無周期波 的英文怎麼說

中文拼音 [wúzhōuqībō]
無周期波 英文
aperiodic wave
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 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...
  • 期 : 期名詞[書面語]1. （一周年） a full year; anniversary 2. （一整月） a full month
  • 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. 3. passive and active time - domain demodulation schemes were demonstrated based on a fiber bragg grating used as a tunable filter controlled by a piezoelectric stack, which was driven by an electrical sine wave signal. the measured strain applied on the sensor axially could be judged by observing the interval of the output between notches within a driving period in time - domain

    利用匹配濾波技術，分別採用無源和有源方式，藉助受pzt驅動的解調光柵，將待測應變信息變為時序負脈沖間隔的變化，利用常規的示波器觀測同一掃描周期中兩負脈沖在時域中間隔的變化來確定待測應變的變化。
  2. The fourth chapter " reseach on fractai structure of stock price " anaiyzed the fractai structure of stock price, deduced the investment function, caiculated the hurst exponent, 3 correlation dimension, and max lyaponov exponent, analyzed the self - similarity, long range dependence, circulation period of stock price and sensitivity of stock price to the initial value, suggested took the exponent characterize fractal instead of variance as instrument to measure risk

    第四章分析並檢驗了股票市場的分形混沌特徵，推導了投資函數，計算了表徵股票市場分形特徵的hurst指數，關聯維和最大lyapunov指數，分析了股票價格的自相似性、長期記憶和循環周期，分析了股票價格的波動對初始條件的敏感性，提出中國股票市場具有混沌分形的特性，用傳統的方差法度量股票風險是無效的，必須使用混沌分析能夠理論來刻畫股票收益的風險，建立收益模型。
  3. At present, people usually use birefrigence and quasi - phase - matching methods to achieve higher effiency in the process of conversion. a significant advantage of quasi - phase - matching method is that the interaction is occurred through the largest element of the x ( 2 ) tensor ; the period of optical superlattice can be designed randomly, and any interaction can be matched without walk - off angle ; they are fitted to be used in frequency conversion of lower power especially. the quasi - phase - matching method has some advantages over birefrigence method, improving the efficiency of frequency conversion ; the range of frequency conversion covers its whole transperant wavelength

    由於準相位匹配技術有其獨特的優勢，可以利用非線性光學晶體的最大二階極化張量，如ppln 、 pplt 、 ppktp用的非線性極化張量都是d _ （ 33 ） ，其有效非線性系數高出普通非線性光學介質（如bbo 、 lbo 、 ktp ）一個數量級，而且可以人為靈活設計調制周期，通過周期設計其頻率變換范圍可以覆蓋準相位匹配介質的整個透明波段，選擇無走離效應，解決了常規pm難以解決的問題，拓寬了非線性晶體的應用范圍，極大地提高了頻率轉換效率，已成為非線性光學材料和固體激光器的研究熱點之一。
  4. We get the estimates of the upper bounds of hausdorff and fractal dimensions for the global attractors. in section 5. 3, the cauchy problem is studied, by using the weighted function space and the interpolating inequality, the existence of the global attractors for the damped generalized coupled nonlinear wave equations in an unbounded domain is proved. in section 5. 4, the time periodic solution problem of damped generalized coupled nonlinear wave equations with periodic boundary conditions is studied, the existence of time periodic soluation of this problem is proved by using the convergence of approximate time periodic solution sequences

    第五章，考慮了一類廣義耦合的非線性波動方程組，在第二節中討論了周期初值問題，證明了整體光滑解的存在性和唯一性，得到了整體吸引子，給出了hausdorff維數和分形維數的上界估計；在第三節中討論了cauchy問題，利用加權函數和加權空間的插值不等式，證明了無界區域上整體吸引子的存在性；在第四節中證明了時間周期解的存在性。
  5. Such an expansion reduces the original problem to a set of linear algebraic equations from which the solution in the interval of one period can be obtained

    無論哪種諧波平衡法，最終得到的是一組復雜的非摘要周期時變凸輪系統的動力行為研究線性代數方程組。
  6. After initial installation, a discharge from the relief valve opening may occur due to inadequate initial flushing of pipe lines to eliminate dirt and pipe compounds

