propagation effect 中文意思是什麼

propagation effect 解釋
傳播效果
  • propagation : 持續培養
  • effect : n 1 結果。2 效能，效果，效力，效應，作用，功效；影響。3 感觸，印象；外觀，現象。4 旨趣，意義。5 ...
  1. Wind direction, wind velocity, air temperature and air pressure have a very great effect on the propagation of pressure waves.

    風向、風速、氣溫和氣壓對壓力波的傳播有十分巨大的影響。
  2. In section one, by using fice scheme and time - gcm, a model of trace gases and oh airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and oh airglow are analyzed. the result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. in this process, gravity wave undergoes growth, overturning, convection and breaking

    在第一部分的工作中，利用全隱歐拉格式和全球熱層-電離層-中間層-電動力學環流耦合模式（ time - gcm ） ，對重力波的非線性傳播及其在傳播過程中對中高層大氣中氧族和氫族成分和與之密切相關的oh氣輝輻射的影響進行了數值模擬，結果表明，從對流層向上傳播的重力波經歷了產生、發展、飽和、對流產生直至破碎的非線性演化，大氣的非等溫結構加速了重力波在中層頂區的破碎，重力波的非線性傳播是小尺度對流和湍流產生的一個重要的源。
  3. Firstly, second harmonic component ratio and dead angles of two phase inrush ' s dispersion in three - phase transformes are acted as input variable. secondly, the method applies improved algorithm based on the original algorithm of multi - layer forward back propagation network, that is to say, adding last variational effect of weight value and bias value to this time and making use of variable learning rate. at the same time, this method also adopts dynamic form in the number of hidden floor node

    首先，文中將三相變壓器兩相涌流差流的二次諧波含量比和間斷角作為網路的輸入變量；其次，利用對原有bp網路訓練演算法基礎上的改進型演算法（即在計算本次權值和閾值的變化時增加上一次權值和閾值變化的影響以及採用變學習率，與此同時隱含層神經元個數採用動態形式） ，通過樣本訓練使網路結構模型達到最優。
  4. Present situation of research on propagation of blasting stress wave and rock fragmentation effect in remote area

    爆破應力波的傳播及其遠區破壞效應研究現狀述評
  5. The high frequencies are not emitted, the effect of frequency-selective propagation is not very apparent.

    沒有激發高頻，頻選傳播不很明顯。
  6. Effect of complex site on seismic wave propagation

    復雜場地對地震波傳播的影響
  7. The proportion of plastic shrinkage cracking is rather high in early cracking. the plastic shrinkage cracking would effect construction appearance and promote the propagation of drying shrinkage cracking or other types cracking, but also provide a passage for aggressive agents penetrating and moving to the concrete mass

    塑性收縮裂縫在早期裂縫中佔有相當大的比重，其存在不僅影響工程外觀，促使乾燥收縮裂縫或其它形式裂縫的發展，而且還將為侵蝕性介質向混凝土基體滲透、遷移提供通道，對混凝土的耐久性造成嚴重影響。
  8. Based on the generalized huygens - fresnel diffraction integral and in consideration of the effect introduced by astigmatism, the transformation properties of gaussian beams passing an astigmatic lens are studied analytically, the beam quality of astigmatic gaussian beams is analyzed in terms of the beam propagation factor ( m2 - factor ) and power in the bucket ( pib ), and illustrated with numerical examples

    基於廣義惠更斯-菲涅爾衍射積分，並考慮了像散的影響，對高斯光束通過像散透鏡后的傳輸特性作了解析研究，以光束傳輸因子和桶中功率為參數分析了像散高斯光束的光束質量，並以數值計算例加以說明。
  9. Presents the model proposed for analyzing the vibration characteristics of shrouded blades and their calculation method by employing a wave propagation theory and modal synthesis technology coupled with a finite element method from the view point it is possible not only to conduct frequency modulation of the shrouded blades of a gas turbine, but also to utilize the friction effects between them to dissipate energy, thereby attaining the aim of vibration alleviation, as shrouded blades have been widely used in the design of high - speed turbomachinery, such as modern gas turbines and steam turbines, and with the shrouded blades forming an integral whole in a centrifugal force field, the vibration characteristics of the whole ring of blades are different from those of a single isolated blade, and this makes it essential to take into account the integral effect of blade shrouds, concludes from the calculation examples and engineering application that the above approach is valid and correct along with the possibility of considerably reducing the scale of calculation and analysis, and points out it is necessary to take into consideration the coupled effect of the whole ring of blades while the dynamic characteristics of shrouded blades is being analysed

    帶冠葉片不但能調頻，還可以利用葉冠之間的摩擦效應來耗散能量，達到減振的目的.帶冠葉片在離心力場中形成一整體，其整圈葉片振動特性不同於單個孤立葉片，需考慮葉冠的整體效應.利用帶冠葉片系統的循環對稱性，提出了採用波傳播理論和模態綜合技術，結合有限元方法研究燃氣輪機帶冠葉片振動特性的分析模型和計算方法.算例和工程應用證明了該方法是效性的、正確的，並可以大大降低計算分析規模.研究表明帶冠葉片動力特性分析時必須考慮整圈葉片的耦合效應
  10. It has been shown that the complex sites have important effect on seismic wave propagation. moreover, specialists concluded from field investigation that intensity anormaly during destructive earthquakes is in accordance with local site conditions

    復雜場地對地震波傳播有很重要的影響，地震現場調查顯示，地震烈度異常區與場地條件密切相關。
  11. 3 the effect of soil layer construction on earthquake wave propagation the effect of soil layer construction on different waveform is not uniform

