正弦光波 的英文怎麼說
中文拼音 [zhēngxiánguāngbō]
正弦光波
英文
sinusoidal light wave-
According to the theory of scalar diffraction, first, the equipollence of spatial distribution of the plane - wave interferential field and parallel projective sine grating is discussed
摘要根據標量衍射理論,首先討論了兩平面波干涉場的空間分佈與平行投影正弦光柵的等價性。Biology, etc. owing to many merits has not yet been used to measure parameters of gratings. the paper researches on the subject in view of current lack of it. the main tasks of the paper include : analyzing ellipsometric characteristics of gratings in detail with vector diffraction theory and ellipsometrics ; devising a reflective quarter wave plate at normal incidence according to some ellipsometric characteristics ; making use of normal simplex algorithm during ellipsometric inversion of gratings parameters, inversing ellipsometric parameters with gaussian noise of different standard deviations to simulate actually measured values with examples of isotropic metallic and anisotropic step gratings and testing that ellipsometry about gratings parameters is feasible with the range of certain precision ; discussing choice of incidence angle at length
本論文的主要工作包括:結合光柵的矢量衍射理論和薄膜的橢偏理論,詳細分析了光柵的橢偏特性;並且根據一些橢偏特性設計出一款正入射反射型單波長1 4波片;在光柵參數的橢偏反演中,引入正單純形法作為反演演算法,分別以各向同性的正弦形金屬光柵和各向異性的階梯型光柵為例,在標準橢偏值的基礎上加入不同偏差的高斯噪聲來模擬實際的橢偏測量值進行反演,在一定精度范圍內得出滿意的光柵參數,說明光柵參數的橢偏測量是可行的;還就入射角的選取問題進行了一定的探討。The signal testing unit examines directly the production parameter - the belt " s velocity and sends out electrical signal similar to sine wave. the signal handling and analyzing unit disposes of the sensor " s output signal by amplifying, plasticisering a / d transforming and measuring and displays it digitally. after the alarming and controlling unit compares the testing signal with the standard one and analyses, it will show the normal production situation or alarm at the abnormal state and control the related equipments if it is necessary
信號檢測單元直接檢測皮帶速度,並輸出近似正弦波的電信號:信號處理與分析單元對傳感器輸出信號進行放大、整形、 a d轉換和計算等處理,並進行數字顯示;預警、報警、控制單元將信號與標準信號進行比較,經分析后顯示正常狀態或對異常狀態進行聲、光預警、報警。Optics and optical instruments. environmental test methods. temperature cycles combined with sinusoidal or random vibration
光學和光學儀器.環境試驗方法.與正弦波振動及隨機振動組合的溫度循環Optics and optical instruments - environmental test methods - temperature cycles combined with sinusoidal or random vibration
光學和光學儀器.環境試驗方法.與正弦波振動或隨機振動組合的溫度循環Two significant technologies were analyzed for stage lighting control system sine wave dimmer and network management in this paper
對燈光控制系統中的兩項重要技術? ?正弦波調光和網路化管理進行分析和探討。In this paper, the foundamental principles of fd _ bpm ( finite - difference beam propagation method ) used to simulate and calculate the process of beam propagation is first introduced. then , the theory of boundary condition is carefully presented. based on those theories mentioned above, a new kind of fd _ bpm arithmetic is brought forward. compared with the traditional arithmetic, this one has much more advantages. in virtue of the new arithmetic, author accomplished the whole simulating designs with two kinds of optical splitter ( stright y - junction optical splitter and sine - type optical splitter ), including propagation field simulating, vital parameter calculating, acquired some optimized waveguide parameters , and finished the template by those results at last
本文主要藉助這種改進的fd _ bpm演算法,對兩種結構的光分路器(直y型光分路器,上升正弦型光分路器)進行了器件設計的軟體模擬,包括對兩種結構光分路器傳輸場進行模擬,並對兩種結構光分路器的重要參數,如波導寬度,分叉角,縱橫比,損耗進行了模擬計算;得到了一些有價值的優化波導結構參數值,根據這些優化值設計製作了光刻模板。In experiment process, aim at the current rotary encoders output is not ttl wave type, the writer designs the hardware integrated circuit by that can turn the current wave into ttl wave, and it obtains the good result. finally the thesis creates the pcb card of the chip module, and makes use of the hp signal occurrence apparatus 33120a finishing the on - line data collection, give out and analysis the experiment result
在實驗過程中,針對現有圓光柵編碼器輸出波形為正弦波,設計了正弦波轉為方波的硬體集成電路,取得了很好的效果;製作了下位單片機系統的pcb板;最後利用hp33120a信號發生器,對其發出的信號進行實時採集,給出了實驗結果並加以分析。Error evaluation formula of measuring harmonic distortional sine wave ' s amplitude with laser interferometer
激光干涉儀測量失真正弦波形位移誤差估計式In this thesis, we present the law and method to generate structured illumination based on fresnel diffraction. by applying rsd theory, we analyzed the spatial distribution of fresnel diffraction field of sinusoidal grating and its available application in 3d sensing
本文詳細地研究了基於菲涅耳衍射的結構照明的原理和方法,利用角譜理論(平面波衍射理論)分析了正弦光柵的衍射光場的空間分佈及其在三維傳感中應用的可能性。For the first time, three types of sine structures for wavelength linear scale in grating spectrum instruments are described systematically. the tuning structures for wavelength linear scale in both littrow and littman set - up external - cavity laser diodes are designed
( 3 )首次系統地分析了光柵光譜儀器中的三類正弦機構,分別設計了可實現波長線性標度的littrow和littman外腔半導體激光器調諧機構。( 2 ) the properties of displacement measurement based on self - mixing interference are mathematically analyzed. first, how the external phase influences upon the output frequency, intensity, power and line - width is discussed. then, the output signal ' s properties modulated by four waves, including sine wave, square wave, triangular wave and saw tooth wave, is discussed
( 2 )通過數值分析討論了自混合干涉位移測量系統的基本特性,包括外腔相位對輸出光頻、輸出強度、輸出功率、譜線寬度的影響,以及正弦波、方波、三角波、鋸齒波調制反射體位移時輸出信號的特點。Pulse signal is connected by the customer. signal can be sine wave or square wave. modulation frequency can be to 1mhz few model can be to 10mhz ; inner modulation type no need signal from out side
外調制式激光器留有專用的信號介面,由用戶接入脈沖信號,信號可以是正弦波,也可以是方波,調制頻率可到1mhz個別型號調制頻率可到10mhz 。分享友人