mode spectrum 中文意思是什麼

mode spectrum 解釋
波模頻譜
  • mode : n 1 法，樣，方法，方式。2 模，型；樣式，體裁，款式；習慣。3 風尚；〈the mode〉流行，時髦。4 【語...
  • spectrum : n. （pl. -tra ）1. 【物理學】譜，光譜；波譜；能譜，質譜。2. 【無線電】射頻頻譜；無線電（信號）頻譜。3. 【心理學】（眼睛的）余像；殘像。4. 〈轉義〉范圍，幅度；（連續的）系列。
  1. We acquired the system ' s dynamic response when the satellite attitude was adjusted and the mode of the antenna. then modal analysis and dynamic analysis have been done to the satellite - antenna system by using the finite element analysis ( fea ) software of ansys. through the analysis we got the system ' s connatural characteristic, the amplitude - frequency characteristic of harmonic response, the power spectrum density of random vibration response, the maximal amplitude and resuming time of impact response

    其次藉助ansys有限元分析軟體，對系統進行了模態分析和動力學響應分析，獲得了不同天線結構參數下的衛星?天線系統的固有特性，簡諧響應的幅頻特性，隨機振動響應的功率譜密度，以及沖擊響應的最大幅值和恢復時間等。
  2. The thesis analyzes the transmitting characteristic of the uwa channel, derives the propagation losses, eigenrays and channel impulse responses of uwa channel by use of the kraken normal wave mode and the ray trace algorithm based on velocity - depth curvilinear profile approximation. based on the analysis, a scheme of auto - replying lduwarc system by means of spread spectrum technique has been designed

    論文首先分析了遠程聲遙控通道傳輸特性，分別利用kraken簡正波和射線跟蹤模型對深海和淺海水聲通道的傳輸特性進行分析，對通道的多徑結構、衰落和環境噪聲進行了計算，並在此基礎上設計了基於擴頻技術的自主應答式遠程聲遙控系統方案。
  3. The number of modes should be selected according to the participant coefficient of mode when calculating the internal force by the response spectrum method ; ( 4 ) the roof plate of large base which connect the towers together should be thick enough but not exceeding the proper scope that the towers and the large base can vibrate together, ( 5 ) in structures with large base and muti - towers, with increasing of the capacity of the large base, the inter - story shear force will increase while the inter - story displacement will decrease as to fulfill the ductility request to avoid the large base becoming weak story, but meanwhile, the upper story will turn into weak story, thus the coefficient r s should be within 2. 0 ~ 3. 0

    採用振型分解反應譜法計算結構內力時應根據振型參與系數選擇振型避免漏選；大底盤多塔樓結構連接各塔樓的裙房屋面剛度應做得大些，以保證底部裙房與上部塔樓共同振動，但也不能過剛；大底盤多塔樓結構底盤承載力的加強將使底盤層剪力增大、層間變形減小，但易於滿足延性要求，在一定程度上可避免底盤成為薄弱層。但底部加強會導致薄弱層的上移，因此採取提高底盤承載力的措施的效果是有限度的，承載力系數s宜取為2 . 0 3 . 0之間。
  4. The seism response analysis of aqueduct bridge is analyzed with modal superposition method based on response spectrum which participant mode of vibration chooses the former 1 0 steps and combinatorial method was srss

    渡槽的地震反應分析採用振型分解反應譜法，參與振型取前10階，組合方法用srss法，求得結構的地震作用效應。
  5. Finally we focus our attention on studying the emission spectrum of two atoms driven by a single - mode field in an ideal cavity. we showed that the atomic emission spectrum is insensitive to the phase of field for the two atoms initially in the coherent superposition state tf / = v2 / 2 ( j +, - ) h ? + } ), when the two atoms is initially prepared in ( fs * } = cos ( 0 / 2 ] +, + ) + sm ( 0 / 2 ) ei ' p -, - ), the atomic emission spectrum is associated with not only the field photon - number distribution and the atomic populations, but also the phases of the field and the atomic dipole

