coupling band 中文意思是什麼
coupling band
解釋
聯軸套-
Silicon ( si ) is the leading material of microelectronic devices, but the nature of indirect band gap of si hinders its applications in integrated optoelectronics. to develop si - based optoelectronic integration by coupling the mature technology of si microelectronic integration with si - based light - emitting material will essentially meet the increasing demand of the great progress in the information technology
硅是微電子器件的主要材料，但硅的間接能隙特性嚴重製約了其在光電子領域的應用，如果能在硅基材料的基礎上制備發光材料，就可利用已有成熟的硅集成技術發展硅光電子集成，從而有可能完全改變信息技術的面貌。 -
The result shows that the pbg structure has obvious character of forbidden band at the suitable size, and can be designed to good performance microwave filter. the pbg structure have the character of high resistance, that can reinforce the forward radiation, and reduce the backward radiation, increase the directivity, improve the gain and ameliorate the performance of the antenna. in addition, the pbg structure can also greatly increase the isolation and significantly decrease the coupling between the antenna elements
研究結果表面，取合適的尺寸時， pbg結構具有明顯的禁帶特性，可以設計成性能良好的微波濾波器； pbg結構具有高阻特性，把這種特性用於微波天線時， pbg結構可以加強前向輻射，減小後向輻射，增大天線的方向性系數，從而提高天線的增益，改善天線的性能，另外， pbg結構還可以大大提高天線單元之間的隔離度，顯著減小天線單元間的耦合。 -
Based on the band transport model, the formation of refractive index grating in photorefractive crystal is discussed firstly. then the characteristics of two - wave coupling, four - wave mixing and light - induced scattering are analyzed
本文主要從實驗上研究了cu ： knsbn晶體的自泵浦相位共軛特性及cr ： sbn晶體的四波混頻相位共軛特性及其應用。 -
Then the design methods of the parallel coupling sir band - pass filter has been discussed, and analysed the different characteristic of the sir resonator with the different impedance rate
之後，用sir的原理討論了平行耦合帶通sir濾波器的設計方法，並分析了不同阻抗比的sir濾波器之間特性。 -
From three - wave coupling equations, the optimal crystal length, conversion efficiency and parametric light pulse width are computed numerically when clbo is used in picosecond optical parametric amplification. the results present that clbo are suited for optical parametric amplification in short wave band. in order to get higher conversion efficiency, the crystal length should be optimized according to the intensities of pump and signal waves
從三波耦合方程出發，對clbo用於皮秒級光參量放大時，最佳晶體長度、轉換效率和參量光的脈沖寬度進行了理論分析和數值模擬，結果表明clbo晶體適合在短波范圍作光參量放大，為達到高的轉換效率和窄脈寬的信號光輸出，泵浦光和初始入射信號光的強度應根據晶體長度取最優化值。 -
This paper studied the dispersion and the field distribution of the wave - guide with helical corrugation operating in 8mm wave band. the main works of this dissertation are listed as following : 1. based on the theory of coupled - wave, using the method of perturbation, the coupled - wave equations are derived and the rule of coupling is gotten. 2
2 .利用螺旋波紋波導的耦合波方程和模式耦合規則，得到波導色散方程，利用visualfortran平臺編程進行數值模擬，分析相關物理參數對色散特性的影響;對波導的行波幅值耦合方程進行數值模擬，從而簡化了耦合方程，在此基礎上利用visualfortran平臺編程進行數值模擬，分析螺旋波紋波導的場分佈情況。 -
The first, the effect of the sizes of coupling slots in a coupling double gap cavity on the cavity characteristics is studied through simulation computation of three dimensions electromagnetic field and analysis of equivalent lumped element circuit. it is concluded by the research that, in lower frequency band, bigger coupling slots in a coupling double gap cavity are beneficial to raising the characteristic impedance and lowering the frequency of it mode
第一，採用三維電磁場模擬計算方法和集中元件等效電路法研究了耦合雙間隙腔中耦合槽尺寸對諧振腔性能如何影響等問題，得出了重要結論：在較低頻率波段，耦合雙間隙腔中開大耦合槽有利於提高模的特性阻抗，降低模頻率。 -
The third, some groping researches are made on broadband coaxial line filter output circuit of klystron. a broadband output circuit - mode four coupling slots double - gap output cavity loaded with coaxial filter, which has a workable relative bandwidth bigger than 14 % and fits in with l - band multi - beam klystron, is designed. meanwhile some analysis of its stability and peak power capacity is made
