返射波 的英文怎麼說

中文拼音 [fǎnshèbō]
返射波 英文
return wave
  • 返 : 動詞（回） return
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 波 : 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...
  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波通信質量，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波通信或高頻天波雷達相關的天波傳播通道的狀態，對短波通信和天波雷達工作起了重要的輔助作用。
  2. As a result a reflected wave is sent back into the water, but this is a rare faction wave.

    結果，向水中送回一個返射波，但這是一種稀疏波。
  3. Increased cloud also blocks the atmospheric window and returns additional long-wave radiation to the ground.

    雲的增加對大氣窗區也起著屏蔽作用，因而使額外的長波輻射返回地面。
  4. Using the particle - in - cell ( pic ) model, a 8 millimeter relativistic backward wave oscillator underlying superradiance mechanism was gotten, the influence on both operation frequency and radiation efficiency of the guiding magnetic field, the diode voltage, the beam current and the beam radius as well as the corrugation structure were also presented

    採用pic方法，通過數值模擬優化設計了超輻射狀態下的8毫米相對論返波振蕩器，分析了引導磁場、二極體電壓、電子束流、電子束半徑、周期慢波結構等對器件的輻射功率及輻射效率的影響。
  5. Methods : hyperosmotic pressure animal model was established by administering 3 % sodium chloride as drinking water to rats or increasing osmotic pressure of the culture medium. osmoregulation positions in the brain, reciprocal projection pathways between the medullary visceral zone ( mvz ) and supraoptic nucleus ( son ) or hypothalamic paraventricular nucleus ( pvn ), oscillation of intracellular calcium in cultured neurons and astrocytes were studied by means of anti - fos, glial fibrillary acidic protein ( gfap ), tyrosine hydroxylase ( th ) or vasopressin ( vp ) multiple imrnunohistochemical staining, immuno - electronic microscope, wga - hrp retrogradely tracing and cell culture methods. results : ( 1 ) fos positive neurons within the mvz, parabrachial nuclei, locus ceruleus, pvn, son, subfomical organ increased markedly

    方法：通過給予大鼠飲用3氯化鈉或提高培養基滲透壓濃度的方法復制高滲刺激模型，主要採用抗fos 、膠質原纖維酸性蛋白（ gfap ）和酪氨酸羥化酶（ th ） （或加壓素? vp ）免疫組織化學多重染色、免疫電鏡、 wga - hrp束路追蹤結合免疫組織化學多重染色、細胞培養等實驗方法，系統觀察了中樞參與滲透壓反射的調控部位、下丘腦視上核（ son ）神經元? ast超微結構的變化、延髓內臟帶（ mvz ）和son及下丘腦室旁核（ pvn ）之間往返投射通路和神經元的性質及其與ast的關系、培養神經元和ast內鈣波的變化。
  6. They also showed that the apollo spacecraft could survive the launch and could re - enter earth ' s atmosphere safely

    試驗飛行還證明了「阿波羅」號航天器能夠經受住發射的沖擊，也能夠安全地重返地球大氣層。
  7. Experimental study of backward wave oscillator with resonant reflector operating at low magnetic field

    帶諧振腔反射器的低磁場返波管實驗研究
  8. Since the distance from any given radar to each of these reflective surfaces ( which may be as much as 50km, or 30 miles, away ) is known precisely, the time it takes a beam to get there and back is a measure of how much water vapour it contains

    因為可以精確獲取某一雷達到這些反射物體中的任一表面的距離（可能有50公里，即30英里遠） ，人們便可以通過雷達波往返兩地所需的時間測得反射物的水蒸氣含量。
  9. Based on the propagation theory of the longitudinal wave in the pile, the present paper presents a technique for determining such parameters as back - and - forth time of reflection wave and apparent reflection coefficient

    摘要本文以縱波在桿中傳播的理論為根據，介紹一種用於確定反射波往返時及視反射系數等參數的方法。
  10. After some correction of the apparent reflection coefficient, the extent of wave impedance differences of the reflection interfaces can be analysed quantitatively and, on such a basis, the defective position of the pile body can be detected

    將視反射系數經過一定的校正後，可定量分析反射界面的波阻抗差異的大小，進而確定樁身缺陷的嚴重程度；反射波往返時則用來推算樁身缺陷的位置。
  11. Abstract : based on the basic principle of reflection and transmission in the process of the propagation of logitudinal wave, this paper recounts a new theory and method for the application of pile body completeness inspection data with reflection wave method to the quantitative determination of apparent reflection coefficients and the round travelling time of reflection wave

    文摘:從縱波傳播過程的反射和透射的基本原理出發，介紹了反射波法樁身完整性檢測數據在頻率域中定量確定視反射系數和反射波往返時間的一種新的理論和方法。
  12. Based on the basic principle of reflection and transmission in the process of the propagation of logitudinal wave, this paper recounts a new theory and method for the application of pile body completeness inspection data with reflection wave method to the quantitative determination of apparent reflection coefficients and the round travelling time of reflection wave

    摘要從縱波傳播過程的反射和透射的基本原理出發，介紹了反射法樁身完整性檢測數據在頻率域中定量確定視反射系數和反射波往返時間的一種新的理論和方法。
  13. The simulation results show the existence of both limits and optima for the studied parameters, related to the stable operation and the maximum efficiency, respectively. underlying the conditions that the longitudinal guiding magnetic field is 1. 8t, diode voltage is 250 kv, the impedance is 150, we got a peak power as high as 100 mw for the tm01 mode at 38ghz

    經優化設計，本文給出了一個相對論亞納秒毫米波返波振蕩器的物理模型，在引導磁場為1 . 8t 、二極體電壓為250kv 、阻抗為150的情況下得到了超輻射狀態下輸出微波峰值功率為100mw 、中心頻率為38ghz 、模式為tm _ （ 01 ）模的微波輻射。
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