It sends digital signals based on dmx512 . pci bus is the data - transporting media between cpu and single - chip computer . at present , there are several kinds of schemes for the pci bus and the peripheral circuit ( 2 )設(shè)計(jì)以pci總線為cpu和負(fù)責(zé)處理dmx512仂,議數(shù)據(jù)的單片機(jī)之間數(shù)據(jù)傳輸媒介的數(shù)據(jù)通訊卡,研究pci總線的有關(guān)特點(diǎn),比較各種pci接口方案的優(yōu)缺點(diǎn),結(jié)合實(shí)際選出一種切實(shí)可行的方案。
This paper offers a pcb automatic test method by using optical video technology , microcomputer control technology and image process technology etc . this method put forward an operable and practical scheme to develop an efficient , steady , accurate and automatic pcb test system 本課題確定了利用光學(xué)攝像技術(shù)、微機(jī)控制技術(shù)、圖像處理與分析技術(shù)來(lái)自動(dòng)檢測(cè)pcb的方法,為研制一種高效、穩(wěn)定、精確、自動(dòng)化的pcb檢測(cè)系統(tǒng)制定了一個(gè)切實(shí)可行的方案。
New contributions of this dissertation are as follows : 1 ) an intelligent data mining model of power system security and stability is proposed firstly . a practical method is presented to analyze the power system dynamic data from both the digital simulation and the real measurements . meanwhile , the dissertation presents a novel multiple knowledge models of mined information 為有效利用仿真與實(shí)測(cè)動(dòng)態(tài)數(shù)據(jù),填平數(shù)據(jù)和信息之間的鴻溝,將淹沒(méi)在海量數(shù)據(jù)中的有效信息提取出來(lái)供電力系統(tǒng)運(yùn)行和研究使用,論文將數(shù)據(jù)挖掘技術(shù)應(yīng)用于安全穩(wěn)定分析,主要成果如下: 1 )論文首次提出了電力系統(tǒng)安全穩(wěn)定智能挖掘模型,定義了挖掘信息的多重知識(shí)表達(dá)模式,為有效利用電力系統(tǒng)仿真、實(shí)測(cè)數(shù)據(jù)提供了切實(shí)可行的方案。
The establishment and implementation of the competitive market maker mechanism in china can be a practical operation in promotion of the healthy development of the chinese securities market on the condition that we can design a reasonable implementation details and carry out the project step by step 只要我們能夠設(shè)計(jì)出合理的實(shí)施辦法并逐步開展試點(diǎn)工作,競(jìng)爭(zhēng)性做市商制度在中國(guó)的建立就是切實(shí)可行的方案,而這對(duì)于促進(jìn)中國(guó)證券市場(chǎng)的健康發(fā)展將具有非常重要的現(xiàn)實(shí)意義。
Abstract : under the base of investigation and research on natural radioactive nuclein in coal of yili area , combining with the distributing characteristic and law of radioactive nuclein in coal of area and residents ' customer of using coal in yili area , the article raises decrement , resources , harmless and prevention and control measure of whole course managing rule with having a definite object in view and put foward a feasible plan and way for economie developmant of yili area , resonable development and utilization of coal resources , preventing from pollution because of mining and utilizing coal and further protecting people ' s health 文摘:在對(duì)伊犁地區(qū)煤中天然放射性核素調(diào)查研究的基礎(chǔ)上,結(jié)合伊犁地區(qū)煤中放射性核素分布的特點(diǎn)、規(guī)律以及伊犁地區(qū)居民的用煤習(xí)慣,有的放矢的提出了減量化、資源化、無(wú)害化以及全過(guò)程管理原則的防治措施,為伊犁地區(qū)的經(jīng)濟(jì)發(fā)展,煤炭資源的合理開發(fā)和利用,防止因煤炭的開采利用而造成的污染,建設(shè)性的提出了切實(shí)可行的方案和途徑。
The study of this paper does a helpful attempt for the data mining technology to apply in the environmental information management . and at the same time it also proposes a feasible method for fully utilize the magnanimity data in the environmental information management system to offer decision 本文是數(shù)據(jù)挖掘技術(shù)在環(huán)境信息管理中應(yīng)用的一次有益嘗試,論文的研究成果為充分利用環(huán)境信息管理系統(tǒng)中的海量數(shù)據(jù)提出了一種切實(shí)可行的方案和思路,同時(shí)也為決策人員進(jìn)行數(shù)據(jù)分析提供了理論依據(jù)。
