波的衰減 的英文怎麼說

中文拼音 [bōdeshuāijiǎn]
波的衰減 英文
wave attenuation
  • 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...
  • 的 : 4次方是 The fourth power of 2 is direction
  • 衰 : 衰動詞（衰弱） decline; wane
  • 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
  1. Attenuation of seismic waves between such surfaces can be similarly diagnostic.

    在這些界面之間地震波的衰減，同樣可以作為一種標志。
  2. The beacon will have a limited beamwidth and if the body-to-beam angle exceeds this a serious loss of signal will result.

    這個信標器的波束寬度有限，如果彈體波束角超過了它，信號就會發生嚴重的衰減。
  3. 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。
  4. Iir filters are a kind of digital filters with recursive structure and are primarily used for high data throughput applications that can tolerance phase distortion and require a sharp cut - off characteristic

    本文討論的iir濾波器是一種遞歸結構的數字濾波器，主要用於能夠容忍相位失真而要求具有良好的衰減特性的高數據處理量的系統中。
  5. Secondly, the formula of the shock front of the spherical wave in the air is extended to the model of circumrotated ellipse and the process of the shock front of in the water in term of the transmitting characteristic of the laser plasma shock wave in the air

    其次，從空氣中激光等離子體沖擊波波前的傳輸特性出發，將空氣中點源爆炸球面沖擊波波前衰減傳播公式推廣到非中心完全對稱情況，提出旋轉橢球面沖擊波前傳播公式；建立水中的激光等離子體沖擊波波前衰減傳播模型。
  6. Evaporation ducts, or tropospheric ducts in general, can guide radio waves to distances far beyond the horizon with less attenuation, and then severely impair some certain radio wave system

    以蒸發波導為代表的對流層大氣波導傳播，可使電波在較小的衰減下沿波導傳播得很遠，從而嚴重影響合適的無線電系統。
  7. Main conclusions drawn from the analyses of calculating results are as follows : ( 1 ) the microwave absorption of atmosphere gas have obvious attenuation at the wavelengths for cloud detection, thereinto, the water attenuation effect changes greatly, so the 94ghz cloud detecting radar should have water vapor attenuation correction scheme. ( 2 ) when 37ghz and 94ghz radars detect clouds, the difference between the atmosphere and cloud attenuation and the large variety of radar reflectivity conduce the intension of the radar backscatter signals change. ( 3 ) for the thin cloud layer and low water content of cloud, 37 - ghz radar backscatter signals are not as good as 94 - ghz radar, that is to say that the 94ghz radar has better capability in thin clouds detection

    本工作得出如下結論： （ 1 ）大氣氣體的微波吸收在測雲波段產生明顯的衰減，其中水汽衰減效應變化很大；即將上天的空間94ghz測雲雷達必須有水汽衰減訂正方案； （ 2 ） 37ghz和94ghz雷達測雲，由於大氣和雲衰減不同和雷達反射率的很大差異，導致雷達回波信號強弱不同； （ 3 ）對雲層較薄、含水量較少的雲，在不計雷達參數的情況下， 37ghz雷達回波信號不如94ghz測雲雷達，也就是說94ghz對薄雲有更強的探測能力；對雲層較厚、含水量大的雲，由於強衰減的作用， 94ghz雷達回波信號小於37ghz雷達； （ 4 ）從大氣衰減的不利因素方面考慮，空間94ghz雷達測高層薄雲的效果最好；測低層薄雲時需要考慮氣體衰減訂正；因濃厚雲的強衰減作用，探測其中下部的能力大大減弱，不僅要進行衰減訂正，而且要藉助其他信息來反演整個雲層的含水量垂直分佈； （ 5 ）為了獲得從極薄到極濃厚雲的垂直分佈探測能力，未來測雲雷達系統最好採用雙波長甚至三波長（如94 、 37和13ghz ） 。
  8. According to statistics parameters of the typical clouds over xi ' an region and cloud data obtained from the global distribution of cloud cover under the auspices of world meteorological organization, for xi ' an region typical cloud, the parameters of khragian - mazin cloud drop size distribution are obtained. based on xi ' an cloud water content profile, on earth - space paths, attenuation due to cloud are calculated by means of the k - m distribution. it is shown that the attenuation induced by cloud are taken into account at ka - at elevation angle smaller than 30 and v - band paths

