時間擴展 的英文怎麼說

中文拼音 [shíjiānkuòzhǎn]
時間擴展 英文
time dilation
  • : 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...
  • : 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...
  • : 動詞(擴大) expand; enlarge; extend
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  1. In this section, applying the method, from abstract to specific and from history to present, it analyzes the operation mechanism of urbanization economy affected by market mechanism ; puts forward four theories of urbanization economy from economic perspective, including agriculture surplus and comparison advantage ; non - agricultural industry ; agglomeration economy and spillover effect, on this basis of the theories, it, on one hand, analyzes two kinds of internal mechanism in the chronologic operation of urbanization economies : increasing mechanism of urbanization economies in urban output industry ; and changing mechanism from specialization to integration, which are the representations of the evolution of " mart " development ; on the other hand, it analyzes two internal mechanism of dimensional operation of urbanization economy : internal spatial enlargement mechanism of urbanization economies from monocentric city to multi - center city, and external spatial enhancement mechanism which represents city - regionalization and city - chain connection, the later two mechanism represent the evolution of " polis " development

    這一部分,按照由抽象到具體和由歷史到現代的研究方法,分析了市場機製作用下的城市化經濟運行機理,從經濟學角度提出了農業剩餘與比較優勢、非農產業、聚集經濟、外溢效應四大城市化經濟定理;在此基礎上,一方面分析了城市化經濟運行沿增長的兩個內在內容提要機制:城市輸出產業的城市化經濟增長機制和從專業化到綜合化的城市性質變遷機制,它們主要表現為「市」發的延續;另一方面分析了城市化經濟運行沿空增長的兩個內在機制:從單中心到多中心的城市化經濟運行的內部空機理和表現為城市區域化、城市連綿體的城市化經濟運行的外部空機理,它們主要表現為「城」發的延續。
  2. Both input and output of the networks are cither procedures or functions. procedure - type ' s inputs to networks relax synchronization instantaneous limit on inputs in the traditional neural network models

    過程式輸入放寬了傳統神經元網路模型對輸入的同步瞬限制,是傳統神經元網路在域上的,是更一般化的人工神經元網路模型。
  3. Diversity receiving technique for synchronous time spreading signal in time - varying fading channels

    變衰落通道中同步時間擴展信號的分集接收技術
  4. The research consists of several aspects as follows : the characteristics of uwac is analyzed, including the multi - path effect, the doppler shift effect, etc. then the mathematics " model of uwac is given

    研究內容主要包括以下幾個方面: ?分析了多途時間擴展、多普勒頻率等水聲通道的物理特性及水聲通道的數學模型。
  5. The optical channel models for airborne submarine laser communication are built. the multipath time spreading of signal pulse is studied. the waveform of received signals in receiver in submarine laser communication system is analyzed and simulated

    通過蒙特卡羅方法的模擬研究,建立了機載激光對潛通信的光脈沖傳輸模型,研究了信號光脈沖的時間擴展,分析並模擬了接收面上的接收波形。
  6. Two approaches to improve the robustness of the detector, each based on a different theirs distortion mechanism. one is based on the modeling as fast fading distortion ( ffd ) whose optimum detector is the segmented replica correlator ( src ). the second approach is replica correlation integration ( rci ) for time spreading channel ( tsd )

    從頻率通道( fastfadingdistortion , ffd )和時間擴展通道( timespreadingdistortion , tsd )的形成機理出發建立了目標回波的數學模型,指出ffd和tsd的最佳檢測器分別為分段副本相關器( src )和副本相關積分器( rci ) 。
  7. The interpolate technology just like a " ruler ", the resolving power of the " ruler " affect that the sampling points are arrayed correctly on time axis, and is determined by the multiple of the double slope integral amplifier. so it is core in the whole project. the project apply the complicated program logical device ( cpld )

    內插技術的應用使得隨機采樣理論能夠得以實現,內插技術相當于測量用的「尺子」 , 「尺子」最小分辨能力決定了最後采樣點重新在軸上位置排列的真實可靠程度,這里尺子的最小分辨能力是由雙斜率積分時間擴展器放大倍數決定的,所以說該模擬充放電放大電路在整個方案中是個很關鍵的部分。
  8. It also provides several intuitionistic ways in the post - procession. last we give some engineering examples of fem to show the up to date advancement of cae programs, and also give the directions to the application of fem in practical work. this paper includes two parts of work - the construction of some new hybrid stress elements " functions, and the practical application of fem

    從而證明,利用程序化的方法將自編雜交元應用程序集成到商業大型有限元軟體包中是可行的,也是必要的,這不但提供了良好的用戶界面,而且可以極大簡化有限元建模期的工作,並可以利用多種直觀的方式顯示計算結果,節省了軟體開發了軟體的適用范圍。
  9. In this dissertation, multiuser detection and space - time processing are combined to suppress multiple access interferences and inter - symbol interferences ( isi ) jointly in multipah fading channels with large delay spread

    本文組合多用戶檢測和空處理技術,在大的多徑衰落通道條件下,研究多址干擾和符號串擾的聯合抑制。
  10. The numerical results show that the flow - field structures and main features of the compressible mixing layer including the distribution of mean velocity, turbulent fluctuation intensities, reynolds stress and growth rates agree well with experimental and other numerical results

