waveguide simulation 中文意思是什麼
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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。 -
This thesis has studied some key hpm power combining technologies such as phase - locked source, high power phase shifter and high power combiner. according to the facts of hprl, it presents a combining project of relativistic magnetron with three output ports which acts as an phase - coherent hpm source. through theoretical computation and hfss simulation, we have designed the hpm dielectric phase shifter and waveguide - based combiner
對高功率微波功率合成的關鍵技術如鎖相源、高功率移相器、功率合成器進行了討論分析，結合實驗室實際情況，提出了以三埠輸出相對論磁控管作為相干高功率微波源進行高功率合成技術研究的方案。 -
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 -
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。 -
According to the result of analysis and the fabricating technique of our lab, we designed the parameters of oversized rib waveguide and devices on the polymer / silicon material and simulated the behaviour of the devices by using the bpm method simulation soft named " beamprop "
同時我們利用熱傳導學中的傳導方程和有限差分法對熱電極作用下不同材料結構中的熱場分佈情況作出了分析。利用實驗室現有的beamprop軟體對器件工作情況進行了詳細的模擬，優化了各項設計參數。 -
Above all, we introduce the development of millimeter - wave power combiner and the novel study production at home and abroad. taking circuit form into consideration in the design of millimeter - wave power combiner, the gauge of high reliability and high performance must be defined. we design two kinds of waveguide - to - microstrip transition, the first kind of transition based on the achievement of a matched impedance probe show excellent performance, the second transition can also have good performance on some conditions through numerical simulation
介紹了國內外毫米波功率合成的發展狀況和最新的研究成果。考慮擬以電路合成方式做毫米波功率合成器，必須解決與功率合成有關的相關組件的高可靠高性能指標問題，因此設計了兩種波導微帶過渡結構，其中探針式過渡測試達到了較好的效果，並對所提出的一種新型微帶波導過渡進行了模擬，在一定條件下具有較好的性能。 -
Based on the results of the theory analysis and computer simulation of suspended stripline low pass filter, band pass filter, the transition from waveguide to finline and the transition from waveguide to suspended stripline, the structure design and manufacture were made. the measured results match the requirement. different from the traditional mixers used in the domestic communications satellites, the sub - harmonic balance mixer type was used in the ka - band mixer design
在ka頻段混頻器的研究過程中，通過對衛星和飛船所用到的混頻器進行研究，在對ka波段的傳統射頻前端電路的分析基礎上，提出改變以往星上傳統的基波混頻方案，採取了次諧波混頻方案，降低了本振頻率，簡化了本振鏈路，使噪聲特性、可靠性獲得改善。 -
In this dissertation, the performance of linearly tapered fin - fed slot antenna ( lwsa ) is discussed in theory, simulation and experiment. the radiation pattern characteristic influenced by changes of antenna ’ s dielectric material, tapered shape and dimension is studied detailedly. though the tapered slot antenna design is very important, a good waveguide - to - finline taper transitions is also needed because they could not thought over separately
本文主要採用理論分析、數值模擬和實驗等手段對線性漸變槽天線的特性進行了研究，分析了介質材料、天線漸變段以及天線尺寸對天線方向圖的影響，分別設計了天線罩、線性漸變槽天線以及天線的饋電結構。 -
Theoretically, the main work is the simulation of source excitation. by comparing the advantages and disadvantages of previous methods of source simulation, a novel simulation method of excitation source is presented. the details of the application to microstrip feed, waveguide feed and coaxial - cable feed using this simulating method are given
在fdtd用於天線計算理論研究中本文重點研究了激勵源設置問題，比較了現有的各種激勵源設置方式的優缺點以及它們的適用范圍，在此基礎上，提出一種新的激勵源設置方法，並將其推廣到微帶線饋電、波導饋電、同軸線饋電等天線的通用饋電方式。 -
The first part of this thesis is for simulation and design of planar waveguide optical couplers
它分為理論設計和實驗兩個部分。第一部分是光耦合器的模擬與設計。 -
The simulation analysis has indicated that the bandwidth of ridged waveguide slot array has been greatly improved, and it is consistent with the result of the theory
模擬分析表明脊波導裂縫陣列的帶寬有較大的改善，這與理論分析的結果是一致的。 -
Design and simulation of mono - pulse antenna with super - thinner waveguide plate slots array
超薄型平板縫隙陣單脈沖天線設計與模擬 -
In developing the planar lightwave circuits, the coupling loss between a waveguide with a high refractive index difference and a single mode fiber is considered. a novel spot - size converter based on a y - branch structure is proposed and numerical simulation results indicate that it can reduce the coupling loss effectively with low polarization dependent loss and good fabrication tolerance
在平面波導光器件研製中，提出了高折射率差二氧化硅波導與光纖的新型低損耗連接，與現有波導單側變窄的結構相比較，有效的降低了連接損耗，同時具有偏振相關損耗低，工藝容差性好的優點。 -
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。 -
Simulation and analysis of waveguide measurement adapter for rf absorber
射頻吸波材料波導測試法裝置轉換接頭的模擬分析 -
This equation solving method overcomes the shortcomings of simulation software on thermal field analysis, strongly complements the commonly used 1 - d temperature distribution to analyze thermo - optic devices in literature. the results avoids complicated form of solutions provided by fourier transform method, and thereafter lend itself to analyze the influence of thermo - optic to attenuation characters and power consumption in waveguide
這種方法克服了模擬軟體在熱場分析上的不足，是對現有文獻多數採用一維溫度分佈作為熱光器件分析的有力補充，也避免了傅立葉變換法的復雜形式，為後面分析熱光效應對器件衰減性能和功耗的影響打下了基礎。 -
Based on the fundamental theories of planar lightwave circuits and the basic principle of an arrayed waveguide grating ( awg ), some simulation methods used for estimating the performance of an awg and some improved design methods for optimizing the performance of an awg are studied in detail in this thesis
本文以awg波分復用器件為研究對象，在平面光波導基本理論以及awg器件的基本原理與設計方法的基礎上，主要研究了awg器件性能的模擬方法、 awg結構設計的改進與性能改善以及awg器件的實驗製作。 -
Rf and lo signals are transmitted to the circuit by waveguide - to - microstrip finline transitions. based on the results of the theory analysis and computer simulation of ratrace, waveguide - to - microstrip finline transitions, novel
在對電路的各個部分進行理論分析、計算機模擬的基礎上，對該設計總體進行了結構設計和加工，並對設計結果進行了指標測試。 -
Variational - effective index method and finite difference beam propagation method ( fd - bpm ) are both practicable waveguide simulation tools. the variational - effective index method is based on mixing the variational method ( vm ) and the effective index method ( eim ), it can be used with very accuracy to simulate the field distribution
變分有效折射率法是變分法（ vm ）和有效折射率法（ eim ）的結合，它能夠很精確地模擬光場分佈情況;有限差分束傳播法則能夠準確地模擬波導的性能。
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