波型耦合器 的英文怎麼說
中文拼音 [bōxíngǒugěqì]
波型耦合器
英文
mode coupler- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 耦 : Ⅰ動詞[書面語] (兩人並耕) plough side by sideⅡ名詞1 (古農具名) plough2 [書面語] (兩人一組) a...
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 耦合 : [物理學] coupling; interconnection; catena; linkage; linking
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As a new component of sensor, fiber grating have many instinctive advantages, such as light in weight, anti - cauterization, anti - interference in electromagnetism, high - sensitivity and compaction in construction. it is very easy to be coupled with fibers and the coupling - loss is slight. using fiber grating ’ s character of sensitivity for stress ; people have done some envelope experiments on structural systems ( such as storied buildings, bridge, railway and dam )
光纖光柵傳感器除了具有重量輕、耐腐蝕、抗電磁干擾、靈敏度高、結構緊湊等優點外,還有其獨特的優越性,如探頭尺寸小,其直徑與光纖等同;易於與光纖耦合,耦合損耗小;波長調制型,抗干擾能力強;集傳感與傳輸於一體且具有極強的復用能力,易於構成傳感網路;測量對象廣泛,易於實現多參數傳感測量等等。The numerical and experimental results of this y - branch structure indicate that the proposed y - branch structure, without extra fabrication technologies, has a lower excess loss as compared with the conventional ones. optimal designs of the structural parameters for the multimode interference coupler are carried out. low loss and high uniformity of the multimode interference couplers are achieved when the waveguide is weakly guiding
研究了y分支耦合器中分支頂端間距(為工藝製作方便)帶來的附加損耗,提出了低損耗新型y分支耦合器結構,並給出了相關結構參數的優化設計方法,我們的理論計算和實驗測試結果均表明,該新型結構可以在常規光波導製作工藝下提高器件的指標。Based on local coupling mode theory of graded index optic fiber wave guide, the variation regularity of coupling output light has been deduced when sound wave acts on single mode optic fiber coupler. and a new idea has been proposed that a novel sensor can be applied on detection of acoustic / vibration. the sensing element of sensor is the melting area of single mode coupler in which the feasibility of the new - type optic fiber sensor has been proved in experiment
本文從緩變光纖波導的局部耦合模理論出發,推導出了單模光纖耦合器耦合分光在聲波作用下的變化規律,提出了以單模光纖耦合器的熔融區為傳感元件的傳感器在聲振動信號檢測中應用的新思想,並實驗論證了這種新型光纖傳感器應用於實際的可行性。The increasing of single channel capacities and evolution of optical networks topology, from simple point - to - point to intelligent optical networks, call for strict demands to optical filters. in this paper, the crucial technologies of optical filters such as interleaver, optical digital filter, fused biconical taper all - wave coupler as well as polarization - pump combiner have been studied experimentally and theoretically, which include : 1. a new process, cascaded fbt ( fused biconical taper ) with precise control as well as strict interference arm length difference, is proposed for the first time to our knowledge
單通道速率不斷提高以及網路拓撲由單一的點對點傳輸向可上下載的環網和可動態選擇波長路由的智能型格形光網路演進,對光濾波器的常規性能指標、時域特性和動態可調諧特性提出了更加苛刻的要求,鑒於此,本論文全面研究了全光纖熔錐型奇偶交錯濾波技術、數字光濾波技術、基於g - t全通濾波器的奇偶交錯濾波技術以及熔錐型全波耦合器和偏振泵浦合波器。Three parallel - parallel type cttfcs is studied and compared in this paper. the performance of the cttfc with coupled inductor is similar to that with sharing freewheeling diode while coupling coefficient is one, and similar to that with sharing output capcitor while coupling coefficient is less than one and the converter working ccm
