長周波 的英文怎麼說

中文拼音 [zhǎngzhōubō]
長周波 英文
long-period wave
  • 長 : 長Ⅰ形容詞1 （年紀較大） older; elder; senior 2 （排行最大） eldest; oldest Ⅱ名詞（領導人） chief;...
  • 周 : Ⅰ名詞1 （圈子; 周圍） circumference; periphery; circuit 2 （星期） week 3 [電學] （周波的簡稱） c...
  • 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...
  1. The seismic signals detected enabled the determination of the epicentres of intense earthquakes when analysed with data obtained by seismographs in other countries. the long - period seismometer now in use at the hong kong observatory headquarters has been in operation for nearly 50 years, since the international geophysical year of 1958

    香港天文臺計劃明年購置一臺寬頻地震儀取代長周期地震儀，令地震波的分析及地震定位更精確，亦可收集更豐富的地震數據供建築工程界使用，寬頻地震儀對0
  2. These anomalies might be due to the temperature variation of subsurface fluid that caused by transmission of long cycle waves through upper mantle or asthenosphere before the earthquake

    水溫異常出現的原因可能是由於地震前的長周期波通過上地幔或軟流層傳播，間接地導致了地下流體溫度發生了微小的變化。
  3. The transmission of chirped long - period fiber gratings

    三包層長周期光纖光柵諧振波長與薄膜光學參數的關系
  4. The study of the resonant wavelengths of long - period fiber grating with langmuir - blodgett thin - film overlay

    關于鍍有lb膜長周期光纖光柵的諧振波長的研究
  5. 3. the coupled - mode theory and matrix theory of lpfg have been studied. based on the erbium - doped fiber which has been chosen for edsfs, smf - 28 of corning corporation and photosensitive fiber of coractive corporation, the optimum fiber grating period, length, the maximum cross transmission wavelength and the relation

    3 .推導長周期光纖光柵耦合模理論及矩陣理論，結合幾種不同的光纖，包括課題中的摻鉺光纖、 corning公司的smf - 28單模光纖及加拿大coractive公司的光敏光纖，利用matlab7建模並結合已確定的長周期光纖光柵的透射譜來優化長周期光纖光柵周期、長度、諧振波長等幾個參數及它們之間的關系，用來指導和優化光纖光柵的製作。
  6. The obtained results indicate that compared with the clay layer, the liquefied sand layer takes a decreasing effects on the short period component of the surface ground motion and the effects increase with increasing of the thickness 、 depth and width of the liquefied sand layer ; the liquefied sand layer takes a increasing effects on the long period component of the surface ground motion but the effect is not obviously ; to the input earthquake wave, the demarcation point of strengthens and weaken is about 0. 6s

    主要結論為:和同樣的粘土層相比，液化層的存在對地表上地震動的短周期分量主要起減弱作用，且減震效果隨著液化層埋深、厚度的增加而變強;對長周期分量主要起加強作用，但是效果不太明顯;對所輸入的地震波來說加強減弱的分界點所對應周期為0 . 6s左右。
  7. The variation of wave - induced nearshore current fields and long period oscillation of water surface result in sediment transport, resonance of harbors, ship failures, diffusion of pollutants and difficult sea rescues, drawing scientific researchers " concern

    由波浪產生的近岸流場的變化和水面的長周期振蕩，導致泥沙遷移，港口共振，船舶失事，污染擴散，海上救生困難，這些都已經引起了科研工作者的廣泛重視。
  8. The primary incident wave period has a minor effect on the long period oscillations in hwa - lien harbor, and the incident wave energy merely acts as an amplifier affecting the magnitude of the oscillations

    顯示其發生機制中，波浪的主頻相關性不大，而波浪能量可能僅是增幅的作用；並非臺風波浪作用才會發生長周期振蕩。
  9. The concepts for the long period oscillation improvement in hwa - lien harbor include destroying the wave field structure of the incident waves, reducing the incident wave energy, and dissipating the energy of long period wave in the harbor

    至目前為止，有關花蓮港長周期振?多認為集中於?風作用時期，而改善的構想則大致有：破壞入射波的波場結構、削減入射波能、以及消散港內的長波能量。
  10. The optimization of the position and amplitude of the lpfg in the edf is also investigated. on the other hand, the edfa with 1db gain flatness is demonstrated by using the lpfg as a gain equalizer, and this novel gain equalizer inserted in the er - doped fiber ( edf ) increases the gain by 1. 5db

