電聲偏轉 的英文怎麼說
中文拼音 [diànshēngpiānzhuǎn]
電聲偏轉
英文
electroacoustical deflection-
Theory and experiments of bulk - wave acousto - electro - optical ( aeo ) device, involving one - dimension and multi - dimension, are systematically studied. the thesis includes the following contents : coupled - wave equation theory of aeo interaction, determination of the optimum operating mode of aeo device, geometrical relationships of the anisotropic acousto - optic interaction, design and experiment of the aeo device. finally, the optimum design of ao device with beam steering theory is also studied
論文主要研究內容包括:一維和多維聲電光效應的耦合波方程及其衍射效率計算公式的建立、一維和多維聲電光器件最佳工作模式的選擇、聲電光晶體反常聲光互作用幾何關系的計算、 ln一維反常聲電光器件和kdp二維反常聲電光器件的設計製作以及實驗測試、正常與反常超聲跟蹤聲光偏轉器的優化設計。Meanwhile, such parameters as diffraction efficiency, deflection angle and driving power of device have been analyzed and computed theoretically
電極厚度以及器件的聲光衍射效率、偏轉角度、聲驅動功率等參數。最後是器件的製作。With the advantages of high gain and output power, low noise, wide bandwidth as well as no relation with polarization, edfa changes the traditional optical - electrical - optical relay mode step by step in many fields, and becomes an indispensable device in modern optical communication systems. it saves the expensive cost in optical - electrical transition, makes equipment easy to operate and maintain
由於其本身具有高增益、高輸出功率、低噪聲、帶寬寬、與偏振無關等優點，在很多領域和場合， edfa正逐步取代傳統的光-電-光中繼模式，省去光電/電光轉換的昂貴成本，便於設備的運行維護，成為現代光纖通信系統中不可缺少的關鍵部件。A collinear acoustooptic - deflector of pronton - exchanged linbo3 channel wave - guide is studied. the theoretical analysis, structure design and device fabrication of linbo3 pronton - exchanged acoustooptic wave - guided deflector have been finished in this thesis. the width of wave - guide, the width, spacing, effective aperture and width of electrode of interdigital transduces have been theoretically analyzed and designed
本論文研究了一種質子交換linbo3溝道波導共線式聲光偏轉器，其特點是利用了溝道波導的橫向約束，限制了聲波的發散和衍射效應，使得窄孔徑電極結構得以實現，從而增加了功率密度，使總的聲場驅動功率降低。Basic function : heat source is anti - blast infrared - tube made of microcrystal quartz ;, continuosly variable mattress tilt, radiant head can two - directory rotate on horizon, x - ray cassette shelf under infant bed ; high - bright erdiate lamp detect lightness ; advanced microprocessor control temperature system, auto - heated mode, separately display set temperature and real temperature ; 4sound - light alarm capacity : set - off, fan, sensor, over temp.
基本配置：採用了防爆型微晶石英紅外管作輻射熱源，嬰兒床斜傾角度有級可調，輻射頭可在水平位置上雙向隨意轉動，嬰兒床下內設有x光暗盒架，檢查照明採用高照度射燈，溫度控制系統採用先進的計算機控制，自動加熱方式，設定溫度和實際溫度分屏顯示，有四種聲光報警功能（溫度上下偏差、傳感器、斷電、超溫） 。Basic function : heat source is anti - blast infrared - tube made of microcrystal quartz ; continuously variable mattress tilt, radiant head can two - directory rotate on horizon, x - ray cassette shelf under infant bed ; high - bright eradiate lamp detect lightness ; advanced microprocessor control temperature system, autoheated mode, separately display set temperature and real temperature ; 4 sound - light alarm capacity ; set - off, sensor, over temp
基本配置：採用了防爆型微晶石英紅外管作輻射熱源，嬰兒床傾斜度有級可調，輻射頭可在水平位置上雙向隨意轉動，嬰兒床下內設有x光暗盒架，檢查照明採用高照度射燈，溫度控制系統採用先進的計算機控制，自動加熱方式，設定溫度和實際溫度分屏顯示，有四種聲光報警功能（溫度上下偏差、傳感器、斷電、超溫） 。In the design of optical system, to improve system precision, the fiber optic coupler is added to make a laser pulse circle ; in the unit of photo detection, we make a high - precision temperature compensation apd bias circuit, which allows system to abate the noise caused by temperature changer and dark current
應變測量系統主要由光源、傳感光纖、光電探測器和信號處理電路組成。在光學系統設計中為提高系統的精度採用了光纖定向耦合器實現光脈沖的循環；在光電轉換單元上採用高精度溫度補償的apd偏置電路，減小了溫度和暗電流帶來的噪聲干擾。分享友人