電光相位調制 的英文怎麼說

中文拼音 [diànguāngxiāngwèidiàozhì]
電光相位調制 英文
electro optic phase modulation
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 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） ...
  • 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...
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 調 : Ⅰ動詞1 （配合得均勻合適） harmonize; suit well; fit in perfectly 2 （使配合得均勻合適） mix; adju...
  • 制 : Ⅰ動詞1 （製造） make; manufacture 2 （擬訂; 規定） draw up; establish 3 （用強力約束; 限定; 管束...
  • 電光 : [光學] light produced by electricity （電能所發的光）; lightning （閃電）; electro optics （電場...
  • 相位 : phase position; phase
  1. At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder

    硬體方面，採用脈沖分配器和單極性電壓驅動技術實現了步進電機的控制和驅動功能;採用脈寬調制技術和cmos互補h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a轉換器實現了交流變頻器的控制功能;採用數字化相位檢測技術實現了感應移相器位置反饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼器位置反饋信號的檢測功能。
  2. Now, people are trying to use various methods, including the electro - optics effect of bso, to modulate the wavefront of light or modulate its phase

    人們正在嘗試著利用bso晶體的電光效應以各種方式進行光波的波前調制和相位調制。
  3. Laser - controlled ground leveling technology is the combination of normal ground leveling technology and laser control technology. the leveling shovel is driven by a tractor and its rising and dropping is controlled by automatic electric system, so the shovel will always operate in the same level. this leveling system also can be installed together with bulldozer and forklift

    激光控制土地平整技術是高科技激光控制技術與常規機械平地技術相結合的土地平整新技術，是由拖拉機帶動平地鏟，對土地進行平整，它的電控系統是對鏟土機的升降實時調整的自動控制技術，是鏟土機始終在同一水平面工作，該系統還可以安裝在推土機、鏟車上，可以廣泛地應用於新建公路、廣場、運動場以及房屋基地的平整，對于起伏不大的場地可以一次性平整到位，大大提高了生產效率和土地平整精度。
  4. In this paper, a simple and practical circuit for laser diode modulation is presented, the principle circuit and the principle of choosing component are given, at last, application in sine wave modulation in non - cooperative target phase shift laser rangefinder is introduced

    本文介紹了一種簡單有效的半導體激光器調制電路，給出了電路原理圖，元件的選擇原則，最後介紹了在非合作目標相位式激光測距系統中實現正弦調制的應用。
  5. In 3. 1 the reflection characteristic of f - p cavity is presented. in 3. 2 the optical - electronic modulation is introduced and the technique of how to make a resonant eom is discussed also

    3 . 1從理論上分析了f - p諧振腔的特點， 3 . 2討論了電光相位調制的特點，介紹了共振型電光相位調制器的製作。
  6. After analyzing the characteristics of the lithium niobate crystal and the principle of electro - optic phase modulation & the coupling of single - mode fiber with optical waveguide, the fabrication of the single - mode lithium niobate bar waveguide and v - groove has been studied, the new project in which the lithium niobate v - groove is used for the coupling of the single - mode fiber with optical waveguide is put forward

    在分析了鈮酸鋰晶體的相關特性、電光相位調制的基本原理以及單模光纖和光波導的對接耦合以後，研究了單模鈮酸鋰條形波導和鈮酸鋰v型槽的製作工藝，提出了使用鈮酸鋰v型槽實現單模光纖與波導耦合的方案。
  7. With the existing condition, the bar waveguide on the lithium niobate wafer with liquid phase proton - exchanged method has been fabricated and the benzoic acid is used as the proton source. a series of research on the domain inversion in lithium niobate crystal with proton - exchanged method have been done. and then the operation and the process of domain inversion in lithium niobate crystal with proton - exchanged method has been used

    實驗方面，利用實驗室現有條件，在鈮酸鋰晶片上以苯甲酸為質子源，用液相質子交換法製作了條形波導;對用質子交換法實現鈮酸鋰晶體疇反轉進行了一系列實驗研究，在此基礎上提出了質子交換法實現鈮酸鋰晶體疇反轉的工藝過程，實現了疇反轉並腐蝕得到了v型槽;設計製作了帶尾纖的電光相位調制器，最後進行封裝。
  8. In the first part of this paper, the theory of laser range and dds technology was introduced, the factors of influencing range precision were also analysed. at the same time, put forward in the paper, with using the fpga embedded technology, the wideband and high resolution sin modulating signals can be generated easily, then analysed the noise of the dds ; in the second part, the theory of phase measurement based on fft was analysed. in the phase range system, by using the fft operation, the resolution and sensibility of phase measurement can be enhanced ; then some circuits were designed and come true, also simulated and validated ; in last part, the improvement of the phase range system was brought forward, summarized and expected

