針點 的英文怎麼說
中文拼音 [zhēndiǎn]
針點
英文
wire dot-
And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results
接著，對自適應調制系統中的通道估計問題難點，詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然（ ml ）估計和最大后驗概率（ map ）估計演算法，針對平衰落通道，我們模擬了map估計和ml估計的方差與導頻符號長度的關系，模擬結果表明，錯誤方差受多譜勒頻率的變化影響最大，並且對實際的自適應調制系統，導頻符號長度的取值超過20個符號長度時， map通道估計明顯優于ml通道估計。In this paper, ackerman steering linkage of double - wishbone suspension is taken as the study object, choosing the splitting joint and steering lever joint to carry out the design of optimization the mathematics models are established based on the multi - body system dynamics, applying its analysis method of kinematics to study the mechanism kinetic principles owing to more spatial factors considered, and calling off many hypotheses affecting the accuracy, compared with the traditional methods, the models are better to reflect the realistic motion principles, the results are more exact and applicable moreover, the force analysis is applied to the conduct mechanism the analysis method of dynamics in the multi - body dynamics is applied to study the forces applied on every component, working out the constraint reaction force of up and down ball joints, and developing the current computation program in the end, produce the upper wishbone geometry model in the ansys software package, meshing and carrying out the fea, testifying if the intensity of the wishbone meet with the requirements
本文以雙橫臂獨立懸架的轉向傳動機構作為研究對象，選擇對斷開點和節臂球銷的位置進行優化設計，在此基礎上建立了基於多體系統動力學的導向機構和轉向傳動機構的數學模型，運用該學科的運動學分析方法研究機構的運動規律，編制了通用優化設計軟體。由於考慮了更多的空間因素，取消許多影響準確性的假設，因此建立的數學模型與傳統的方法相比更能反映實際運動規律，得到的優化結果也更加精確實用。此外，本文還針對導向機構進行受力分析，在建立該機構的空間動力學模型后，運用多體動力學中的動力學分析方法研究各個桿件的受力，計算出上下球鉸的約束反力，並開發出了相應的通用計算程序。For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field
因此，對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此，本文從測井地質的角度，針對當前裂縫性儲層測井地質解釋與評價的現狀，在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上，利用分形分維方法和技術，通過對archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ （ fa ）與m指數的理論推導，根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜，則其分維值d _ （ fa ）越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵，提出了改進的基於盒維數的測井曲線網格覆蓋法，編程計算了裂縫性儲層段常規測井曲線（如聲波和電阻率曲線）上分形分維值及其m指數值，進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究，效果十分理想： 1將計算得到的可變的m指數與聲波和電阻率分維之積df _ acrt進行交繪，採用儲層分維值分類技術統計分析這些參數變化的規律，並結合qx油田l區塊儲層類型經驗判別圖版，從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。Fourthly, in view of the important significance of education about green - civilization, this thesis discusses the main content of green - civilization education, which should conclude education of green equal concept and education of green value concept and education of green legalities and education of green politics and education of green production and education of green consumption and green treating education of waste and education of green science and technology and education of green aesthetician
針對綠色文明教育的重要意義，本論文重點論述了綠色文明教育應包括綠色平等觀教育、綠色價值觀教育、綠色法制教育、綠色政治教育、綠色生產教育、綠色消費教育、廢棄物綠色處理教育、綠色科技教育及綠色審美教育等。The second section described the accounting issues brought by cyber economy environment including the impact to the accounting suppose, accounting target, the content, the means, the process of accounting checking and the impact to the accounting information system. the third section described the ideas of the innovation of cyber economy environment emphases on the accounting business process reengineering, accounting information system innovation, assets affirmance, accounting settlement under the cyber economy environment. on basis of the third section, the fourth section analyzed the cyber accounting ' s origins, developme nt, characteristic and problems occurred in the development of the cyber accounting
