fractional analysis 中文意思是什麼
fractional analysis
解釋
分次分析法, 逐段分析法- fractional : adj. 1. 零碎的，斷片的。2. 【數學】分數的，小數的，有零數的；不足買賣單位的。3. 【化學】分餾的，分級的。
- analysis : n. （pl. -ses ）1. 分解，分析；【數學】解析。2. 梗概，要略。3. 〈美國〉用精神分析法治療（＝ psychoanalysis）。
-
Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm
接著，專門利用一個章節闡述了dvb - c前端調制系統原理，他們了差錯控制技術、多進制調制（ mqam ） 、 nyquist準則與平方根升餘弦濾波器、有限沖擊響應濾波器的窗函數設計法、多抽樣率信號處理包括（整數倍內插原理、分數倍抽樣率轉換、網路結構的等效結構、濾波器的多相表示、內插器的多相表示、抽樣率轉換的多級實現） 、分散式演算法、 cic濾波器、直接數字頻率合成（ dds ） 、 cordic演算法。 -
The fractional - order control system 、 the theory of fractional - order pi ~ d ~ and analysis method of stability are first discussed. then the model of network traffic control system and its stability are introduced
文章首先介紹了分數階控制系統、分數階pi ~ d ~控制器的原理和穩定性分析方法，接著給出了基於farima的網路擁塞控制系統模型。 -
In addition, the approximate formula for coefficient k p, ki, kd is also suggested by using characteristic index of forecast control. finally, through emulation, the fractional - order pi ~ d ~ arithmetic is compared with the integer - order pid arithmetic. the availability of the strategies and stability of systems are proved by doing some analysis and simulation
然後利用根軌跡的方法分析了擁塞控制系統的穩定性，並在此基礎之上採用廣義預測控制方法所應用的特性指標求出了k _ p ， k _ i ， k _ d的近似計算公式。 -
In the part of 3d modeling, some theories and technologies was discussed. then, how to build 3d terrain was analysis. this dissertation presented two new methods of terrain building : lofting based on contour and random terrain building based on fractional brown motion
三維地形是虛擬環境的基本要素，本文總結了各種地形建模方法，提出了兩種地形建模方法：根據等高線地圖生成地形的「沿截面法線放樣法」和生成隨機地形的分形曲面法。 -
With the phase - noise model of the phase loked loop ( pll ) and the analysis of spur characteristic of fractional - n frequency synthesizer using - ? modulating technology, the scheme of pll with mixer + quadrupler is confirmed as a result
文中，通過建立鎖相環路的相位噪聲模型，並分析了使用- ?調制技術的分數頻率綜合器的雜散性能，以此二者為理論依據完成了毫米波頻率源合成器的基本方案? ?鎖相混頻環+倍頻器方案。 -
The result was used to adjust relative humidity and to enhance the ability of mm5 mesoscale modeling system to produce accurate forecast of precipitation. we define the air condition includes 5 kinds : the clear sky, semitransparent or fractional cloud, high cloud and low cloud and middle cloud. in this process, we present the method development for the generation of cloud based on gms - 5 images. mm5 ( fifth - generation perm. state / near mesoscale model ) output will be extensively used for the off - line computation of dynamic changeable mutispectral thresholds in order to adapt to variable weather using statistical regressive relations produced by optimal regressive analysis
基於常規地面觀測資料，將天空狀況分為晴空、半透明雲或碎雲、高雲、中雲和低雲5種情況，用最優回歸分析法對mm5模式的三維要素場和常規地面觀測資料進行統計分析，得出雲判別和雲分類的衛星雲圖多譜閾值的統計關系統計回歸判別方程，對衛星雲圖進行雲判別和雲分類，據此得出mm5中尺度數值模式初始場各點的雲分佈，並對模式初始場的相對濕度進行調整，以達到改善中尺度數值預報模式預報結果的目的。 -
Modeling analysis of state space for fractional - order multi - input multi - output control systems
控制系統狀態空間建模分析 -
Stability analysis of fractional order control systems
模式機器人遠程控制 -
According to the theory of electromagnetic fields, the large salient synchronous generator with fractional stator slot are calculated and analyzed by the finite element method ( fem ) in this paper. the fourier analysis method is applied to decompose the air gap magnetic density into the basic spatial component and a series of harmonic components and wave shape eigen coefficient of air gap magnetic field are calculated
