波反射 的英文怎麼說

中文拼音 [bōfǎnshè]
波反射 英文
wave reflection
  • 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...
  • 反 : Ⅰ名詞1 （方向相背） reverse side 2 （造反） rebellion 3 （指反革命、反動派） counterrevolutionari...
  • 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） ...
  1. In this article, considering the character of the one - dimensioned continuum and the cross - section, the varied quotiety of the strain can be presented as the mode function to identify the damage. and inversion of the elastic wave is presented to detect the injures when the area is the variable of the inversion, for the pip usually buried under the earth or enwrapped into the protection make the detection difficulty by the mode of vibrancy. the influence of the area must be considered if the exactness is the pre - requisition

    在論文中，考慮到壓力管道的一維性質，提出用應變模態改變變化率的方法對一維的結構進行損傷識別；同時考慮到在實際的工程和現場測試中，壓力管道大多深埋在地下或者有外在的保護膜，不宜進行模態的檢測，所以也考慮利用彈性波的方法對壓力管道的性質參數和截面性質進行反演識別，從而得到我們感興趣的東西，達到損傷識別；一般，在利用彈性波反射方法進行損傷檢測中，不考慮截面效應對彈性波的衰減影響，這就對損傷檢測造成一定的影響，本文考慮截面效應的影響，通過實驗來確定截面效應系數。
  2. Above this 34 - m antenna, called dss - 13, is one of those large dishes of the deep space network in goldstone, california and is primarily used for receiving echoes reflected from asteroids when they are beamed by groundbased radio signals

    圖上這座口徑34米的天線，編號dss - 13 ，隸屬美國加州的深空網路。當天文學家從地面向小行星發射無線電波時，小行星會把部分電波反射回地球，並由dss - 13所接收。
  3. Above ) this 34 - m antenna, called dss - 13, is one of those large dishes of the deep space network in goldstone, california and is primarily used for receiving echoes reflected from asteroids when they are beamed by groundbased radio signals

    （圖上）這座口徑34米的天線，編號dss - 13 ，隸屬美國加州的深空網路。當天文學家從地面向小行星發射無線電波時，小行星會把部分電波反射回地球，並由dss - 13所接收。
  4. The point at which the incident wave, reflected wave, and mach fronts meet is called the "triple point".

    入射沖擊波、反射沖擊波與馬赫波波陣面匯合之點叫做「三相點。」
  5. Super - resolution spatial spectrum estimation is applied in this dissertation to realize bearing resolution by utilizing the different bearings between targets and first - order sea echoes. the simulation of radar echoes in one resolution cell is presented based on the theoretically analyzing hf sea clutter sea clutter reflection characteristic and sea echo spectrum stretching mechanics

    本文從分析高頻海雜波反射特性以及平臺運動引起海浪展寬機理入手，建立便於理論研究的一階展寬的海雜波和二階海雜波模型;在分辨單元上對雷達回波信號進行了模擬。
  6. The method of seismic and reflection wave synthetic seismogram in vti media

    介質中地震波反射波合成記錄的方法研究
  7. At first in the condition of low - velocity impact it is discussed with the formation of ceramic smash cone angle on the base of quasi - statistic hertz and 3 a 6 y a c - theory. then using spherical stress wave reflection and transmission theory under the state of medium - high velocity the formation of spot in the ceramic back. finally the damage mechanism of ceramic suffered by the high impact is simply discussed

    首先，在低速撞擊的條件下，基於準靜態hertz的理論與薩布斯基理論，分析了陶瓷破碎錐角的形成；其次，在中高速撞擊條件下，利用球面應力波反射迭加理論，分析了陶瓷背面的層裂的形成；最後，簡單討論了高速撞擊下陶瓷的破碎機理。
  8. By means of processing of testing data, we got high frequency tomography velocity imaging and very high frequency stacking imaging of reflects. we use crosswell tomography imaging and reflect imaging compares with sound wave, density logging and lithology analysis to complete the interpretation of crosswell seismic data result

    具體內容包括原始資料編輯和井口排列規格化、初至拾取、估算速度模型、 vsp - cdp成像、 p波二維層析成像和p - p波反射剖面疊加等，論文中給出了詳細的處理流程。
  9. The results show that the influences of duration and amplitude of stress wave on spallation process of rock under stress wave loading are important ; and stress wave with different waveforms is characteristic of different stress values and different stress loading ratios during the same period of time, which brings about the comprehensive effect when difform stress wave is loaded to medium

