窄帶濾片 的英文怎麼說
中文拼音 [zhǎidàilǜpiān]
窄帶濾片
英文
narrow-band filter-
Colour filters are not very effective in isolating narrow spectral bands.
一些濾色片不能很有效地分離狹窄的光譜帶。The apparatus uses 880, 950nm nir led as light source, interference filter as homochromy device, si photronic as detector. digital signal comes from ad transformation, processed by microprocessor system
以880 、 950nm的近紅外led為光源, 14個窄帶干涉濾光片為單色器,以硅光電池為檢測器,經ad轉換得到數字信號,送單片機處理。Two kinds of filters are presented : by transferring the conventional waveguide cavity filter to the siw, a narrow bandstop filter is designed and simulated, get characteristic of narrow - band bandstop filtering. for example, relative bandwidth 1. 2 %, most attenuation of 48db in band. electromagnetic bandgap ( ebg ) structures present “ forbidden band ” characteristics, siw features high - pass characteristics, so bandpass filters can be composed by combing ebg and siw
本論文提出了兩種基片集成波導濾波器結構:將傳統的腔體濾波器概念運用於基片集成波導結構,設計出了一種窄帶帶阻濾波器,對其進行模擬,得到了窄帶帶阻濾波特性,如相對帶寬為1 . 2 % ,最大衰減為48db 。Narrow - band filter
窄帶濾片Today, liquid crystal, a new functional material, has been applied more and more widely. on the side of display, owing to stable frarne, absolute environmental protecting, save electric energy and no tire for user, liquid crystal display keeps ahead among the range of display. with the developing of the technology of liquid crystsl, lcd will must substitute for crt and become the chief in market. in additin, liquid crystsl light filers which have been used in optic communicatins and light information handling, emply th e technical of combining the birefringence of liquid crystsl and fabry - petrot - type cavity. they manifest a series of merit, such as narrow band wide, deterioration low, wide tuning domain, simple structure and low cost, so liquid crystal light filter draw attention of many country
現在,液晶作為一種新型功能材料越來越得到廣泛的應用,在電子顯示裝置中,液晶顯示器以其畫面平穩、真正安全環保、省電和使用者不易疲勞等優點領先於顯示器的行列中。隨著液晶技術的發展,液晶顯示器將取代crt顯示器逐步成為未來市場的主流。此外,應用於光通信和光信息處理中的電調諧液晶濾光片,採用液晶材料的雙折射和電光效應與傳統f - p腔相結合,表現出窄帶寬、低損耗、調諧范圍寬、驅動電壓低、結構簡單、低成本等一系列優點,而日益受到各國研究部門的關注。In accordance with the problems existed in ir multicomponent gas analysis, a novel mu1tic. omponnt gas - sensitive sensor is developed by using the combination of narrow - band ir filter, light cone and pyroelectric detector array
摘要針對紅外多組份氣體分析存在的問題,採用窄帶紅外濾光片、光錐、熱釋電探測器陣列組合技術,研製了一種新型多組份氣敏傳感器。Effect of error auto - compensation and error of the extremely narrow - band interference filter in dwdm system
Dwdm極窄帶干涉濾光片的誤差與自動補償效應Development of high stability and narrow band standard interference light filter for enzyme content analyzer
酶標分析儀高穩定度窄帶標準干涉濾光片的研製In response to the rapid development of optical communication technology, a lot of design problems in optical thin film need to be solved. in this paper the automatic optical thin film design methods are studied, design problems commonly met in optical communication systems are discussed and the problem of temperature stability of thin film are also discussed
為了適應光通信行業對光學薄膜設計的要求,本文研究了光學薄膜的優化設計方法,重點討論了波分復用薄膜窄帶濾光片的優化設計,並在此基礎上分析了薄膜窄帶濾光片的溫度穩定性。The calculated density of mgf2 with iad was increased from 0. 70 for conventional process to 0. 97. meanwhile we find that the spacer layer has a great influence on the spectral shift. the further the layers are away from the spacer, the less the effect ; in the same way, the iad reduces the spectral shift of nb205 / sio2 narrow band interference filters from 29. 4nrn to 12. 4nm ; the iad reduces the spectral shift of tio2 / sio2narrow band interference filters from 24. 7nm to 8. 4nm
同時發現間隔層對光譜漂移的影響最大,越遠離間隔層的膜層,其影響越小;而nb _ 2o _ 5 sio _ 2多層膜窄帶干涉濾光片漂移從常規工藝的29 . 4nm降到12 . 4nm ; tio _ 2 sio _ 2多層膜窄帶干涉濾光片漂移從常規工藝的24 . 7nm降到8 . 4nm 。In the discussion of design problems in optical communication systems, the design methods for wdm multiplex filter are provided and analyzed
在光通信系統中,對波分復用薄膜窄帶濾光片的設計問題進行了深入的討論。Making use of advantages of led ' s small dimension, low power waste and the relatively narrow bandwidth of interference filter, we develop a portable apparatus which made up of nir led and interference filter, provide a economical and quickly non - damage measurement of wheat components " concentration on fieldwork
本課題旨在利用led體積小、功耗低以及濾光片帶寬相對較窄的優點,研製led與濾光片結合型的便攜式近紅外光譜儀器,為小麥成分的現場檢測提供了一個經濟、快捷的便攜式設備。分享友人