間隔波 的英文怎麼說

中文拼音 [jiān]
間隔波 英文
spacing wave
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : partitionseparate
  • : 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...
  • 間隔 : interval; space; spacing; blanking; blank; region; distance; gap; intermission
  1. Incoordinate interval federated filtering of integrated navigation

    組合導航非等聯合濾
  2. When the sun's rotation sweeps this warped surface across the earth, we detect sudden changes in the polarity of the magnetic field.

    當太陽的自轉使這個浪形面掃過地球時,我們就會探測到磁場極性的突然反轉。
  3. The spacing of reflections is of more doubtful reliability.

    反射系的不是很可靠的。
  4. The method that absorb return circuit design used in power design and electromagnetic valve drive circuit, system power and operating supervision to mcu and redundancy and digital filter technology to the time interval to send wave and echo are used in system design to ensure the reliability and accuracy of measure and control system

    本系統在電源設計、電磁閥驅動電路中的吸收迴路設計、系統主電源和訛u運行監控以及採集的對發射與回數據採用的冗餘技術和數字濾措施,保證了測控系統的可靠性和精確性。
  5. The basic concept of siw is that it use the top and bottom layers of metal together with two row of vias is very small compared with wavelength, the dissipation loss of radiation is very small. it acts like a rectangular waveguide filled with some dielectrics, so components which can be composed by rectangular waveguide can also composed by siw such as antenna, filter, power divider, coupler, resonator

    基片集成導的基本概念是利用基片的上下金屬板和兩排一定距離的金屬孔構成導的金屬壁,由於每排金屬孔孔距遠小於長,因此由縫隙泄漏的能量很小,這相當于內部填充了介質的矩形導,所以能夠用矩形普通導實現的結構也都可以用基片集成導來實現,比如功分器、濾器、天線、耦合器、振蕩器等。
  6. Such wave fronts are separated from one another by one-half wavelength.

    這種陣面彼此半個長。
  7. 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的變化,利用常規的示器觀測同一掃描周期中兩負脈沖在時域中的變化來確定待測應變的變化。
  8. 3 - dimension parameters of 2 - 4 targets can be jointly estimated as long as the direction intervals are greater than half beam width

    在目標方位大於半束寬度時,可實現2 4個目標的三維參數聯合估計。
  9. The general nonlinear propagation equations of four - lightwaves in birefringent fibers are deduced. the characteristics of polarization mode dispersion in 4 + 10gb / sdwdm system in dispersion - flattened fibers is studied. our results show that pmd exerts a detrimental influence on 4 x logb / sdwdm system in limiting transmission rate and the channel numbers

    本論文研究分復用( wdm )系統中偏振模色散的影響,主要工作包括下面兩個部分:一、導出了四長光在雙折射光纖中傳輸所滿足的一般非線性耦合方程;在此基礎上,研究色散平坦光纖中4 10gb sdwdm系統的偏振模色散特性,並且進一步研究了偏振模色散對不同通道的4 10gb sdwdm系統的影響。
  10. On the base of above it, this paper discuss the synthesis of optimum distributed arrays by nonuniform spacing in the sense of dolph - chebyshev. having derived the equations of optimum element distribution, we analyze the exponentially spaced array, which are optimum when the elements are isotropic and equally weighted, and the array by general raised cosine function. the formulate for estimating the sidelobe envelope, beamwidth of the array pattern and clean region width are obtained

    推導了最佳陣元分佈方程,分別對陣元無方向性和等加權時的最佳分散式陣列? ?指數陣列和採用廣義升餘弦加權的最佳分散式陣列進行了分析,推導了天線方向圖旁瓣包絡、束寬度,干凈掃描區寬度的估計公式,給出了近軸旁瓣電平與陣列參數的關系。
  11. In wavelength conversion based on four - wave mixing ( fwm ) in soa, balance efficiency can be obtained in larger range when increasing saturation power of the optical amplifier and decreasing the saturation power of spectral hole burning and carrier heating

