時移求和 的英文怎麼說

中文拼音 [shíqiú]
時移求和 英文
time shift sum
  • : 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...
  • : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
  • : Ⅰ動詞1 (請求; 要求) ask; beg; request; entreat; beseech : 求人幫忙 ask sb a favour; ask a favou...
  • : 和動詞(在粉狀物中加液體攪拌或揉弄使有黏性) mix (powder) with water, etc. : 和點兒灰泥 prepare some plaster
  1. And the explicit finite difference method, the combining method of the central difference method and newmark s constant average acceleration method, and the transmitting boundary are used. by comparing the acceleration determined by the several methods of the displacements or velocities, a computing method of acceleration employed the one side difference of velocity is more practicality in this research. corresponding to normal incidence of the body waves, p waves or svwaves, and rayleigh surface waves, two two - dimensional finite difference programs are compiled to compu te the dynamic response of two - phase media

    以土力學模型為基礎,利用以土骨架孔隙流體的四個位為基本未知量的數值方法去模擬二維飽水介質中的地震波傳播,採用了顯式差分方法(中心差分法newmark常平均加速度法結合)透射邊界,通過比較利用幾種差分格式解的加速度結果,發現一種用速度單邊差分解加速度的方法在本文研究中較為實用,分別編制了體波( p波或sv波) 、 rayleigh面波輸入解兩相介質動力響應的兩個二維數值分析程序。
  2. Then, use the direct integral calculus method of newmark to solve solution, and get each node and element ' s displacement and stress solution vs. time

    然後,用newmark直接積分法進行解,得到各節點單元的位、應力的程解。
  3. Integrating tynman system with polarized system together, the laser interferometer is compatible for the surface with different reflectance. first, on the basis of synthesizing different interferometric microscope, the author introduced a kind of lase interferometer combining polarized interferometry and real - time phase detection algorithms. first, a kind of optical configuration is introduced, which is realized in the above interferometer

    本文在分析了國內外不同干涉顯微系統的基礎上,根據干涉顯微測量方面的需提出了採用偏振干涉條紋掃描方式實檢測波面位相的激光干涉顯微系統,提出了一種可用於表面微觀輪廓及粗糙度參數測量的光學顯微干涉系統的光路,然後介紹了條紋掃描波面位相實檢測技術以及四步相法,並在此基礎上完成了光學系統及相關的機械結構。
  4. Furthermore, the network technique only support the voice service cannot meet the communication requirements of people. people hope to obtain multimedia service such as packet data, video and picture phone etc besides voice service. all these need operators and researchers to look after the mobile communication scheme which optimizes spectrum efficiency and expands system capacity to accommodate more users in major metropolitan markets

    此外,僅支持語音業務的網路技術已不能滿足人們對信息交流的需,人們希望能隨隨地獲取除語音之外的數據、視頻圖像等多媒體業務,這些因素都促使運營商研究者尋頻譜利用率更高、通信容量更大的動通信解決方案。
  5. Finally, based on above, the essay purposes matching strategies for the harmonious development of urban and rural economy. the first is to shift agriculture labor. according to j. fei and g. ranis three - stage theory on employment shift process, china ' s economy is the one of labor surplus and, at the same time, which is not balanced with the different tendency of regional labor

    最後,在上述基礎上,對城鄉經濟協調發展提出了相應的對策: ( 1 )轉農業勞動力據費景漢拉尼斯就業轉換過程的三階段理論,我國屬于勞動剩餘經濟,同,發展不平衡、區域勞力供態勢不同。
  6. The equations of motion governing the axisymmetric elastic deformation of finite orthotropic cylindrical shells, involving the effect of transverse shear and rotational inertia, are derived. by applying the reverberation method, the displacement and the resultant forces of the shell in the phase space are expressed. then the transient waves in the finite orthotropic cylindrical shell subjected to the axisymmetric impact are obtained by using inverse laplace transforms. furthermore, the transient solutions are decomposed to the generalized ray integrals and computed numerically

