精確開本 的英文怎麼說
中文拼音 [jīngquèkāiběn]
精確開本
英文
abso1ute size-
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。This paper presents a method that chopping wave is done by switch devices which consist of three - level resistance regulating module and intelligence power module ipm, and which realizes constant - current discharge of storage battery. to achieve the intelligence control of the drive protection and the discharge process of ipm, the paper designs circuit formed by igbt threshold drive pulse pwm signals. ipm fault - blocking protection circuit and microcomputer 80c196. the devices can accurately control the 0 ~ 150a discharge current and the discharge time of the storage battery and calculate the releasing power
實現蓄電池恆流放電過程智能控制是蓄電池放電裝置發展的必然趨，本文提出了一種通過三極電阻調節模塊和由智能功率模塊ipm為開關器件進行斬波從而實現蓄電池恆流放電的方法。為達到對ipm的驅動保護和放電過程的智能控制，文中設計了igbt門極驅動脈沖pwm信號形成電路和ipm故障封鎖保護電路及由單片機80c196為核心的微機控制器。本裝置能夠對蓄電池進行0 150a放電電流及放電時間的精確控制及釋放容量的計算。Firstly, by numerical and theoretical analysis, the author compares some existent confidence intervals, for example, " exact " confidence interval, wald confidence interval and bayesian confidence interval, and finds some deficiencies points of the confidence intervals, whose modification version has been proposed. also, several better confidence intervals such as are also presented. secondly, for given confidence coefficient and interval width, the author constructs a class of asymptotical two - stage interval estimate procedures. at the same time, under varies restriction of confidence coefflcientent interval width, the optional sample size of the first stage has been computed by numerical computation. the numerical computation shows that the method considered in this dissertation have good properties and applied value
同時，由於poisson分佈的特性，我們知道不存在其參數區間長度小於0 . 5的置信區間，基於這些情況，我們主要展開了以下兩個方面的研究：一是利用數值計算分析與理論分析的方法對現有的若干置信區間如「精確」置信區間， wald置信區間， bayes置信區間等進行分析比較，發現了一些缺陷，針對這些缺陷，我們進行適當的修正，並得到幾種性質較好的置信區間如：修正大樣本區間jeffreys原則下置信區間二是針對已給定的置信系數與區間長度，我們提出了一種漸近的兩階段區間估計程序，並利用數值計算的方法，在各種置信系數與區間長度限定下，算出了最優的第一階段觀測次數（抽樣量） ，大量數據表明，本文考慮的方法性態良好，具有應用價值。In the article, the originator worked out the mechanism of magnesium - base alloys catching fire ; analyzed briefly the influence of the temperature, the heating velocity and the pressure of oxygen in the atmosphere on the lumps and scraps of pure magnesium ’ s catching fire, and designed a practical method to measure the kindling temperature of the lumps and scraps of pure magnesium precisely, with which the initial quantization of kindling temperature can be realized
本文圍繞鎂合金阻燃技術的開發作了許多基礎性的研究工作，通過分析大量的相關文獻和試驗結果，初步得出了塊狀鎂和鎂屑的燃燒機理，簡要分析了溫度、升溫速度、環境中氧的分壓對塊狀鎂和鎂屑的起火燃燒所產生的影響。設計出了精確度高、實用性強的塊狀鎂和鎂屑的燃點測試方法，使塊狀鎂和鎂屑的燃點得到初步的量化。We do research on the transitions between states of network protocol, the protocol misusage detection model based on markov chain, the framework of the ids technology and protocol anormity after we discuss the current technology. the main research contents of this paper include : research on transitions between states of network protocol and session process, protocol misuage and the anomaly detection model based on markov chain, the research of intrusion detection framework, more accurately model based on the characteristic of the network traffic and so on
在分析了現有入侵檢測系統的基礎上，本文圍繞典型網路協議狀態轉換、基於馬爾可夫鏈的檢測模型、入侵檢測技術框架、以及協議異常等幾個方面展開深入研究，主要工作內容包括:典型網路協議轉換狀態的分析和會話過程的研究;基於馬爾可夫鏈的網路異常檢測模型;分散式的檢測架構;針對網路流量特徵而提出了精確的檢測模型等。This paper discuss the accelerometer base on mutual inductance variety for filling up the blank in silicon accelerometer of home, boosting up the onrush of weapon, improving the precision of navigation system is very importance, at one time, for taping the big measure rang accelerometer provide a new technology approach
本文論述的基於互感變化的硅加速度計對于填補國內硅加速度計空白，增強武器的突防能力，提高慣導系統的精確性是非常重要的，同時為開發大量程加速度計提供了新的技術途徑。The thesis is based on the performance testing system of the automobile fittings for shaoxing automobile fittings factory. the aim is not only to develop a testing system which is rapid, wieldy and exact, but to improve the level of r & d for the fittings testing and short the cycle of the development and production of the new products, so that the factory can compete with profitably and benefit great from it
