通用波導 的英文怎麼說
中文拼音 [tōngyòngbōdǎo]
通用波導
英文
general wave-beam guide- 通 : 通量詞(用於動作)
- 用 : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
- 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...
- 導 : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
- 通用 : be in common use; be current; apply or be used universally
- 波導 : [物理學] (用在微波波段傳輸電磁波的裝置) waveguide; duct
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The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part
本文所作的主要工作及研究成果主要有以下幾個方面: ( 1 )對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究,為建立一個較為完備的自導模擬系統提供了理論基礎; ( 2 )討論了自導系統工作過程中海洋通道對目標回波信號與目標輻射噪聲信號等的影響,建立回波信號的數學模型、環境場中的噪聲信號模型(包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲等)與海洋混響模型,模擬產生了聲自導系統基陣接收到的回波信號與噪聲信號; ( 3 )深入研究並建立了自導模擬系統的總體框架,給出各個具體功能模塊組成,討論了聲自導系統對信號的時域與空域處理,並結合模擬程序中陣列信號處理模塊,給出固定多通道波束形成的模擬實現過程; ( 4 )根據系統的模擬模型與已建立的模擬流程圖編制了通用魚雷模擬器自導系統模擬軟體,通過網路與控制系統相連,組成完整的魚雷模擬器。In optics communications, integrated diffraction grating devices based on the planar lightwave circuit ( plc ) technology are one of the most important solutions for the wavelength division multiplexing ( wdm ) technology
在光通信領域,基於平面波導技術的集成型衍射光柵器件在密集波分復用系統中以其優異的性能成為了波分復用器件的主要發展方向之一。The convergent properties of the multimode method are discussed. finally a diplexer employing h - plane t - junction and preassigned e - plane metal - insert branching filters is given. and the scattering parameters of the un - optimized diplexer were obtained by the computer program
在論文的最後部分設計了兩個e面金屬插片濾波器,並把它們作為通道濾波器和h面t形結組成雙工器,用矩形波導雙工器的分析程序對它進行了分析,給出了分析結果。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
基片集成波導的基本概念是利用基片的上下金屬板和兩排間隔一定距離的金屬孔構成波導的金屬壁,由於每排金屬孔孔間距遠小於波長,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波導,所以能夠用矩形普通波導實現的結構也都可以用基片集成波導來實現,比如功分器、濾波器、天線、耦合器、振蕩器等。A new laser source of optical communication, erbium - ytterbium codoped phosphate glass waveguide laser that was provided with more prominent performance than semiconductor distribution feedback ( dfb ) laser, has been investigated globally from 1990s. the laser can meet many rigorous demands of wdm systems. the 1. 54 m laser emitted by the laser accords with the interrelated standard of international telecommunications union ( itu ), therefore, a splendent foreground can be predicted about this kind of laser in future optical communication
基於鉺、鐿摻雜磷酸鹽玻璃基片的光波導激光器是一種新型通信光源,具有傳統的分佈反饋半導體激光器所不能比擬的優點,能滿足波分復用/密集波分復用技術對光源提出的諸多高新要求,所發射的1 . 54 m激光符合國際電信聯盟規范,在未來光通信中有著廣闊的發展前景。While simulating the resonant circuits, we finished a microstrip resonance, which has high q - factor and fits to design w - band low phase noise oscillators. select beam lead hyperabrupt junction varactor and gunn die made in china as vco ’ s frequency turning component and minus resistance
此外,文中還對w頻段微帶結構直流偏置網路、微帶波導過渡等外圍電路進行了模擬優化,設計方法和結論對毫米波微帶電路設計具有通用的參考價值。( 4 ) a high - speed communication module for ert was introduced in this system. the advantages of this communication module are rs422 / rs232 compatibility, high band rate of 921. 6kbps, noise - immunity and low cost. the module was successfully used in electrical resistance tomography
目前國內有文章報導的最高數據採集速度為50幅/秒( 3 )引入了一個適用於電阻層析成像系統的通用高速通訊模塊,該模塊支持rs422和rs232雙協議,最高波特率達到921 . 6kbps ,具有通訊波特率高、抗干擾性能好以及成本低廉等優點。Then the nonlinear coupled electromagnetic and electron motion equations were obtained from the lorentz equation. and numerical calculation and analysis of cold cavity by pic software were applied to analyze the both hot and cold dispersion characteristic of this waveguide
接下來,從電子運動方程出發得到了自洽非線性方程組,通過一階線性近似導出了螺紋波導中注波互作用色散關系,從中分析該波導超寬帶特性。Compare to the normal rectangular waveguide, ridge waveguide has the character of broader bandwidth, smaller dimension, lower equivalent characteristic impedance, etc. because of these merits, it is used more and more widely, such as broadband ridge waveguide filter, broadband direct coupler, diplexer, frequency converter, phase shifter, ridge waveguide slot antenna array, and so on
與普通矩形波導相比,脊波導具有工作頻帶寬、尺寸小、等效特性阻抗低等特點。由於脊波導本身的特點,使其得到了越來越多的應用,例如寬帶脊波導濾波器、寬帶定向耦合器、雙工器、變頻器、移相器、脊波導縫隙天線陣等等。With the development of fiber - optic communication systems and fiber - optic sensors, the linbo _ 3 integrated optical intensity modulators consisting of m - z optical waveguide and cpw modulation electrode structure get an extensively application
