In order to investigate the effects of parameters, based on the theory of thermal-structural-electromagnetic multiphysics field interaction, the biconical models of the fused PANDA fiber coupler were given.

為了從理論上分析各參量對保偏耦合器傳輸特性的影響，基于熱結(jié)構(gòu)電磁多物理場耦合理論愉拍自拍视频在线播放网站下载安装，建立了熔錐型熊貓光纖耦合器雙錐模型精品射射射福利一区，應(yīng)用有限元法，分析了各參量對熊貓光纖耦合器傳輸特性的影響亚洲一级无码毛片不一卡。

There are three parts in our design: first, the dual-band branch line coupler provides two equal-power signals with 90° or -90° phase difference in each operating band. Second, the wideband switching circuit controls the two output powers of branch line coupler to excite the antenna structure for producing linear polarization wave or circular polarization wave. Third, the L-shaped fed conventional planar patch antenna is provided to overcome the coupling effect.

整體架構(gòu)包含三個部分：L形電容耦合饋入式平面天線是為了克服平面式微帶天線窄頻的缺點欧美爱爱一区二区视频；雙頻枝干耦合器提供天線在操作的兩個頻率點上各輸出兩組相差正九十度與負(fù)九十度的訊號，最后寬頻的切換電路是將枝干耦合器的兩組訊號作分配用以激發(fā)不同方向的天線以產(chǎn)生線性極化模態(tài)或同時激發(fā)兩個垂直的天線以產(chǎn)生圓形極化模態(tài)www.AV视频免费。

Therefore, we utilize optical switch to switch over two routes P1 and P2 which are normal feeder fiber P1 and protecting fiber P2. Signal pass P1 and P2 and through 2X2 coupler, splitter, and 2X1 coupler into the drop fiber. Finally pass through WDM coupler and filter into ONU.

傳輸時利用光開關(guān)切換成兩路路徑P1和P291自拍老女人在线看，分別為在正常下的P1饋線光纖和發(fā)生錯誤時切換成P2保護光纖，再經(jīng)2X2耦合器欧美一区VA在线观看、分歧器和2X1耦合器免费在线观看黄色网站大全www，進(jìn)入終端光纖，最后經(jīng)分波多工耦合器和濾波器后進(jìn)入光網(wǎng)路單元footjob国产。

Under the existing condition of the lab, a lot of experiments, analyzing and improving are made. Now, the problems in photoengraving, sputtering and diffusion etc. have been solved elementally. Excellent technological parameters are achieved and 2×2 LiNbO3 waveguide optical switch has been fabricated successfully. At the end of this paper, the losses of 2×2 LiNbO3 waveguide type optical switch are analyzed. The testing system is established. The V-grooves used for coupling have been designed.

我們在現(xiàn)有的實驗條件下欧美黄片一级艹逼，經(jīng)過反復(fù)實驗，分析和改進(jìn)又爽又免费的视频，克服了光刻欧州三级网址，濺射，擴散等各個階段中的難題国产美女免费AV片在线播放，總結(jié)出各部分最優(yōu)的工藝參數(shù)自偷自拍你懂的，制備出了2×2定向耦合器型光波導(dǎo)開關(guān)，在本文的最后對制備出的光波導(dǎo)開關(guān)的各種損耗進(jìn)行了分析国产操B在线，建立了測試系統(tǒng)亚洲黄片在线免费视频，對光開關(guān)進(jìn)行了通光測試，并對本2×2定向耦合器型光波導(dǎo)開關(guān)以后的耦合封裝V型槽進(jìn)行了設(shè)計永久域名地址18。

The controller receives, analyzes and processes the command input by operator via the man-machine interface, to adjust and control the controllable light signal generator according to the analysis processing result and the spectrum result checked by the light checker, the controller outputs the adjustment and result via the man-machine interface to the operator, to output light signal for the result of adjustment and control on the controllable light signal generator, via the light coupler to be coupled partly and feedback to the light checker to be checked, thereby forming a closed-circuit, while the light signal coupled to the light output via the light coupler reaches user target spectrum demand.

本發(fā)明公開了一種實現(xiàn)光信噪比可調(diào)節(jié)的光信號源裝置及控制方法国产清纯白嫩初高生在线播放，所述裝置包括：控制器、人機接口国产中文在线精品一区、可控光信號發(fā)生器A级黄页高清视频免费看、光耦合器、光信號檢測器国产精品亚洲一区二区网址、光信號輸出口91综合在线观看视频；控制器接收操作者輸入給人機接口的指令并分析和處理，運用分析處理結(jié)果91成年人在线观看、并結(jié)合光檢測器檢測的光譜結(jié)果數(shù)據(jù)來調(diào)節(jié)和控制可控光信號發(fā)生器a√在线免费，控制器將調(diào)節(jié)過程和調(diào)節(jié)結(jié)果通過人機接口輸出給操作者，對可控光信號發(fā)生器調(diào)節(jié)和控制的結(jié)果輸出光信號通過光耦合器耦合一部分又反饋給光檢測器檢測，這樣形成一個閉環(huán)控制18岁可以看亏视频网址，使得通過光耦合器耦合到光輸出口的光信號達(dá)到用戶目標(biāo)光譜要求亚洲另类欧美在线综合。

optical fiber coupler, scattering matrix ; output phase difference; Hermite quadratic form ; positive definite matrix

利用其散射矩陣為酉矩陣的么正性不難證明，2×2耦合器輸出相位差恒為90°在线日韩网站，與輸出功率比無關(guān)免费A级毛片无码的，而耦合區(qū)具有旋轉(zhuǎn)對稱結(jié)構(gòu)的3×3耦合器的輸出相位差完全取決于輸出功率比，特殊地91亚洲国产系列精品第，當(dāng)?shù)确止β瘦敵鰰r日韩视频欧美在线一区，輸出

The major research includes the following three points. First, using finite element method, the influence factors on propagation properties for PMF couplers are analyzed, including the shape of coupler cross-section, the taper of coupler bipyramidal and the angle deviation of the birefringent axes.

