transition loss 中文意思是什麼

transition loss 解釋
渡越損耗
  • 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；【...
  • loss : n. 1. 喪失；丟失，遺失。2. 減損，損失，虧損（額）；損耗；減少，下降。3. 失敗；輸掉。4. 錯過；浪費。5. 損毀；【軍事】傷亡；〈pl. 〉 傷亡及被俘人數。
  1. Visual carbon stars whose mid - infrared spectra are mainly dominated by photospheric continuum and show large excesses at 60um, represent a transition phase which follows an interruption of mass loss from the oxygen - rich phase and begins a new phase of the mass loss of carbon - rich material. excesses at 60um in these stars are the emission from the residual of oxygen - rich material

    光學碳星的中紅外能量主要來自光球，在60 m處存在超量發射，人們認為其演化階段處在拋射富氧物質終止和新的富碳拱星殼層形成之間，其60 m超量發射就是富氧物質的殘余效應。
  2. The design method of system structure and every compositive section is introduced. the graphics edit platform is developed, including edit software of transformer substation ' s diagram and diagram for calculating line - loss, then the method of coding is introduced, especially the transition from diagram to matrix of conductance and susceptance

    開發了本系統的圖形編輯平臺，包括變電站接線圖編輯軟體和網損接線圖編輯軟體，分別對變電站接線圖編輯軟體和網損接線圖編輯軟體的實現過程進行了闡述，詳述了從矢量圖表示的電網圖轉化成導納矩陣的過程。
  3. Because the monitoring of electricity equipment is still in the condition of traditional prophylactic test ( monitoring off line ), wordage list and management method of handwork operation, to strengthen the real - time monitoring of the operation state of electricity equipment ( monitoring on line ), find out the anomaly of equipment, monitor and analysis the fault, then take a corresponding measures to lower the fault loss so that we can make the transition between the regulations of periodic repairing equipment and the regulations of reasonable state repair, is the work which the department of power supply and operation make much of

    針對對現有電氣設備的監測大都還處于傳統的預防性試驗（離線監測） 、文字報表、手工操作的管理方式的現狀，加強對電力設備的運行狀態進行實時的監測（在線監測） ，及時發現設備的異常徵兆、對故障進行診斷分析，並採取相應措施，把故障損失降低到最低水平，進而將目前實行的設備定期檢修制過渡到更為合理的狀態檢修制，一直是供電和運行部門十分重視的工作。
  4. Most of the spanning tree algorithm ( sta ) failures occur due to the excessive loss of bpdus causing the blocked ports to transition to forwarding mode

    大多的生成樹演算法（ sta ）失敗發生由於過多的丟失bpdu導致阻塞埠轉換為轉發模式。
  5. 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 。
  6. 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。
  7. Anechoic coatings " efficiency is getted from its front and back many layer ' s transfer loss compared. first, absorptive characteristic of homogeneous material is analyzed thoroughly. then wkb perturbation means are used to calculate absorption coefficient of the impedance transition structure in this paper

    本論文首先對均勻材料的吸聲特性做了深入的分析，並詳細討論了wkb微擾攝動法，利用wkb方法計算阻抗過渡結構的吸聲系數。
  8. An anomalies in the dielectric constants and loss tangent have been observed experimentally in the ferroelectromagnet near the antiferromagnetic transition temperature, indicative of a coupling between the ferroelectric and magnetic ordering, but the nature of the mechanism of magnetoelectric coupling and the form of interaction is still an important and debated issue

    而另一類是鐵電磁體，它除了具有一般磁電體的性質外，還由於固有的本徵磁有序和鐵電有序的耦合使之存在自發的磁電效應。實驗上已經發現了由於自發的磁電耦合導致的介電異常和損失正切。
  9. 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。
  10. Plastic deformation happened in the worn surface where fe element was found, so pam micro - fiber supported part of the load and prevented the further deformation. on the condition of high speed and high load, the worn surface of pam1 / nylon 6 composites was nearly melted and formed comparative uniform transfer on the surface of steel, which accounted for the rather low wear mass loss. the infrared analysis showed that the a small quantity of transition of crystal form from into of nylon and its composites happened during the friction because of the high temperature and strong sheering strength

    通過對復合材料耐磨性能研究表明：復合材料的摩擦系數隨載荷的增加而逐步下降，且磨損表面有明顯的塑性變形；從能譜分析結果來看，復合材料表面有fe的存在，表明pam微纖承受了部分載荷，並阻止了基體的進一步塑性變形及粘著轉移；在高速高載時， pam1 /尼龍6磨損表面處于粘流態，並在鋼環表面形成了連續的轉移膜，表現出較好的耐磨損性能，且在高溫和強剪切力的作用下，材料基體發生了少量的晶體向晶體的轉移。
  11. 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。
  12. 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
  13. 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。
  14. The radiation loss was obtained from the imaginary part of the complex propagation constant and the transition loss was calculated by two - dimension overlap integral method

    基於計算得到的直彎波導的模場分佈，採用二維重疊積分法計算了兩者連接時的過渡損耗。
  15. 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。
  16. ( 2 ) the damping mechanism of multi - energy transitions takes effect when the vgcf content is among the semi - conductive area. when the vgcf content is low ( below 8 % ), the vgcf conductive circuit does not form and the heat loss is quite little. when the vgcf content is higher than 20 %, the transition efficiency between electric energy and heat is limited

    這是由於當vgcf含量太少時（低於8 ） ，復合材料中導電網路還沒有來得及形成，起不到能量損耗的目的；而當vgcf含量太高時（高於20 ） ，電導率太高，復合材料成為電的良導體，電能與熱能之間的轉換效率很低，能量損耗也不高。
  17. 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。
  18. 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。
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