    分析了計及剪切變形轉動慣性的有限長正交異性圓柱殼中彈性瞬態波的傳播問題,採用回傳矩陣法,在相空間中給出了位內力的表達式。再利用laplace逆變換,得到正交異性圓柱殼受軸對稱沖擊作用彈性瞬態波解,然後將其分解為若干廣義射線積分之,並用數值方法解之。
  7. By constructing the geometrical model of a certain underground single arm type pantograph and applying the translation of pantograph - head balancing bar and the perpendicular displacement of pantograph in the direction of the movement of locomotive while raising pantograph as the objective which must satisfy the demands of locomotive ' s stable current collection, this paper applied the multi - objective optimization based on the genetic algorithms to design the pantograph mechanism

    摘要在建立某地鐵單臂受電弓簡化幾何模型的基礎上,根據列車平穩受流對受電弓提出的各項要,以受電弓升弓機車前進方向上的縱向偏弓頭平衡桿的平動為目標,以受電弓正常升弓所需升弓轉矩等為約束,運用基於遺傳演算法的多目標優化技術,對該型受電弓機構進行了優化,得到了使受電弓運動性能達到最優的幾何參數。
  8. Nokia will build on its strong hlr capabilities and enhance its existing register solutions to cover all requirements for real - time subscriber datademanded by existing and new services in both mobile and converged networks

    諾基亞將建造其強大的hlr能力,並加強其現有的注冊的解決方案,通過在聚合網路的現有的新的服務來滿足實訂閱者的所有需
  9. Study shows that the basic principles of three existed methods for phase difference correction on discrete spectrum are identical, by which the twice fft analysis through time - domain shifting time series or changing window ' s length is performed, and the spectrum by making use of the phase difference of two corresponding peak lines are finally corrected

    在研究域平的離散頻譜相位差校正方法改變窗長離散頻譜相位差校正方法的基礎上,發現這幾種離散頻譜相位差校正法的基本原理是一致的,就是通過加不同的對稱窗進行兩次fft分析,並利用離散頻譜對應峰值譜線的相位差以得頻率相位校正量。
  10. For special example, the closed form solutions for complex potentials in matrix and inhmogeneity regions are derived explicitly when interface containing single crack or rigid line, and the appropriate expressions of the electro - elastic field intensity factors at the tip of crack or rigid line are examined

    作為特例,出了界面含一條裂紋或剛性線夾雜基體夾雜區域復勢的封閉形式解;同計算了界面裂紋剛性線尖端應力電位場強度因子。
  11. And pays emphasis on analyzing the system structure and system flow, the core techniques, the channel characteristic and parameters of dvb - t system. the system adopts some core techniques such as cofdm, a lot of tps ( transmission parameter signalling ) insert and guard interval, and so on. so it can withstand high - level ( up to odb ), long delay static and dynamic multipath distortion

    論文首先描述了數字電視地面廣播的需條件,技術難點目前存在的問題,並重點分析了dvb - t系統結構流程,核心技術及系統通道特性參數,該系統採用了cofdm (編碼正交頻分多路復用) ,大量導頻信號插入保護間隔技術等核心技術,使之能抵抗高電平( 0db ) ,長延的靜態動態多徑失真,有利於數字模擬電視的混合傳輸,它的多載波調制模式功能性能在便攜接收、同頻網等方面具有獨特的優勢。
  12. First thing is to use a suitable green " function, which is a essential solution of displacement field for the elastic half space with a half circular lining, which impacted by out - plane harmonic line source loading at horizontal surface

    解該問題的過程中,首先利用一個適合本問題的green函數,該函數為具有半圓環形襯砌的彈性半空間在其水平表面上任意一點承受間諧的出平面線源荷載作用場的解答。
  13. With the fast development of pstn and mobile telephone, a demand for image communication increases rapidly. meanwhile, the wide use of internet promotes the use of video mail, remote medical treatment, remote education and shopping through the net

    隨著公用電話網的普及以及蜂窩動通信的發展,人們對于可視電話的需與日俱增;同pc機internet的廣泛使用也進一步促進了視頻郵件、網上購物、遠程教育以及遠程醫療的應用。
  14. Reads request data from the client when not preloaded by using the specified buffer to read from, byte offset, and maximum bytes