揭示了耦合電感並?並型雙管正激組合變換器與其餘兩種並?並型組合變換器的關系:耦合系數為1時,具有與共用續流管組合變換器相類似的特性;耦合系數小於1且耦合線圈電流連續時,具有與共用輸出濾波容組合變換器相一致的特性。By use of coupling - of - modes model, this paper computers the characteristic impedance, then puts emphasis on the feedthrough effect which affects saw performance and some advice is given
本文就是順應軍用和民用技術需求進行的工作,通過耦合模模型求解了saw濾波器的特徵阻抗,由此重點研究了影響saw器件性能比較嚴重的電磁直通效應,並提出了改善措施。With the theory and the graphs, the initial sizes of bpf were obtained, and then the final sizes were obtained by the software simulation
結合濾波器理論設計的耦合值與所創建的圖表,確定濾波器的初始尺寸,通過軟體對濾波器參數的微調,最終得到濾波器的精確模型。Firstly, the paper, combining the characteristic of synchronous pulse bursts and inhibition with the modified pcnn model, presents a way of finding the foveation points in the images adaptively and effectively, and simulates the human vision system. secondly, pcnn is extended to pcnns, based on the properties of information couple and transmission, an algorithm that is used to fuse images of the same target got by several sensors to an image is presented to simulate the human vision system. thirdly, combining the properties of synchronous pulse bursts, capture, and transmission and competition of waves, the paper presents two ways of classification, one is an algorithm based on the properties of neuron to capture and inhibit to classify the data taking on any complex unlinear distribution robustly, the other is based on the restricted distance and modified of the former to remove the influence of inferior samples in classification ; fin ally, based on the accumulative difference pictures, and the forming and transmission of pcnn wave, selecting and controlling the direction of autowave by connecting the neighbouring neurons selectively, the paper presents a way to simulate the tracks of moving object and detect the moving direction
首先結合pcnn的同步脈沖發放和側抑制特性,提出了基於改進型pcnn的圖像凹點檢測演算法,該演算法是一種自適應而有效的圖像凹點檢測方法,並且較好地模擬了人類視覺系統;然後,結合信息傳遞和信息耦合特性,將pcnn擴展成pcnns ( pcnn網路群) ,提出了一種基於pcnns的圖像融合演算法,能夠將多個傳感器獲取的同一目標的圖像信息融合到一幅圖像中,有效模擬了人類視覺系統;另外,結合pcnn的同步脈沖發放特性、捕獲特性和波的傳播競爭特性,開拓地將pcnn用於模式分類中,提出了基於耦合神經元點火捕獲抑制特性的分類方法和改進的約束距離下的pcnn分類方法,前者可實現對樣本空間中任意復雜分佈訓練樣本的穩健非線性分類,而後者能夠消除訓練樣本中刺點對分類的影響;最後,結合累積差分圖像思想、 pcnn波的形成與傳播特性,通過各神經元之間連接取向來選擇與控制自動波的流向,將pcnn用於運動視覺分析中的運動軌跡模擬及運動方向檢測。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。In the present paper, according to the characteristics of the dynamic running of the thermoelectric refrigerating devices and its components for the refrigerator is analyzed and the independent components " models are established. the entire model describing the working procedure of the refrigerating system is set up with the method of parameters coupling to combine the models of the refrigerating system, load, cabinet and air in the cabinet. the running characteristics of thermoelectric refrigerators on the effects of received current, load and ambient temperature are investigated using small - signal linearization method
本文根據熱電製冷系統動態運行的特點,分析了電冰箱製冷系統及各個部件的熱物理過程,運用參數耦合的方法把製冷系統、負載、箱體及箱內空氣模型有機地結合在一起,建立了完整的製冷系統工作過程模型,用小階躍信號線性化法分析了電流、負載功率和環境溫度波動共同作用下的熱電製冷器工作特性。Equalizer based on coupler. model of gain spectrum was made based on the coupled theory. parameters of coupler were adjusted so that the coupler can have the inverse gain spectrum comparing with edfa ' s
