波導模擬器 的英文怎麼說
中文拼音 [bōdǎomónǐqì]
波導模擬器
英文
waveguide simulator- 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
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 擬 : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 波導 : [物理學] (用在微波波段傳輸電磁波的裝置) waveguide; duct
- 模擬器 : emulator
- 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
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The characteristics of various solid - state power - combining techniques and the principles of the waveguide - based power combining structure are compared and analyzed in detail. the power combiner is based on a double antipodal finline - to - microstrip transition structure. the proposed 2 2 combining structure is optimized by using 3 - d fields simulation tools cst
主要內容為: 1 .研究和對比了各種固態功率合成技術的特點,詳細地分析了波導基空間功率合成器的工作原理,提出了一種基於雙對極鰭線-微帶過渡的2 2路毫米波功率合成器結構,藉助三維場模擬軟體cst對該無源網路進行了優化設計。Dichroic beam combiner ( dbc ) used for hwil simulator is the key technique of the mmw / ir dual mode simulation
毫米波/紅外雙模成像制導模擬用二向色鏡,是用於毫米波/紅外雙模成像模擬技術的關鍵器件。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。The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro
激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。Two kinds of filters are presented : by transferring the conventional waveguide cavity filter to the siw, a narrow bandstop filter is designed and simulated, get characteristic of narrow - band bandstop filtering. for example, relative bandwidth 1. 2 %, most attenuation of 48db in band. electromagnetic bandgap ( ebg ) structures present “ forbidden band ” characteristics, siw features high - pass characteristics, so bandpass filters can be composed by combing ebg and siw
本論文提出了兩種基片集成波導濾波器結構:將傳統的腔體濾波器概念運用於基片集成波導結構,設計出了一種窄帶帶阻濾波器,對其進行模擬,得到了窄帶帶阻濾波特性,如相對帶寬為1 . 2 % ,最大衰減為48db 。Using the particle - in - cell ( pic ) model, a 8 millimeter relativistic backward wave oscillator underlying superradiance mechanism was gotten, the influence on both operation frequency and radiation efficiency of the guiding magnetic field, the diode voltage, the beam current and the beam radius as well as the corrugation structure were also presented
採用pic方法,通過數值模擬優化設計了超輻射狀態下的8毫米相對論返波振蕩器,分析了引導磁場、二極體電壓、電子束流、電子束半徑、周期慢波結構等對器件的輻射功率及輻射效率的影響。As we have introduced a multilevel decision method with discriminator detection to improve the error rate performance, the deducing and analyzing for this method are present in this article. the theoretical error rate and the monte carlo simulation result are showed in figure to compare the system error rate performance affected by different premodulation filter
在系統誤碼模擬中引入了一種有助於改善誤碼性能的鑒頻加多電平判決的解調方法,文中對此方法也進行了詳細的推導和分析,並給出根據此方法計算出的誤碼理論值,結合系統誤碼性能的蒙特卡羅模擬值,對比分析各種預調濾波器對系統誤碼性能的影響。Based on an engineering background, through numerical simulation of the flow field in the hp turbine of the energy efficient engine ( e3 ), the article research the unsteady flow in a transonic turbine stage, the unsteady phenomena in the stage include the shockwave, wake, shedding vortex, endwall vortex, passage vortex and leakage vortex, etc. there are two shockwaves generated on the vane the tailing edge, one on suction side is named moving shockwave, and name another on pressure side steady shockwave
本文首先對于研究的意義和國內外研究的現狀做了簡要的介紹,再從某工程背景出發,通過對e3發動機高壓渦輪內流場的數值模擬,研究了干涉的周期性的問題,以及渦輪級內常見的非定常現象:激波、尾跡、脫落渦、根腳渦、通道渦、漏流渦。導向器尾緣會出現兩道激波,在吸力面的激波可稱為「運動」激波,壓力面的激波可稱為「定常」激波。( 4 ) applying measurement noise automatic weighting kalman filter to the guidance of line - guidance torpedo, we compromised target information and torpedo information, which in turn come from sonar of guidance station and inertial measurement units of torpedo
( 4 )將多傳感器量測噪聲自動加權卡爾曼濾波應用在線導魚雷制導中,融合來自製導站聲納測量到的目標信息和來自魚雷慣性測量組件的魚雷位置和姿態等信息進行了模擬研究。After that, we advanced a new optimized fd _ bpm arithmetic. using of this new optimized fd _ bpm arithmetic, we developed numerical simulation program to simulate the waveguide and finish the template by those simulation results. then we analyzed the interdigital transducer ( idt ) and acquired the device parameters
然後提出了一種改進的有限差分光束傳輸法( fd _ bpm )演算法,利用此演算法對器件所需的波導進行了優化模擬計算,根據這些優化值設計製作了光刻模板Then, establish electric field and magnetic field matching equation of space and plate wave - guide. program about slice - grating - circular polarization. analyse its transmit characteristic and polarization characteristic