隨著光纖通信與光纖傳感的發展,以linbo _ 3為襯底材料、以m - z干涉儀為光波導結構、採用共面行波電極( cpw )為調制電極的集成光學強度調制器得到了越來越廣泛的應用。We simulate other structures using the commercial software cst microwave studio, we get the tendency of the change, better filtering characteristics and we gain some useful conclusions
利用電磁模擬軟體cstmicrowavestudio對其他基片集成波導結構進行模擬,得出其特點和變化趨勢,得到了較好的帶通濾波特性,得出了一些有用的結論。In the scheme of the atomic interferometer based on the uccc, we discuss the approximate solution of atomic matter wave - function in double - channel magnetic guide, and analyze the evolution of transverse wave function in the process of atomic interference and show the probability distribution after the interference
利用在u -型載流導體基礎上構建的原子干涉儀,討論了雙通道磁導引中物質波波函數的近似求解。此外,還分析了干涉過程中橫向波函數的演化,並給出了物質波通過干涉儀后的干涉條紋。This thesis in combination with the actual engineering demand, analyzes and designs a horizontally polarized triangular - grid planar phased array antenna, which composed of open - ended rectangular waveguide, the main steps of analyzing and designing are as follows : 1. at first, taking no account of mutual coupling among the array elements, classical electromagnetic theory is used to establish analyzing model for finite array, and initial value parameters of the array structure which basic satisfy the design index are got, these parameters provide reference for subsequent analyzing and design
本論文結合實際工程需要,分析和設計了一個採用水平極化方式的三角形柵格矩形波導相控陣天線,其主要步驟如下: 1 .首先,在不考慮陣列單元間互耦影響的情況下,採用經典電磁理論建立有限陣列分析模型,通過分析得到了基本滿足設計指標的陣列結構參數,為后續的分析、設計提供參考。Thick layers of silicate glasses can be formed by repetitively using this technique. waveguide structures can be fabricated by sintering the sample at certain temperature
通過多次使用這種方法可以形成厚的硅酸鹽玻璃膜層,最後樣品在一定溫度下燒結得到波導結構。As an planar waveguide component, it has many advantages, such as its small size, lower cost per port, the relatively low insertion losses, potential for volumn production and integration with active elements
作為一種平板光波導型波分復用器, awg具有很多優點:體積小,可批量生產;高通道數,大小可壓縮;較低的插入損耗;單個通道的成本低;還可以與其它功能整合。Moreover a novel approach to fabricate array of three - dimensional waveguides in pr crystals employing illuminations of a pair of mutually coherent or incoherent two - beam interference fields is proposed
並提出了利用一個雙光束干涉場以不同的角度兩次輻照晶體,在光折變晶體中寫入不同通道波導陣列結構的方法。Employing writing beams with appropriate intensity distributions and external electric fields along proper directions, arrays of planar and channel waveguides can be fabricated in various pr crystals
研究結果表明:採用合適的光場強度分佈以及合適的外加電場可以在不同光折變晶體中寫入平面波導陣列和通道波導陣列。The experiment results show that the two methods are feasible to write array channel waveguides in linbo3 : fe crystal
結果表明,採用這兩種方法在linbo _ 3 : fe晶體中寫入陣列通道波導是可行的。To illustrate the superiority of this type of transition, the author adapted the local normal mode ( lnm ) based on couple - mode theory to explain the coupling between two lowest order modes along the transition. for the two important parameters, propagation constants difference between the two modes apy and mode coupling coefficient cy, which denoting power coupling between lnms, the approximation expressions using structure parameters were worked out. then the author compared three typical different transitions according to the demanding of power coupling, at last concluded that the parabolic - type transition can transport the light in shortest length with lowest loss
對于表徵局部標準模之間功率耦合的兩個重要的參數_ ( ij ) (模式傳播常數差)和c _ ( ij ) (模式耦合系數) ,推導了用器件結構參數表達的近似公式,然後根據功率耦合的需求,在常見的三種不同輪廓的過渡區之間進行了比較,得出了拋物形輪廓過渡區能夠使光束在最短尺寸內以最低損耗通過波導的結論。And a novel approach to prepare optical masks by using spatial light modulator for light - induced various waveguides, even a whole circuits is proposed. ( 4 ) fabricating planar and channel waveguide arrays in sbn : cr, linbo3 : fe and knsbn : ce crystals under illuminations of two - beam and four - beam interferograms are detailedly investigated both theoretically and experimentally
從理論和實驗兩個方面對利用雙光束和四光束干涉形成的光場在sbn : cr 、 linbo _ 3 : fe和knsbn : ce晶體中寫入平面波導陣列和通道波導陣列的方法進行了詳細的研究。分享友人