波前傳感器 的英文怎麼說

中文拼音 [bōqiánzhuàngǎnqì]
波前傳感器 英文
wave-front sensor
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 前 : Ⅰ名詞1 （在正面的） front 2 （次序在先的） first; top 3 （過去的; 較早的） ago; before; preceding...
  • 傳 : 傳名詞1 （解釋經文的著作） commentaries on classics 2 （傳記） biography 3 （敘述歷史故事的作品）...
  • 感 : Ⅰ動詞1 （覺得） feel; sense 2 （懷有謝意） be grateful; be obliged; appreciate 3 （感動） move; t...
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  1. Hi this thesis, the technique of detector array is used to obtain the location of anomalous infrasound, it is the basic of the study of prediction of earthquake. to derive useful information by using spectrum analysis on infrasonic signal. then combing with other methods a forecast could be made

    本課題主要是利用數字技術，採用用傳感器陣列計算異常次聲波波源的方位，這是今後預測震中位置研究的前提；並對次聲信號進行頻譜分析，提取有用的關于臨震次聲方面的信息，再結合其他的預報方法，作出準確的地震預報。
  2. The design of dgwfs and the quadratically distorted diffraction gratings is introduced firstly in chapter 1. secondly, based on the prevenient algorithms, the phase retrieval for the novel dgwcs is discussed by comparison, also more analysis is made by examples in chapter 2

    第二章在總結、研究和改進前人理論方法的基礎上，總結了適合光柵型波前曲率傳感器相位恢復的三種演算法，並作了詳細的理論推導、分析和舉例說明，完善了光柵波前曲率傳感器的相位恢復理論。
  3. In this paper, the main research works are as follows : 1 ) survey and analysis previous work in auv navigation and summarize : as the cumulate error, the dead - reckoning and inertial navigation systems ca n ' t be used without other modified system ; the acoustic navigation system is used only in small range, and is very expensive. 2 ) two important approaches in geophysical navigation techniques are summarized, one is terrain contour based navigation, this approach is investigated keystone today ; the other is image based navigation, due to no perfect image sensors and image seabed map, this approach has seldom been practised. 3 ) two important terrain contour based navigation algorithms has been applied to auv, one is match algorithm - based terrain contour match ( tercom ) ; the other is kalman filter - based sandia inertia terrain - aided navigation ( sitan )

    主要研究內容包括：一、總結分析了當前水下導航的常用方法和不足之處，指出基於航位推算的導航方法，存在著最大的問題就是導航誤差的積累問題，如果沒有修正系統，這種方法很難滿足使用要求；其次指出基於聲學的導航方法，造價昂貴，導航范圍有限，難以滿足自主水下航行器大范圍導航的需求；二、總結了當前水下地形輔助導航的主要技術路線，一是基於地形高程的匹配方法，這是當前研究的重點；二是基於地形圖像的匹配方法，由於缺乏良好的圖像傳感器，和可用的海底圖像地圖，目前這種方法還有待研究發展；三、將兩種地形高程匹配的常用方法應用到自主水下航行器上：以相關演算法為前提的地形輪廓匹配（ tercom ）方法和以卡爾曼濾波為基礎的桑迪亞慣性地形輔助導航（ sitan ）方法，前者演算法簡單可靠，但是導航精度不高，後者雖然精度比較高，但存在著演算法較為復雜、有可能發散和出現奇異值等問題。
  4. The following paper is about a type of instrument for the signal collection that can be used to monitor big - size bearing. the key technology about it is also introduced. during the analogue section, principal line is analogue signal pspice simulation

    在故障檢測儀前向模擬信號處理部分，以模擬信號的pspice分析與模擬為主線，分析與設計了傳感器、低通有源濾波器等部分的內容。
  5. In view of predecessors " research achievements we put forward a method using square wave excitation and the fast furrier transformation ( fft ) to realize the comparison calibration for the calibration system of piezoelectric accelerometer

    在吸收前人研究成果的基礎上，文中提出了工作用壓電加速度傳感器校準系統應用方波信號激勵，同時應用快速傅立葉變換（ fft ）的方法來實現比較法校準。
  6. It is shown that the ability of wavefront reconstruction of lsi is better than hws, for the indirect sampling information of wavefront with lsi is more than hws

