精細分散 的英文怎麼說

中文拼音 [jīngxìfēnsǎn]
精細分散 英文
fine dispersion
  • 精 : Ⅰ形容詞1 （經過提煉或挑選的） refined; picked; choice 2 （完美;最好） perfect; excellent 3 （細）...
  • 細 : 形容詞1 （條狀物橫剖面小） thin; slender 2 （顆粒小） in small particles; fine 3 （音量小） thin ...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 精細 : meticulous; fine; careful
  1. Due to existing signal processing technology ’ s shortage such aslow measurement, narrow measurement range precision and other poor performance, we introduced a high - precise signal processing technology : firstly, to get power spectrum with hanning windowed welch modified periodogram, search its peak value frequency ; secondly, to apply zooming analysis via goertzel algorithm ; at last, to get a highly precise doppler frequency with energy centrobaric rectifying algorithm 。 the simulating result indicated that this technology introduced could get accurate doppler frequency 。 depending on above discussed technology, we designed a signal processing scheme, and developed a signal processing system. the running result showed high performance, verified the feasibility and reliability of the highly precise signal processing technology introduced. in a word, the technology improved ldv ’ s performance such as measurement precision, measurement range, dynamic response time 。 and it will have a wide application foreground

    針對存在的缺點，本文提出了一種應用於激光多普勒測速的高精度信號處理技術，即首先利用加hanning窗的welch修正周期圖演算法得到信號功率譜，搜索其譜峰值頻率，接著利用goertzel頻譜細化演算法對搜索的譜峰進行細化分析，再引入能量重心頻譜校正演算法對細化后的譜峰進行校正分析，從而將離散頻譜分析演算法、頻譜細化演算法和頻譜校正演算法三者有機結合起來，充分發揮各自的優點:通過加hanning窗的welch修正周期圖演算法快速得到功率譜及峰值頻率，通過goertzel演算法獲得分析頻帶的高解析度頻譜，然後通過能量重心校正演算法對細化后的頻譜進行高精度校正，這樣不僅保證了演算法的高效性，而且大大提高了分析的精度。
  2. Since established we have cooperated with zhejiang industry university refinement research station, we have developed yh series such as dispersed organobentonite, new type super fine organic double crossing modified betonies clay

    公司成立以來長期與浙江工業大學精細化研究所合作，成功地開發了yh系列易分散型有機膨潤土新型超細有機復配改性膨潤土系列產品。
  3. Plastisol coatings are dispersions of finely divided higher molecular weight polyvinyl chloride resins in plasticizers

    塑性溶膠塗料高分子量聚氯乙烯樹脂非常精細地分散在增塑劑中而形成的塗料。
  4. It is also used as adhesion agent to replace starch. pva is widely used in textile, paper making, building materials, packing, glass, and medicine. good character of service has been displaying when it is used as textile warp size, fabric finishing agent, reagent and additive in polymerization for industry of fine chemicals, adhesion agent for construction coating, and packing material film

    聚乙烯醇是一種水溶性高分子聚合物，它具有化學性能穩定溶解性能良好粘著力大等優點，可用作聚合反應的乳化劑和分散劑，同時可取代澱粉等作為膠粘劑，廣泛應用於紡織造紙建築材料包裝玻璃醫藥等行業，在作為紡織用經紗漿料織物整理劑精細化工用聚合物助劑建築塗料用粘合劑以及製成薄膜後作為包裝材料等方面，日益顯示出其良好的使用性能。
  5. It is also used as adhesion agent to replace starch. pva is widely used in textile, paper making, building materials, packing, glass, and medicine. sound character of service has been displaying when it is used as textile warp size, fabric finishing agent, reagent and additive in polymerization for industry of fine chemicals, adhesion agent for construction coating, and packing material film

    聚乙烯醇pva是一種水溶性高分子聚合物，它具有化學性能穩定溶解性能良好粘著力大等優點，可用作聚合反應的乳化劑和分散劑，同時可取代澱粉等作為膠粘劑，廣泛應用於紡織造紙建築材料包裝玻璃醫藥等行業，在作為紡織用經紗漿料織物整理劑精細化工用聚合物助劑建築塗料用粘合劑以及製成薄膜後作為包裝材料等方面，日益顯示出其良好的使用性能。
  6. It is promising to use this technology in the fabrication of oeics to solve the incompatibility problem. in laser assisted microprocessing, time is an important parameter, which has effect on component ’ s performance, so temperature distributing for small laser - processed region must be well measured

