空間不變系統 的英文怎麼說

中文拼音 [kōngjiānbiàntǒng]
空間不變系統 英文
spatial invariant system
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : 名詞[書面語] (剁物所用的木墩) a block of wood
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 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 ...
  • 空間 : space; enclosure; room; blank; interspace
  • 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
  1. And it can be divided into four phases of urban tourism of china, in which there are different characteristics. ( 2 ) the evolutive rules of urban tourism of china are as follows : 1 ) the exoteric extent of tourism notion is more and more swell ; 2 ) the form of urban tourism renovate with the development of cities ; 3 ) the layout of urban tourism inner and outer is from close and complanate to exoteric and tridimensional ; 4 ) the sustaining system of urban tourism is from absent to as clear as a bell, and will reach a rational and advanced extent. 5 ) the social delamination of urban tourism is form stern to syncretic ; 6 ) the evolvement tendency of urban tourism should be generalized as a curve of accumbent " s ", which present a course makes up of low - grade development, high - speed development and balanced development

    主要觀點歸納如下: ( 1 )城市旅遊是基於城市的發展而發展的,中國城市旅遊可分為古代、近代、現代和后現代四個階段,分別對應於前工業文明時期的城市旅遊、工業文明萌芽時期的城市旅遊、全面建設工業文明和后工業文明因素初露端倪時期的城市旅遊,以及邁向信息時代的城市旅遊,其體現出同的城市旅遊發展特徵; ( 2 )經歷同發展的時期,中國城市旅遊表現出如下的演進規律: 1 )城市旅遊觀念開放程度逐漸增強,對城市旅遊的容納度日趨加大,對城市旅遊地位的認識從忽視到關注再成為生活的必要因素; 2 )旅遊形式從單一走向多元,新的旅遊形式隨城市發展層出窮; 3 )城市旅遊的內外部從封閉平面走向開放立體,達到網路化、連綿化、分區化、立體化布局; 4 )城市旅遊支持從缺失走向健全,達到理性高端; 5 )城市旅遊社會分層從森嚴走向融合,經歷了「小眾旅遊」 、 「大眾旅遊」 ,最終發展到「全民旅遊」 ; 6 )城市旅遊產業演態勢可以概括為一條橫臥的「 s 」曲線,表現為低開?高走?平穩發展。
  2. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後,對巖土工程領域至今尚未解決,甚至為人注意的考慮地基形的地基承載力問題進行了實用化的探討,提出了考慮地基形的地基承載力上程計算方法;對基於彈塑性理論分析的地基承載力國內尚未見報道的問題得到了圓形基礎(問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平面問題)的界限荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作,本文以截頭錐模型模擬地基,對地基(巖基)承載力的動測法進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論;本文作者根據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載,該加載具有實用、簡便、穩定及安個等優點。
  3. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行分析和計算,為更好地描述製冷運行的全過程奠定基礎,同時也為製冷實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數化的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算同邊界條件和初始條件下的製冷劑熱力參數、氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。
  4. Based on field research and the dynamic analysis of remote sensing data of different time ( 1987 tm, 1996 tm and 2000 china - brazil earth resource satellite ccd ), using multi - information of research area ( including data of geology, geography, hydrology, meteorology, economy, human culture and dem ) and existing research results, the dissertation discusses drive factors of desertification and the relationships between drive factors and desertification with the help of gis tool and some mathematical methods such as probability, statistics, curvilinear estimation, logical analysis and analytic hierarchy process

    論文在對研究區土地荒漠化現狀野外調研和同時相( 1987tm 、 1996tm和2000ccd )遙感圖像土地荒漠化信息提取和演分析的基礎上,結合研究區已有的多元信息基礎資料及研究成果(包括地質、地理、多時期的水文氣象、經濟、人文以及dem數據等) ,運用gis強大的分析功能和概率計、曲線估計、邏輯分析、主成分分析、層次分析等數學方法綜合研究了土地荒漠化與各驅動因子之的相關關,揭示了研究區土地荒漠化的主要驅動因素,探討了荒漠化動態演化規律。
  5. Virtual reality technology can provide " participants " with a feeling of being personally on the scene. as a main actor in the virtual environment, userscan control any objects in the virtual environment arbitrarily and can get reaction in time. in the hyperspace of the information, he can get acknowledge with their own percipience and cognition, and, seek the solutin, and form the new conception. the association of the virtual reality technology and java technology intensify the interaction between the users and viryual reality technology. with the interface provided by java, the user can control any objecs and change the attributes ( such as position, angle, color and etc. ). this paper formulizes application of the virtual reality technology in the system of the building seilling which uses the real three dimensions models to replace of static picture ' s and word ' s description. in the process of the practice, the paper analyses the difference between javascript, java claa and java applet, and formulize the their applications in this system