    結果表明，在相同輸入波前、相同探測面元、相同擬合函數及階數的情況下，橫向剪切干涉儀的波前復原能力比哈特曼波前傳感器強。
  7. ( 3 ) on the basis of kalman filer algorithm and on the premise of two assumptions, namely, state estimation error of each sensor is dependent or independent, kalman filter weight fusion algorithm and modified track - to - track fusion algorithm are proposed, then improved algorithm is applied to the simulation of line - guidance and terminal - self guidance of torpedo

    （ 3 ）基於卡爾曼濾波演算法，在各傳感器估計誤差相互獨立和不獨立兩種假設的前提下，給出了卡爾曼濾波加權融合演算法，在此基礎上，提出了修正的track - to - track航跡融合演算法，並將改進后的演算法應用於魚雷線導加末自導系統的模擬研究。
  8. Simplicity to use and ease to real - time output etc. the quartz crystai microbaiance based on the response of mass change, is a sensitive mass sensor and very suitable to the detection of biomacromoiecuiar. now it is expected to find widely use in ciinic chemistry, pharmaceutics anaiysis, environmentai detection and so on

    而作為一種很有發展前途的傳感器件，壓電體聲波傳感器具有高靈敏度、寬響應譜、價格低廉、操作簡單及方便適時的輸出等優點；尤其是基於質量效應構制的石英晶體微天平具有很高的質量響應靈敏度，特別適合生物大分子的測定而廣泛用於臨床化學，藥物分析，環境質量等諸多領域。
  9. 3. by using the shack - hartmann wavefront sensor, the thermal distortion of the substrate, the single - layer dielectric thin films with different thickness, and the multilayer dielectric thin films with different multilayer thin films ( ybf3 / znse ) irradiated by co2 laser were studied experimentally. 4

    3 .利用夏克一哈特曼波前傳感器，對基底樣品以及不同厚度的介質單層膜樣品和不同膜系的ybf3 / znse介質多層膜樣品在c02激光輻照下的熱畸變進行了實驗研究。
  10. And the correction of a step wavefront produced by a step phase plate is accomplished successfully. 6. according to the phase modulation characteristic of an lcslm, arbitrary complicated wavefronts were modeled. the result shows that lcslm can be use to test the wavefront sensors and controller if lcslm has wider dynamic range and perfect optical quality

    六、通過利用液晶空間光調制器的位相調制特性，成功地模擬產生了任意畸變波前，指出若該器件有更大的位相調制動態范圍和均勻性，將有可能成為校驗波前傳感設備和波前畸變控制系統性能的有力工具。
  11. Due to the advantages such as short response time, easy operation, and convenient to comprehend the wavefront modes, the hartmann wavefront sensor ( h - wfs ) is widely utilized nowadays in real - time adaptive optics system, turbulence statistical characterization, optical components test, light quality evaluation, laser atmosphere communication, the wavefront correction of ultrahigh power laser pulses, as well as human eye aberrations measurement. the detection accuracy is important to the performance of the whole optical system. considerable efforts have been performed in the investigation of h - wfs wavefront detection techniques in past years

    哈特曼波前傳感器具有實時探測，易操作，可以直觀顯示波前畸變分佈等優點，被廣泛地用作自適應光學系統的波前信息探測和波前畸變補償，大氣湍流統計特性表徵，光學元件檢測，光束質量評價，超強激光脈沖波前整形，激光大氣通信以及人眼象差測量等各個領域之中，其探測精度的高低對整個光學系統的工作性能有著極其重要的影響。
  12. Closed - loop transferring characteristics of wavefront sensor noise in adaptive optical system

    自適應光學系統中波前傳感器噪聲的閉環傳遞特性
  13. It shows that when walk - off and diffraction effects could be ignored approximately estimation of the phase distribution of second - harmonic wave could be done. the far field divergent angle and second moment radius of harmonic wave will vary with the aberration of fundamental wave, but the far field divergent angle will be obviously smaller than that of fundamental wave. the phase distribution of both fundamental and harmonic wave is measured using hartmann - shack wave front sensor in the experiment with 1064nm and 790nm lasers, respectively

