convergent improvement 中文意思是什麼

convergent improvement 解釋
輻合改進
  • convergent : adj. 1. 漸集一點的，會聚性的；包圍集中的。2. 【數學】收斂的。n. 【數學】收斂子；漸近分數。
  • improvement : n. 1. 改良，改進，增進；進步。2. 利用，活用。3. 〈美國〉（增高房屋、土地等價值的）裝修，改良措施。4. 更優秀的人，更進步的人。
  1. Point diffraction interferometer - a physical idea, is invented by smartt and strong in 1972, advanced by smartt and steel, and used to test astronomical telescope, it has simple structure and has not special demand to source. recently. with the development of fiber ' s manufacture and coupling technology. the simple modern fiber ' s center is smaller than before, this make it possible to progress fiber point diffraction interferometer ( pdi ), in addition to test convergent wavefront, it can test the reflective concave. the excellence of pdi is that it does not need standard mirror. in intereference testing, the standard mirror is the main reason which limit the improvement of precision, pdi can avoid difficulty to provide the wide future for high precision testing. pdi, which produce the standard sphere wavefront, is an instrument which realize the phase shifting with piezoelectric transducer ( pzt ), and collect the interferogram with ccd, in this paper, a adjusting methord is described, then data processing is obtained

    點衍射干涉儀這一物理思想，早在1972年smartt和strong就已發明，由smartt和steel做了進一步發展，並成功的用於檢測天文望遠鏡，它結構簡單，對光源沒有特殊要求，近年來，由於光纖製造工藝以及耦合技術的發展，單模光纖纖芯不斷縮小，為光纖點衍射干涉儀得以發展提供了前提條件，該干涉儀由激光照明，除了檢測會聚波前外，還可以用來檢測反射凹球面，進而應用到單個面形的檢測；另外，光纖點衍射干涉儀最大的優點是不需要標準鏡，在干涉檢測中，標準鏡是檢測精度受限的很大原因，光纖點衍射干涉儀能繞開這一難度，為進行高精度的光學檢測提供了廣闊的前景。
  2. However, in the process of comparable text reading teaching, proper guidance and regulation must be provided to the students so that their attention will be directed towards the improvement of explorative thinking, divergent thinking, selective thinking and convergent thinking abilities

    參讀教學中必須有效地做好對學生思維的指導和調控，抓住學生探索性思維能力、發散性思維能力、選擇性思維能力、收斂性思維能力的培養。
  3. In the third chapter, we explore the conic interpolation model ( cim ), including its origin, improvement contrasted with qim. especially, we give the computing steps and convergent property of the method proposed by ni and hu, because our further research is based on this method

    第三章我們介紹了錐模型的起源和演算法的發展過程，並著重對于演算法模型的確立，演算法的詳細步驟，演算法所具有的優勢及存在的問題做了較詳細的介紹。
  4. Some improvement are made on the ground of direct method, such as adding the outer iteration and adopting dynamic convergent criterion to accelerate it, introducing the iteration step factor, adding the flux criterion to main iteration, etc. compared with the other two computation methods, the modified direct method has the advantage of wide calculational range and high precision

    在直接法的基礎上作了幾點改進，如引入參數使得主迭代中增加了外迭代並採用動態收斂判據加速迭代過程，引入步長調整因子f ，給主迭代收斂條件增加了通量判據等。
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