第三，對速調管同軸線濾波器寬帶輸出迴路進行研究和探索，設計出了一個適合用於l波段多注速調管、相對帶寬超過14的四耦合槽模強耦合雙間隙腔加載同軸線濾波器輸出迴路，並對其穩定性和峰值功率容限做了一些分析。 -
Over - the - horizon radar ’ s beam - frequency is high frequency band and its wavelength is so long that the annate ’ s characters are very complicated when applicated on the ship. the character of coupling between cells and the environment must be measured to compensate in the radar signal process step. the ship - based over - the - horizon radar uses cfa ( crossed field antenna ) as array antennas ’ cell
艦載超視距雷達使用高頻信號作為發射頻率，其波長較長，在艦船有限的空間內，陣列天線的陣元之間的耦合與陣元與背景之間耦合都十分嚴重，必須測量陣列天線通道的幅相一致性，作為雷達信號處理的補償參數。 -
Finally, in view of the absorbed po ~ ver of the terminated load and the realizablity of couplers, a proper eclectic distribution of coupling degree of couplers is computed synthetically. 2. a small, light, compact, ~ vide band and high performance h - t coupler with lognitudinal dualslot is presented
根據天線方向圖要求，確定陣面的口徑分佈，在此基礎上，結合慢波線終端負載的吸收系數，以及耦合器耦合量的可實現性，綜合折中考慮，計算選擇出合適的耦合器耦合度分佈。 -
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。 -
As analyzing the electromagnetic scattering characteristics of two - dimensional electrically large conducting objects, the object is divided into some small regions by using spatial decomposition technique ( sdt ), but still consider the coupling effect among all the regions, the surface current and rcs of the object can be computed with progressive iterative numerical method ( pnm ). then the wide - band electromagnetic scattering characteristics of two - dimensional electrically large conducting objects are analyzed with the asymptotic waveform evaluation ( awe ) technique
文中應用空間分解技術（ sdt ）將二維電大導體目標在空間中分解為若干子區域，考慮子區域間的耦合，採用累進迭代方法（ pnm ）快速計算表面電流和雷達散射截面，然後與漸近波形估計技術（ awe ）結合分析了二維電大導體目標的寬帶電磁散射特性。 -
Since the coupling line brings about an additive inductance in cutoff waveguide filter, which makes the quality factor bigger and resonant band narrower, it - mode double gap cavities are not more advantageous to achieve wider band than the single gap cavities loaded by cutoff waveguide filters
因此，模雙間隙腔加載截止波導濾波器型輸出迴路並不比單間隙腔加載截止波導濾波器型輸出迴路有更好的帶寬優勢。 -
In this paper, the evolution equations of the parameters of the optical soliton pulses were derived by means of variational method, in order to investigate the influence of the fifth - order nonlinear effect on the transmission properties of optical soliton in the coupling fiber, and the effects of the fifth - order nonlinearity were discussed on amplitude, frequency band width, chirp, frequency, center position and phase
摘要運用變分法導出五階非線性作用下孤子的參數演化方程組，研究五階非線性耦合光纖中孤子的傳輸特性，討論五階非線性效應對孤子的振幅，頻寬，啁啾，頻率，中心位置及相位的影響。 -
So a new kind of microwave cavity - mode strongly coupling double gap cavity, which has higher characteristic impedance, smaller volume and fits in with lower frequency band multi - beam klystrons, is proposed
並提出了一類新型的、具有較高特性阻抗和較小體積的低頻率波段多注速調管輸出腔?模強耦合雙間隙微波諧振腔。 -
Then, after the structure and characteristic of awg is described in brief, we put emphasis on the deduce of the dispersion equation of ufbgs in the vicinity of its reflection band gap ( rbg ) in light of coupling theory. in terms of this equation, the dispersion compensation of the optical signal in every channel in the wdm system, which has eight channels, is calculated and analyzed theoretically. during the course, some important parameters of ufbgs in the compensator are computed
在簡要敘述了陣列波導光柵的結構及其特性后，著重從光纖光柵耦合波理論導出了均勻光纖光柵在反射帶隙（ rbg ）外附近的色散特性方程，並根據這一特性方程，對8通路的wdm系統中各分亡巴八碩士學位論文tinv坯1 ： e 』 sthe狠波光信號的色散補償進行了數值計算與分析，由此確定補償器中各均勻光纖光柵的相關參數。 -
For all doping concentrations, the coupling between cr and the nearest neighbor n is found to be antiferromagnetic, and the cr 3d states hybridize strongly with n 2p states, which are in agreement with the band calculations
對于不同的摻雜濃度， cr原子與最近鄰n原子之間均為反鐵磁偶合， cr原子的3d電子與n原子的2p電子之間有很強的雜化，這和晶體的能帶計算方法得到的結果一致。
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