相移光柵 的英文怎麼說

中文拼音 [xiāngyíguāngzhà]
相移光柵 英文
psg phase-shifting grating
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 移 : Ⅰ動詞1. （移動） move; remove; shift 2. （改變; 變動） change; alter Ⅱ名詞（姓氏） a surname
  • 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） ...
  • 柵 : 柵名詞（柵欄） railings; paling; palisade; bars
  1. In large dimension measurement techniques, on the two - dimensional optical microscopy work platform displacement signals collection, the introduction of raster feet to achieve large dimension measurements designed raster signal acquisition circuits, a collection of analytical studies of the key circuits, the corresponding solutions, and discussed work platform displacement signals, image data and the actual dimension ; meanwhile driving mechanism designed electrical circuit, laying the foundation for the measurement of two - dimensional work platform automatically

    在超屏幕尺寸測量技術中，關於二維光學顯微工作臺位移信號採集，採用了光柵尺來實現超屏幕尺寸測量，設計了光柵信號採集電路，分析研究了採集電路中的關鍵性問題，提出相應的解決方案，並討論了工作臺位移信號、圖像數據與實際尺寸的關系;同時設計了電機驅動介面電路，為二維工作臺自動測量奠定基礎。
  2. In the height - calibrating method, after the calibration board is moved twice, the calibration matrix can be got from the relationship between the phase and the height of the calibration board

    通過移動標定平面到兩個不同位置，得到標定位置處的光柵圖像，根據平面間的相位差和高度差得到高度標定矩陣。
  3. 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。
  4. During the process of measuring valve phase, the grating displacement sensor and photoelectric axis - angle encoder are applied to measure the displacement of valve and the angle of curving shaft respectively. their signals are sampled and imported into computer. then the three signals are compared to find the relationship of valve phases in order to offer the reliable measuring parameters for the researchers and quality controllers

    在氣門相位測量中，採用光柵位移傳感器和光電軸角編碼器，分別將發動機進、排氣門位移量和曲軸旋轉位移量的變化信號通過采樣，輸入計算機，對三路信號加以比較找出氣門的相位關系，從而為設計開發人員、品質控制人員提供可靠的測量參數。
  5. Application of virtual grating phase - shifting moir 233 ; fringe method to angle departure evaluation of optical components

    用虛光柵移相莫爾條紋法測量光學元件的角度偏差
  6. When the analyzer was located in four angles, a photoelectric detector was used to gather the energy of laser, so we can calculate the retardation of wave plate with the phase shifting

    測量裝置採用了步進電機帶動檢偏器旋轉，運用光柵編碼器測角裝置測量檢偏器的轉動角度，使用光電探測器採集檢偏器在四個方位角度的光強值，根據移相演算法得出波片的相位延遲角。
  7. In present studies of fgesl, the theoretical models usually neglected the contribution of external cavity and fiber grating to the phase condition, and considered the mode distribution of fgesl is in accordance with the mode distribution of ld without fg external cavity. obviously, such process method deviates from the physical facts

    在已有的對fgesl的研究中，所採用的理論模型均忽略了光纖光柵（ fg ）的反射相位及光線在外腔中的往返相移對模式分佈的影響，認為fgesl的模式分佈跟沒有fg中文摘要外腔時ld的模式一致，這種處理方式顯然違背了物理事實。
  8. Compared with d - shaped fiber, the d - shaped fiber bragg grating index sensor is more precise and reliable because the sensed information is encoded into wavelength, which is an absolute parameter, the output does not depend on the light levels, loss in the connecting fibers and couplers, or source power

    光纖布喇格光柵傳感器以波長偏移和功率變化同時作為傳感度量，由於波長檢測對光功率漲落不敏感，相對于只以功率變化作為傳感度量的傳感器件，具有更高的傳感精度和準確性。
  9. 2. based on interoferometric technique, a parasitic interference configuration was introduced to transpose the wavelength - shift signal into phase - shift signal ; the strains were demodulated by measuring the phase change of the signal with a phase - meter

    利用干涉技術，採用寄生干涉結構對傳感光柵的反射譜進行波長解碼，用相位計觀測波長漂移引起干涉儀兩臂間相位差的變化，進而監測作用在傳感光柵上的待測應變量。
  10. Theoretical analysis of bragg wavelength demodulation based on phaseshift fiber grating

    基於相移光纖光柵的布拉格波長解調原理的分析
  11. The bragg wavelengths can be simulated by using coupled - mode theory and the results agree on the experiments. theoretical simulations show that the temperature dependant characteristics of few - mode fiber bragg gratings are similar to those of single - mode fiber bragg gratings. that is, each bragg wavelength shifts as a same rule when the temperature varies and the whole spectrum can maintain its profile

    理論上的推導還給出了少量模光纖光柵的溫度依賴特性與單模光纖布拉格光柵的溫度依賴性相似，得到的結論為在少量模布拉格光纖光柵均勻受熱時，它的幾個反射峰具有相同的溫度漂移，而且這個透射譜的形狀不因為溫度的改變而改變。
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