pof 中文意思是什麼

pof 解釋
檔定址暫存區
  1. The whole circuit ' s timing generation and synchronization was realized with cpld. as the channel of data transmitting, pof can isolate high voltage part and low voltage part efficiently. at the same time, a single chip processor was used to design a digital meter for the fiber current transducer

    系統採用cpld實現整個工作電路的時序發生和同步協調，利用光纖實現高壓部分和低壓部分的完全電氣隔離和實現信號傳輸，採用單片機技術實現混合式光纖電流互感器專用數字顯示儀表的設計。
  2. Because the plastic optic fiber ( pof ) have many advantage in short distance communication, such as fine flexibility, connect easy, cost low and so on. in the field of sensing, compared with the silicca optical fiber ( sof ), the pofs have high sensitivity, the range of measurement is big. so the plastic optical fiber more and more is valued by people, it has the quite considerable potential market and the application prospect

    由於塑料光纖（ pof ）在短距離通信中所顯示出來的可撓性好、對接容易、成本低等優勢及其在傳感領域較石英光纖（ sof ）有靈敏度高、動態測量范圍大等優點，塑料光纖越來越受到人們的重視，具有相當可觀的潛在市場和應用前景。
  3. As a result of the plastic optical fiber itself characteristic, the pof is used as the transmission material in short distance communication, has demonstrated the huge superiority in the recent years, thereupon the plastic optical fibre access network is an important developing direction of optical access network of future. the second chapter first to make the comparison among the copper wire, the silica fiber and the plastic optical fiber, pointed out the plastic optical fiber is better in the short distance communication, then introduced the development course of pof in the communication filed, finally proposed the plan scheme of the plastic optic fibre access network of a kind of building

    塑料光纖本身的特點使得其作為短距離通信用傳輸媒質在近些年內已展示出巨大的優勢，於是塑料光纖接入網是未來光接入網一個重要的發展方向。本論文第二章首先對主要的接入網媒質銅線、石英光纖和塑料光纖進行比較，指出塑料光纖在短距離通信方面的優勢，接著介紹了塑料光纖在通信方面的發展歷程，最後提出了一種樓宇塑料光纖接入網的計劃方案。
  4. Pof, economical and practical, has high tenacity, light weight and even thickness

    韌性強，重量輕，厚度均勻，經濟實用
  5. For many experiments, using high pureness mma, controlling polymerization temperature and polymerizing condition under high - pressure nitrogen gas and heat treatment after polymerization, a transparent preform without any bubble and blemishes was prepared. then drawing this preform, gi - pof with diameter 0. 8 - 1. 0mm was obtained. because of the limitation of the experimental conditions and the shortage of the money, it is very regretted that we ca n ' t test the index profile and the loss of the gi - pof accurately

    在系統研究界面凝膠法原理和聚合機理的基礎上，通過多次實驗總結、改進，在制備過程中採用提高精餾效率、控制溫度、加壓聚合、氮氣保護和後期處理等措施，制備出無氣泡及銀紋缺陷、光潔、透明的光纖預制棒，拉絲得到直徑0 . 8 - 1 . 0mm的gi - pof 。
  6. In this novel technique conventional equipments could be used, and this technique could be applied to the commercial production of the core materials of fiber in pof

    該工藝基本上保留了常規方法的設備，適合工業化生產制備塑料光纖纖芯材料。
  7. So we decide to fabricate gi - pof by the method of interfacial - gel mass polymerization of methyl methacrylate ( mma ). secondly, some ways for purifying mma such as two - stage rectification, dynamic melt crystallization and distillation - melt crystallization hybrid process were researched

    其次討論了制備塑料光纖的主要原料mma的精製方法，研究了填料塔兩級精餾、動態熔融結晶及熔融結晶-精餾耦合工藝，提出用分子蒸餾法提純摻雜劑的設想。
  8. Pof : polymer optical fiber

