附帶變換 的英文怎麼說
中文拼音 [bùdàibiànhuàn]
附帶變換
英文
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The dissertation refers to comparatively full literatures in the field of vsc, and the development history and characteristics of vsc are summarized, and the elementary concepts, elementary definitions, elementary properties, elementary principles and design methods are particularly introduced, and the causes of the chattering phenomenon are systematically analysed, and the study status of the chattering phenomenon and the main methods to eliminate the chattering are elaborated. for the deficiencies of traditionary methods, three improved methods are developed, which are improved exponent reaching law solution, variable boundary layer solution and the solution by adding an auxiliary continuous control term. for uncertain linear systems, an adaptive fuzzy integral variable structure control stategy ( afivsc ) is put forward to eliminate the chattering around the sliding plane, which introduces fuzzy logic to soften the non - linear discontinuous sig nal in the control variable and utilizes adaptive theory to adjust output membership function according to how much the uncertainty of the system is
比較全面地查閱了關于變結構控制理論的文獻，總結了滑模變結構控制的發展歷史和特點，詳細介紹了變結構控制的基本概念、基本定義、基本性質、基本原理以及設計方法；系統分析了變結構控制系統抖振產生的機理，並闡述了國內外目前對抖振問題的研究現狀以及消除抖振的主要方法；針對傳統抑制和消除抖振方法的不足，改進了傳統方法，得到了三種新的消除抖振的方法? ?即改進的指數趨近律法、可變邊界層法和附加連續項法；針對不確定性線性系統，在變結構控制策略中引入模糊邏輯和自適應理論來消除滑動平面上的抖振，提出了一種自適應模糊積分變結構控制方案（ afivsc ） ，利用模糊邏輯來柔化控制量中非線性不連續部分，採用自適應理論，根據系統不確定性大小在線調整模糊輸出量的隸屬函數，另外，鑒于模糊控制本質上是有靜差的，所以本文選擇了帶積分項的切換函數，由於積分項的存在使系統較正為無靜差系統。This paper presents a algorithm that combined unary code and exp - golomb code. it switched separately in consideration of the difference between luma and chroma coefficients, instead of setting a marking bit which will bing loss at the same time, and also added some corresponding context models. it had been tested on sd, hd and cif, three types of sequence, and the bitrate had been saved by 1. 24134 %, 0. 10016 % and 0. 16029 % on average
針對這種情況，本文引入exp - golomb碼來減少較大的變換系數二值化的冗餘問題，提出了一種unary碼和exp - golomb碼相結合的的二進制化演算法，該演算法避免了設立標志位所帶來的附加損耗，分別針對于變換系數中的luma系數和chroma系數的概率分佈特點，採取了不同的自適應切換設置，並且相應地增加了概率模型。As the strong normal share of the wind, turbulent fluctuation is strengthened and the sands are raised up from the surface ground the wind speed in the atmosphere of the low level has a horizontal share and this pushes the sands in the atmosphere aggregate, so the visibility descend
近地面風速的垂直切變和地面熱通量的加大，都可使使邊界層湍流加強揚起地面沙塵。地面鋒區附近風場的強水平切變，鋒面垂直環流及鋒后斜壓轉換的作用，將地面捲起的沙塵帶到高空，爆發強沙塵暴。This paper points out the main factors affecting the abrupt changes of the lateral stiffness and shear forces near the transfer storey are the stiffness of peripheral tube and the level of transfer storey by the analysis of the abrupt changes in 10 types of tube structure
通過對10種帶轉換層筒體結構轉換層附近剛度和剪力分佈突變的計算分析，指出外筒剛度和轉換層設置高度是影響帶轉換層筒體結構剛度和剪力分佈突變的主要因素。分享友人