    通過對不同應力波延續時間、不同應力波峰值和不同應力波波形下應力波誘發層裂過程的數值分析，對應力波反射誘發層裂的規律和機制進行探討。
  10. With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target. secondly based on the damage feature about ceramic / fiber composite target caused by impact load, analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given. lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target, optimizes the design of double layer ceramic / composite targets, gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3

    首先，分析了纖維類正交鋪層復合靶板在沖擊載荷作用下的損傷破壞機理，結合包含損傷和應變率效應的材料動態本構方程，建立了纖維復合材料板彈道極限速度的預測公式；其次，根據陶瓷/纖維材料復合靶板在沖擊載荷下的破壞特點，建立了陶瓷/復合材料靶板抗彈性能分析模型，給出了彈道極限速度預測公式；最後，利用應力波反射和透射理論討論了陶瓷/復合材料靶板的設計問題，對雙層陶瓷復合靶板的優化設計進行了分析，給出了在一定面密度下的最佳優化系數，討論了一定彈道極限速度下的面密度和厚度隨優化系數的變化關系。
  11. Based on the mesoscopic damage mechanics, numerical code rfpa ( superscript 2d ) was developed to simulate the spallation process of inhomogeneous medium induced by reflection of stress wave under different stress waves ( such as different durations, amplitudes and shapes ), and the behaveiour and mechanism of spallation process were numerically analyzed and discussed

    摘要採用基於細觀損傷力學基礎上開發的動態版rfpa （上標2d ）數值模擬軟體，對不同沖擊載荷作用下非均勻介質中應力波反射誘發層裂過程進行數值模擬。
  12. The conclusions from this research include : ( 1 ) the real part mainly effects the delay time between two peaks of gpr signal, the larger the real part, the longer the delay time. ( 2 ) the imaginary part mainly affects the peak amplitude of gpr waveform except that from pavement surface, the higher the imaginary part, the lower the peak amplitude. ( 3 ) the neglect of imaginary part of dielectric will increase the analyzing error obviously when it is higher

    分析了路面結構層材料介電常數實部和虛部對雷達電磁波反射信號的影響，並得出以下結論： （ 1 ）介電常數的實部主要影響雷達反射波的時延，實部越大，時延越長； （ 2 ）虛部主要影響除路表反射波幅之外的其它結構層界面的反射波波幅，虛部越大，反射波幅越小； （ 3 ）當介質介電常數虛部較大時，忽略虛部將給分析結果帶來明顯的誤差； 3
  13. According to the problem exsiting in detecting the thickness of the coal seam, put forward the signal processing method for wavelet multiresolution analysis applying to analyzing the actual detecting signal

    摘要根據聲波反射法探測頂煤厚度中存在的問題，提出了將小波多尺度分析應用到實際煤厚探測信號分析中的信號處理方法。
  14. Application of low strain dynamic measuring technique by reflected wave method to pile foundation of standard embankment

    淺談應力波反射法基樁檢測的方法局限性
  15. Locus of reflectivity in complex coordinates during surface plasma resonance

    光激發表面等離子體波反射系數在復平面的軌跡
  16. Abstract : the effects of young ' s modulus on the wave velocity, on the potential energy and kinetic energy in arbitrarily volume in the maocinery longitudinal and on the vibration phase among incidance ware, reflex wave and transmission wave at the boundary surface of two kinds of medium are discusseed

    文摘:本文就楊氏模量在機械縱波中的波速、任意體積內的勢能和動能及在兩種介質界面處入射波、反射波、透射波的振動周相關系中的作用作了闡述。
  17. Dolphins use sound as their primary sense, that is, instead of using sight, dolphins listen to sound reflections to determine where they are underwater, if there are any obstacles in their way and to find fish

    中華白海豚利用聲音作為主要感官，換言之，海豚不用視覺，而是憑聲波反射來確定自己於水中的位置判斷前路有否受阻及覓食。
  18. The point at which the incident wave, reflected wave, and mach fronts meet is called the " triple point "

    入射沖擊波、反射沖擊波與馬赫波波陣面匯合之點叫做「三相點。 」
  19. The acoustic reflections from a submerged piezoelectric / elastic bilaminar sphere shell are studied by applying of the computational software ansys in which the finite element technique is used

    摘要採用有限單元計算軟體ansys對無限水域中壓電彈性材料復合層球殼的聲波反射進行了數值研究。
  20. So the value and distribution of the dielectric constant in erf change. in this paper the coupling between the microwave and erf was investigated

    在微波頻率為9g時，研究了納米二氧化鈦包覆高嶺土、鈦酸鋇以及釔摻雜鈦酸鋇三種電流變液的微波反射可調控特徵。
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