然後運用單極模匹配方法建立空間場和平板波導場的電場和磁場匹配方程,編制分析薄片型光柵圓極化器的程序,得到模擬結果。3. after the parameters of the array structure are got, simulation software, such as cst microwave studio, cts design studio and ansoft hfss, are used to design the power dividers for the radiation units in the horizontally polarized direction of the array. these power dividers adopt structure of coupling slots in the narrow side of main rectangular waveguides, in which the narrow side of the main waveguide and the broadside of secondary waveguides are crossed at locations of each slot
3 .在得到滿足指標要求的陣列結構參數后,採用cstmicrowavestudio 、 ctsdesignstudio和ansofthfss等電磁模擬軟體對陣列在水平極化方向的行饋功分器進行模擬設計,該陣列的行饋功分器採用波導窄邊單縫耦合饋電結構。The program are compiled in matlab language. the program include inertial device ideal simulation block > inertial device error simulator block, strapdown inertial navigation calculator block, doppler calculator block, kalman block and so on. the different block can be used for inertial navigation simulation, doppler simulation and so on
用matlab語言編寫了水下航行器導航系統的模擬程序,這個程序包括:慣性器件輸出理想值模擬模塊、慣性器件誤差模擬模塊、捷聯慣導計算模塊、多普勒導航計算模塊、卡爾曼濾波模塊,可根據不同的需要進行純慣導狀態模擬、多普勒導航模擬、組合導航模擬。Computer simulation to switching characteristics of nonlinear wave - guide couplers
非線性波導耦合器開關特性的計算機模擬Second, the mode fields of a strip waveguide and some slab waveguides have been simulated by applying finite - difference time - domain ( fdtd ) method. the curvature radius ; vicinity coupling ; transition loss and power attenuation of a s - shape bend waveguide have been analysed numerically by employing wide angle finite - difference beam propagation method ( fd - bpm ), as well as the coupling loss of optical fiber and waveguide. in addition, the framework of the s - shape waveguide laser has been
其次,應用時域有限差分法,結合波導模式理論對條形與平面波導進行了模場模擬;應用廣角有限差分光束傳播法,對s形彎曲波導的曲率半徑、鄰近耦合、過渡損耗、功率衰減以及波導與光纖的各種耦合損耗進行了數值分析,並在此基礎上,對s形波導激光器的結構作了初步設計。Abstract : a general bpm simulator for optical waveguides is presented in this paper. this system includes three tools : the effective refractive index calculation tool, the waveguide mode solution tool, and the beam propagation method simulation tool. this system is very useful for the optimal design of the linear optical waveguide devices
文摘:介紹了一個光波導器件計算機輔助分析系統,該系統集成了3個實用工具:光波導有效折射率計算工具,光波導模式求解工具和三維復折射率全矢量有限差分束傳播法模擬工具.本系統用於線性波導器件,模擬光在波導中的傳播過程,從而可以優化設計波導器件,探索新結構器件The analytical result of the tir mirror shows that this type of awg device with tir mirrors has high fabrication tolerance. the tapered waveguide and the output waveguide of the device are designed and improved. simulation results indicate that introduction of tapered waveguides with different widths and design improvement of the output waveguide can both improve the performance of the awg device
對全內反射鏡的分析表明這種全內反射型的awg器件具有較高的製作容差;改進設計了awg器件中的楔形波導和輸出波導,模擬結果表明不等寬楔形波導的引入可以改善awg器件的性能,對輸出波導進行改進設計同樣可以提高awg器件的性能。The paper is concerned with the eigen functions of optical fields in dielectrics, the theories of optical waveguide eigen mode, the characteristics of optical waveguides diffracted field, the theories of mode coupling in optical waveguides and the spectral response theories and simulating method for arrayed waveguide grating. in this paper, a set of beam propagation theory based on eigen modes analysis is set up which afforded theoretical basis for designing and analyzing awg devices. experiment of fabricating sio _ ( 2 ) layer by using porus silicon is also carried out in this paper, which is a new method for fabricating waveguide cladding layer
本文以設計陣列波導光柵器件為目標,對介質波導光場的本徵波函數,光波導本徵模理論,光波導衍射場特性,光波導模式耦合理論和awg器件的光譜響應特性及模擬方法進行了深入研究,建立了一套基於本徵模式場分析的光波導光束傳輸理論,為波導器件的設計提供正確的理論基礎,並嘗試了利用多孔硅生長厚的二氧化硅,用於製作波導包層材料。An efficient fdtd scheme which deals with the bolt tuner in waveguide power divider is described in this thesis
對于分析過程中遇到的波導功分器件上的調配螺釘的模擬計算,文中也給出了比較有效的fdtd建模方法。In addition, this paper has analyzed and calculated the wave - guide mode theory, got the quantum well laser photic - field distribution ' s fluctuation equation, deduced the far - field distribution ' s mathematics model by the method of stepwise approached, and simulated the near - field and far - field about the laser with computer software. we utilized a pair of mode expand layers which can restricted in photic - field to narrowed the far - field comer about quantum well laser material structure ( the corner was about 21 ?
另外本文還對光波導模式理論進行了理論分析和計算,得到了量子阱激光器光場分佈的波動方程,利用逐步逼近的方法推導出了遠場分佈的數值模型,通過計算機軟體模擬出了激光器遠近場分布圖,並利用模式擴展層對光場的限製作用得到了窄遠場發散角(約為21 )的量子阱激光器材料結構。分享友人