multilevel combination 中文意思是什麼

multilevel combination 解釋
多層次聯合
  • combination : n 1 結合，合併，混合，聯合，配合，組合。2 合作；共謀，同謀；同黨。3 〈pl 〉〈英國〉連褲襯衣。4 【...
  1. Multilevel inverter technology is a pop research in high voltage and high - power converting fields. it can synthesize multilevel output with the distribution of dc voltage and the combination of different switching actions to reduce voltage stress across the switches and bulk of the equipment, and lessen output harmonic distortion and switching loss of the inverter

    多電平逆變器是當前高壓大功率電能變換領域中的研究熱點之一，它通過對直流側的分壓和開關動作的不同組合，實現多電平階梯波輸出電壓，能有效地減小器件承受的電壓應力，縮小裝置體積，減小輸出電壓諧波和開關損耗。
  2. Combination with membership function, decentralized use of interactive programming, the multilevel problem is simplified to single level. the satisfied solution can be gained

    並利用模糊數學中的隸屬函數，逐層使用互動式規劃法，將多層問題化為單層問題，求得問題的滿意解。
  3. Based on the existent theory and the engineering application, the thesis study the good performance by combined the adaptive modulation technology and the multilevel modulation technology on the simulink model. experiment results show that this combination bring on the high data transmittable efficiency and the well transmission quality. this chapter is a base of next chapter

    根據已提出的基本理論，論文基於工程應用，在模擬模型上對自適應調制和多元調制方式的結合所產生的優良的性能進行了探討，模擬顯示出這種結合帶來的高數據傳輸效率和大的傳輸質量改善，本章是第三章的基礎。
  4. In order to inprove the tracking performances of some sensors and local nodes, the paper discusses the state estimation techniques in multilevel multisensor surveillance systems with feedback information. based on the single sensor kalman fitering equations with feedback information, this paper presents two - level centralized, distributed and hybrid track level fusion methods with feedback information in multicoordinate systems. in the different cartesian coordinates, several kinds of track level fusion methods with feedback information for three - level multisensor data fusion systems are proposed, in which centralized - distributed, distrbuted - distributed and hybrid - distributed estimation combination problems with feedback information are considered, and proves that two kinds of three - level estimation solutions with or without feedback information are optimal and equivalent in the form of the theorem. the simulation results show that the multilevel multisensor data fusion system can not only increase the global estimation acuracy of target but also greatly improve the tracking perfomances of some sensors and local nodes by using the feedback information

    為了改善局部節點和傳感器級的跟蹤性能，本文研究帶反饋信息的多級式多傳感器系統中的狀態估計技術.在給出有反饋信息情況下傳感器級狀態估計解的基礎上，本文提出多坐標系中有反饋信息的兩層集中、分佈和混合估計方程.在不同笛卡爾坐標系中，本文提出了幾種帶反饋信息的三層多傳感器系統中的航跡級融合方法，其中包括集-分估計、分-分估計和混-分估計，並以定理的形式證明有、無反饋信息情況下的兩類三層狀態估計是價的、最優的.模擬結果表明，在多傳感器信息融合系統中引入反饋機制可以明顯改善一些局部節點和傳感器級的跟蹤精度
  5. The main point of this project is to research the theories and applications of artificial neural network ( ann ) which is suitable for large scale science data mining. especially, our research focus include : dimension reduction techniques based on independent component analysis ( ica ) and wavelet - based denoising or compressing techniques for feature extraction in scientific datasets which have complex features ; classify and clustering techniques of ann combination with data grid, back - propagation neural network, self - growing multilevel self - organizing map for large scale knowledge founding in sdm

    特別深入研究以獨立分量分析（ ica ）為主的降維技術、以小波神經網路為主的壓縮降噪技術解決科學數據特徵復雜不便識別的問題;以同網格結合的神經網路、誤差反向傳播的bp神經網路、自適應多級自組織特徵映像網路為主的分類、聚類技術解決科學數據挖掘中的大規模知識發現問題。
  6. Multi - carrier adaptive multilevel modulation technology maybe regards as a kind of transform combination by n single - carrier adaptive multilevel modulation technology approximatively. multi - carrier transmission can improve performance of the attenuation consumedly but single - carrier transmission ca n ' t

    多載波自適應多元調制可以近似看成由n個單載波多元調制的變換組合，但由多載波傳輸對衰落的改善是單載波傳輸所不能比擬的。
  7. Chapter 3 studied the results that come from the combination of the multi - carrier transmission technology and the adaptive multilevel modulation technology in detail, and bringed up to apply the technology to wireless channel transmission. the feasibility and advantage been testified by computer simulink

    第三章詳細討論了多載波傳輸和自適應多元調制相結合的效果，提出將這種技術應用於無線通道傳輸的想法並模擬證明其可行性和優越性。
  8. For the factors affect simulation outcome uncertainly and fuzzily, this paper will optimize the simulation projects by multilevel fuzzy - synthetic judge that get from the combination of fuzzy technique with classic synthetic judge theory

    由於涉及到經濟效益和社會效益等各種不確定性因素，本文將模糊技術同經典的綜合評判理論相結合，引入多級模糊綜合評判進行方案的優選。
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