waveguide attenuation 中文意思是什麼

waveguide attenuation 解釋
波導衰減
  • waveguide : 【電學】波導（管）。
  • attenuation : n. 1. 變薄，變細。2. 減少，減弱。3. 稀釋。4. 【物理學】衰減。
  1. 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 。
  2. Attenuation measurements for the waveguide and the coaxial components

    波導和同軸元件衰減測量方法
  3. A novel e - plane metal insert waveguide filter is presented in this paper. comparing to conventional e - plane waveguide filter, great improvments have been made in stop - band attenuation of a bpf

    為了提高e面全金屬膜片矩形波導濾波器的阻帶性能，本文對濾波器的結構做了改進，採用了混合膜片的形式。
  4. 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。
  5. Finally a new theory about energy delivering in hollow waveguide is given. in this theory the input attenuation in both straight and bent hollow waveguide

    在這一理論體系中，我們得到了空芯光纖的輸入特性和光纖直線狀態下與彎曲狀態下的損耗公式。
  6. 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。
  7. Besides this, a bypass multi - mode waveguide were used to improve attenuation efficiency and reduce power consumption. based on buried channel structure, the simulation software beamprop ? produced by rsoft corp shows some better results than the original device : attenuation range over 20 higher, insertion loss merely 1db higher and the calculated power consumption is only 25mw

    加入的旁路吸收波導和多模區間距為零時最大衰減對應的溫度為60 ，衰減增加了20db以上，功耗也增加了1倍，插入損耗比間距為1 ， 2 m時增加約0 . 4db ，比沒有旁路波導時插入損耗增加了約ldb 。
  8. Those kinds of waveguide have got the ability that could be used to deliver high energy ir light with low attenuation. but these attenuation phenomena ca n ' t be explained by current theory about character in hollow waveguide

    雖然這些光纖已經被廣泛用於在較低損耗下傳輸紅外激光能量，但是現有的關于空芯光纖的傳輸理論還不能很好地解釋空芯光纖中的損耗與模式特性。
  9. Methods of measurement for waveguides - part 4 : attenuation of waveguide and waveguide assemblies

    波導測量方法.第4部分:波導衰減和波導組件
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