    第三，根據西安地區氣象觀測數據，討論了西安典型雲的宏觀和微觀物理特性；根據西安典型雲的觀測結果和世界氣象組織提供的數據，得到西安典型雲的k - m雲滴譜參數；並根據西安地區雲的液水含量，計算了地一空路徑上雲的衰減，結果表明，在v波段和仰角小於30度的ka波段路徑，雲的衰減需加以考慮。
  9. They not only have the quality of slow decay, but also narrow beam and focused energy, which are widely used in military and communication

    慢衰減電磁波的衰減比一般電磁波慢，可以實現較大的探測深度；由於它的頻率高，可以實現較高的解析度。
  10. Attenuation of hydromagnetic wave

    磁流體波的衰減
  11. Normal - mode attenuation coefficients for shallow water with negative sound velocity gradient and sandy or muddy sediment bottom

    質海底的負聲速梯度淺海中簡正波的衰減系數
  12. Therefore, the judgment presented here is according to the attenuation coefficient and number of the bottom wave

    因此，本文提出的判斷依據是底波的衰減系數和底波的個數。
  13. When the energy converters and the thickness of the steel plate are settled, the attenuation speed of the repetitious pulse reflected wave from the underside is only related to the reflectivity of the reinforced concrete interface

    在鋼板厚度和換能器確定的情況下，多次脈沖底面反射波的衰減速度只與鋼-混凝土界面的反射率有關。
  14. Attenuation characteristic of fast wave, slow wave, quasi - transverse wave and anti - plane transverse wave are discussed and the combined effects of the anisotropy of the solid skeleton and fluid viscosity on the propagation characteristic of plane waves are analyzed numerically. the influence of horizontal anisotropy and fluid viscosity on the propagation characteristic of elastic waves is clarified

    討論了液飽和多孔介質中快波、慢波，準剪切波和反平面剪切波的衰減特性，並分析了固體骨架異性以及流體粘度的綜合效應對平面波傳播特性的作用，澄清了介質水平面內異性以及流體粘度對彈性波傳播特性的影響。
  15. When frequency slightly higher than cutoff, using perturbation method it is to know that tunnel wall wet make attenuation of electromagnetic wave lower not only in rectangular tunnel but also in circular tunnel

    當頻率略高於隧道截止頻率時利用微擾法可知：不論是矩形隧道還是圓形隧道，隧道壁潮濕使電磁波的衰減率降低。
  16. Integrated the monitoring data collected from the scene of blast with the correlative theory of earthquake wave, the blast vibration characteristic of this underground blast engineering and the influence that the blast vibration act on the ground buildings are analyzed. applied the method of duality linearity regression analysis, the propagation attenuational laws of blast earthquake wave in this underground engineering are gained by this software matlab. the analysis results indicat that the attenuational laws of blast earthquake wave are obvious diversity in the condition of difference distances

    結合採集到的大量爆破振動現場實測數據，並應用地震波的相關理論，分析了該地下工程開挖爆破的地面爆破振動特性及爆破振動對地面建（構）築物的影響;應用二元線性回歸分析法，通過matlab軟體計算得出該地下工程開挖爆破地震波的傳播衰減規律;分析結果表明，不同距離下的地面爆破地震波的衰減規律存在明顯的差異，近距離條件下爆破地震波的垂直方向分量衰減最慢，遠距離條件下垂直方向分量衰減最快，遠距離的爆破地震波的垂直方向分量和水平徑向分量的衰減指數均要比近距離相應的爆破地震波衰減指數要大。
  17. The stator assembly receives a quick, high - voltage surge test ( approximately 2500 volts peak ) to each phase in sequence, and the decay of the surge through the windings is integrated by the tester and compared phase to phase

    對于定子總成進行逐個相位的快速、高壓（峰值約為2500伏）的沖擊波試驗，並且測試員對通過線圈的沖擊波的衰減進行完全的測試，進行相位與相位的比較。
  18. This paper calculates the 94ghz and 37ghz attenuation in various model atmosphere by using liebe ' s algorithms, and also the microwave attenuation of cloud by using rayleigh ' s approximation

    本工作中採用大氣對微波衰減的liebe演算法計算了多種模式大氣中94ghz和37ghz衰減（吸收） ，用rayleigh散射近似計算雲對微波的衰減。
  19. Attenuating and absorbing of surface wave on targets is vital for targets ' stealth

    摘要目標物體上表面波的衰減吸收對目標的隱身起到很大的作用。
  20. The reflection, attenuation of the wave and the effect on wave by the form of excitation or restrict has been studied

    研究了波的反射關系、波的衰減以及加載方式、約束條件等對波傳播特性的影響。
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