    在激光誘導擴散等半導體激光微細加工過程中，溫度是一個很重要的參數，它對器件的性能有很大影響，因此微小曝光區域的溫度分佈是關鍵的工藝參數，必須得到精確的測量。
  7. By means of error analysis of recursion process of precise integration, it is found that the essential reason of obtaining the high precise numerical results of exponential matrix in the precise integration method is that the relative error of numerical computation is not enlarged in a whole recurrent process

    通過對精細積分法遞推過程的誤差分析，發現該方法能獲得高精度數值結果的根本原因是：數值計算的相對誤差不隨遞推過程的進行而擴散。
  8. Contain salicylic acid, alga essence and special light radiating effect, powerfully shrink pores, tender skin ; remove fine lines and prevent wrinkles ; keep skin smooth and soft ; replenish nutrition and water, make skin tender and young

    融合了水楊酸、海藻精華和和特殊散光物質，達到超強的毛孔收縮作用，令毛孔變平滑、使肌膚質地細膩；撫平已形成的細紋，防止皺紋的產生，使皮膚更顯柔滑平整；補充肌膚所需的營養和水分，令肌膚細嫩柔滑、青春煥發。
  9. The head of spermatozoa contains a nucleus but no acrosome. the nuclear fossa developes well. during the process of spermtogenesis, within the nucleus the chromatin condenses step by step into wads, among which are loose chromatin fibers

    成熟精子頭部無頂體，主要為核占據，精子形成過程中，細胞核中的染色質濃縮成緻密的團塊狀，團塊狀的染色質之間分佈著鬆散的纖維狀染色質。
  10. Type plane wave incidence and the input admittance of cylindrical monopole antenna, it is testified that the proposed method is more accurate than the conventional square contour integration method

    型平面波的散射電流以及單極細圓柱形天線的輸入導納，對所提出的方法作了驗證，證明了該方法比常用的矩形積分迴路法對細導線上電流的模擬要精確得多。
  11. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向，本論文重點做了以下幾個方面的工作，目的在於提高dtc系統的綜合性能： （ 1 ）提出一種新型的速度磁鏈觀測器，新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度，並且根據popov超穩定性理論推導出轉速的新型自適應收斂律； （ 2 ）改善系統的低速運行性能，主要從提高低速時對定子磁鏈的估計精度入手，提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數； （ 3 ）採用數字信號處理器dsp實現系統全數字化硬體控制，結合ti公司生產的tms320lf2407晶元，設計了直接轉矩控制系統的實驗裝置； （ 4 ）提出了基於sercos總線網路化分散式的直接轉矩控制系統， sercos （ serialrealtimecommunicationsystem ）是目前最適合同步和協調控制的串列實時通信協議； （ 5 ）基本勾勒出整個控制系統的硬體和軟體設計基本框架，詳細描述一些實驗中的具體的細節問題。
  12. Aiming at characteristics of serious conflict among layers, thin layers developed and scattered distribution of remaining oil, this paper introduces techniques of non - gel fracturing, multi - fractures fracturing, large discharge capacity and large sand amount fracturing, thin layer fracturing and high effective return discharge

    摘要針對大慶油田薩南開發區三類油層層間矛盾突出、油層發育薄及剩餘油分佈零散等特點，根據油藏精細地質研究成果，通過個性化壓裂設計，在試驗區三類油層聚驅挖潛過程中，應用了非凝膠壓裂、多裂縫壓裂、大排量及大砂量壓裂、薄隔層壓裂以及高效返排壓裂等配套的工藝技術。
  13. In the first part of this paper, the theory of laser range and dds technology was introduced, the factors of influencing range precision were also analysed. at the same time, put forward in the paper, with using the fpga embedded technology, the wideband and high resolution sin modulating signals can be generated easily, then analysed the noise of the dds ; in the second part, the theory of phase measurement based on fft was analysed. in the phase range system, by using the fft operation, the resolution and sensibility of phase measurement can be enhanced ; then some circuits were designed and come true, also simulated and validated ; in last part, the improvement of the phase range system was brought forward, summarized and expected

