復雜系統進行診斷時,由於特徵參數過多而造成神經網路規模過大、訓練時間過長以及專家系統規則庫存在規則冗餘等問題,最終導致整個系統實用性能的降低,為此將粗糙集理論引入了內燃機故障診斷工作,對其在故障診斷特徵參數屬性優化中的運用進行了探索。
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