波衰減 的英文怎麼說
中文拼音 [bōshuāijiǎn]
波衰減
英文
wave attenuation-
( 4 ) the correlation property between the distribution of attenuation factor and that of the group velocity is indicated, in this study
（ 4 ）研究結果顯示，在頻率域內，面波衰減系數分佈與群速度分佈具有一定的相關性。This paper presents a new method of measurement of sediment utilizing ultrasonic theory and eletronic gain compensation technique
本文根據超聲波回波衰減理論，應用電路增益補償技術，提出了超聲回波增益補償測沙的新方法。According to these accomplishments, several techniques are expounded emphatically in this paper, including 3d refraction statics, coherent noise suppression by prestack wave field separating ( prestack fx noise attenuation ), 3d prestack multiple domain random noise attenuation, multiples attenuation, nmo of unsymmetrical hyperbola, dynamic replacement of wave equation, surface - inconsistent residual static, super bin stacking, poststack depth migration and prestack depth migration. all the techniques have been applied in seismic processing of 2d, 3d and wide - line profiling and obtained good results
本文根據項目組研究成果，重點閘述了三維折射波靜校正技術，疊前波場分離相干噪音壓制方法（疊前fx去噪） ，疊前三維多域隨機噪音衰減技術，多次波衰減技術，非對稱雙曲線動校正技術，波動方程動態替換技術，非地表一致性的剩餘時差靜校正技術，超面元迭加處理技術，疊后深度偏移處理，疊前深度偏移處理等。The results show the influence of conductivity is minor and can be ignored when the tunnel wall conductivity value is lower than the breakpoint ; however, when the value is bigger than the breakpoint, the influence is greater
研究結果顯示：當電導率小於斷點時，電磁波衰減率幾乎不受影響，當電導率高於斷點時，電磁波傳播特性會有較大的變化。Based on analyzing the theoretical model of ultrasonic attenuation, the formula was integrated into the ultrasonic attenuation model, and the relation of ultrasonic attenuation to pulp density and particle size was derived
在分析超聲衰減基本理論模型的基礎上，將不同粒徑的篩下累積含量集成到超聲波衰減模型中，推導出超聲波衰減與礦漿濃度、粒度之間的關系模型。Method for measurement of ultrasonic attenuation coefficient of solid by pulse echo technique
用脈沖回波技術測量固體超聲波衰減系數的檢測方法Test method for bulk acoustic wave attenuation of piezoelectric lithium niobate crystals
壓電鈮酸鋰單晶體聲波衰減測試方法This can be a complex process that includes choosing appropriate signal conditioners, isolation circuitry, filtering, scaling, formatting, etc
這可能是一個復雜的過程，包括選擇合適的信號調理裝置、隔離電路、濾波、衰減、格式化，等等。Express the factors resulting in the attenuation of acoustic waves
敘述引起音波衰減的因素。Attenuation discipline of stress wave in pile and it ' s application in integrity test
樁基完整性檢測中樁身應力波衰減規律及其應用And then the paper validates the suitableness of the stress attenuation in the area of shock wave
隨后對獲得的應力波衰減方程在沖擊波作用范圍的適應性進行了驗證。( 2 ) calculating the gridded rayleigh wave attenuation factor y and group velocity. the lsqr algorithm is used to inverse the attenuation factor and group velocity under 4 ? x4 ? gridding and 2
（ 2 ）進行rayleigh波衰減系數、群速度網格化純路徑衰減反演計算，得到網格單元純路徑衰減系數和群速度分佈結構。Characteristics of attenuating and absorbing of super wideband radar surface wave by means of radar absorbing coatings as well as radar absorbing coatings combined with frequency selective surfaces are studied and then reported here
研究了雷達吸波塗層對寬頻段雷達表面波衰減吸收的規律以及頻率選擇表面與吸波塗層相結合的復合吸波塗層對寬頻段表面波衰減吸收的規律。The experimental result shows that the pressure wave near the outside of the filter tubes attenuated fast in the back pulse jetting, and the pressure wave transited evenly in the filter after it went ayay from the wall of the filter tubes for some distance
實驗結果表明，在脈沖反吹時濾管外附近區域的壓力波衰減較快，而離濾管壁一定距離后壓力波則在過濾器內均勻傳播。Generally speaking, the high group velocity and low attenuation factor and high qr in the same area, but relatively low group velocity and high attenuation factor and low qr in the same area in china is the general distribution
在不同周期，面波衰減系數或品質因子在整個中國大陸區域分佈是不均勻的；總體表現為高群速度分佈的區域呈現高叢和低衰減系數、低群速度分佈的區域呈現低叢和高衰減系數分佈的特點。By using the attenuation property of the rayleigh surface wave to invert the quality factor of crust and upper mantle, this paper yields the s - wave quality factor 3d structure of crust and upper mantle of china, and the viscidity structure of this area as well
本文主要通過rayleigh面波衰減反演地殼上地幔s波品質因子q _ ，建立了中國大陸地殼上地幔s波品質因子全三維結構。探討了中國大陸區域地球內部粘彈性結構。This is of very important significance to understand the material property and geodynamic of corresponding area, the surface wave attenuation mechanism and the inversion algorithm of attenuation and s - wave quality factor are discussed systemically in this paper. some important fruits and understanding are resulted from the the crust and upper mantle tomography of china. ( 1 ) calculating of the rayleigh surface wave attenuation factor y
本文首先探討了面波衰減的機理，對面波衰減和s波品質因子q _反演的計算方法進行了系統的研究，並對中國大陸地區地殼上地幔q _三維結構進行層析成像，取得了以下重要成果： （ 1 ） rayleigh面波衰減系數計算。Series and products of microwave circuits products of microwave attenuator series
微波電路系列和品種微波衰減器系列的品種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。Otherwise it decreases with the dielectric constant. since the direction of the particle chains is different from that of microwave transmission, which was considered to have different effect on microwave attenuation. two different erf containers for measuring the microwave transmittance were made
考慮到微波傳播方向與電流變液顆粒鏈方向不同會造成微波衰減的不同，因此設計並製作了兩種用於測量電流變液微波透射率的電流變液樣品盒。分享友人