    首次利用這種新型濾波器作為edfa的增益平坦器，獲得了小於1db的增益平坦度。 5 、研究了長周期光纖光柵的特殊應用，提出了利用長周期光纖光柵對外界折射率的敏感特性可製成調制器和光開關的設想。
  11. The main content of chapter 1 are the analysis of the repetition of the historical phenomenon of money supply fluctuation since the foundation of new china and the discussion about the nature and features of the money supply fluctuation in our country, as well as the fluctuation period, amplitude, frequency and component stages on each cycle

    緒論部分包括文獻綜述、研究方法和邏輯體系。第一章從我國建國以來貨幣供應波動的歷史資料入手，考察了我國貨幣供應波動的性質、特點和各波動周期的長度、波動幅度、頻率及組成階段等。
  12. Those harddisks are used to save exceedingly long period wave data due to their huge storage capability

    硬盤用作信號數據儲存介質，由於其大容量，可以儲存超長周期的信號波形。
  13. These phenomena could be caused by the effect of long - period wave generated from a large earthquake on far - field

    這些可能是大震的長周期波在遠場的效應所致。
  14. From wave equation, under small signal approximation, a theoretical calculation of shg efficiency and acceptances is presented. according to this, the acceptances of wavelength, period, temperature and incidence angle are calculated. these will guide the experiment and the fabrication of optical supperlattice ( osl )

    2 、從波動方程出發，在小信號近似下，推導了qpm倍頻公式，分析了波矢失配的起因及影響，從理論上推導了波長，周期，溫度和入射角的接收帶寬，討論了占空比對輸出效率的影響，對介質制備及實驗有一定的指導意義。
  15. Trouble wave record function : can record the current 、 voltage 、 state of breaker and protection information before 、 in and after troubles completely and really, the recorder length is 100 cycles, offer the trouble analysis evidence for the customers

    故障錄波功能：可將故障前、故障中、故障后的電流、電壓、斷路器狀態和保護信息完整真實記錄下來，記錄長度100個周波，為用戶進行故障分析提供依據。
  16. With this experimental system, the influence of short cycle fluctuation of the space environment on thermal control system is investigated and the method that reducing the experimental simulation time is tried and analyzed. the experimental results are used to validate the numerical emulational platform

    利用該系統，本文實驗模擬了熱輻射環境的短周期波動對熱控制系統造成的影響，用壓縮周期的方法模擬了熱輻射環境長周期波動的影響並進行了分析。
  17. This platform is then used to study the temperature distribution and fluctuation of module ' s wall, the fluctuations of thermal control system, temperature and humidity in the cabin for the short and long cycles of the thermal environment changes. this thesis suggests a temperature control method for cooling loops, a temperature and humidity control method of the cabin air and simulates their effectiveness

    用該平臺模擬了艙壁的溫度分佈及波動特點，研究了熱輻射環境的短周期和長周期波動及艙內熱負荷波動對熱控制系統及艙內空氣溫度、濕度造成的動態影響；給出了熱控迴路溫度控制方法，利用最佳去濕流量的概念提出了具有回熱流程的艙內空氣溫度、濕度控制方法，對控制效果進行了動態模擬。
  18. On the other hand, the calculation on difference earthquake wave show : the spectrum of earthquake wave will affect dynamic property of structure like long period of xiao wan dam

    另外，不同性質的地震動輸入所得的計算結果表明，地震波的頻譜特性對于小灣大壩這樣的長周期結構的動力反應特別是位移反應有明顯的影響。
  19. Ideas about applications of lpfg to band - pass filters, optical add / drop multiplexing, optical fiber sources, coupling of fibers, optical fiber polarizers and novel sensing are illustrated

    闡明了長周期光纖光柵用於帶通濾波、光上下路復用、光纖光源、光纖耦合、偏振器件、新型傳感等新技術領域的思路，給出了具體實現方法。
  20. In addition to amplitude and wavelength, a periodic wave is characterized by its frequency

    除了振幅和波長，周期波有其固有的頻率。
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