    接著考察了好腔中由單模量子場驅動的雙原子發射譜，結果表明初態為的雙原子發射譜與驅動場的相位無關；而初態為的雙原子發射譜不僅與光場的光子數分佈以及原子的布居數有關，而且依賴于光場的相位以及原子偶極矩的相位，並且在適當的條件下，壓縮真空場可將雙原子俘獲在相干疊加態。
  6. With its highly specific mode of action against a narrow host spectrum, it does not pose risks to other non - target organisms or the environment when used properly

    Bti的作用極具專門針對性，所殺滅的對象有限，如使用得宜，不會危害其他生物或環境。
  7. With the development of laser techniques, the optical cavity has played an important role on monitoring laser mode, measurement and narrowing of laser linewidth, laser mode cleaner, laser frequency stabilization, optical spectrum and cavity - qed etc., due to its advantages of ultra - low losses, high finesse and narrow linewidth

    隨著激光技術的發展，諧振腔由於其腔內損耗小、精細度高、線寬窄等特點，使得其在監視激光模式、測量並壓窄激光線寬、激光模式清潔、激光穩頻、激光光譜學、腔量子電動力學等方面起到重要的作用。
  8. The results show that, as for the single - mode transmission, the dispersion relations yet include space - dispersion ( k dispersion ) which relates to angular spectrum of fields of in - waveguide, in addition to the material - dispersion and the waveguide - dispersion

    分析結果表明：對于單模傳輸，色散關系中除了與頻率有關的材料色散和波導色散外，還應包括與輸入端光場的角譜有關的空間色散（ k色散） 。
  9. Ir spectrum analyses have demonstrated that the structure mode of the substoichiometric silicon - 53 - abstrct oxide films ( sio ~ ) can be described as a mixture of rmm and rbm x at relatively low annealing temperature. the reaction, si - si ~ o4 ~ - - - ~

    進一步升高，由a工膜的xrd圖矛前人的實驗推車如t 800硅晶化自分急后增力，相應的a七減少， nc和a七。
  10. The research interests of this group include : aborvirus diagnosis technology development and the interaction of aborvirus and mosquitoes, entomopathogenic bacteria and insecticidal gene resources, microbial genomics and comparative genomics, insecticidal proteins and their mode of action, construction of engineering strains with higher toxicity and wider active spectrum, production, standardization and the application of bio - pesticide and other microbial agents, resistance mechanism in target insects and the resistance management

    重點研究登革熱病毒、乙型腦炎病毒和西尼羅病毒的快速檢測及病毒與宿主的相互作用關系，蚊蟲病原微生物菌種及其基因資源，微生物基因組學和比較基因組學，殺蚊毒素蛋白特性和作用方式、殺蚊細菌的遺傳改良和工程菌株的構建，新型細菌殺蚊制劑的研製及野生型和重組微生物對環境的安全性評估等，發展新的生物防治技術，建立和完善以生物防治為主的蟲媒病毒媒介蚊蟲綜合防治體系。
  11. 1 ) the ground clutter is very strong when radar works in its down - look mode. 2 ) the clutter has the character of space - time coupling and the clutter spectrum spreads due to the movement of platform. 3 ) the lower repeat frequency results in doppler blur and the clutter spectrum spreads in the whole doppler domain

    地面動目標檢測的最大難點： 1 ）雷達下視時地雜波特別強; 2 ）由於平臺運動，地雜波存在著空時耦合，雜波譜展寬； 3 ）為避免距離模糊，採用較低的重復頻率，但會存在多普勒模糊，地雜波譜擴散到整個多普勒域。
  12. For baise hydroelectric station, response spectrum of mode - superposition is applied in the dynamic analysis of intake tower. the rational conclusions are obtained

