波傳播 的英文怎麼說

中文拼音 [zhuàn]
波傳播 英文
wave propagation波傳播方向 wave line
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
  • : 播名詞(姓氏) a surname
  • 傳播 : 1 (廣泛散布) disseminate; propagate; spread; (over); diffuse; transmit; run 2 [物理學] propag...
  1. The ionosphere is a complex medium, which is aeolotropy, asymmetry, dispersive and changes randomly with time. in order to improve the communication quality of the shortwave that depends on the ionosphere, we should have aknowledge of the current condition of the ionosphere in real time. the backscatter sounding of high frequency can diagnose the real - time channel characters for shortwave communication or hf radar, which is great assistant to shortwave communication and hf radar

    電離層是隨機時變,各向異性,非均勻、色散的復雜介質。為了保證依賴于電離層進行的短通信質量,必須了解電離層的實時狀態信息。高頻返回散射探測可以實時監測與短通信或高頻天雷達相關的天波傳播通道的狀態,對短通信和天雷達工作起了重要的輔助作用。
  2. Abstract : propagation characteristics of r wave in a pavement structures are analysed in this paper. based on the propagation characteristics of r wave, the horizontal propagation wave is simulated by using r wave, the vertical propagation wave is also simulated by using body wave in calculating dynamic response of pavement structures. the availability and accuracy of dispersion curves measured by sasw in pavement structures is analysed by using the presented method used to calculate dynamic response

    文摘:利用有限單元法分析了道路結構的r面波傳播特性:在深度方向上衰減較慢,較深,動性大.提出了在道路結構動力響應計算中,利用面來模擬水平向,利用體來模擬豎直向.通過算例來驗證該方法的可靠性和精確性,並利用這一動力響應計算方法分析了道路結構表面測試中所獲彌散曲線的可靠性
  3. 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,利用以土骨架和孔隙流體的四個位移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(中心差分法和newmark常平均加速度法結合)和透射邊界,通過比較利用幾種差分格式求解的加速度結果,發現一種用速度單邊差分求解加速度的方法在本文研究中較為實用,分別編制了體( p或sv) 、 rayleigh面輸入時求解兩相介質動力響應的兩個二維數值分析程序。
  4. 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。
  5. In recently years, many thesis have been issued about the city ’ electric wave propagation in the famous inland or outer publication

    近年來,在國內外著名刊物上都有不少有關城市小區電波傳播方面論文發表。
  6. On this condition, the paper put forward a new electric wave transmition model in the microcell, which based on ray tracing method of virtual fountain tree

    在總結前人工作的基礎上,本文提出了一種新的基於「虛擬源樹」射線跟蹤技術的微蜂窩小區的電波傳播模型。
  7. Otherwise, since the importance of electric wave propagation and anticipation model in wireless network design, the paper gives a further research using a single chapter

    此外,鑒于電波傳播預測模型對無線網路規劃的重要意義,論文用單獨一章對其進行了深入研究。
  8. With more and more people using the wireless devices, it is very necessary to predict the field strength in the room and study propagation characters of the wireless electric wave f therefore, it is very important to adopt exact method to study them

    隨著室內無線電設備使用越來越廣泛,對室內的場進行預測,並對無線電波傳播特性進行研究是十分必要的,因此採用正確的方法是十分重要的。
  9. Firstly, this paper designs a polar coordinate barotropic vorticity equation semi - spectral model and a quasi - geostrophic grid model in order to research the propagation of vortex rossby waves and tropical cyclone intensity change entirely

    本文首先設計了一個極坐標系正壓渦度方程的半譜模式、一個準地轉格點模式對渦旋rossby波傳播和熱帶氣旋強度變化進行了較為系統的研究。
  10. The model is based on the theory of physical optics ( po ), geometry theory of diffraction ( gtd ) and uniform theory of diffraction ( utd ), and it can compute and analyze the propagation of em wave in microcellular environments by using improved ray tracing method

    該模型基於物理光學( po ) 、幾何繞射理論( gtd ) 、一致性繞射理論( utd ) ,利用改進的射線跟蹤法對微蜂窩中電波傳播特性進行了數值分析計算。
  11. A normal mode model for ocean seismo - acoustics in shallow water

    淺海地震波傳播的簡正模型
  12. In chapter 5, we discuss the cauchy problem of the imbq equations which originate from the longitudinal propagation in a nonlinear elastic rod model of dna

    在第五章中,研究由nwa分子中的非線性波傳播而導出的twrsq型方程組w 。一「 8c一uoc 。 。
  13. The machine ' s moored at one end, points into the direction of the oncoming waves

    機器一端被固定,並指向波傳播來的方向。
  14. The research work in nonlinear pulsatile flow and nonlinear pulse wave propagation is reviewed

    本文首先回顧了前人在彎曲動脈中脈動流和脈搏波傳播方面的研究工作。
  15. The integral determination of rayleigh wave velocity

    波傳播速度的積分確定
  16. The following results were found, i. e., the water ratio affects obviously the acoustic wave velocity of rock sample ; the wave velocity is higher in saturated rock samples than in unsaturated ones ; and it decreases gradually with the strain of samples during uniaxial compression ; and also with the lengthening holding time at 160 ; when heating the samples the acoustic wave velocity increases slightly in initial stage and comes to the peak value at 60, then decreases gradually with increasing temperature ; meantime, there is a certain temperature effect on rock samples size

    實驗發現含水率對速影響比較大,飽和巖樣的聲波傳播速度高於不飽和巖樣的聲波傳播速度;人工預制裂紋對聲波傳播速度影響不大;單軸壓縮條件下,聲波傳播速度隨應變增加逐漸降低;在同一溫度( 160 )下,速隨保溫時間的增加而逐漸降低;在對巖樣逐漸加熱情況下,初始加熱階段速略有升高,當溫度達到60時,巖樣速達到峰值,之後隨著溫度繼續升高其速逐漸下降;速隨溫度變化具有一定的尺寸效應。
  17. The warning system works by detecting primary waves, which spread from the epicenter of a quake and travel faster than the destructive shear waves

    這個預警系統偵測主,主從震中來且比破壞性的橫波傳播的要快。
  18. Equivalent analysis method of electricmagnetic wave propagation in mine trapezium - shaped roadway

    梯形巷道中電磁波傳播的等效分析方法
  19. The travel time of lcr wave and applied stress showed well linear relationship in the qualitative and quantitative experiments, experimental result matched with the theory, achieved the anticipative requirements. these experiments validated the feasibility of evaluating the stress with lcr wave based on tdc travel time measurement preliminarily

    定性實驗與定量實驗顯示, lcr波傳播聲時與加載應力具有良好的線性關系,實驗結果與理論基本相符,達到了預定要求,也初步驗證了基於tdc聲時測量的lcr應力檢測方法的可行性。
  20. The highly sophisticated electronic methods rely on either light or radio wave propagation.

    較復雜的電子技術是利用光或無線電波傳播
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