    用戶在多維信息中,依靠自己的感知和認知能力全方位地獲取知識,發揮主觀能動性,尋求解答,形成新的概念。虛擬現實技術與java技術的結合增加了虛擬現實技術與用戶的交互功能,用戶可以通過java提供的界面,操縱場景中的任何物體,並改相應的屬性(如:位置,角度,顏色等等) 。本篇論文闡述了虛擬現實技術應用在售樓中,用真實的三維模型來代替原有的靜態圖片及文字描述,在實踐過程中,分析了javascript , java類,及javaapplet實現功能中的利弊,分別闡述了它們在本中的應用,從理論上講,本課題所研究的虛擬現實技術只適用於售樓的電子商務中,同樣可用於軍事和演習、醫學、教育、娛樂和工程設計等領域。
  6. Viewing from the global tectonics, the authors dynamically described the dialectical relationships between extensions and compressions in time special 4 - d, and pointed out the different tectonic deformation systems corresponding to different tectonic dynamical environments. considering the geological evolution of sichuan basin, from nine aspects, the authors proved that the tectonic dynamical environments of sichuan basin, after its formation, has experienced the early extension, middle transition and late compression environments. correspondingly, as the paper suggests, a considerable attention need to be paid to the comprehensive studies of the early extensional structures, middle inversion structures and the late compression structures of sichuan basin when analyzing its tectonics

    從全球構造著眼,動態地從時-四維闡述了拉張-擠壓構造動力學環境的辯證關,指出了同構造動力學環境對應于同的構造。結合四川盆地地質演化歷程,從9個方面論證了四川盆地自其形成以來,構造動力學環境曾經歷了早期拉張中期過渡晚期擠壓的過程,相應地在對四川盆地進行構造分析時,要注意早期伸展構造中期反轉構造晚期擠壓構造的識別和綜合研究。
  7. The attainment proves that the method is prompter than the conventional ones and reduces the amount of work greatly. moreover, when the db is connected with regional information system of transfered, it is possible to study the changing characterises or regional land use through quantity change, furthemore, to find out the decipline and the dynamic changes of spatial distribution of type of land use through land use maps

    結果表明與傳調查方法相比速度快,工作量大大減少,且把數據庫與區域信息連接或被調用,僅可以通過數值的化,研究區域土地利用狀況的化特徵,還可以從圖形上體現出土地利用類型的分佈規律,以及分佈的動態化情況。
  8. Because the air - borne imaging system is required a far acting distance and the focal length of its optical system is long. influenced by the unsteady or moving platform mounted on plane, the change between the frames of image sequence is more. problems of image fuzziness and instability tend to be striking out, which becomes a bottleneck restricting the air - borne reconnaissance, collimation, evaluating beat effect

    機載光電成像,由於要求作用距離遠,故其光學焦距長,受其載體姿態化和振動的影響,圖像序列幀化過大,造成觀察者覺得模糊、穩定,己成為制約中偵察、瞄準、打擊效果評估等功能的瓶頸。
  9. Main conclusions drawn from the analyses of calculating results are as follows : ( 1 ) the microwave absorption of atmosphere gas have obvious attenuation at the wavelengths for cloud detection, thereinto, the water attenuation effect changes greatly, so the 94ghz cloud detecting radar should have water vapor attenuation correction scheme. ( 2 ) when 37ghz and 94ghz radars detect clouds, the difference between the atmosphere and cloud attenuation and the large variety of radar reflectivity conduce the intension of the radar backscatter signals change. ( 3 ) for the thin cloud layer and low water content of cloud, 37 - ghz radar backscatter signals are not as good as 94 - ghz radar, that is to say that the 94ghz radar has better capability in thin clouds detection