    針對百色水利工程實際情況，採用了振型分解反應譜法對進水塔進行了動力分析，得出了合理的結論。
  13. A lot of papers about the report of probabilistic risk assessment of daya bay npp and system manuals has been read by the author and let as the basis. in this paper, based on the reliability analysis methods of failure mode and effect analysis and failure tree analysis, according to the result of event tree analysis of probabilistic risk assessment report of daya bay npp, the top events of the fault trees of reactor protection system and the success criteria were established. by using risk - spectrum procedure, the unavailability and the minimal cut - sets ( mcs ) of the fault trees were obtained

    本文在閱讀了大量的大亞灣核電站pra報告和各種系統手冊等資料的基礎上，採用fmea （故障模式和影響分析）和fta （故障樹分析）可靠性分析方法，依據大亞灣核電站pra事件樹分析的結果，建立了以緊急停堆失效和專設安全設施驅動失效為頂事件的故障樹，利用risk - spectrum程序，對所建的故障樹進行定量分析，計算，得到系統故障樹的失效概率和最小割集，從而為大亞灣核電站可視化風險分析軟體提供數據支持。
  14. In the paper, transmission loss, polarizing and nonlinear characters ( chiefly about srs spectrum ) in highly single mode silicon elliptical optical fiber and circular optical fiber are experimentally and theoretically researched

    本文對石英系單模橢芯和圓芯光纖的傳輸損耗特性、偏光特性、非線性特性（主要是srs譜）進行了系統的實驗研究和理論分析，給出了實驗裝置和測試原理。
  15. As a new communication mode, the spread spectrum communications are widely used in military communication, distance finding and precise position, because of its well multiaddress access, lowly capture probability, the excellent performance of anti - interference and secrecy

    擴頻通信作為新型的通信方式，以其優良的多址接入、低截獲概率特性、抗干擾特性和強保密性被廣泛應用於軍事通信、測距與精確定位。
  16. Cladding mode ' s characteristic and its affects on transmission spectrum of long period fiber gratings

    長周期光纖光柵中纖芯導模與包層模耦合分析
  17. 3d nonlinear finite element method, compatible displacement method of different mesh and response spectrum of mode - superposition are used to analyze the intake tower - intake slope static and dynamic interaction, since the complexity of geologic structure. the rational results provide a feasible way for the similar projects analysis in the future

    論文採用三維非線性有限元法、非一致網格位移協調解法、振型分解反應譜法對復雜地質條件下的百色水電站進水口邊坡與進水塔的相互作用進行了靜、動力分析，得出了一些合理的結論，為今後類似的工程計算分析提供了一種可行的方法。
  18. Using the typical moled structure glass / dbr / ito / htl / eml （ etl ） / al ， the el spectrum narrowing, intensity enhancement in the normal direction as well as emission intensity redistribution in space are observed. by the introduction of single layer silver film instead of the dbr / ito multilayer, a ( / 2 - length cavity is obtained. using this kind of microcavity, three - color single mode pl from a single material alq and three - color single mode el from double layers pvk / alq are achieved for the first time

    通過以金屬銀替代多層結構的dbr / ito ，既作為反射鏡，又作為el器件中的空穴注入電極，設計出腔長只有（ / 2的超短微腔，採用同一種寬譜帶材料alq作為光發射層，首次報道了三基色單模光致發光和pvk / alq雙層結構的三基色單模電致發光。
  19. The growth rate of inflectional instability and viscous instability also saturate similarly to the primary and nonlinearly generated disturbances. the main effect of inflectional instability mode in the final breakdown seems to interact with the disturbances having developed and thus widens the frequency spectrum to turbulent state

    屬于拐點不穩定性的高頻二次不穩定模態對最後轉捩的影響主要體現在與其它擾動的相互作用，並導致出現紊流狀態寬帶頻譜。
  20. Compare the results of the couple - mode theory, muti - films theory and the transfer matrix method, improve calculation of the delay and dispersion spectrum, 2

    比較分析了光纖光柵主流演算法的優缺點和各自的應用特點，並對時延、色散譜的計算方法進行改進。
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