論文從耦合波理論出發,建立了耦合器增益譜計算模型,通過不斷調節耦合器的參數,使得耦合器的增益譜線與edfa的增益譜線具有反對稱(或者近似反對稱)的起伏特性。Ultrasonic motors are a new kind of solid actuators that come into being since 1980 ’ s, which use inverse piezoelectric effect of pzt to excite stator ’ s elliptical vibration and produce driving power by frictional coupling
超聲波馬達是上世紀80年代開始發展起來的一種新型驅動器,它是利用壓電陶瓷的逆壓電效應激勵出定子表面質點的橢圓軌跡振動,依靠摩擦耦合來實現驅動。Has been recognized as an ideal substrate material for the rf surface acoustic wave ( saw ) filter, a key component within wireless communication devices as mobile phones. its stability and size make it the preferred option among other piezoelectric materials
為適用於高頻表面聲波濾波器( rfsawfilter )小型化的理想基材,由於具備適中的機電耦合系數且溫度系數低,已被廣泛應用在移動式高頻無線通訊器材,尤其是手機里的關鍵材料。Theory analysis and practical measurements of response characteristics are done about two couplers. from the aspect of capacitive coupling, the frequency response characteristics of two sensors are assessed in terms of square wave response. at the same time, the amplitude - frequency relationship characteristics are calculated on the base of antenna model
對所研製的兩種內置傳感器響應特性進行理論分析與實際測量:從電容耦合原理角度採用方波響應分析傳感器及整個測試系統的頻率響應特性,從天線模型角度分析幅頻響應特性,局部放電實測結果也驗證了設計的傳感器的性能優良。First, the principle of electro - optic modulator is introduced. the significance of some key technologies in the lithium niobate phase modulator are expounded, and the status quo of the device are summarized
本文首先簡單介紹了電光調制器的原理,闡述了鈮酸鋰相位調制器中波導製作、 v型槽製作、器件封裝耦合及可靠性等幾項關鍵技術的研究意義,綜述了其研究、發展現狀。As far as input coupling devices concerned, we design a feasible taper coupler by means of the theory of waveguide coupling and outside cavity waveguide laser and make decision of the sizes of the lens and the taper coupler, and the relative distance of them. the focus of the lens is 65mm and the radius is 5mm. the length of the taper coupler is 15mm, and the radiuses of the input and output ends separately are 17mm and 0. 65mm
在輸入耦合器方面,藉助于波導耦合和外腔式波導激光器的相關理論,設計了工藝上可行的錐型耦合器,確定了透鏡、耦合器的尺寸以及耦合器與透鏡的相對位置:耦合透鏡的焦距為65mm ,直徑為srnm ,耦合器的長度為15mm ,輸入端直徑為17mm ,輸出端直徑為0In this thesis, optical couplers consisting of multimode interference ( mm ! ) coupler, y branch, directional coupler ( dc ) and mach zehnder interferometer ( mzi ) were analyzed and simulated
本論文對各種平面波導型耦合器: mmi 、分支波導、定向耦合器和mach - zehnder進行了模擬和優化設計。The device is a synthetical applicating example of phase modulator, intensity modulator and directional coupler theory. the characters and fabricating process of linbo _ 3 optical waveguide, electrodes design principle, the influence of sio _ 2 dielectric buffer layer on the performance of the device and design principle of tapped power ( ratio ) are analyzed
該器件是相位調制、強度調制和定向耦合器理論綜合應用的典型,文章從理論上分析了linbo _ 3光波導的特點、製作工藝、電極設計原理、 sio _ 2介質緩沖層對器件性能的影響和抽頭功率的設計原理等。The designs and realizations of the representative radio frequency modules, such as power attenuator, directional coupler, filter, small signal amplifier and oscillator, were emphasized
重點分析了典型射頻模塊電路(如:功率衰減器、定向耦合器、濾波器、小信號放大器和振蕩器)的設計和實現。Multimode interference ( mmi ) couplers based on the self - imaging effect are rapidly getting popular because of the advantage of low loss, compact size and large fabrication tolerance. the thesis studied the principle of the mmi coupler. the optical field distribution in the multimode wave - guide is modeled by eim and mode propagation analysis method ( mpa )
本文介紹了矩形多模干涉耦合器的基本原理,採用有效折射率方法和導模傳輸分析方法模擬了多模波導中的光場分佈,設計並模擬1 2 , 1 4對稱干涉型光功率分配器、 2 2配對干涉型光功率分配器,得到了比較均衡的功率輸出。分享友人