本論文以紹興汽車配件總廠的「汽車配件性能測試系統」為主要研究背景的，目的在於建立一套能快速、易用、精確的汽車配件性能測試系統，提高汽車配件測試的研究開發水平，縮短汽車配件的開發和出廠周期，減少試驗勞動強度，解決了汽車配件測試困難的問題，從而能增強廠家的競爭能力，提高其經濟效益。However, when annual expenses were deducted from the returns or when the sample was restricted to the observations for which asset allocation is measured most precisely, the hypothetical copycats outperformed the primitive funds in five of the six months, but the difference was statistically significant only in one of the six months
然而，如果從樣本的利潤中扣除年度開支，或在選取樣本時只選擇那些可以最精確地衡量資產分配的基金，那麼跟風基金的業績在六個月中有五個月都勝過了原始基金，但兩者間的差異只有在其中一個月較為顯著。In this thesis, based on activity based classification, there are three subjects to be researched, that is, how to build and express cost caculation rules, how to support many caculation methods and how to support more quick and accurate cost caculation. moreover, this thesis lucubrates a flexible cost cacaulation model. this model bases on advanced cost theory - - activity based classification, and it includes the building of abc ' s cost caculation model, the receptions " automatical accumulattion and transformation rules, the storage and use motivating causes rules, the diverse cost distribution and supporting many cost caculation methods. besides, the model brings forward rules about cost information transformation and accumulattion, rules about keeping business records, rules about motivating causes ’ accumulattion, rules about cost distribution and formula language. what ’ s more, it builds a rule engine, and all of these make this model meet enterprises ’ demand for using many cost caculation methods, and then simplify operators ’ operation. also, it can realize cost accumulated more accuratly, keeping business records more promptly and cost analysed more intensively, and then give supports to enterprises ’ further decision with related data. in the third chapter, it expounds the design and realization of this flexible cost cacaulation management system, and use one model case to validate its legitimacy, which explains that with j2ee technology and mvc design pattern, this system has good features of reuse and adaptability. at last, it introduces its application in china resource alcohol co., ltd
本文以作業成本法為理論基點，圍繞著如何建立成本核算規則並給予表達、如何支持多種成本核算方法以及如何提供更為快捷、精確的成本核算等三大主題展開深入的研究，並建立了多適應性成本核算模型。該模型以先進的成本核算方法作業成本法為理論基礎，涵蓋了從作業成本核算模型的建立到成本單據自動歸集轉換等規則的提取，從動因量存儲使用等規則的建立到成本多樣化分配以及支持多種成本計算方法等全部內容。在對成本核算規則進行分析和表達的基礎上，該模型提出了基於作業成本法的成本信息轉換存儲規則、記賬規則、動因量歸集規則、分配規則以及計算公式語言，並建立了基於這些規則的規則引擎，從而使得該模型能夠滿足企業多種成本計算方法的需求，簡化了企業人員的操作過程，並且實現了更為準確的成本歸集，更為迅速的成本制單，以及更為細化的成本分析，為企業的進一步決策提供了有力的數據支持。The precise processing of the testing data is a crucial technique of this project, which is essential for reconstructing the flying behavior of tsp. the main tasks of this paper are ameliorating the black box sub - system and developing interface and transacting software of the ground laser radar
對穩態掃描參數的測試數據進行精確處理，就能夠直觀再現末敏彈空中姿態；本文的工作就是完善、改進彈上黑匣子數據處理系統和開發地面激光雷達的介面和處理軟體。The bose - hubbard model is a basic model which contains main features in the strongly interacting bose systems. various aspects of this and related models were previously investigated analytically by quantum monte carlo method ( qmcm ), mean - field approximation method and so on
本文利用玻色子算符的微分實現來重新構造bose - hubbard模型的哈密頓量，並展開對一維bose - hubbard模型精確數值解的研究。The instrument can easily and correctly location, depth of the underground pipes and the exact position of leak points on the insulating anticorrosive coating without digging ground
本儀器不挖開復土的情況下，方便而準確地查出地下管道的走向、深度和絕緣防腐層的漏蝕點的精確位置，使整個管道表面不再屢遭到處開搪破土之苦。Version 5s revolutionary and innovative application scripting capability allows you to finally take control of your information and makes you self - sufficient in terms of being able to build sophisticated, customized and highly automated applications and solutions for your particular business or organization
本著以精確無誤、合符邏輯和不受限制的方針開發，目的為了令一般用戶也能以簡單的方式製作出復雜的資料庫，而In this paper, a new control strategy based on the adaptive deadbeat voltage space vector is presented. this control scheme has a lower sample frequency and a smaller difference between switch frequency and sample frequency. it has many advantages, such as producing zero vectors organically, tracing exactly, non - shaking, etc. and its dynamic response is better