    而在基於soa的四混頻( fwm )長轉換中,在提高光放大器飽和功率的同時減小光譜燒孔( shb )和載流子加熱( ch )飽和功率可有效提高較大頻率處的轉換效率,並保持其在較大頻率失諧范圍內的效率均衡。
  12. The spectral and group delay characteristics are studied and the potential uses of this type of grating for wavelength selection and dispersion compensation are discussed. a novel scheme of oadm configuration based on linearly chirped moir fiber gratings is proposed. we have designed a lcmfg to compensate dispersions for eight channels at the same time

    在此基礎上,提出了一種新型的基於線性啁啾moir光纖光柵的光分插復用器( oadm )的結構設計方案;並設計出一種中心長、相鄰中心都符合itu規定的dwdm長標準的基於線性啁啾moir光纖光柵的多通道色散補償器件。
  13. In blasting experiments, durations of subordinate basting seismic waves and intensity of influence among them are changed by adjusting the number of subordinate blasting, explosive weigh of subordinate blasting, total quantum of explosive, interval, hole - net parameters and wave resistance of rock, etc

    摘要在爆破實驗中,通過調整段數、分段炸藥量、炸藥總量、、孔網參數、巖石阻等爆破相關因素,以改變各分段爆破地震持續時、段別爆破地震重疊程度來研究爆破地震強度與爆破相關因素的相互關系。
  14. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引入開關函數概念,建立了正弦脈寬調制( spwm )逆變器供電異步電動機,考慮主磁路飽和時的變頻調速系統整體數學模型,模擬系統的低頻振蕩;其次從逆變器-異步電動機系統能量轉換角度出發,提出通過檢測逆變器輸入電流中負電流的是否大於1 / f _ c ( f _ c為逆變器載頻率)來判定系統是否出現低頻振蕩;最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。
  15. A map with contours spaced at interval of half wavelength of the viewing light is discernable.

    以可見光的長的一半為的輪廓線是可以辨認的。
  16. But difficulty in maths will come forth when meeting high spin particles if we using such method. on base of the characteristic of energy space, we obtained the wavefunctions and geometric phase by the trial function method in this paper. the berry phase of the system are also obtained after an evolution period

    文中在絕熱近似下根據自旋粒子能級特點用嘗試函數法求出了旋轉磁場中高自旋粒子系統的函數及幾何相位,解決了用一般方法求解時出現高階微分方程的困難。
  17. And pays emphasis on analyzing the system structure and system flow, the core techniques, the channel characteristic and parameters of dvb - t system. the system adopts some core techniques such as cofdm, a lot of tps ( transmission parameter signalling ) insert and guard interval, and so on. so it can withstand high - level ( up to odb ), long delay static and dynamic multipath distortion

    論文首先描述了數字電視地面廣播的需求條件,技術難點和目前存在的問題,並重點分析了dvb - t系統結構流程,核心技術及系統通道特性和參數,該系統採用了cofdm (編碼正交頻分多路復用) ,大量導頻信號插入和保護技術等核心技術,使之能抵抗高電平( 0db ) ,長延時的靜態和動態多徑失真,有利於數字和模擬電視的混合傳輸,它的多載調制模式功能和性能在移動和便攜接收、同頻網等方面具有獨特的優勢。
  18. However, this algorithm is not fit for the detection of the signals whose frequencies are very close to each other

    但是該演算法不適用於檢測頻率很近的諧
  19. A series of lasers with about 0. 8nm spacing have been achieved. the smsr is higher than 54db

    獲得了一系列約為0 . 8nm ,邊模抑制比大於54db的激光輸出。
  20. 2 ) array of five fbgs, with a peak separation of 0. 88 nm, were written into the same 3m fiber in different positions through stretching the fiber, in the first time

    2 )首次利用光纖拉力傳感的反過程在3m單根光纖上成功地寫入5個bragg光柵列陣,每個光柵的bragg均為0 . 88nm 。
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