    聚合體光纖
  9. Pof polymer optical fiber

    聚合體光纖
  10. During the accelerated thermal aging and ultraviolet radiation aging of pmma which is used as the core materials of fiber in pof, it was found that the relative permittivity of pmma decreased significantly to approximately equal to its square refractive index

    摘要實驗中觀察到用作塑料光纖纖芯材料的純有機玻璃（聚甲基丙烯酸甲酯）在加速熱老化和紫外老化過程中其相對電容率急劇下降至大約等於其折射率的平方，即有機玻璃由極性聚合物變為非極性聚合物（ 「全去偶極子極化」現象） 。
  11. Firstly the techniques of fabricating plastic optical fibers were introduced. the loss of pof, the loss mechanism and the method to decrease loss of pof were generally analyzed

    首先系統總結了塑料光纖的製作方法、傳輸損耗、產生損耗的原因及減小損耗的基本方法。
  12. The third chapter introduced the experiment of thermal pre - elongated taper on the pof. through experiment repeatedly, the paper proposed the good parameter of plastic optical fiber thermal pre - elongated taper, and give some test and analysis on the thermal pre - elongated taper plastic optical fiber

    本論文第三章對塑料光纖熱預拉錐的實驗進行了介紹。通過反復實驗，本論文提出較好的塑料光纖熱預拉錐相關工藝參數，並對拉錐后的塑料光纖進行相關的測試分析。
  13. Cracking - resisting and shocking - resisting, the properties of pof are rather stable under very high or low temperature and pof can ' t break, melt or crush, fitting for packing frozen cargo

    耐斷裂、抗沖擊，在高溫或的低溫下相當穩定，不會出現斷裂、熔化、破碎等問題，適用於長途運輸和冷凍產品的包裝
  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. Through introducing some other highly developed filtertechniques into sbnc, further improving the performance of sbnc is just the themeof my dissertation. phase - only filer ( pof ) and fringe - adjusted filter ( faf ) are two kinds of filter - ing techniques widely used in pattern recognition with good output performance

    純位相濾波器（ phase - onlyfilter ，簡稱pof ）和條紋調節濾波器（ fringe - adjustedfilter ，簡稱faf ）是兩類性能優良且在模式識別領域得到廣泛應用的濾波器技術。
  16. The coupling criterion for single - mode pof and silica fiber does n ' t exist because single - mode pof has n ' t been applied widely

    由於目前單模塑料光纖還沒有得到廣泛的應用，也不存在單模塑料光纖和單模石英光纖的耦合標準。
  17. The principle and realization of auto - coupling system for single - mode pof and silica fiber is introduced in this paper. in this system, from analyzing the feedback data of optical power and picture, two fibers can be accurately coupled

    在耦合系統中，上位機控制部分利用光功率計和採集圖像的反饋數據，根據一定演算法對該數據進行分析，從而驅動步進電機，使兩光纖達到精確耦合。
  18. However, the capabilities of single - mode pof or bragg grating of the pof should be tested in the laboratory, the coupling for single - mode pof and silica fiber is required, then the properties of single - mode pof and bragg grating of pof can be tested in the laboratory

    然而在實驗室中，由於要對單模塑料光纖或塑料光纖光柵進行一些性能測試，就需要單模塑料光纖和單模石英光纖的耦合。
  19. Pof, with good function of environmental protection, harmless and nonpoisonous, can substitute pvc film, especially used in packing food, medicine and exports

    環保性能好，無毒無害，是pvc膜的替代品，尤其是用於食品、醫藥及出口產品的包裝
  20. We use rogowski coil as the sensor that mounted on high voltage power line. after converting rogowski coil ' s analog signal to digital signal, we transmit the digital signal to low voltage part through pof where we resume the analog signal and finish the tasks of measurement

    採用rogowski線圈作為高壓電力線上的傳感頭，將rogowski線圈的輸出數字化后，通過光纖傳送到低壓端恢復成原來的模擬信號，實現對高壓電力母線電流的測量。
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