    論文首先闡述了激光測距和調制信號源的基本原理，分析了影響測距精度的因素，指出應用dds技術可以實現寬帶、高精度的調制信號輸出，說明了引起dds輸出信號雜散的原因和解決的辦法;同時分析了應用fft運算實現信號相位提取的基本原理及設計方法，採用這種檢相技術，可以極大地提高測相精度與靈敏度;然後提出了基於fpga嵌入式系統的相位式激光測距機的整體設計，並就各部分進行了詳細的分析與設計;接著介紹了激光測距系統的外圍電路和基於quartusii集成軟體平臺的部分硬體電路的設計，並對其中的設計進行了模擬和驗證;最後總結提出了對系統今後的進一步改進和完善的思路。
  9. The simulated results show that we can improve the sensitivity by setting the optical bias at / 2, reducing the gap of electrode, increasing the overlap integral factor, reducing the insert lose, adopting suitable segmentation number, increasing the electrode length, increasing the optical power, reducing the wavelength and the relative intensity noise and reducing the receive bandwidth ; obtain the wider bandwidth utilizing reducing the electrode length and the capacitance of modulator, segmentation the electrode ; increase the dynamic range using lowering noise, increasing the optical power at the detector and lower optical bias

    通過計算得知，使傳感器相位偏置為/ 2 ，減小電極間距，提高電光重疊因子，減小器件插入損耗，採用合適的分段數，增加電極長度，增大光功率，降低激光的波長，減小相對強度噪聲，減小接收帶寬，對提高靈敏度的效果是非常明顯的。而減小天線長度，降低調制器電容，電極分段，都可以獲取較大的帶寬。降低系統噪聲;增加到達探測器的光功率，採用較低的光學偏置，都可以增大線性動態范圍。
  10. Compared with other materials, polymers have many advantages such as low cost, easy fabrication, better fixation to the sensing polymer film, and the potential for integrating with a to or eo modulator for a fine tuning of phase

    與其它光波導材料相比，聚合物降低了材料及器件的制備成本；對聚合物敏感層具有相對更好的固定作用；有利於在傳感器上同時集成調制器（電光、熱光）進行相位微調。
  11. The application of polymers ( as passive waveguide materials ) to intergrated optical sensing ( evanecent wave sensing ) is a new try as compared with that in thermal sensing [ using thermo - optic ( to ) modulators ] or voltage sensing [ using electro - optic ( eo ) modulators ]

    相對于溫度傳感（熱光調制器）和電壓傳感（電光調制器）應用，將聚合物作為無源波導材料用於集成光波導化學傳感（倏逝波相位傳感）是個新的嘗試。
  12. First. adjust the fiber to get the interferogram, use the four - step phase shifting method control the change of phase, achieve phase shifting. in data processing, take the pzt ' linear influence into account, calibrae the pzt. unwrapping the phase, gain the continuity, get the actual phase. analyzing the data with zernike orthogonal methord, fit polynomials that are not orthogonal over the data points, through visual c + + program, obtain polynomial parameters. calculate the shape of the surface, compare the result with zygo, then achieve the better experimental result

    首先，經光纖耦合輸出調整得到干涉圖，採用四步相移方法，控制干涉圖位相變化，實現相移；數據處理過程中，考慮壓電陶瓷的非線性影響，進行標定；對位相進行模式展開連續性處理，得到實際位相；用zernike多項式正交化方法分析，在離散點上處理數據，經visualc + +程序設計，得到多項式系數，計算出面形分佈，同zygo所得結果進行比較。
  13. First, the principle of electro - optic modulator is introduced. the significance of some key technologies in the lithium niobate phase modulator are expounded, and the status quo of the device are summarized

