discrete phase 中文意思是什麼
discrete phase
解釋
不連續相-
Eddy - current sensor conversion circuit consist amplification circuit, band - pass filter circuit, demodulation circuit, differentiation phase and data sampling circuit. these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process. the microprocessor system that formed of dsp chip is used to data fitting of test system, data displaying and data communicating with personal computer, etc. the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter
硬體電路的設計主要分三大部分來實現：激勵源電路部分，由分頻電路和頻率合成電路組成，產生頻率穩定的激勵信號以確保檢測任務的正常進行；傳感器變換電路部分，由放大電路、濾波電路、檢波電路、鑒相電路和數據採集電路組成，主要將電渦流傳感器檢測線圈檢測到的信號變換成只含有被測信息的離散信號，易於后續電路處理；由dsp晶元構成的微處理系統，主要完成檢測系統的數據擬合、顯示及與主機通信等功能。 -
After analysising three existed methods for phase difference correction on discrete spectrum, it is recommended to correct the spectrum containing small noise in engineer practice by the first phase difference correcting method ( performing fft analysis on two continuous original sequence ) with harming window
綜合分析現有三種離散頻譜相位差校正方法，推薦在小噪聲工程實際中加hanning窗的第一種相位差法（采連續兩段信號作相同點數fft的相位差校正法）進行校正。 -
Study shows that the basic principles of three existed methods for phase difference correction on discrete spectrum are identical, by which the twice fft analysis through time - domain shifting time series or changing window ' s length is performed, and the spectrum by making use of the phase difference of two corresponding peak lines are finally corrected
在研究時域平移的離散頻譜相位差校正方法和改變窗長離散頻譜相位差校正方法的基礎上，發現這幾種離散頻譜相位差校正法的基本原理是一致的，就是通過時移和加不同的對稱窗進行兩次fft分析，並利用離散頻譜對應峰值譜線的相位差以求得頻率和相位校正量。 -
As to the simulation, three - dimensional n - s equations and two - phase flow model, in which the liquid toluene spray as discrete particles was considered, were employed to describe the turbulent combustion processes in the combustion chamber. the mass and energy transfer between the two phases were calculated by the droplet evaporation model, and the arrehnius model was used to obtain the gas chemical reaction rate. the details of 3d flow field, the distributions of temperature and compounds were obtained by solving the equations
數值模擬方面，應用三維湍流n - s方程以及顆粒軌道模型描述了激光器燃燒室內部的噴霧兩相燃燒流動過程，兩相之間的質量、能量交換由液滴蒸發模型計算，氣相化學反應速率由arrhnius公式計算，通過耦合求解氣液兩相模型方程，模擬了燃燒室三維流場，得到了燃燒室內的溫度和組分濃度分佈。 -
3 ) for weak noise interferogram or filtered interferogram, dyadic wavelet can be used to detect fringe edges. a gvf snake model was used to link discrete edges, the linked edges were kept well accordance with fringes of phase map. 4 ) phase unwrapping algorithm based on edge detection is suitable to well separated fringes, the unwrapped phase can be rewrapped to the original phase map
4 ）對于低噪聲情況下或濾波后的干涉條紋圖，在基於邊緣檢測的相位解纏過程中，利用snake模型可以高效準確的實現邊緣點的連接，所連接的邊緣線與干涉條紋很好的吻合，可將連線的精度控制在三個像元。 -
Phase - locked steady speed control algorithm was realized with brushless dc motor discrete control system based on dsp controller, which was applied to high - speed brushless dc motor for magnetically suspended control moment gyroscope
在以dsp為核心的電機數字控制系統上實現了鎖相穩速控制演算法，並將該方法用於磁懸控制力矩陀螺高速無刷直流驅動電動機的穩速控制。 -
In the wavefield - spread area, we uses the phase - shift operator as constraint in frequency - wavenumber field, while beyond the wavefield - spread data, we uses zero point at the ends of phase - shift operator as constraint to take discrete smooth interpolation so that the resulted operator satisfies two - order smooth and the length of this operator can be selected shorter in frequency - space field
通過離散光滑插值法，在頻率波數域中，以傳播區內的相移運算元為約束，在傳播區外的運算元兩端處以零點為約束，進行離散光滑插值，使得所得運算元具有二階光滑可導性，則其對應的頻率空間域中的運算元就可以取得很短。 -
One novel non - linearity compensation method is proposed based on the parameters estimation of the discrete interference signals. the effectiveness of the compensation method considering phase - quarter errors, unequal amplitude and the dc components are simulated
在研究干涉測量非線性誤差補償原理的基礎上，提出一種基於待檢偏測量信號參數估計原理的非線性誤差補償方法。 -
Based on the study of the method of creating short explicit difference operators, a method for creating short explicit operators is presented, which is based on discrete smooth interpolation with control of phase - shift operator
基於對顯式差分短運算元的設計方法的研究，提出了一種基於相移運算元約束的離散光滑插值的構造一維顯式短運算元的方法。 -
According to the relationship between the local modulus maxima of wavelet coefficients and the local singularity, and the multiresolution analysis of wavelet transformation, the blocklines is flagged. then using the method of binary image processing and mathematical morphology to get the complete blocklines, and to construct the binary control mask. the control mask identifies valid and invalid discrete phase distribution, and remains the errors of phase unwrapping within the local confines successfully