    本工作得出如下結論: ( 1 )大氣氣體的微波吸收在測雲波段產生明顯的衰減,其中水汽衰減效應化很大;即將上天的94ghz測雲雷達必須有水汽衰減訂正方案; ( 2 ) 37ghz和94ghz雷達測雲,由於大氣和雲衰減同和雷達反射率的很大差異,導致雷達回波信號強弱同; ( 3 )對雲層較薄、含水量較少的雲,在計雷達參數的情況下, 37ghz雷達回波信號如94ghz測雲雷達,也就是說94ghz對薄雲有更強的探測能力;對雲層較厚、含水量大的雲,由於強衰減的作用, 94ghz雷達回波信號小於37ghz雷達; ( 4 )從大氣衰減的利因素方面考慮,94ghz雷達測高層薄雲的效果最好;測低層薄雲時需要考慮氣體衰減訂正;因濃厚雲的強衰減作用,探測其中下部的能力大大減弱,僅要進行衰減訂正,而且要藉助其他信息來反演整個雲層的含水量垂直分佈; ( 5 )為了獲得從極薄到極濃厚雲的垂直分佈探測能力,未來測雲雷達最好採用雙波長甚至三波長(如94 、 37和13ghz ) 。
  10. For this reason, any study focusing on the social and cultural aspects of western sichuan province in the past 100 years should not neglect the role of teahouses. moreover, rather than equating teahouses as dining places, we should view them as public spaces for public lives, making out their relationship to and deviation from traditional public spaces such as ancestral halls, temples, guild hall, secret society such as paoge. what happens in teahouse belongs to the category of what habermas terms " associating activities "

    研究川西地方社會和文化百年來的進程,茶館是無論如何能被忽視的;能忽視,而且還要突破以往把川西茶館拘囿於民俗和飲食文化研究的窠臼,將其納入地方公共生活和公共的范疇,由此發現川西茶館與傳公共如宗祠、寺廟、會館以及袍哥組織的聯,釐清其的繼承和異關
  11. The super resolution effect of sb layer super resolution structure is also investigated with near - field scanning optical microscope. in addition, a rigorous three - dimensional ( 3d ) optical electromagnetic finite - difference time - domain ( fdtd ) model for analysis of a sil system is detailed. in order to accurately analyse sil model, a new method of setting a focused gaussian beam source in fdtd grids is presented

    此外,本文還建立了對sil光傳輸特性進行模擬的時域有限差分程序,提出一種在fdtd模擬的離散設置會聚高斯光源的新方法,並模擬了會聚高斯光束在sil中的傳輸,研究了sil在同離焦情況下底面出射光場幅度及光束半徑的化規律,為sil存儲的優化設計提供了理論依據。
  12. Different equations to corresponding components are presented by analysing and transformating the general equations of fluid routes, then static characteristics mathematical model of liquid propellant space propulsion system is presented. based on the data of static characteristics calculation, mass model of thruster, propellant, propellant tank, gas, gas bottle, pipe and valve is presented using both the method of statistical regression and the method of stress analysis, then corresponding mass model is presented. based on the characteristics of liquid propellant space propulsion systems, analyse the five phases ( concept and definition, design and improvement, manufactureing and arrangement, operation and ma intenance, disposal ) in which life cycle cost of liquid propellant space propulsion systems is cost separately, then discompsed structure of life cycle cost and model of life cycle cost are presented

    將組件分成氣路組件和液路組件,再對氣路組件和液路組件進行相應的分類,然後通過對通用流路方程進行分析和換對同類型的組件分別建立同的方程,從而建立了一個適用於液體推進劑推進的靜態數學模型;根據靜態計算所得到的數據,應用計回歸法和應力分析法分別建立推力室、推進劑、推進劑貯箱、氣體、氣瓶以及導管和活門等的質量模型,從而建立相應的質量模型;結合液體推進劑推進特點,對液體推進劑推進全壽命周期費用發生的五個階段(概念和定義、設計和改進、製造和安裝、運行和維修、處理)分別進行分析,建立了液體推進劑推進全壽命周期費用分解結構和全壽命周期費用模型。
  13. In order to grasp the urban system processes and evolution pattern of hunan province comprehensively, this article has made further discussion on its structure characteristic : through regression analysis, graph analysis and statistics analysis of the time series data and cross sections data, by combining with the fractal theory, we induce the following conclusion : the hierarchical size structure presents the law of the primate city, the rank - size rule and pyramid structure characteristic, but it also has the insufficient development problem of the high hierarchical size city. by using the gravitation model, we found out that the economy relation intensity among those main cities is weak while the structure is loose. based on the urban layer system of economic development level and industrial structure evolution of the cities in hunan province, this article then induces the function combination among the five urban agglomerations in hunan province