本文共分四章，第一章論述了網路經濟環境下會計環境的變遷，分析了網路經濟的產生與特點，概述了電子商務及虛擬企業的特徵，並指出對企業的組織、生產、管理環境帶來的巨大變化；第二章闡述了網路經濟環境引發的會計問題，包括對會計假設、會計目標、會計核算內容、方法、流程及會計信息系統的影響；第三章提出了對網路經濟環境下的會計創新的設想，重點論述了網路經濟環境下的會計業務流程重組與會計信息系統的變革，網路經濟環境下的資產與會計確認，以及會計結算等方面的創新設想；在第三章討論內容的基礎上，第四章具體分析了網路會計的產生、發展及特點，並分析了網路會計發展過程中存在的主要問題，針對這些問題，提出了相應的對策。The procedure functions in the compare between partial image of dynamic collection and corresponding image of the airscape. in chapter 5, basing on the analysis of correlative theory of digital image, we introduce the improved fasted - down algorithm and simulative anneal algorithm, which applies to nn calculation, an d bring forward the unique and effective means, correlative original value evaluation. basing on the combination of correlative arithmetic, a stable, high - speed and exact correlative arithmetic is formed, which makes it possible to apply computer vision detection of single - needle quilting in industrial production
本文展開研究並取得一定成效：構建了基於pci總線的微機實時圖像採集系統；在採集的布料總圖（鳥瞰圖）的基礎上，通過數字圖像的數字濾波、圖像增強、邊緣檢測等處理，提取布料圖像的邊緣，對輪廓的矢量化的象素點進行搜索，得到相應的圖案矢量圖，從而確定絎縫的加工軌跡，生成加工指令；在進給加工過程中，主計算機對動態局部圖像與總圖（鳥瞰圖）的對應部分進行圖像相關的匹配計算，應用數字圖像理論，結合神經網路計算的改進最速下降法和模擬退火演算法，提出獨特而有效的相關迭代初始值賦值方法，形成穩定、高速和準確的相關運算，實現單針絎縫視覺測量和自動控制。As far as the specialty of ansys, the more efficiency method is the combine of alternant amelioration and orthogonal calculation
針對ansys交互界面好的特點，本文運用交互修改和正交試驗法相結合來進行計算。Based on the analysis of autonomous agent - based ids and mobile agent - based ids, a multi - agent - based intrusion detection and response system, maidrs, is designed, which not only has the advantages of both autonomous agent - based ids and mobile agent - based ids but also overcomes some their drawbacks. to solve the common problem of configuring agents in agent - based ids, an adaptive model generation, amg, is only designed theoretically for the agents using the ideal of information theory, which makes maidrs more efficient
該系統模型利用多代理的思想來構造分散式入侵檢測與響應系統，使之不但兼有基於自治代理和基於移動代理入侵檢測的優點，又克服了它們各自存在的一些缺陷；針對基於代理的入侵檢測系統普遍存在的代理配置復雜問題，作者結合信息論的思想從理論上設計了一個自適應模型生成器來為代理自動生成檢測模型，從而使系統能更高效地運作。Injection equipment for medical use - one - point - cut ampoules
醫用注射設備.單點切割安培玻璃管針劑Hypodermic blood lancets - point geometry, requirements and test methods
皮下刺血針.點素幾何學的要求和試驗方法Dot matrix 9 pin printer head - friction type paper feed
9針點陣式收據印表機Clinical observiton of pricking blood with pyronysis therapy on acute gout
火針點刺放血療法治療急性痛風臨床觀察Print mode : 9 - pin citizen dot matix printer head
列印方式： 9針點矩陣撞擊式。Wp - 200 made in taiwan - print mode : 9 - pin citizen dot matix printer head
列印方式： 9針點矩陣撞擊式雙向列印。Pin - point gate
針點式澆口Boardview function can allocate defect device and pin instantly
功能可即時顯示不良元件針點之位置，方便檢修Needle nozzle mt
針點噴嘴Most researchers think of them as microscopic pinpricks, the remnants of stars that have collapsed under their own weight
大部份的學者把它們想做是微小的針點，是恆星被自己的重量壓垮之後的殘跡。This system is implemented on the microcomputer. this paper mainly discusses the following problems : the system design and realization method ; algorithms of picture creation, picture transformation, picture access and so on ; the input and output system. this paper also discusses the encounter problems and their solutions during the design and development of the system
在微型計算機上經過各種演算法的處理和人機交互的編輯過程把特徵點轉化為刺繡工藝所需的落針點信息，並把這些信息以一定的格式存入磁盤，形成花版文件，再由電腦刺繡機根據花版文件的繡圖信息完成刺繡產品的加工。Many kinds of vcsels has been fabricated in the domestic and an kind of algaas microtip with micrometer dimension has been successfully grown on gaas substrate with self - organization by liquid phase epitaxy ( lpe ). it was reported that a vcsel and a si microtip can be simply aligned together using an adhesive agent. hi this article, the peculiarity of vcsel has been observed and investigated
在vcsel的制備方面，國內也已經有著很成熟的經驗，已經成功的製造出了多種類型的器件；我們半導體教研室利用現有的液相外延生長設備採用自組織生長的方法成功制備出外觀形貌規整的m量級尺寸的algaas的類探針點。分享友人