fundamental vector 中文意思是什麼
fundamental vector
解釋
基本向量- fundamental : adj 1 基礎的，基本的，根本的，重要的；原始的，主要的。2 【物理學】基頻的，基諧波的；【音樂】基音...
- vector : n 1 【數學】向量，矢量，動徑。2 【航空】飛機航線；航向指示。3 【天文學】幅，矢徑。4 【生物學】帶...
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From the fundamental equations of ac servo system, using the principle of coordinate transformation of vector a concise mathematical model is deduced, the speed examination arithmetic of pmsm is obtained
摘要根據交流伺服電機的工作原理，利用矢量坐標變換原理，推導出交流永磁同步電動機的矢量控制數學模型，得出了交流永磁同步電動機速度檢測演算法。 -
This thesis proposed a real - time detection method for fundamental negative - and positive - sequence based on space vector
本文提出了一種基於空間矢量概念的基波正序、負序分量實時提取新方法。 -
Based on the adaptive interference canceling theory and the concept of space vector, an adaptive fundamental positive / negative sequence component and harmonic component detecting method is developed. due to the close loop structure, this method has quite good robustness, and can meet the requirement of the asymmetrical control of hvdc - vsc well
運用自適應干擾對消原理和空間矢量的概念，提出了一種基波正序分量、基波負序分量及諧波分量的自適應檢測方法，並進行了詳細的理論分析，為研究hvdc - vsc的不對稱運行控制奠定了基礎。 -
In this paper, the fundamental algorithms of toolpath planning of chinese characters based on vector font are discussed and analyzed. the object is to do some groundwork for developing a cnc ( computer numerical control ) engraving software of all copyright reserved
本文主要內容是基於矢量漢字庫的數控雕刻刻刀軌跡規劃基本演算法的研究，旨在為開發自主版權的數控雕刻軟體打下基礎。 -
Based on the concept of space vector, an open loop detecting method for the fundamental negative and positive sequence components as well as the harmonic components is developed, which combining the conventional detecting method based on filters and the concept of space vector. this method can overcome the defaults of the conventional detecting method, and can meet the requirement of the asymmetrical control of hvdc - vsc
基於空間矢量的概念，提出了一種開環的基波正序分量、基波負序分量及諧波分量的實時檢測方法，這種方法可以看作是空間矢量的概念與傳統的基於濾波器的諧波檢測方法的結合，它能夠克服原有的基於濾波器的檢測方法的不足，可用於hvdc - vsc的不對稱運行控制。 -
This paper contains three chapters. we discuss the pinching problems on the length of the second fundamental form of compact space - like submanifolds mn with unit parallel mean curvature vector in the de sitter space spn + p. in particular, a sufficient condition for mn with constant scalar curvature to be totally umbilical is given
討論desitter空間s _ p ~ （ n + p ）中具有平行的單位平均曲率向量的緊致類空子流形m ~ n的第二基本形式長度拼擠問題，給出了具有常數量曲率的這種子流形是全臍球面的一個充分條件。 -
This dissertation firstly introduces the fundamental elements and modulation methods of three - phase ac - ac mc. then mainly analyzes modulation process of mc with dual space vector modulation ( dsvm ) and gains the mathematic relations between inputs and outputs
本文首先介紹了三相交交矩陣變換器的基本原理和調制方法，並重點分析了採用雙空間矢量調制策略矩陣變換器的調制過程，得出了輸入輸出量之間的數學關系。 -
( 3 ) the re - orthonormalization technique is used to solve the loss of orthonormality of basis vector during the classical gmres method solving large - scale three dimensional elasto - static be problems. based on the characteristic of fundamental solution and the coefficient matrix, several precondition methods are studied. by using the technique of re - orthonoramalization and precondition, the practical gmres method is developed based on the classical one
（ 3 ）採用重正交技術解決了經典gmres方法在求解大型三維彈性靜力邊界元問題過程中出現的基向量正交性喪失的問題；結合邊界元基本解和系數矩陣的特點以及并行化的要求，研究了幾種預條件技術；並以重正交技術和預條件技術實現了經典gmres的實用化。 -
Being the base of vector spectrum, fundamental vector spectrum and vector power spectrum are studied detailedly in this paper the work of short time vector spectrum is also involved in this paper what ' s more, this paper also dealt with different degree of information fusion
本文中僅對處于基礎地位的矢量譜和矢功率譜進行詳細的理論及應用研究，並有代表性的探討了非平穩信號的短時矢譜分析。 -
In fact, vector spectrum comprises a " series of analysis methods : fundamental vector spectrum, vector power spectrum, vector spectrum that used to analysis stationary signals, and short time vector spectrum to non - stationary signals
矢譜分析是針對旋轉機械矢量信號的一系列分析方法的總稱。矢譜范疇包括針對平穩信號的矢量譜、矢功率譜、矢量倒譜以及針對非平穩信號的短時矢譜等眾多分析方法。 -
In order to optimize the modulation performance, the relationships between the modulation signals ( include fundamental signals and zero - sequence signal ) and space vectors, between the modulation signals and space - vector sectors were discussed, then three kinds of optimal switching pattern of space - vector modulation are established
文章首先從研究svpwm調制中零序信號與零電壓矢量和非零電壓矢量之間的關系這一獨特角度出發，探討了svpwm的優化調制方法，找出了三種開關損耗小、適用於高頻化逆變器的優化開關模式。 -
It gives three effective coding schemes, firstly it reviews the fundamental theory of vector quantization and its current algorithms, then it analyzes and summarizes characteristics of wavelet image quantization with vq
首先回顧了矢量量化的基本原理和一般演算法，對小波變換結合矢量量化技術的特點作出分析和總結。 -
Some fundamental methods in mathematical analysis are applied to prove the unique decomposition theorem : the distance between vector - valued pseudo almost periodic functions in metric spaces and almost periodic functions is an ergodic perturbation
應用數學分析中的基本方法證明了唯一分解定理，即距離空間中的向量值偽概周期函數和概周期函數之間的距離是一個遍歷擾動。 -
This paper presents the overall structure, design idea and systematic function and application condition of information analysis and management system on hydrology and sediment of the yangtze river and mainly introduces function realization of 8 sub - systems of editing sub - system of vector data, management discipline of object relation database, computation sub - system of hydrology and sediment sub - system, visualized analysis sub - system of water and sediment information, analysis sub - system of the yangtze river channel evolution, inquiry sub - system of fundamental information, 3 dimensional visualized sub - system of the yangtze river, network publication sub - system of hydrology, sediment and river channel information
摘要闡述了長江水文泥沙信息分析管理系統的總體結構、設計理念和系統功能以及系統應用情況，重點介紹了矢量數據編輯子系統、對象關系數據庫管理子系統、水文泥沙專業計運算元系統、水沙信息可視化分析子系統、長江河道演變分析子系統、基本信息查詢子系統、長江三維可視化子系統、水文泥沙河道信息網路發布子系統等8個子系統的功能實現。
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