    這說明利用非線性光學頻率變換方法拓寬波前傳感器件的響應波段是很難實現的，但是，通常三波相互作用過程的研究均是建立在平面波和理想高斯光束之上，因此我們對于位相畸變倍頻過程的研究是非線性光學領域一個重要而有意義的新課題，它有助於人們更加深入理解非線性光學效應，為進一步合理利用之奠定了理論和實驗的基礎。
  14. In fact, hartmann - shack wavefront sensor is affected by the noise of ccd and the constructed error too. in our compare, a bridge is setup, which is the original wavefront composed by zernike polynomial, we transform the original wavefront into far field. then we can compare the accuracy of hartmann - shack wavefront sensor with the accuracy of the system of far field diagnosis in detecting the farfield, using diffraction limit and encircle energy

    我們在進行兩者相互比較的過程中，搭建了一個比較的橋梁，即由zernike多項式組成的各種原始像差波前，將它也變換到遠場作為原始理想遠場光斑，然後，以它的衍射極限和環圍能量曲線作為評價標準，比較hartmann - shack波前傳感器和遠場測量系統在光束質量診斷中的探測精度。
  15. And we simulate the thing by different spatial frequency hartmann - shack wavefront sensor which is used in detecting the far field of laser beam, and we get the result that if magnitude of wave aberration is lower the dynamic range of sub - aperture of wavefront sensor, the more the spatial frequency of hartmann - shack wavefront sensor is, the more the accuracy of hartmann - shack wavefront sensor in detecting high frequency aberration is

    並且波前像差在hartmann - shack波前傳感器子孔徑動態范圍之內，空間解析度高的hartmann - shack波前傳感器對高階像差波前探測時，其光束質量診斷精度高於空間解析度低的hartmann - shack波前傳感器的光束質量診斷精度。
  16. The reasonability of fadw designing should be proved experimentally, so this paper studies the various running properties of the fadw whose output window ' s size is 30mmx30mm experimentally. it uses the methods of the far - field beam profile measurement, the lateral shearing interferometer ( lsi ) and the hartmann - shack wavefront sensing to measure the window ' s optical qualities when the fadw works in the situations of different inlet total gas pressure

    夏克波前傳感器分別對現有的口徑為30mmx30mm的氣動窗口的光學特性和對輸出激光光束質量的影響進行了實驗測量和分析，同時建立了氣動窗口的性能測量的實驗方法，並分析了fadw對輸出激光影響的物理機制（如類透鏡效應等） 。
  17. Wave - front sensor ( wfs ) is one of the most important constitutions of adaptive optics ( ao ) system and can be applied in astronomy, measurement, laser, optical component testing etc. wave - front curvature - sensor ( wfcs ) is a novel and powerful wfs, which settles the difficulty of wave - front reconstruction for shack ? hartmann ( h - s ) sensor

    波前傳感器是自適應光學系統最重要的組成部分之一。波前曲率傳感器作為一種很有前途的波前傳感器，它可以解決hartmann - shack （ h - s ）傳感器波前重構數據處理負擔過重的困難，但其裝置實現比較困難，目前還沒有得到廣泛應用。
  18. The detection and reconstruction of wavefront by lateral shear interferometer ( lsi ) and hartmann wavefront sensor ( hws ) have been deduced analogically and simulated numerically

    對橫向剪切干涉儀和哈特曼波前傳感器的波前探測和復原進行了類比推導和模擬計算。
  19. Wave - front sensor

    波前傳感器
  20. Because the element of the far field diagnosis system which is used to detecte facula is ccd, when it works, much types of noise will affect it, and threshold value will affect the efficient signal. in this paper, hartmann - shack wavefront sensor which can detect the phase of beam is studied, what is detected by hartmann - shack wavefront sensor can be transform into far field, and we compare this result with that detected by the far field diagnosis system, and we can know which system is more accurate

    事實上， hartmann - shack波前傳感器的ccd在探測光斑陣列時，也同樣受ccd噪聲因素的影響，並且還有波前本身的復原誤差，但是hartamnn - shack波前傳感器的ccd噪聲影響的是波前復原精度，雖然這也將導致事後處理遠場光斑的誤差，但這種誤差與遠場測量系統的誤差相比孰大孰小是本文研究的主要內容。
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