    本文首先簡單介紹了電光調制器的原理，闡述了鈮酸鋰相位調制器中波導製作、 v型槽製作、器件封裝耦合及可靠性等幾項關鍵技術的研究意義，綜述了其研究、發展現狀。
  14. Weintroduced them into song correlation, presenting pof based on song decomposi - tion ( pbs ) and song decomposition based fringe - adjusted joint transform corre - lation ( sbfjtc ), and their optoelectronic hybrid implementation setups. in pbs andsbfjtc, the sub - linear correlations in the definition of song correlation are sub - stituted by pof and fringe - adjusted joint transform correlation respectively. simula - tion results show that introduced pof and faf perfectly smooth away the extraneous

    我們把這兩種方法應用到song相關器中，提出了基於song分解的純位相濾波器（ pofbasedonsongdecomposition ，簡稱pbs ）和條紋調節聯合變換相關器（ songdecompositionbasedfringe - adjustedjointtransformcorrelation ，簡稱sbfjtc ） ，以及它們的光電混合制備系統。
  15. Design and experiment of acousto - optic waveguide phase modulator in electro - optic integrated acceleration seismic geophone

    光電集成加速度地震檢波器中聲光波導相位調制器的設計與實驗
  16. In addition, from the point of view of practicality, we make a study of experiment and application for double - exposure digital holographic interferometry, namely measuring gradn and grad / i of plane optical flat and measuring phase modulation characteristic of a kind of liquid crystal spatial light modulator ( lc - slm ) - liquid crystal television ( lctv )

    另外，本文還從實用的角度出發對二次曝光數字全息干涉術進行了實驗及應用的研究，具體就是平面平晶gradn和gradh的測量以及液晶空間光調制器（ lc - slm ）中液晶電視（ lctv ）的相位特性的測量。
  17. Measurement accuracy of phase - shift laser range finders is up to millimeter level in large range through multi - frequency modulation and high precision phase difference measurement. however, laser range finders existing is not suitable for large range high speed tracing measurement for their complex multi - frequency modulation circuit and conflict between precision and speed in phase - shift measurement. in order to improve the large range measurement speed and accuracy, key technologies on multi - frequency modulation and high precision phase - shift measurement are deeply researched in this paper

    相位法激光測距採用多頻調制和高精度的相差測量技術可以在大范圍內實現毫米甚至更高精度的測量，但現有的測量裝置由於存在多頻調制電路復雜和沒有很好的解決相差測量的高精度和快速測量之間的矛盾問題，使得相位法激光測距很難應用於大范圍目標快速的跟蹤測量。
  18. The device is a synthetical applicating example of phase modulator, intensity modulator and directional coupler theory. the characters and fabricating process of linbo _ 3 optical waveguide, electrodes design principle, the influence of sio _ 2 dielectric buffer layer on the performance of the device and design principle of tapped power ( ratio ) are analyzed

    該器件是相位調制、強度調制和定向耦合器理論綜合應用的典型，文章從理論上分析了linbo _ 3光波導的特點、製作工藝、電極設計原理、 sio _ 2介質緩沖層對器件性能的影響和抽頭功率的設計原理等。
  19. This thesis describes a all fiber optic accelerometer based on t - g double beam interferometer, the whole system include a coherent source whose wavelength is 1310nm, a flexural optic fiber disk act as sensing unit, photodetector, piezoelectric ceramic act as a phase modulator and signal processing circuit. the all fiber optic accelerometer described in the paper has many desirable engineering features which include : broad frequency response ; high sensitivity to measurands ; antielectromagnetic interference and small size

    本課題研究的是一種基於泰曼-格林（ t - g ）雙光束干涉儀原理的光纖加速度計，系統主要包括：中心波長為1 . 31 m的ld相干光源、起傳感作用的光纖柔性盤、光探測器（ pin ） 、相位調制用的壓電陶瓷以及信號處理系統。
  20. In this paper they study a position - detecting system based on microprocessor and psd ( position sensitive detector ). the method is as follows : when the ac - signal from psd which is illuminated by modulated light source passes through an active band - pass analog filter, it filters the ac signal which represents the object light source. then the dc - converter circuit transforms it into dc - signal which is used to calculate the position

    這一系統採用的方法是通過對位置敏感探測器psd受到調制目標光源照射后輸出的模擬交流信號進行有源帶通濾波，提取出代表目標光源的調制頻率成份，再將該信號轉變為用來參與位置解算的直流信號，然後選用單片機組成硬體電路，對直流信號進行採集處理並與計算機建立通信，把數據送入計算機進行位置解算，分析判別目標光源和psd器件的相對位置。
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