concave grating 中文意思是什麼
concave grating
解釋
凹光柵-
The spectrograph uses a concave diffraction grating that provides a wavelength dispersion of 4. 2a°/mm in the first order.
光譜儀用了一塊凹面衍射光柵，第一級光譜的色散度為42埃毫米。 -
Molded grating is composed of fiberglass roving combined with a thermosetting resin series designed for different environments and applications smg series standard grating has a concave profile on the upper surface for skid resistance, grit tops are available upon request
採用玻璃鋼模塑成型工藝，在大型金屬模具上製作，製品帶有許多對稱的方形或矩形網格的板材，稱為玻璃鋼模塑格柵， smg為標準英制模塑格柵系列，按客戶要求上表面帶月牙凹型或石英砂防滑，也可以做成表面封閉。 -
The hybrid method can simulate accurately both the imaging and polarization - dependent diffraction characteristics of a concave grating. to meet the growing need for flattened passband in a practical wdmsystem, three design methods, namely, the tapered output waveguide structure with air - slots, the three - focal - point method and the analytical method of spatial phase modulation, are introduced to achieve a passband - flattened diffraction grating device
針對實際光通信應用中對通帶帶寬的需求，本文提出了「結合空氣槽的漸變輸出波導結構方法」 、 「三焦點方法」及「顯式公式空間相位調製法」三種使平面集成型衍射光柵波分復用器件獲得平頂型頻譜響應的優化設計方法。 -
In this system, we employed a newly developed multi - channel photodetector - ccd ( charge coupled devices ), as well as a concave holographic diffractive grating, to form multi - channel splitting system of spectrum - polychromator. these all solidified the foundation of the fast measurement subsequently
在本系統研究中，採用新型的多通道光電探測器件? ?電荷耦合器件（ ccd ） ，並引入平場凹面光柵構成了多通道光譜分光系統? ?多色儀，從而為多通道快速光譜測量準備了物質條件。 -
Concave grating spectrometer
凹表光柵分光計 -
Abney mounting for concave grating
阿布飾凹面光柵裝置 -
In this system, we employed a newly developed holographic filed concave grating as splitting beams element, as well as multi - channel photodetector - ccd ( charge coupled devices ) as spectrum detection. these all solidified the foundation of measurement ; microcomputer control make the system automatic
採用新型的全息平場凹面光柵作為分光元件，並引入多通道光電探測器件ccd進行光譜信號探測，為光譜反射率的測量準備了物質條件；採用微型計算機控制，達到自動化測量。
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