propagation time 中文意思是什麼

propagation time 解釋
傳播時間
  • propagation : 持續培養
  • 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 ...
  1. In section one, by using fice scheme and time - gcm, a model of trace gases and oh airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and oh airglow are analyzed. the result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. in this process, gravity wave undergoes growth, overturning, convection and breaking

    在第一部分的工作中，利用全隱歐拉格式和全球熱層-電離層-中間層-電動力學環流耦合模式（ time - gcm ） ，對重力波的非線性傳播及其在傳播過程中對中高層大氣中氧族和氫族成分和與之密切相關的oh氣輝輻射的影響進行了數值模擬，結果表明，從對流層向上傳播的重力波經歷了產生、發展、飽和、對流產生直至破碎的非線性演化，大氣的非等溫結構加速了重力波在中層頂區的破碎，重力波的非線性傳播是小尺度對流和湍流產生的一個重要的源。
  2. Clonal propagation can also give some large gains in a relatively short time.

    繁殖無性系也可以在較短期間內提供較大的增益。
  3. To keep the environment people live in, we should restrict or prevent many kinds of pollution, which includes electromagnetic radiation pollution. while we are considering setting up base station or evaluating the electromagnetism pollution of environment, we can measure on the spot. to save time, hard work and cost taken by measuring on spot, it is necessary to calculate and analyze the electromagnetic wave propagation in urban area

    在對現有電磁輻射源（如移動通信基站、廣播電視發射天線等）環境電磁污染狀況進行評估時可以進行實地測試，但是對在建或擬建的輻射源則不可能進行先測試，同時為了避免實地測試的費時、費力和較大的測試費用，通過計算機來計算分析城市環境電波傳播顯得很有必要。
  4. Firstly, second harmonic component ratio and dead angles of two phase inrush ' s dispersion in three - phase transformes are acted as input variable. secondly, the method applies improved algorithm based on the original algorithm of multi - layer forward back propagation network, that is to say, adding last variational effect of weight value and bias value to this time and making use of variable learning rate. at the same time, this method also adopts dynamic form in the number of hidden floor node

    首先，文中將三相變壓器兩相涌流差流的二次諧波含量比和間斷角作為網路的輸入變量；其次，利用對原有bp網路訓練演算法基礎上的改進型演算法（即在計算本次權值和閾值的變化時增加上一次權值和閾值變化的影響以及採用變學習率，與此同時隱含層神經元個數採用動態形式） ，通過樣本訓練使網路結構模型達到最優。
  5. Time deviation due to propagation delay can be tolerated.

    允許存在傳輸延遲所引起的時間漂移。
  6. In this study, we applied the reversibility of elastic wave to a discussion of the reverse time propagation of wave equation

    摘要本文應用波動方程式的可逆性討論彈性波的逆時影像重建。
  7. The propagation velocity of ultrasound in patient ' s shinbone can be achieved by figuring out the time span between emergent wave and echo wave

    根據相關公式，只需計算出超聲波發射信號和回波信號的時間差，即可獲得定量超聲波在受試者脛骨的皮質骨中傳播速度。
  8. We discussed the propagation of the atom laser beam which had non - conservation quality factor based on the theory of abcd formulation of propagation of a time - dependent quantum system

    我們試圖提供一種研究原子激光傳輸的一般方法，為進一步的實驗和理論預測提供一個理論工具。
  9. In chapter 3, we discussed the propagation of the atom laser beam, with the transverse independent of gravitate direction, which had non - conservation quality factor based on the theory of abcd formulation of propagation of a time - dependent quantum system

    第三章：本章在含時量子系統的schrdinger形式理論的基礎上初步討論原子激光? ?這種品質因子不守恆的含時量子系統的傳輸問題。
  10. Within the frame of the abcd formulation of propagator of a time - dependent quantum system, the abcd law is extended to the so - called effective abcd system which effective beam quality factor is conservative ; we discussed the system like the propagation of the atom laser beam

    如果考慮原子激光內部原子間相互作用的影響，就要引入描述原有品質因子和原子間相互作用綜合作用效果的物理量? ?有效品質因子和有效復數曲率半徑，利用heisenberg圖像得到傳播子的有效abcd形式。
  11. In chapter 2, a schrodinger formulation for paraxial light beam propagation of the real and comprehensive refractive indexes is represented. the equation for the atom laser beam wave - function is also given by a schrodinger equation, which is similar to the equation of the time - dependent system. therefore, it is possible to investigate the propagation of an atom laser beam

    第二章：本章介紹了傍軸光束在實數折射率介質和復數折射率介質中傳輸的schrdinger形式理論，同時指出由於原子激光的傳輸滿足schrdinger方程，與含時量子系統的傳輸方程類似，故利用含時量子系統的schrdinger形式理論來研究原子激光的傳輸是可行的。
  12. By studying on different operation mode and different interval flood of longyangxia reservoir, as well as the flood propagation time, pre - alarm scheme is established, which can alarm in order to lower construction losses when flood is in excess of standard

    通過研究龍羊峽水庫的不同運行方式和不同頻率的區間洪水，以及水量傳播時間的研究，得出預警方案，當發生超標準洪水時，提前報警使施工損失降低到最小。
  13. Combined with the significant project - gongboxia hydro - power station construction, emphasized on construction during flood period of power station construction period, the climate character of the upstream of yellow river basin and the practice operation state of cascade reservoirs are analyzed, some problems in construction during flood period such as flood propagation time, interval flood discharge forecast, construction risk, flood period pre - alarm and longyangxia reservoir ' s function on construction of gongboxia are also studied, with an aim at presenting real interval flood forecast scheme and dispatching method, so as to provide technological support for gongboxia hydro - power station construction period

    本論文結合國家重點工程項目?公伯峽水電站的建設，以電站建設期施工渡汛為研究重點，從實施出發，分析黃河上游氣候特性和梯級水庫群的實際運行狀況，對施工渡汛中的主要問題?洪水流達時間、區間洪水預報、渡汛風險、汛期預警、龍羊峽水庫在渡汛中的作用等進行了比較全面深入的研究，目的在於提出可用於實際的區間洪水預報方案和調度方法，為公伯峽水電站施工期建設提供技術支撐。
  14. Based on analyzing discharge data in guide, xunhua, tongren hydrologic station and river course character, propagation time of different discharge in different river course is presented, and prediction period of interval flood, main stream flood during construction and operation period are acquired

    通過對貴德、循化、同仁水文站流量資料以及河道特性的分析研究，得出不同流量在不同河道上的傳播時間，歸納出區間洪水和幹流洪水在施工期和運行期的預見期。
  15. The start points of output strain and reflect strain can be got by calculating propagation time of elastic wave through the bars

    反射波和透射波的起點根據波在桿中的傳播過程來計算。
  16. Round - trip propagation time

    往返傳播時間
  17. Round trip propagation time

    往返傳播時間
  18. One - way propagation time

    單向傳播時間
  19. The main results of the paper are as follows : ( 1 ) research on flood propagation time

    其主要研究成果如下： （ 1 ）水量傳播時間研究。
  20. The prediction period of flood forecast is decided by the flood propagation time to a great extent, and its shorter or longer play an important role in decision of construction scheme during flood period

    洪水預報的預見期主要由水量傳播時間決定，預見期的長短對施工渡汛方案的制定有決定性作用。
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