基于熱-結(jié)構(gòu)-電磁多物理場耦合有限元方法，分析了保偏光纖耦合器的傳輸特性和耦合系數(shù)在熔錐區(qū)的變化規(guī)律在线欧美亚洲黄，從而求解耦合模方程，得到偏振光經(jīng)過耦合器后的光功率分布久久久久久久9，繼而對保偏光纖耦合器的性能參數(shù)分光比91cm182在线播放、消光比及附加損耗進(jìn)行理論分析。

Now there are four major types of FGCs: separated structure based on Mach Zehnder interferometer, dissymmetric structure based on 100% coupler, dissymmetric structure based on 0 coupler and symmetric structure based on 100% coupler.

光纖光柵耦合器主要有4種結(jié)構(gòu)：基于MZ干涉儀的分離型JJJ无码毛片、基于100％耦合器的非對稱型欧美视频网在线免费观看、基于0耦合器的非對稱型和基于100％耦合器的對稱型。

According to the requirements of 3 dB-coupler in adjacent-channel duplexers and the basic principles of 3 dB-coupler, a narrow band 3 dB-coupler is analyzed which can applied to digital TV field.

根據(jù)數(shù)字鄰頻雙工器中對三分貝耦合器的要求和三分貝耦合器的基本原理亚洲一区二区视频观看，對應(yīng)用于數(shù)字電視領(lǐng)域的一款窄帶三分貝耦合器進(jìn)行了分析国产一级无码中文字幕。

Problems ,such as selection of the corresponding stuff, selection of the surge ponderance in the cavity and the influence of the minishing prism couplers on the mode of the ring laser cavity are discussed.

對采用棱鏡耦合器的全反射棱鏡式環(huán)形激光器的耦合輸出特性進(jìn)行了理論研究，導(dǎo)出了有&楔形&間隙的棱鏡耦合器的反射系數(shù)和透射系數(shù)表達(dá)式欧美精品一一色哟哟，給出了反射率和透過率隨&楔形&間隙高度變化的理論計算曲線美女黄应用，進(jìn)而研究了有關(guān)材料選取、腔內(nèi)振蕩分量的選取及減小棱鏡耦合器對環(huán)形激光腔內(nèi)模式的影響等問題国产h片免费。

Acoustic Coupler Operation：聲響耦合器作業(yè)

"聲響耦合器","acoustic coupler" | "聲響耦合器作業(yè)","acoustic coupler operation" | "聲響耦合","acoustic coupling"

acoustic coupler, auto-answer modem：自答型調(diào)變解調(diào)聲音耦合器

Acoustic Coupler Operation 聲音耦合作業(yè) | acoustic coupler, auto-answer modem 自答型調(diào)變解調(diào)聲音耦合器 | Acoustic Coupling 聲耦合

coupler, acoustic：聲耦合器

coupler 耦合器 | coupler, acoustic 聲耦合器 | coupler, broadband directional 寬頻帶定向耦合器

directional coupler：定向耦合器

定向耦合器(Directional Coupler) 這是一種2×2的3端或4端耦合器,其功能是分別取出光纖中向不同方向傳輸?shù)墓庑盘? 光信號從端1傳輸?shù)蕉?, 一部分由端3輸出,端4無輸出;光信號從端2傳輸?shù)蕉?,一部分由端4輸出,端3無輸出. 定向耦合器可用作分路器,

directional coupler：方向耦合器

這個由圣安德魯大學(xué)研究團隊制作出來的新元件,是一個以方向耦合器(directional coupler)為基礎(chǔ)的2×2開關(guān). 方向耦合器是由兩個波導(dǎo)非常接近的波導(dǎo)所組成,光的能量可以從一條波導(dǎo)轉(zhuǎn)移到另一波導(dǎo);當(dāng)方向耦合器處於關(guān)的狀態(tài),

directional coupler：定向耦合器直接耦合器

directional control 方向控制 | directional coupler 定向耦合器直接耦合器 | directional filter 定向濾波器

variocoupler：可變耦合器;可變交連器

varindor 變感器 | variocoupler 可變耦合器;可變交連器 | variode 變?nèi)荻O管

couplers：聯(lián)接器,耦合器

counters 計數(shù)器 | couplers 聯(lián)接器,耦合器 | coupling 耦合

Optical Couplers：光纖耦合器 (樹狀分支 tree)

optical couplers 光纖耦合器 (兩分支 tap splitter) | optical couplers 光纖耦合器 (樹狀分支 tree) | optical couplers WDM 光分波合波器 (兩波長 dual-wavelength)

Optical Couplers：光纖耦合器 (兩分支 tap splitter)

optical counterpart 光學(xué)對應(yīng)體 | optical couplers 光纖耦合器 (兩分支 tap splitter) | optical couplers 光纖耦合器 (樹狀分支 tree)