waveguide transition 中文意思是什麼

waveguide transition 解釋
波導管過渡
  • waveguide : 【電學】波導（管）。
  • transition : n 轉變，演變，變遷，變化；飛越；過渡期；【音樂】變調，轉調；【修辭學】語次轉變；【語法】轉換；【...
  1. 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。
  2. The theory of wilkinson power combiner and ratrace coupler is analyzed by using the odd - even mode method in this thesis. on the basis of the theoretical analysis, we designed and tested the wilkinson power divider, the modified wilkinson power divider and ratrace coupler, good agreement is observed. in addition we propose a power combiner based on a waveguide - to - microstrip transition using antipodal finlines. this structure united the two functions of transition and equal power division, it can not only be used in the circuit power combiner but also be used in spatial power combiner

    另外提出一種基於鰭線波導微帶過渡功分器，該結構將過渡與功分兩種功能完全結合，不但可以用於電路合成式功率合成，也可用於空間功率合成中。對功率合成器，其主要指標是輸出功率和效率，其中提高輸出功率和效率的一個方法是在輸出端抑制諧波，主要是對二次諧波的抑制。
  3. A transition of microstrip to waveguide based on siw technique was processed with ltcc to validate the feasibility of siw. then, a siw resonator was analyzed. the equivalent electrical wall of metallized via arrays was obtained

    從對空氣填充siw諧振器的分析，得到在ferroa6m材料中構成諧振器的金屬排孔等效電壁的位置，得到簡化的計算siw諧振器的模型。
  4. Finally, using the low loss 3 - db three port network as power dividing and combing network and using hmmc 5040s fabricated by agilent co. as single - way amplifiers, with the help of e - plane waveguide to microstrip transition, we have designed a two - way power combing circuit with waveguide as interface ports. in 33ghz ~ 35ghz, the measured saturated output power is about 170mw, and the combing efficiency estimated is greater 70 %

    最後，採用我們設計的3 - db三埠網路作為功率分配、合成網路，以常用的微帶e面探針作為微帶-波導過渡結構，採用agilent公司hmmc5040作為放大單元，製作出了波導介面的兩路合成電路，在頻率為33 35ghz實測飽和功率達170mw ，合成效率高於70 。
  5. In 1992, a. enders and g. nimtz researched the propagation of microwave signal through several different cutoff waveguides with hp8510b network analyzer ( na ) system and hp70820 transition analyzer ( ta ) system. since 1990s, emig, martin and landauer have been investigating the propagation of electromagnetic pulse through a waveguide with piecewise different dielectric constants

    1992年，德國科隆大學的enders和nimtz採用hp8510b網路分析儀系統和hp70820轉換分析儀系統研究了不同結構的截止波導中的信號傳播，並計算出調制音樂穿過截止波導的時間小於其在真空中的傳播時間。
  6. In 1992, a. enders and g. nimtz researched the propagation of microwave signal through several different cutoff waveguides with hp8510b network analyzer ( na ) system and hp70820 transition analyzer ( ta ) system. since 1990s, emig, martin and landauer have been investigating the propagation of electromagnetic pulse through a waveguide with piecewise different dielectric constants

    1992年，德國科隆大學的enders和nimtz採用hp8510b網路分析儀系統和hp70820轉換分析儀系統研究了不同結構的截止波導中的信號傳播。從90年代開始， emig和martin 、 landauer等人研究了分段填充不同介質的波導中的電磁脈沖波的傳播。
  7. In the paper, the transition of ka band rectangular waveguide to micro strip probe and the back - to - back structure are designed. the measurement results indicated the low insert loss and low return loss from 35 ghz to 40 ghz

    本文設計了ka波段矩形波導到微帶探針過渡結構以及背對背結構，測試結果表明，在35 40ghz頻率范圍內，其插入損耗和回波損耗都比較小。
  8. 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。
  9. 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。
  10. At the same time, we analyzed the basal theory of waveguide to microstrip probe transition. then, using hp ads software, we optimized and designed two filter - parallel coupled filter and interdigital filter