針對直接標記截斷線的困難，利用小波變換系數的模極大值與局部奇異性的關系，通過檢測多尺度小波變換系數模極大值的位置來標記截斷線的基本走向，進而採用二值數學形態學處理方法形成完整的截斷線，構成標記出極點與截斷線等易產生錯誤的區域的二元模板來，將位相展開的錯誤限制在局部范圍。 -
Since that the choosing line hardware for the neutral ungrounded system has just passed part of the dynamic simulative test, matlab software was chosen to do a lot of simulative tests on single phase - to - grounding fault. and the simulative sampling ratio is almost the same as the hardware ' s. because there is a low wave filter in the hardware, i choose the db15 wave - let to carry out the multidimensional decomposition on the sample by the method of one dimension discrete wavelet in order to obtain low frequency signal including the high frequency transient information on single phase - to - grounding fault
鑒于實驗室已有的小電流接地系統選線硬體的研製只通過了實驗室里的動模試驗，故選用matlab軟體對小電流接地系統進行大量的單相接地故障模擬試驗，模擬的采樣率和硬體基本一致，由於硬體中帶有低通濾波器，故在進行采樣數據的morlet小波分析時先採用db15小波對采樣進行一維離散小波的多尺度分解，使得分解得到的低頻信號剛好包括了小電流接地系統單相接地故障時的暫態高頻信息，然後對這一信息再繼續進行小波演算法分析，分析結論表明利用變換后的實部、虛部和模值能夠較準確的實現單相接地故障時的故障選線和暫態高頻分量的提取。 -
Based on the thoroughly review and summary in the progress history of the multiphase flows researching in recent fifty years, the thesis was made an advanced discussion on the wide foreground of the multiphase flows " study and application, and clarified some concept of multiphase flows " study. take gas - solid two - phase flows for example, the thesis discussed and classified the theoretical model of multiphase flows " study, that is continuum model, discrete particle model and pseudo particle model, and made a deep and detail discussion on the foundation, advantage and disadvantage about the three physical model. the thesis considered that all the mathematics models of the multiphase flows " study are based on the three physical models
本文在系統、全面地回顧和總結近五十年來多相流研究發展歷史的基礎上，進一步論述了多相流研究和應用的廣闊前景；澄清了多相流研究中存在的一些模糊概念；以氣固兩相流研究為例，對多相流研究的各種理論模型進行了系統的分析、歸納和分類，從而把氣固兩相流研究的物理模型按其刻劃的尺度和屬性分為三類，即：連續介質模型（ continuummodel ） 、離散顆粒模型（ discreteparticlemodel ） 、流體擬顆粒模型（ pseudoparticlemodel ） ，並對三類物理模型賴于存在的基礎、長處和存在的問題進行了深入的分析、討論；同時指出，多相流研究的各種數學模型都是建立在以上三類物理模型的基礎上的，從而對各種數學模型的實質、優缺點和今後發展方向有了清晰的了解。 -
Each phase in ssadm consists of a number of stages, each stage is subdivided into steps and each step further contains a series of tasks. thus the total work content of these critical phases of systems development is broken down into discrete, manageable portion
結構化系統分析及設計方法內的每一期均分為多個階段，每個階段再細分為多個步驟，而每個步驟又再包含了一系列的工作。如此，整個系統發展的關鍵時期之所有工作便被拆分為獨立而易於管理的部分。 -
Then the discrete phase holdup can be measured by non - packer without changing flow state
動態實驗結果表明，該方法在油水兩相條件下，可以實現分相的測量。 -
This paper compares the computing results of the one - way coupling method and two - way coupling method, and the result indicates that the one - way coupling method is applicable when the mass and momentum ratio of the discrete phase in the turbulence flow velocity field is small in the chamber
文中對採用單向耦合和雙向耦合計算方法的計算結果進行了比較，結果表明爐內離散相在流場中的質量及動量承載率較低時，單向耦合計算方法適用於研究對象的冷態流場計算。 -
By the use of discrete phase model, the gas - solid two phase flow under different conditions were simulated. the trajectories of particles were obtained, and the influence of secondary air and particle diameter distribution were investigated. and by the compare of experimental results and numerical simulation results, the reference for the further study of numerical simulation of gas - solid two phase flow in cfb was supplied to some degree
運用顆粒軌道模型對床內不同工況下的離散相顆粒軌跡進行了數值模擬，得出了二次風、床料粒徑分佈等因素對顆粒軌跡的影響情況，並通過模擬結果與實驗現象的對比，為循環流化床內氣固兩相流動的進一步數值模擬研究提供了一定的基礎。 -
By storing a beacon image in aircraft as reference and regarding actual beacon image as the sum of reference image and additive gaussian white noise, the values of rotation and translation for beacon image were calculated according to phase correlation and dft ( discrete fourier transfer )
該方法的原理是在航天器上存儲一幅信標圖像作為參考，把實際信標圖像看成參考信標圖像和附加高斯白噪聲和的形式，基於離散傅里葉變換和相位相關技術對信標的旋轉因子和平移因子進行計算。 -
Semiconductor discrete device. detail specification for type ql74 silicon single phase bridge rectifier
半導體分立器件. ql74型硅單相橋式整流器詳細規范 -
Semiconductor discrete device. detail specification for type ql73 silicon three phase full wave bridge rectifier
半導體分立器件. ql73型硅三相橋式整流器詳細規范 -
It is easily to measure the volume of the discrete - phase in two - phase flow in a pipe based on the 3d reconstruction image. the 3d reconstrution images and the result of volume indicate the more sections interpolated, the better the 3d reconstruct image will be, but not the less the volume error will be
重建的三維圖像和體積計算結果表明，隨著插值輪廓數的增加，重建的三維圖橡質量得到了提高，但只增加插值輪廓數量並不能明顯的喊少體積誤差。
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