行波調制器 的英文怎麼說
中文拼音 [hángbōdiàozhìqì]
行波調制器
英文
travelling-wave modulator- 行 : 行Ⅰ名詞1 (行列) line; row 2 (排行) seniority among brothers and sisters:你行幾? 我行三。where...
- 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...
- 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
- 制 : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
- 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
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On the basis of the analysis and compare, we designed the least length of s - bend y - branch to decrease the transmission loss when the space between the outport is 250jjm. we also analyzed thoroughly dependence of half - wave voltage and bandwidth on the width, the length of modulator ' s electrodes and the gap between two electrodes
對于調制器的電極本文也進行較為深入的研究,探討了電極寬度、電極長度、電極間距對半波電壓的影響,並據此對單y相位調制器的電極結構進行了優化設計。Optical quantizer scheme based on travel wave modulators
基於行波調制器的光量化器The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail
首先,在闡述i / q正交調制基本原理的基礎上,通過對誤差矢量和鄰近通道功率泄漏的詳細分析,定性、定量地討論了各種非理想電路因素(如相位不平衡、幅度不平衡、直流偏差等)對調制器性能的影響;其次,介紹了鎖相環的工作原理和基本組成部分,包括鎖相環的設計和環路濾波器的設計,特別詳述了電荷泵鎖相頻率源;第三,介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後,對整個直接射頻調制系統進行測試,結果基本上達到了課題要求。With the development of fiber - optic communication systems and fiber - optic sensors, the linbo _ 3 integrated optical intensity modulators consisting of m - z optical waveguide and cpw modulation electrode structure get an extensively application
隨著光纖通信與光纖傳感的發展,以linbo _ 3為襯底材料、以m - z干涉儀為光波導結構、採用共面行波電極( cpw )為調制電極的集成光學強度調制器得到了越來越廣泛的應用。Water dielectric pulse power modulator has been widely applied because of its merits of high energy storage density, compactness, and capability to drive low impedance high power microwave sources. research for multi - pulse operation of high power spark gap switch with high current and comprehending its physical properties are the basis to study multi - pulse operation or repetitive operation of water dielectric pulse power modulator
水介質脈沖功率調制器具有儲能密度高,結構緊湊、與低阻抗微波源較好匹配的特點,因此得到廣泛的應用,但是受到高功率、大電流氣體開關的絕緣恢復的影響,水介質等低阻抗脈沖功率調制器的重復頻率運行或多脈沖運行受到較大的限制。The optical waveguide characteristics such as waveguide mode field profile, and the mode cut - off conditions, and the waveguide dispersion are analyzed with the solution of a certain wave equation. the mechanism of index ellipsoid of linbo _ 3 crystal distorted with an external applied electric field by means of the electro - optic tensor as investigated. based on the operation principle of m - z waveguide, the operation mechanism of the two - section cascaded m - z waveguide and of the modulation electrode are
調制器的結構設計從m - z干涉型光波導工作原理出發,分析兩級串聯m - z干涉型光波導的工作原理,調制電極的工作原理,從而設計出了工作於1 . 054 m的、兩級串聯m - z干涉型光波導、行波電極linbo _ 3為強度調制器的結構參數。General specification for grid control travelling - wave tube modulator of airborne radar
機載雷達用柵控行波管調制器通用規范A cyclic radial shearing interferometer was used to diagnose the wavefront distortion of a laser system and an lcslm ( liquid crysnd spatial ligh modulator ) was used to control it. some results have been summarized as follows : l. according to the theory of scalar quanity diffeaction and the model of the random gaussian phase screen of low frequency wavefront, the effect of the low frequency wavefront with different rms gradient on the focal spot of a laser beam was studied
本論文在激光光束波前畸變檢測和控制上進行了新的探索,主要就空間相位調制環路徑向剪切干涉儀以及它對波前畸變的檢測和液晶空間光調制器及其對中頻段波前畸變的控制進行了研究,其研究的內容和取得的成果如下:一、根據標量衍射理論,結合低頻波前畸變的高斯隨機位相分佈模型,研究了不同均方根梯度低頻畸變波前對激光光束焦斑聚焦性的影響,並採用描述中頻段波前畸變的功率譜密度概念,模擬計算了它對激光焦斑旁瓣的貢獻。With the existing condition, the bar waveguide on the lithium niobate wafer with liquid phase proton - exchanged method has been fabricated and the benzoic acid is used as the proton source. a series of research on the domain inversion in lithium niobate crystal with proton - exchanged method have been done. and then the operation and the process of domain inversion in lithium niobate crystal with proton - exchanged method has been used