    論文首先闡述了激光測距和調制信號源的基本原理，分析了影響測距精度的因素，指出應用dds技術可以實現寬帶、高精度的調制信號輸出，說明了引起dds輸出信號雜散的原因和解決的辦法;同時分析了應用fft運算實現信號相位提取的基本原理及設計方法，採用這種檢相技術，可以極大地提高測相精度與靈敏度;然後提出了基於fpga嵌入式系統的相位式激光測距機的整體設計，並就各部分進行了詳細的分析與設計;接著介紹了激光測距系統的外圍電路和基於quartusii集成軟體平臺的部分硬體電路的設計，並對其中的設計進行了模擬和驗證;最後總結提出了對系統今後的進一步改進和完善的思路。
  14. Stochastic subspace identification method is the major in this article, and this method is based on the theory of projection of row space, and also uses qr decomposition, svd decomposition as well as least squares estimate to state space matrices of the discrete system so as to achieve the parameters of the dynamic behavior and it can achieve an accurate result

    隨機子空間法是本文的論述重點，它運用了行空間投影的理論，通過qr分解和svd分解以及最小二乘估計來識別離散后的系統狀態空間矩陣，從而得到系統的動力學特性參數，識別精度較高。本文詳細的推導了隨機子空間法的理論公式，並編寫出相應的matlab程序。
  15. However, via intensive numerical computation, the author finds that actually some characteristic of this confidence intervals, for example, confidence coefficient, expectation width and coverage efficiency fluctuate intensely when the sample size varies given the parameter, or when the parameter varies given the sample size

    但是我們通過精細的數值計算發現，由於總體分佈的離散性，這些置信區間的特性（置信系數、期望長度、覆蓋效率）實際表現為當參數固定隨著觀測次數（樣本值）變化或當觀測次數固定隨著參數變化而發生強烈震動。
  16. A new method of three - dimensional shape measurement called digital speckle temporal sequence correlation is presented. its basic principle, four methods of enhancing the precision and quick data - dealing algorithm are introduced in detail. the dominating factors of influencing the precision are analyzed by computer stimulation

    本論文提出了一種基於隨機數字散斑投影的三維面形測量新方法，詳細闡明了該方法的基本原理，分析了影響測量精度和數據處理速度的各種因素，並根據實際情況提出了多種提高測量精度的方法以及提高數據處理速度的演算法，最後將本論文方法應用到各種典型三維面形測量中。
  17. Hence this method can improve accuracy and efficiency of the calculation. c. based on these work upwards, an adaptively wavelet precise time - invariant integration method was proposed in this paper. in this method, an adaptive multilevel interpolation wavelet collocation method for partial difference equations ( pdes ) was conducted, in which the time complexity is less than oleg v ' s method, and then the adaptive precise integration method was combined with, so that in this method the adaptively discretes both in time domain and physical domain were realized

    該方法將外推法引入求解結構動力方程的精細時程積分法中，從而使該方法在求解非線性動力方程中可以自適應選取時間步長；需要指出的是，由於考慮了矩陣指數精細演算法和外推法演算法在時間離散方法上的一致性，在外推過程中，計算工作量基本沒有增加；因此，兩種方法的結合有效提高了演算法的效率和精度。
  18. Meticulous integration of one - point subdomain for solving three - dimensional diffusion equation

    三維擴散方程的單點子域精細積分法
  19. In chapter four, the dominating factors of influencing the precision, including system parameters, speckle quality, calculate parameters, surface property, are analyzed in detail by stimulation

    第四章詳細分析了系統參數、散斑質量、計算參數、被測物體表面情況以及擬合演算法等因素對測量精度的影響。
  20. 5. we analysize detailly in the distributed - satellite system at - insar work model, the relationship between the velocity of the slowly - move target and the baseline selection, give the demand of the velocity precision to the baseline precision, and the influence of the earth - rotation and satellite - movement to the baseline parameter and the homologous simulation result

    詳細分析了在分散式衛星系統at - insar工作模式中，慢動目標的速度與基線選取的關系，給出了測速精度對基線精度的要求，以及地球自轉和衛星運動對基線參數的影響，並給出了相應的模擬結果。
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