對于電能質量調節器來講， pwm跟隨指令參考信號的控制性能在很大程度上影響著裝置的補償效果，本文選擇無差拍電壓空間矢量控制為系統控制策略，這種控制方法具有采樣頻率低，開關頻率與采樣頻率的差距小，能有機地產主零矢量、跟蹤精確以及無抖振等優點，動態響應快。This dissertation only considers the signal ’ s distortion by interconnect, such as delay, reflection, discontinuity of microstrip, crosstalk and simultaneous switching noise, and so on. nowadays, there are some simulation software in pcb level, but they are lack of the well ability of modeling. in order to simulate the interconnect accurately, we have to make use of three - dimension full wave analysis method, whose disadvantage is low speed in computing, but is competent for developing rules in high - speed designs
目前也有一些針對這些噪聲的高速pcb板級模擬軟體，但它們都缺乏詳盡的建模能力，特別是當頻率逐漸提高和電路板日益復雜后，更是顯得無能為力，要精確地對互連結構進行分析，三維全波模擬器似乎不可缺少，其缺點就是速度慢，對整板模擬很難實現，但非常適用於規則開發，而這正好是本文除了建模與模擬方法研究外另一個重點。According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system
針對研製任務的要求，課題期間研製了下位機系統硬體和軟體，開發了上位機監控軟體，其中所作的具體工作包括：測量原理的研究和在系統中的實現，在本次設計中用三種方法來進行水位測量，分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法；主控晶元的選擇，我們選用了高集成度的混合信號系統級晶元c8051f021 ；實現了信號的採集和處理，包括信號的轉換和在單片機內的運算；高集成度16位模數轉換晶元ad7705在系統中的應用，我們完成了它與單片機的介面設計及程序編制任務；精確時鐘晶元ds1302在系統中的應用，在此，我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬，該晶元的應用給整臺儀器提供了時間基準，方便了儀器的使用；另外，針對研製任務的要求，還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測，該部分的實現是通過採用ad421晶元來完成的，本設計中完成了ad421與單片機的spi介面任務，協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系，並完成了程序設計；與上位機的通信介面設計，該部分通過兩種方法實現： rs232通信方式和rs485通信方式；系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。The error compensation software for cam precision grinding has been developed, and results show that the cam grinding accuracy can be ensured and the productive can be improved. ( 1 ) by using the method of movement error analysis of mbs, the geometric error model of sk - 21 nc machine tool has been established, and the calculation equation for precision processing of nc machine tool has been derived, which lays a good foundation of programming the error compensation software
基於該磨床目前的狀態和已有的研究成果，本課題展開了以下主要研究工作: （ 1 ）以多體系統運動學理論為基礎，建立精確的sk - 21數控凸輪磨床運動模型，全面考慮各項結構誤差和運動誤差對加工精度的影響，推導出精密加工約束條件方程，揭示機床實精密加工的實質。Thirdly, the conclusions of the two aspect applications are given as follows : the exploration of the application of the evaporation duct prediction to the flux relationship research and evaporation duct predicting shows that based on this predicting method and with microwave refractometer, as sensor, ( 1 ) the dimensionless gradient function of temperature, humidity and refractivity in the flux relationships can be determined with higher precision, ( 2 ) the limitations of conventional observations on the predicting accuracy for evaporation duct can be avoided and the precise prediction for evaporation duct can be obtained with the accurate measurement of refractivity profile within a few meters. the radar performance under given evaporation
三、對兩個應用問題的討論表明：基於本文發展的蒸發波導預測理論，使用微波折射率儀為傳感器： （ 1 ）開展通量關系研究時，可以用於邊界層溫度、濕度和折射率無量綱梯度函數的精確測定和得到蒸發波導環境預測所需的偽折射率參數化函數關系； （ 2 ）預測蒸蒸發波導環境特性和傳播特性及其應用研究發波導環境時可以避免使用傳統氣海界面要素測量中存在的局限，並用折射率音d面不太高的精確測量結果精確預測蒸發波導環境。On the purpose of catching up with the advanced level of the world, and developing microinjection devices of ourselves to promote the chinese gene engineering, this paper is dedicated to the design and fabrication of the microinjection volume controller and the research on the detection of microinjection volume by micro - vision, based on looking into the advanced products mentioned above and researches on the dynamical characteristics of the dna micro - fluid from both theoretical and experimental aspects
為了追趕世界先進水平，同時也為了開發具有中國特色的顯微注射設備，以推動我國基因工程的發展，本論文在深入調查了解國外先進產品，以及從理論及實驗方面對dna微流體的動力學特性進行研究的基礎上，致力於微注射量控制器的設計與研製，以及顯微視覺檢測技術的研究，以便對其進行更有效、更精確的定量控制。Factory depends on technology reformation, high efficiency management and market sale, dives into large asset, introduces equipment and person with ability, empolders market damand new product, also carries out standard management, intensifies staffs ' consciouss, tries our best to make standard quality product, improve effciency and reduce cost so we have strong competitive ablity and make the biggest profit for consumer, and will try our best to cooperate with customer from all over the world to empolder market and share in return
我廠一向奉行以技術革新為先導，以高效管理為核心，以市場營銷為動力的經營理念，大力投入巨資，引進設備及人才，不斷開發出適合市場需求的系列新產品，領導消費潮流；堅持不懈地推行標準化、零缺陷，提高效率，降低成本，使我們在市場面前具備極強的競爭力，為消費者創造最大的利益；以準確的市場定位，精確的市場營銷戰略，與各地客戶緊密合作，榮辱與共，共同開發市場，共享市場繁榮帶來的豐厚回報。分享友人