    注：在閉端應用環境，如鍋爐給水管道或冷卻塔補水管道，由於在靜態或無流動期間，供應壓力有所波動，因此安全閥可能發生周期性排放。
  7. This kind of reflectors possessed the advantages of the traditional reflectors and the phased arrays. the reflectarray is made up of lots of resonant elements. when the feed radiate the reflectarray, the reflected wave could be focused at some desired direction owing to the adjustment of each element

    這種陣列反射天線具有反射天線和陣列天線共同的優勢，它的基本結構就是由大量的無源諧振單元組成的單屏或多屏周期性陣列，然後由一個饋源照射這個天線，通過調節介質板上每個單元對于入射波的散射相位，使得反射波在特定的方向實現同相位，發射出方向性極強的筆形波束。
  8. In order to instantly and real time eliminate harmonic and compensate reactive power, the definition of traditional reactive power, an integral average during a period, which is confined to apply under some circumstances. for example, when the load power varies swiftly, it will lead to can " t compensate reactive power rapidly

    為了實時、快速的補償無功功率和消除諧波，傳統的基於平均值計算出來的功率因數，是以一個周期內積分而得出來的平均值，這在某種情況下就限制了它的應用，如系統負載功率快速變化時，就不能做到迅速、實時地補償無功。
  9. By using the theory of planar dynamics system to a class of coupling nonlinear equations, the existence of uncountably infinite many smooth and non - smooth periodic wave solutions and solitary wave solutions is obtained. under different parametric conditions, various sufficient conditions to gurantee the existence of the above solutions are given

    研究了一類廣義耦合非線性方程的行波解分支，得到了該方程的無窮多光滑與非光滑周期波的存在性，並在各種不同的參數條件下，給出了保證該方程上述解以及孤波解存在的充要條件。
  10. Using the plane wave expansion method, from the computation result for the band gaps structure of infinitd periodic one dimension phononic crystal, it is found the width of the first gap relates with the material portion ratio

    利用平面波展開法，計算一維無限周期結構聲子晶體的帶隙結構，發現每一帶隙的寬度與材料的組份比有關。
  11. We consider the traveling waves of a delay cnn system with the output function f given as a non - linear function in the latter. we show the existence of monotone traveling waves solutions and describe the global structure of traveling waves such as monotone, damped oscillation, periodic oscillation and unbounded etc as the wave speed c is classified in r

    第二部分我們考慮具時滯非線性cnn系統模型，得出方程單調行波解存在，並將波速c r分成若干個區間，得出c在各個區間時行波解曲線相應的類型包括單調、衰減振動、周期振動、無界等類型。
  12. The leasders should improve the key competitive ability to make the enterprises get the invincible ( advanced ) position in the complicated and fierce market competition through establishing the strategy and bring it into effect. according to the environmental theory, demand theory, potter ' s theory, product lifecycle theory and other relative theories, the thesis has completely and externally analyzed the product market situation of cmrc, made sure of the product orientation, found out the strength and weakness of the enterprise, based on which established effective strategy to provide decision - making reference for the enterprise development

    本文運用市場營銷學中的環境理論、需求理論、波特理論、產品壽命周期理論以及有關的戰略理論，對成都中菱無線通信電纜有限公司（簡稱中菱公司）的產品市場進行較全面、客觀的分析，確定企業產品的定位，指明企業的優劣勢，提出有關的市場營銷策略，在此基礎上制定切實可行戰略，為企業發展提供決策性參考。
  13. The optimization of the codes are usually quoted for the autocorrelation sidelobes, namely, the outputs are the autocorrelation sidelobes of codes which are not moudulated by the signals

    通常的偽碼優選考慮編碼的周期自相關旁瓣，即無符號調制時編碼匹配濾波器的輸出旁瓣。
  14. Thus in terms of the structure of interest rate periods in micro financial market, a macro analysis of the long - term economic fluctuation in our country slams that the relative variables following the transition from rise to fall of economic operation periods distribute respectively in rate of inflation > nominal interest rate > actual interest rate and rate of inflation > nominal interest rate > actual interest rate, the reason of which lies in the adjustment of nominal interest rate falling behind the wave of inflation rate both in time and in scale

    將微觀金融市場的利率期限結構方法引入中國長期經濟波動和宏觀分析，會發現經濟周期上行和向下轉折之後相關變量間分別存在通貨膨脹率名義利率實際利率和通貨膨脹率名義利率實際利率，其原因在於名義利率調節無論在時間和幅度上都落後于通貨膨脹率變動。
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