spectral band absorption 中文意思是什麼

spectral band absorption 解釋
光譜帶吸收
  • spectral : adj. 1. 鬼的；鬼怪（似）的。2. 【物理學】光譜的。
  • band : n 1 帶，繩；帶形物；箍；箍條；嵌條；鑲邊；鋸條； 〈pl 〉 （法官等的）寬領帶。2 束縛，羈絆；義務；...
  • absorption : n. 1. 吸收，合併。2. 專心，一心不亂，熱中 （in）。3. 〈口語〉飲食。
  1. Gaas / algaas quantum well photodetectors ( qwips ) are new type devices and progressed rapidly in recent 20 years. qwips utilizing intersubband absorption between gallium arsenide ( gaas ) well and aluminum gallium arsenide ( alxga1 _ xas ) barriers were perfected. therefore, the ability to accurately control the band structure and hence the spectral response, as well as both established technology for growing and processing gaas optical devices and commercially available large area vlsi gaas ic ' s, makes gaas / algaas qwips attractive devices for use in very large focal plane arrays ( fpas ), especially available in the range of long wavelength 8 - 12 urn

    Gaas algaas量子阱紅外探測器（ qwips ）是近二十年來迅速發展起來的一種新型紅外探測器，它成功地利用了gaas勢阱和al _ xga _ （ 1 - x ） as勢壘之間的子帶間吸收，使之具有能帶結構可精確設計從而獲得指定光譜響應的特點，加之成熟的材料生長技術、器件工藝，以及商業上可獲得大面積的vlsigaas集成電路，使得gaas algaasqwips尤其適宜製作8 12 m長波范圍的大面陣探測器。
  2. The method plays an important role in distinguishing and studying the complicated and confused spectral characteristics and mechanisms of the rare earth. ( 2 ) it is found and explained that due to the boltzmann distribution law at room temperature, the positions of the fine peaks of the photoluminescence band stemming from the transitions between an excited state and the ground state of a re3 +, match these of the absorption bands from the transitions between the ground state and the excited state. the stark split energy levels of the ground state 4i15 / 2 and two excited states 2s3 / 2 and 4f9 / 2 of the er3 + in er203 have been determined

    薛理輝武漢理工大學博士學位論文摘要（ 2 ）發現在常溫下，由於boltzm ~分佈律的作用，在re3 +的基態電子態和激發態間躍遷所產生的發光譜帶和吸收譜帶中的精細譜峰的位置一一相同，解釋了產生這種關系的原因，並弄清了er203中er3 +的基態電子態4lts . 12和激發態電子態2凡/ 2 、 4凡/ 2的stark能級分裂情況，確定了常溫下erzo3中er3 +的4了15 / 2一2凡/ 2和『 i ， 5 / 2一『凡/ 2精細能級間的躍遷形式。
  3. The first ytterbium - doped yttrium - aluminum garnet ( yb : yag ) laser action was reported back in 1965 using a lamp - pumped rod at 77 k. because of poor spectral overlap of the lamp with the the trivalent ytterbium ion ( yb3 + ) absorption band, the efficiency was very low. lamp - pumped nd : yag lasers fared better due to the multiple pump bands of neodymium

    但yb3 +離子的泵浦吸收帶與閃光燈光譜匹配很差，導致其激光效率很低;而nd : yag的激活離子（ nd3 + ）有多個泵浦帶與閃光燈光譜匹配，較好適應了燈泵浦的需要，長期占據了固體激光器的主導地位。
  4. Absorption - band parameters such as the position, depth, width, and asymmetry of the feature have been used to quantitatively estimate composition of samples from hyperspectral data. so spectral absorptions are very important feature bands in use of hyperspectral classification and targets identify, this paper extracts absorption features of actual hyperspectral image by continuum removed method which is very useful. then tested both of them by

    吸收峰波段參數例如波長位置、深度、寬度、斜率、對稱度、面積等常常被用來定量的估計高光譜樣本的組成，因此光譜的吸收峰是高光譜識別分類應用中很重要的特徵波段，論文通過包絡線去除這種很有效的光譜分析工具提取出了實際的高光譜圖像的地物光譜的吸收峰參數。
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