    使用指定的要從中讀取數據的緩沖區、位元組偏最大位元組數從客戶端讀取請數據(當未預先加載) 。
  15. Using the finite element method ( fem ), the simulation and analysis on this construction process were carried on, and the different stress state of soil at different construction period was rendered. and the influence of different stress paths ( foundation excavation - unloading & excavation filling - reloading ) on the stress and the displacement was also reflected and researched. the law of non - linear constitutes of soil was presented in the simulation and analysis

    模擬分析再現了土體的非線性本構關系,得到了基坑開挖土體變形應力變化的一般規律;在基坑及上覆土體回填,通過分層填築的有限元模擬地基、涵洞、土體三者相互作用的有限元分析,得到施工結束太原理工大學碩士學位論文的位應力場,同得涵洞的結構內力。
  16. Based on the gathered data, especially displacement data, statistically analyzing and feed back according to various empirical methods, theoretical norm and fem computation are conducted so as to grasp the rules of deformation and stress of ground and structure, assess the stability of ground and structure as well as determine reasonable support time and parameters, ultimately achieve safety without compromised safety

    根據獲取的量測信息,尤其是位信息進行統計分析,依照各種經驗方法極限應變準則,以及有限元計算綜合進行反饋,把握重疊隧道採用先上後下多臺階開挖工法圍巖隧道結構的變形受力規律,確認圍巖隧道結構的穩定性,確定合理的支護支護參數,保證施工安全的基礎上追經濟性。
  17. I said when irpa was initially implemented that we would closely monitor the pass mark and adjust it to better match our needs. this is what we are now doing

    我說過,在施行難民保護條例的同,我們會注意及格分數,並及調整以便與我們的需吻合.這就是我們現在正在做的
  18. Secondly, against the problem that the linearity of inductive micrometer is poor in wide ranges, it compares with the usual methods of non - linearity compensation, and then determines the method used in the system based on the research of characteristic curve of sensor in detail. then, it gives the detailed designs of the embedded application software and the arithmetic of non - linearity compensation. finally, the paper deals with experimental data and analyses the experimental results, with a conclusion shows that the polynomial fitting is a useful method to solve non - linearity of inductive micrometer

    首先,針對電感位傳感器數據處理量大、實性高的特點,確定採用嵌入式處理晶元pxa271作為處理器,並根據實際需要確定性能指標;然後,針對電感位傳感器在大范圍內線性度差的問題,通過對常用的非線性補償方法進行比較,在詳細研究傳感器特性曲線的基礎上,選用分段多項式擬合的方案進行補償;在此基礎上,對嵌入式應用軟體設計給出了詳細的設計流程分析說明,最後,對設計的系統進行實驗數據分析,處理的結果滿足設計的性能指標,說明分段多項式線性擬合的方法在解決電感微位傳感器非線性問題上是可行的。
  19. Firstly, in wireless environment, receiver has no know the time delay between transmitter and itself. in ofdm system, ofdm data is transmitted as one symbol, so in order for correct demodulation, the correct start of symbol should be got from ofdm system to reduce the effect of isi. secondly, the high frequency utilization in ofdm is based on the orthogonal properties of sub carriers. if frequency offset is generated, the orthogonal properties among sub carriers will lost, that will cause inter carrier interference ( ici ) and high ber of system

    Ofdm技術也存在著一些缺陷,首先,在無線環境中傳輸的ofdm信號對定高,為了減少碼間串擾( isi )影響,必須從接收信號中提取出正確的符號起始位;其次, ofdm系統對頻率偏敏感, ofdm技術的高頻譜利用率傳輸可靠性均以子載波的正交性為基礎,如果接收機發射機之間發生頻率偏,子載波之間就會失去正交性,導致嚴重的子載波間干擾( ici ) ,降低系統性能。
  20. Then, the digital signal processing functions in g. 729a are optimized by dsplib. according to the structure characteristic of dsp, some sentences of circulation and shifting are rewritten. finally, the complexity of calculation of the whole algorithm is reduced to 30 mipss, which satisfies the real - time request very well

    接著,採用dsplib庫函數對演算法中的數字信號處理函數進行了優化,根據dsp的結構特點,改寫了部分循環判斷轉語句,最終整個演算法的計算復雜度降低到30mips ,完全滿足實
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