電激發光片 的英文怎麼說
中文拼音 [diànjīfāguāngpiān]
電激發光片
英文
electro-luminscence- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 激 : Ⅰ動詞1 (水因受到阻礙或震蕩而向上涌) swash; surge; dash 2 (冷水突然刺激身體使得病) fall ill fr...
- 發 : 名詞(頭發) hair
- 光 : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
- 片 : 片構詞成分。
- 激發 : 1 (使奮發) arouse; stimulate; set off; stir up 2 [物理學] excitation; exciting; incitement; inc...
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A new laser source of optical communication, erbium - ytterbium codoped phosphate glass waveguide laser that was provided with more prominent performance than semiconductor distribution feedback ( dfb ) laser, has been investigated globally from 1990s. the laser can meet many rigorous demands of wdm systems. the 1. 54 m laser emitted by the laser accords with the interrelated standard of international telecommunications union ( itu ), therefore, a splendent foreground can be predicted about this kind of laser in future optical communication
基於鉺、鐿摻雜磷酸鹽玻璃基片的光波導激光器是一種新型通信光源,具有傳統的分佈反饋半導體激光器所不能比擬的優點,能滿足波分復用/密集波分復用技術對光源提出的諸多高新要求,所發射的1 . 54 m激光符合國際電信聯盟規范,在未來光通信中有著廣闊的發展前景。In the counting system, a semiconductor laser emitter is used as the light source, point laser beam produced by optic system, reflection of part transferred into electric signal by photoelectric triode, and scm system as the counter
採用半導體激光發射器作為光源,經過光學系統形成的最小激光束照射器件,反射光由光電三極體進行光電轉換,計數控制使用單片機系統。Solid laser pumped by semiconductor laser has the advantages of laser diode and solid laser, so it develops rapidly in recent years and gets the extensive application in the fields of military, communication, processing and scientific research, etc. in order to meet the demands for laser power of semiconductor solid laser pump solid yag laser, i synthetically adopt the singlechip digital automatic control technology which is extensively used in the intelligent instruments, products of electromechanical integration and automatic control system, lcd technology, pc switch technology and steady voltage, invariable current technology
半導體激光泵浦的固體激光器由於兼有了激光二極體和固體激光器的雙重優點,近年來得到迅速發展,並在軍事、通訊、加工和科研等領域中得到廣泛的應用。本文針對半導體固體激光器泵浦固體yag激光器系統對激光電源的要求,並且綜合運用了當前在智能儀表、機電一體化產品、自動控制系統中應用廣泛的單片機數字化自動控制技術、 lcd顯示技術、 pc開關技術及穩壓、恆流技術,研製了脈沖半導體激光電源。In the present research, scanning electron microscope ( sem ), laser raman spectroscopy ( lrs ), x - ray photoelectron spectroscopy ( xrs ), x - ray diffraction ( xrd ) and electron probe micro analysis ( epma ) were utilized to investigate the difference in micro - structure and elements distribution between domestic and foreign pdcs. combined with analysis on current manufacturing process, the mechanism for the difference was discussed. scanning electron microscope ( sem ), laser granularity analysis, atom emission spectroscopy ( aes ) and plasma emission spectroscopy ( icpaes ) are also utilized to investigate the grain shape and impurities of key material - diamond power
本課題採用掃描電鏡、拉曼光譜、光電子能譜、 x -射線衍射分析、電子探針等方法分析了國內外聚晶金剛石-硬質合金復合片在微觀組織結構、元素成分分佈方面的差異,結合對現有燒結工藝的分析,研討了造成這些差異的機理;採用掃描電子顯微鏡、激光粒度分析、原子發射光譜、等離子發射光譜等方法對關鍵原材料-金剛石微粉的晶形、雜質含量進行了比較分析測試。Summarizing the development statement of monitoring technology for bridge, based on principle of pulse laser ranger detection and fiber - optic strain measurement, in view of the problem affected by single - chip inherent feature, integrating the goodness of cpld device and single - chip, using a / d converter to measure the count quantization error, a strain measurement system is worked out. the above system chiefly consists of light source, optic fiber sensor, photo detector and signal processing circuit
本文綜述了國內外橋梁監測技術的發展概況,在深入研究脈沖激光測距和光纖應變測試原理的基礎上,針對單片機固有計數頻率低、計數量化誤差大和延時不固定等不足,結合cpld計數頻率高、延時小而固定和單片機控制功能強的優勢,並採用模數轉換技術設計計數量化誤差測量電路,提出了基於激光脈沖時間測量法的光纖應變測量的方案。分享友人