    然後，我們利用hpads軟體分別模擬、設計和製作了微波頻段和毫米波頻段兩個濾波器?微帶抽頭式交指型帶通濾波器和平行耦合濾波器。
  11. A virtual cathode oscillator with an axially extracted te10 or te11 mode has been investigated using the pic code. it can emit microwaves axially through an antenna without mode converter or transition waveguide, making the system more simple and compact. the efficiency of this device can be enhanced by employing premodulation cavity, resonant cavity, feedback mechanism, and virtual cathode formed by two electron beams

    本文利用物理分析和粒子模擬的方法研究了軸向提取te10 / te11模虛陰極振蕩器，結果表明通過引入預調制腔、諧振腔、反饋端面、雙電子束陰極等結構，可以實現結構相對緊湊、束波轉換效率較高的軸向提取虛陰極振蕩器。
  12. Design of a high output power, high combining efficiency power combiner at ka - band based on a slotted - waveguide was presented in this thesis. slotted - waveguide power divider, which achieves power - dividing and waveguide - microstrip transition at the same time takes the advantages of low profile, low cost and high combining efficiency

    用開槽波導同時完成功率分配/合成及波導-微帶過渡，具有體積小、合成效率高的特點，既不屬于空間功率合成又與傳統的電路合成有所區別。
  13. 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。
  14. In this dissertation, the varied characteristics of soi rib waveguide were investigated, and the calculated results as well as simulated plots in theory were presented. it was the first time that a 3d overlap integral method was used to calculate the transition loss between the rib waveguides and the slab waveguides, in which the effect of the mode distribution in rib waveguides on the coupling efficiency was taken into account

    針對上述問題，本論文對soi波導的各種特性進行探討並給出了詳細的計算結果，首次用三維功率交迭積分法計算了soi波導器件中波導過渡區的損耗，這種方法考慮了脊形波導模式分佈對過渡區耦合效率的影響。
  15. At the same time, we have manufactured a transition from microstrip line to rectangle waveguide, working in full ka - band. the insert loss of a single transition is between 0. 25db and 1db

    同時，完成了ka全頻段微帶波導過渡的研製，在26 . 5 39 . 5ghz頻率范圍內，單個微帶波導過渡的插損在0 . 25 1db
  16. It ' s most important performance is low insertion loss and facility of realization. utilizing ridge waveguide we have designed a waveguide - microstrip transition, in 32ghz ~ 37ghz frequency range, which have a loss less than 0. 2db

    在波導作為常用傳輸線的毫米波系統中，波導-微帶轉換結構是必不可少的部件，其關鍵性能指標是低損耗以及結構實現的容易性。
  17. Applying an exact modal propagation analysis method and self - imaging theory, i analyzed the principle of mmi coupler. then, the self - imaging effect in graded - index waveguide has been analyzed and simulated using three - dimensional bpm. considering normal technology error, a low loss y - branch structure ( symmetric or asymmetric ) with a multimode waveguide transition section is introduced and designed

    在設計y分支波導結構時，考慮常規工藝誤差的影響，引入多模波導作為y分支波導結構的過渡區，利用參數空間搜索法來設計結構參數，實現低損耗的y分支結構。
  18. Moreover, the microstrip - waveguide transition and the circuit for dc bias in the vco are analyzed, and the analysis is generally useful for design of millimeter - wave planar circuit

    最終，在微帶線上製成了w頻段平面集成體效應管壓控振蕩器，並進行了測試。
  19. The theory and design of the balanced converter, fin - line waveguide bandpass filter, waveguide to microstrip transition and millimeter - wave amplifier are studied in this paper. finally the paper presents the structure and the simulated result of each module

    本文對組件中的平衡上變頻器，鰭線波導帶通濾波器，波導微帶轉換結構以及毫米波信號放大器的原理和設計進行了討論，並給出了電路結構，模擬結果。
  20. In 32ghz ~ 37ghz, the insert loss is about 0. 2db. in the millimeter - wave system which chiefly using waveguide as transmission line, the transition between waveguide and microstrip is absolutely necessarily

    其特點除了損耗低外，無需阻性材料，製作工藝簡單，可以在常用的軟基片上做出高性能的功率分配、合成網路，值得推薦。
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