    為全面把握湖南城市體的運演規律,本文對其結構特徵作了進一步的探討:通過時序數據和截面數據的回歸分析、圖表分析和計分析,結合分形理論,得出了其等級規模結構分佈呈現出首位分佈、位序?規模分佈和金字塔結構特徵,以及存在著高層次城市發展足的問題;運用場引力模型發現該省主要城市的經濟聯強度較弱、結構鬆散,在歸納出該省城市經濟發展水平的層次體、產業結構演的基礎上,導出了該省城市體的五大城市群職能組合;結合結構體、路網交通條件和經濟發展狀況,對該省城市分佈狀態進行了定性分析,研究表明該省總體上處于極化階段,各個具體區域,分佈階段一,差異較大。
  14. ( 3 ) modeling of the asymmetrical half bridge converter in the thesis, a small average circuit model of asymmetrical half bridge converter power stage is established by method of state space averaging. in term of it, a system model of total converter is founded. the characteristic of stabilization and dynamic is analysed and the compensator is designed basing of it

    ( 3 )對稱半橋dc dc換器的建模分析採用狀態平均法建立了對稱半橋換器功率級的小信號平均電路模型,在此基礎上建立整個換器模型,對的動態特性和穩定性進行了分析並設計了補償器。
  15. Power supply system made up of some parallel operating inverters can meet the needs of different load magnitudes and achieve higher quality and reliability of power supply. it is propitious to the standardization and large scale manufacturing of the inverter modules. at the same time, with the growing usage of appliances powered by special suppliers, the market needs is developing enormously

    由多個模塊化的逆電源並聯運行構建的電源,可以滿足同的負載功率需求以及較高的供電質量和可靠性要求,並且有利於逆電源模塊生產的標準化、規模化;同時,隨著使用特種電源供電的裝備日趨增多,市場斷增大,逆電源並聯控制技術的研究具有廣泛的經濟前景和社會效益。
  16. When awg regarded as space unchanged linear system, an analytical solution of out - waveguide field is obtained by using the impulse response function. the crosstalk transformation on account of apertometer and waveguide spacing is also obtained by numerical calculation

    本文還將awg視為線性,使用點擴展函數的方法,求出awg輸出分佈的解析式,通過數值計算得到串擾與數值孔徑及其波導距的關
  17. By adopting the traditional way to rebuild the ventilation system is also an effective measure, but the results will not be significant. by changing the transposition of the stator bars in the generators to decrease their maximum temperature has been adopted by some power plants and good economic results have been obtained

    採用傳的改造發電機通風只是有效措施之一,但通常改造的大,在本文中提出改發電機定子線棒的換位方式以徹底降低線棒溫度,這種方式已被一些水電廠所採用,取得了良好的經濟效果。
  18. The real - space renormalization group approach is close to fractal and is widely used in geometric phase transition systems without hamilton, for example, percolation model, rock fracture model, flit ant model

    重整化群方法與分形有密切的關,在具有哈密頓的幾何相,如滲流,巖裂,自迴避無規行走等模型廣泛地被應用。
  19. The real - space ( or position - space ) renormalization group method is close to fractal and is widely used in geometric phase transition systems without hamilton, for example, seepage, lattice animal and random walk

    (位置)重整化群方法與分形有密切的關,在具有哈密頓的幾何相,如滲流,晶格動物,無規行走等廣泛地被應用。
  20. Especially the dotted like open space such as plaza, small greenbelt which are dispersed in interior space of each section is disposed diversely and overally through needing combining other interrelated element in urban space. on the base of establishing relationship among structural elements such as urban street, block, the integrated form of the dotted like open space at each lay on space structure is builded, and be given full scope of whole teamwork. in addition, in the process of studing on urban space structure, social effect and social meaning of exterior public space should be payed attention, the way of the layout of the organic integrating the open space in form of dot with intor structure of the urban should be searched for and the social effect of this space should be exerted actively. on the other side, as the city is a organism, it is a process of continuous succession, so it is necessary to integral the dotted like open space with the dynamic process of the evolvement of the city to make a useful control and intrudction of the development of the city

    對開放的開發與設計,是提高城市環境質量的重要環節,應將其放在城市整體中,給予全面的分析與研究;特別是諸如廣場、小型綠地等分散於各區段內部的「點」狀形態的開放,更需要結合城市中的其他相關要素,對其進行更加全面的多樣化配置;在建立與城市道路、區域等其它結構要素的關的基礎上,建構「點」狀開放在各層級結構上的整體形態,發揮「點」狀開放的整體協同作用;此外,在研究城市結構的過程中,注重該外部公共的社會效應和社會意義,探求「點」狀開放與城市內在結構有機結合的布局方法,發揮該場所積極的社會作用;再則,由於城市是一個有機體,其發展是一個斷生長演替的過程,所以需要將「點」狀開放的布局結合城市的動態過程,對城市發展進行有效的控制與引導。
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