實驗方面,利用實驗室現有條件,在鈮酸鋰晶片上以苯甲酸為質子源,用液相質子交換法製作了條形波導;對用質子交換法實現鈮酸鋰晶體疇反轉進行了一系列實驗研究,在此基礎上提出了質子交換法實現鈮酸鋰晶體疇反轉的工藝過程,實現了疇反轉並腐蝕得到了v型槽;設計製作了帶尾纖的電光相位調制器,最後進行封裝。Qpsk modulation for digital television using advanced digital signal processing technology, full compliance with dvb - s standard, the receiving end can be directly used for receiving digital satellite receiver. it must not only be able to achieve a higher utilization of the spectrum, with a strong anti - jamming and high performance. fm microwave equipment and simulation and will be good compatibility
Qpsk數字電視調制器採用了先進的數字信號處理技術,完全符合dvb - s標準,接收端可直接用數字衛星接收機進行接收。它不但能取得較高的頻譜利用率,具有很強的抗干擾性和較高的性能價格比,而且和模擬fm微波設備也能很好的兼容。So the application prospects of linbo _ 3 integrated optic intensity modulators are getting better. the linbo _ 3 integrated optical intensity modulators consisting of m - z optical waveguide and cpw modulation electrode structure is presented in this thesis
本課題旨在研究以linbo _ 3為襯底材料、以m - z干涉型光波導結構為基礎、以cpw行波電極為調制電極的集成光學強度調制器。This modulator works with the guided - wave reflectance peak, in which the light intensity is changed by the variation of the refractive index of poled polymer due to the electro - optic effects. device performances have been theoretically and experimentally investigated. we also successfully carried out experiments of video signal transmission using the proposed modulator
該調制器工作于金屬包覆波導的衰減全反射導模吸收峰,利用極化聚合物電光材料的折射率對導模吸收的影響來實現電光調制,並對器件的性能指標進行了實驗研究,同時利用製作的反射型電光調制器進行了視頻信號良好地傳輸實驗。In this dissertation, a novel m - z high speed modulator is proposed, analyzed, fabricated and measured, employing multiple quantum well ( mqw ) structures and traveling wave ( tw ) electrodes to meet the demand of low voltage and wide bandwidth
本論文採用行波量子阱結構來設計40ghz的電光調制器。為實現高帶寬,低驅動的要求,本論文著重在量子阱的光學特性和器件的微波特性兩個方面進行了深入的研究。Therefore, the method of lines is applied to characterize the influence of metallization thickness and conductivity loss on the velocity match and impedance match
為此,論文著重分析了共面電極的厚度與有限電導率對行波調制器的微波特性的影響。So the application prospects of linbo _ 3 integrated optic intensity modulators are getting better. two - section cascaded ln intensity modulator applied to laser pulse rectification is presented in this thesis. it is constituted with two - section m - z optical waveguide and cpw traveling - wave modulation electrode
本課題旨在研究以linbo _ 3為襯底材料、以兩級串聯m - z干涉型光波導結構為基礎、以cpw行波電極為調制電極、用於核爆模擬領域激光脈沖整形的集成光學強度調制器。Compared with other materials, polymers have many advantages such as low cost, easy fabrication, better fixation to the sensing polymer film, and the potential for integrating with a to or eo modulator for a fine tuning of phase
與其它光波導材料相比,聚合物降低了材料及器件的制備成本;對聚合物敏感層具有相對更好的固定作用;有利於在傳感器上同時集成調制器(電光、熱光)進行相位微調。In this paper, based on the theoretical analysis of detector and modulator, the ka - band millimeter - wave short pulse detector and modulator are designed
本論文在對檢波器和調制器進行理論分析和研究的基礎上,分別設計了ka波段毫米波短脈沖檢波器和調制器。Secondly, based on the theoretical analysis and the simulation by the ads and hfss, the millimeter short pulse detector and modulator have been successfully fulfilled
其次對毫米波短脈沖檢波器和調制器進行了理論研究,並利用ads軟體和hfss軟體對相關組件進行了分析、模擬和設計。Bulk high - speed traveling wave e - o modulator was also fabricated, the half - wave voltage is just 760 v, response time of the device is low up to 297 ps
此外,用本實驗的ktp晶體製作了體式高速行波電光調制器,半波電壓760v ,脈沖響應時間快到297ps 。Coherent light travelling wave modulator
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