space grating 中文意思是什麼

space grating 解釋
空間光柵
  • space : n 1 空間；太空。2 空隙，空地；場地；（火車輪船飛機中的）座位；餘地；篇幅。3 空白；間隔；距離。4 ...
  • grating : n. 1. 格柵，格子；（船上作地板或透光用的）格子板，格子蓋。2. 【物理學】光柵。adj. 刺耳的，使人煩躁的，討厭的。n. 摩擦，摩擦聲。adv. -ly
  1. Then, establish electric field and magnetic field matching equation of space and plate wave - guide. program about slice - grating - circular polarization. analyse its transmit characteristic and polarization characteristic

    然後運用單極模匹配方法建立空間場和平板波導場的電場和磁場匹配方程，編制分析薄片型光柵圓極化器的程序，得到模擬結果。
  2. 5. examine the factual space of the experimental vls grating sample

    5 、對變柵距光柵的實驗樣品進行了柵距的實際檢測。
  3. Since the space increment within nanometer or sub - nanometer is required, it is difficult to make it only by improving the precision of the graduation system. a phase scanning method for fabricating the vls grating is suggested initially in this dissertation

    實驗結果表明，本文捉出的相位掃描方法原理正確，具有創新性，達到了變柵距光柵所要求的亞納米級的柵距變化精度。
  4. With the focal property and the aberration correcting ability, the varied line - space ( vls ) grating has been successfully used in the areas of astronomical physics, synchrotron radiation, fiber communications and so on. therefore, the ruling of the vls grating is one of the greatest significant tasks of the grating fabrication

    變柵距光柵具有像差校正、自聚焦等優點，在天文物理學、同步輻射、光纖通信等領域有著重要的應用，因此，變柵距光柵的刻劃技術一直是國際光柵製作領域的重大課題之一。
  5. It is. a big problem to fabricate the vls grating, considering its space increment varies within sub - nanometer. hence, the grating ruling engines, in u. s. a, japan or russia, for vls gratings have very complicated graduation control system. although they have fabricated practical vls grating, their costly devices do n ' t adapt to the fabricating practice in our country

    針對於此，美國、日本和俄羅斯等極少數國家為光柵刻劃機設計了十分復雜的分度控制系統，雖然刻劃出了具有實用性的變柵距光柵，但其復雜、昂貴的設備不適合我國光柵加工的具體情況。
  6. It has many unique advantages compared with laser interferometry. and it can achieve higher accuracy and resolution than traditional geometry moir. it has been proved to be very useful in many practical applications, such as microelectronics, ultra - precision manufacturing, bioengineering, medicine, space technology, and material science, etc. in this dissertation, key technologies of nanometer displacement measurement by grating interferometry are systematically investigated, which mainly include measuring theories, designing grating interferometer and new subdividing method for moir interference fringes

    作為能夠實現納米級位移測量的技術之一，光柵干涉位移測量技術具有激光干涉儀不具備的獨特優點，可以獲得比幾何莫爾術更高的測量準確度、更高的解析度，在諸如微電子、超精加工、生物工程、未來醫學、航天技術、材料科學等眾多領域有廣泛的應用前景。
  7. The algorithm, basing on convolution filtering technique and the fringes " gray values max - min distribution, can automatically and accurately carry out space frequency spectra shifting without spectra analysis and spectrogram in the technique of phase method of projected grating for 3 - d object shapes measurement. the new algorithm makes image processing much caster and the technique of object shapes measurement more automated. the phase error caused by filtering and the crossed - optical - axes geometry setup is also discussed

    本文採用投影光棚相位法和數字卷積濾波技術：根據柵線的條紋灰度值分佈具有極大極小分佈的特性，提出卷積濾波形貌光學自動檢測的圖像處理方法，有效地實現了頻譜自動移位，從而進一步提高了圖像處理的速度和形貌測量技術的自動化程度；同時對採用兩光學主軸相交，且非遠心投影系統所產生的誤差進行了分析，並提出了修正方法。
  8. And line grating is used to measure arc length in order to increase angle measuring precision, thus high differentiate locating in space can be realized

    用長光柵測弧長來實現角度測量的高解析度要求，實現空間上的高精度定位。
  9. In this paper we demonstrated a new field - controllable liquid - crystal phase grating which to used in orientation detecting and automatic tracking and aiming in space communication

    本文提出了利用一種新的液晶器件對空間光通信中對激光源進行方位探測和自動跟瞄，即液晶電控光柵。
  10. Through the analysis, it is shown that : 1, while fabricating the grating, the principle of selecting the parameters is : the period should be as large as possible, the etching depth should be small and filling factor should approach to 0. 25. 2, if selecting the parameter combine the selecting principle and the requirement of concrete application, the space of selecting the parameter should be larger than before. 3, while the period to. 4a, the surface profile has no effect on the reflectivity

    通過分析發現： 1 、在製作有一定特性的光柵時，光柵參數的選擇原則為：周期的取值應盡量的大，刻蝕深度的取值應盡量的小，占空比的取值應盡量靠近f = 0 . 25 ； 2 、以參數的選擇原則結合製作的具體應用要求宋選擇光柵的參數，則各個參數的優化空間更大； 3 、當光柵的周期t 0 . 4時，表面面形對反射率沒有影響； 4 、運用臨界周期點隨折射率的變化規律，可以避免由於選擇光柵周期過大而出現一級衍射，從而導致製作失敗。
  11. Ultrasonic space grating

    超聲空間光柵
  12. Crystal space grating

    晶體空間光柵
  13. In this paper, firstly, position measurement tache in cnc system is treated, and the methods of raising space resolution of measurement component is discussed. on the basis of the above, we put forward a new grating signal subdivision method by means of software based on pc and design the corresponding hardware interface circuit

    本文中，首先對cnc系統的位置檢測環節進行了論述，討論了提高檢測元件空間解析度的方法，並提出了新的基於pc機的對光柵信號軟體細分的方案，設計了相應的硬體介面電路。
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