本文根據電磁場理論，從耦合場的弱耦合角度首先計算了定子具有分數槽繞組的大型水輪發電機的電磁場，採用付立葉諧波分析的方法把氣隙磁密分解為空間基波和一系列諧波，進而計算出氣隙磁場波形特徵系數。 -
The use of wave packet to analyze the dynamics of quantum mechanical systems is an increasingly important method to the study of the classical - quantum correspondence. using the quantum gaussian wave packet analysis method, we calculate the autocorrelation function of the rectangular billiard, the peak positions of the autocorrelation function match well with the periods of the classical periodic orbits, which show that the period of the classical orbits can be produced by the time - dependent quantum wave packet method. we also discuss wave packet revivals and fractional revivals in the rectangular billiard, the results show that there are exact revival for all wave packet at each revival time. we find additional cases of exact revivals with short revival times for zero - momentum wave packets initially located at special symmetry point inside the billiard
利用波包分析量子力學體系的動力學行為在研究經典和量子的對應關系方面越來越成為一個非常重要的方法.利用高斯波包分析方法，我們計算了矩形彈子球體系的自關聯函數，自關聯函數的峰和經典周期軌道的周期符合的很好，這表明經典周期軌道的周期可以通過含時的量子波包方法產生.我們還討論了矩形彈子球的波包回歸和波包的部分回歸，計算結果表明在每一個回歸時間，波包出現精確的回歸.對于動量為零的波包，初始位置在彈子球內部的特殊對稱點處，出現一些時間比較短的附加的回歸 -
By means of stochastic analysis theory related to fractional brownical motion, the pricing model of european contingent claim is given
摘要利用關于分數布朗運動的隨機分析理論，給出分數布朗運動環境下歐式未定權益定價模型。 -
The combination of fractional calculus with fractal analysis, in other words, appling fractional calculus to analyze fractal structures of graphs of some special functions, is a crucial problem in this direction. the present paper mainly investigates the relationship between the fractional calculus and the fractal functions
第二章研究一類weierstrass函數w （ t ） 、它的分數階積分函數g （ t ） 、分數階微分函數n （ t ）的圖象的維數估計，以及besicovitch函數圖象的維數與分數階微積分的關系。 -
The discrete expression of frt is studied and presented, and program is composed according to the fast algorithm, so that the digital implementation of anamorphic fc becomes possible. the connection of anamorphic fc peak and fractional orders is a problem of higher dimensional optimization. based on theoretical analysis and simulated annealing algorithm and programs we compose, the optimized orders and correlation peaks are gained while the patterns detected have dilation
求解變形分數相關峰輸出與分數階的關系是高維變量優化問題，基於理論分析的結果，採用模擬退火演算法及自編程序對相關信號產生縮放的情形進行了計算模擬，獲得了優化的分數階及相關輸出，並對信號發生移動時，相關峰的變化進行了計算模擬和分析。 -
Secondly, the paper has a brief description of time - frequency analysis and fetches out the fractional fourier transform and analyses its advantage
其次，本文簡述了時頻分析的概要，引出了分數階傅立葉變換，分析了分數階傅立葉變換的優勢。 -
This paper focuses on the analysis of sigma delta modulation theories such as mathematics models, noise shaping characteristics, etc. combined with traditional pll fractional - n synthesizers structures, a project of sigma delta modulator is proposed, and the algorithmic analysis is implemented by fpga
本文在闡述-調制理論，分析其數學模型，噪聲整形特性基礎上，結合傳統小數分頻合成器，提出了-調制小數分頻鎖相環頻率合成器實現方案，及其在fpga里的調制器演算法。 -
Theoretic analysis and simulation results show good robust of the new method under both gaussian and fractional lower order stable distribution noise conditions
理論分析和模擬實驗表明，新方法在高斯和分數低階穩定分佈噪聲環境下都具有良好的韌性。 -
Theoretical analysis of first - order isothermal consecutive diffusion reactions in industrially porous catalyst particles with fractional geometry symmetry model
分數幾何對稱模型理論分析多孔固體催化劑顆粒中的一級等溫串連擴散反應
分享友人