    3 、場地土層結構對地震波傳播的影響土層結構對不同類型的地震波的傳播有不同的影響。
  12. Effect of air refraction index by equvalent electric - field intensity in high power microwave propagation

    高功率微波有效電場強度對大氣折射率的影響
  13. Based on this, a case of typical external self - focusing effect, hot - image, has been analytically and experimentally investigated in this dissertation. the principal work is as follows. ( 1 ) intense laser beam propagation equation, the paraxial wave equation, has been derived

    論文的主要內容為如下幾部分： （ 1 ）從電磁波的基本傳播方程出發，推導了描述強激光在透明克爾介質中傳輸行為的非線性近軸波動方程。
  14. Now it has been successfully used in the propagation of more than 550 plants, showing a general effect

    他發明的植物非試管高效快繁技術被列為中國科技發展50年大事記。
  15. Hydrometeors have dominant effect on the performance of systems operating at frequencies above loghz, and the remote sensing of hydrometeors is an important subject for radio propagation, radar meteorology and atmosphere physics etc. based on the physics characteristics of rainfall, fog and clouds, the propagation characteristics and remote sensing of hydrometeors are investigated and discussed

    水凝物是影響10ghz以上頻段系統性能的主要因素，它是電波傳播、雷達氣象、大氣物理和環境遙感等學科研究的重要對象。本文基於降雨和雲霧的基本物理特性，對降雨和雲霧的毫米波傳播特性、降雨和雲霧的遙感以及霧的紅外輻射衰減特性進行了分析和研究。
  16. Test results indicated : with the hoist of altitude, the increase of ice amount and the rise of pollutant, the average flashover voltage reduced. the character exponent generally depends on the insulator profile, ice amount, ice state and pollution severity etc. by means of a high - speed camera, a data acquisition system and high voltage test facilities, a series of the flashover processes on ice surfaces were record. the experimental results form this study and the subsequent theoretical analyses suggested : the thermal ionization of the air in front of an arc root resulted in arc movement ; the electrostatic force had an auxiliary effect of impelling arc propagation ; the electrical

    通過對攝像機、數據採集系統及高壓試驗裝置記錄覆冰絕緣子表面閃絡電弧的發展過程的試驗結果進行理論分析得出：弧根周圍空氣的熱電離導致了電弧的發展，靜電場力對電弧的發展起到了加速作用，電擊穿僅發生在閃絡最終的跳躍階段；通過測量閃絡過程中的放電電壓、泄漏電流、閃絡時間、覆冰水電導率、電弧長度及電弧半徑等參數，得到了不同階段電弧（電弧起弧階段、電弧發展階段及完全閃絡）的發展速度、臨界電弧長度均隨覆冰水電導率的增加而減小。
  17. Based on the propagation law of the cross - spectral density function in the space - frequency domain, the properties of polychromatic vector gsm beams through a paraxial optical abcd system are studied. the analytical propagation expressions for the cross - spectral density matrix of vector gsm beams passing through a paraxial optical abcd system are derived, which permits us to study the propagation properties of vector gsm beams, including the propagation - induced polarization changes, effect of the spectrum bandwidth and irradiance distributions in a unique way. there are some applications of the theoretical results

    基於空間一頻率域中交叉譜密度函數的傳輸理論，研究了多色矢量gsm光束通過abcd光學系統傳輸時偏振特性的變化規律，首次推出了矢量高斯一謝爾模刑fgsm ）光束通過近軸abcd光學系統交叉譜密度矩陣的傳輸公式，並對矢量gsm光束傳輸中偏振的變化、譜寬的影響和強度的分佈等進行了統一研究。
  18. The contrast experiment of twig propagation of fast - growing castanopsis fissa by four treatments in three different cutting medium indicated : the cutting medium has a significant effect on the survival rate, the interaction of the cutting treatment and the cutting medium has evident effect on the survival rate. castanopsis fissa twig which is cut and planted at once has the best survival rate in the cutting medium of garden soil mixed with sands. it reaches 87. 5, but in the garden soil, it reaches only 70, and in other mixture, it is below 20. therefore, had better be planted in the medium of garden soil mixed with sands, and be planed after cutting at once

    速生菇木樹種? ?黧蒴栲嫩枝經過3種插床基質和4種插條處理的扦插對比試驗，結果表明：插床基質對其扦插成活率有極顯著影響；插條處理及其插床基質的交互作用對扦插成活率存在顯著影響；黧蒴栲嫩枝扦插在園土十河砂混合基質上現剪現插最好，成活率可達87 . 5 ，在園土基質上現剪現插次之，成活率可達70 ；而其它組合成活率都不到20 ，黧蒴栲嫩枝扦插生產上應選用園土或園土+河砂作為插床基質，並要現剪現插。
  19. For multicomponent chirp signals with unbalanced amplitudes, an iterative algorithm combined with the paf is proposed to suppress the error propagation effect and residual signal in the peeling - off procedure. the corresponding time - frequency distribution for unbalanced signals is derived

    針對多分量強弱信號，引入基於逐次減小誤差的迭代演算法，導出了能夠減小強弱信號相互影響的核函數設計方法，從而有效抑制誤差傳播和殘余信號。
  20. Considering the stability and continuity of face region, and the error propagation effect due to the high error rate in wireless channels, the intra - refresh method is used. the redundant data is not too much owing to the continuity, and the error propagation effect can be stopped accordingly

    由於視頻中出現的人臉具有穩定性，連續性等特點，同時考慮到無線移動通道由於誤碼率高而引起差錯傳播問題，所以採用幀內編碼宏塊刷新的方法。
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