    計算出的流場結構和主要的流動特徵包括平均速度、湍流脈動強度和雷諾應力的分佈以及混合層張率都同實驗測量和其他數值模擬結果符合得很好。
  11. The special theory of relativity lie in the following aspects : the first is that the space - time and the matter is n ' t divided ; with the space - time movement, the matter states of movement is changed ; the second is that it is consistent between time and space ; the third is there being internal and essential contact between time and space, namely, the space being enlarge from the three - dimensional to the four - dimensional

    它從根本上否定了牛頓的絕對空觀,它指出、空與物質不可分割,隨物質運動狀態而改變,並揭示了與空的統一性,證明空存在著內在的、本質的聯系,即把通常情況下的三維空到四維空。
  12. This paper takes the formation and evolution of zhongyuan urban agglomeration as research object, adopts the research methods of quantity, sets out from history angle, analyzes the evolution of transport network and transportation linkage of zhongyuan urban agglomeration area, and analyzes these effect in the process of the formation and evolution of zhongyuan urban agglomeration, and analyzes effect of transport network on enactment of development strategy of zhongyuan urban agglomeration area, aiming at offer help for faster development of zhongyuan urban agglomeration area

    本文以中原城市群形成演化為實證研究對象,對建國以來中原城市群地區交通線網的、交通運輸聯系通過從定量的角度、按照的過程進行分析,探討了交通線網的、交通運輸聯系在城市群形成過程中的影響作用,並對交通線路對城市群空戰略制定的影響作用進行了分析,以期為中原城市群快速發提供有益啟示,促進中原崛起,以響應國家實施中部崛起的重大戰略。
  13. According to the time order of development and the evolving views, the paper analyses the changing process of residential space in the metropolis from the ordinary structure to expand toward suburban area, and compares the practice of the domestic and foreign residential space expanding

    論文按發序系統、從演進論的角度回顧了中外大城市居住空演變歷程,並對兩者進行分析比較。對居住空的相關理論進行系統歸納總結,並建構了居住空的理論體系。
  14. In wireless digital transmissions, due to the delay dispersion of the transmitted symbols and the limitation of channel bandwidth, the channel may induce inter - symbol interference ( isi ), which results the frequency selective fading

    在無線數字傳輸中,由於和通道帶寬限制,引起碼串擾,產生頻率選擇性衰落。
  15. The effects, caused by rms delay spread estimation, on choosing the right guard interval length is also discussed. simulation results are given as well

    分析了rms估計誤差對于保護隔長度選定的影響,並給出模擬結果。
  16. Nowadays, with the rapid development of cities and industries, human activities take on the characteristics of expansibility and instantaneousness, which produce much information data correspondently. the former information treatment methods in the field of soil, engineering ca n ' t meet the users " demand on exactness and alternation. so the visual evaluation of liquefaction information system becomes the urgent task in soil engineering

    當今,隨著城市化和工業化的加快,人類活動呈現出空性和性的特點,相應產生了大量的信息數據,原有的巖土工程信息處理方法已不能完全滿足用戶對信息的準確、直觀、迅速、可交互等多樣性需求,因此地震砂土液化的可視化評價信息系統是巖土工程界迫切需要解決的課題。
  17. Solar radiation models of different temporal and spatial scales were established by using ground observed data from meteorological stations. a series of distributed models were developed based on principles of direct and diffuse radiation on tilted surfaces and integrated with gis software. using dem data of chongqing, the distributions of direct and diffuse radiation over rugged terrains were simulated

    本文利用重慶及其周邊地區的日射站和常規氣象站水平面觀測資料,建立不同空尺度的太陽輻射估算模型;依據坡地直接輻射和散射輻射機理,以地理信息系統為數據處理平臺,建立起伏地形下太陽輻射分散式估算模型;根據重慶1 : 25萬dem數據,對重慶實際復雜地形下太陽直接輻射和散射輻射進行了數值模擬,為起伏地形下輻射估算及其他地表氣象要素的空提供有益的嘗試。
  18. Because using ofdm, a frequency - selective fading channel can be transformed into multiple frequency - flat fading sub - channels, in the coding process, spatial diversity ( due to multiple antennas ) is integrated with frequency diversity ( due to delay spread ), therefore, the proposed code can provide higher diversity gain than space - time code alone

    該編碼利用正交頻分復用把頻率選擇性衰落通道變換成平衰落通道的特性,同引入了基於多天線的空分集和基於的頻率分集,比空編碼具有更高的分集增益。
  19. After a season of darkness and struggling, light broke and relief fell : my cramped existence all at once spread out to a plain without bounds - my powers heard a call from heaven to rise, gather their full strength, spread their wings, and mount beyond ken

    經過一段黑暗和掙扎的期,光明到來,寬慰降臨。我那原先狹窄的生活,突然到一望無垠的平原一我的能力聽到了上天的召喚,起來,全力以赴,張開翅膀,任意飛翔。
  20. But the performance of the mimo system has deep relation with the properties of the multi - path signal in that environment, particularly affected by the correlation, the time spread and the azimuth spread of each path. therefore, in order to achieve potential huge capacity of the channel, gain prospective performance, choose appropriate system configurations and design excellent algorithms for signal processing, it is very important to realize and master the characteristics of channel in the indoor and the outdoor environment

    而多入多出系統的性能,在很大程度上跟所處環境的多徑信號性質有關,特別與各條路徑之的相關度、和角度有很大的關系,因此,了解和掌握戶內和戶外環境中無線多入多出通道的特徵,對實現潛在的巨大通道容量、取得預期的性能、選擇合適的系統結構和設計優良的信號處理演算法至關重要。
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