Based on the research of the theories about systematic composing , data fusion of multi - sensor system and the interface between multi - sensor system and the software , a practical scheme for acquisition and fusion of the data from multi - sensor with software has been proposed and demonstrated in this paper 本文在研究了多傳感器系統(tǒng)構(gòu)成、多傳感器數(shù)據(jù)融合和多傳感器系統(tǒng)與計(jì)算機(jī)軟件系統(tǒng)的結(jié)合等理論的基礎(chǔ)上,對(duì)利用軟件系統(tǒng)對(duì)多傳感器數(shù)據(jù)進(jìn)行收集和融合提出了切實(shí)可行的方案。
So to develop a new type of transformer calibrator which has the high precision and the high degree of automation is significative . for the outdated transformer calibrator is widely used , this paper analyzed the theory of previous calibrators and proposed an idea of designing a new type of intelligent calibrator , based on the theory of measure the difference , adopt the project of dsp and mcu structure , also use high speed a / d electric chip . after the design of hardware circuit diagram , adopt the theory of fft and quasi - synchronous sampling method to reach the demand of precision . this paper discuss the intelligent development of transformer calibrator , achieve some success in the study 本文針對(duì)國(guó)內(nèi)市場(chǎng)目前普遍使用的老式互感器校驗(yàn)儀的現(xiàn)狀,提出了智能型互感器校驗(yàn)的研制思想,并詳細(xì)講述了其理論依據(jù)和實(shí)現(xiàn)過(guò)程,提出了切實(shí)可行的方案:基于測(cè)差測(cè)量原理,進(jìn)行基于dsp和mcu雙cpu架構(gòu)、并采用高速a / d的硬件電路設(shè)計(jì),并在此基礎(chǔ)上采用快速傅立葉變換和準(zhǔn)同步采樣算法,并完成相關(guān)的軟件算法框圖設(shè)計(jì),對(duì)互感器校驗(yàn)儀的智能化發(fā)展進(jìn)行了有益的探索,取得了具有實(shí)用意義的成果。
We have introduced intranet technologies , database technologies and postal intranet system very detailedly in the article . and we have analyzed minutely the practical circumstances of computer network of neijiang post . in the first paragraph , authors make a detailed introduction to computer networks ’ primary theory , and especially introduce those new intranet technologies 本論文詳細(xì)闡述了企業(yè)內(nèi)部網(wǎng)技術(shù)、數(shù)據(jù)庫(kù)技術(shù)和郵政intranet系統(tǒng)等基礎(chǔ)理論,全面詳盡地分析了內(nèi)江市郵政局計(jì)算機(jī)網(wǎng)絡(luò)系統(tǒng)的實(shí)際情況,并對(duì)即將進(jìn)行的內(nèi)江郵政網(wǎng)絡(luò)的改造和升級(jí)提出了切實(shí)可行的方案。
Based on the three layer architecture technology , the platform system is developed by microsoft visual studio . net , and it realizes the operating module on database based on component technique of ado . net interface ; sql server 2000 is as the database management system , defines some key tables of database , designs an realizes the functions of appending , querying and renewing services , such as the organization , personnel , production , project and information issue of the scientific research management , respectively in the research part of ispssrm ’ s development , it first analyzes inadequacies and technological difficulties of the original edition of ispssrm , then discusses the problem of dealing with diagonal line , the combination of multi - table , the design of query on dynamic tables , and the web report forms , and the extension of the service function such as the applying and estimating in web , and finally proposes the concept to extend the function of ispssrm Net開發(fā)工具,基于三層結(jié)構(gòu)技術(shù)實(shí)現(xiàn)了web業(yè)務(wù)功能模版;基于ado . net接口的組件方式實(shí)現(xiàn)了數(shù)據(jù)庫(kù)訪問(wèn)操作,在數(shù)據(jù)存儲(chǔ)層使用sqlserver2000作為后臺(tái)數(shù)據(jù)庫(kù)管理系統(tǒng),定義了數(shù)據(jù)庫(kù)關(guān)鍵表;設(shè)計(jì)實(shí)現(xiàn)了科研管理的機(jī)構(gòu)、人員、成果、項(xiàng)目、信息發(fā)布、維護(hù)等業(yè)務(wù)的添加、查詢、更新功能。在ispssrm的發(fā)展研究部分,首先分析了ispssrm原型系統(tǒng)的不足之處及存在的技術(shù)難題,探討了動(dòng)態(tài)表格的斜線處理、多表合并、查詢?cè)O(shè)計(jì)及web的打印問(wèn)題以及網(wǎng)上申報(bào)、評(píng)審功能模塊等業(yè)務(wù)功能的拓展,提出了擴(kuò)展ispssrm的功能的思路。 ispssrm現(xiàn)已經(jīng)在蘇州大學(xué)科研處投入試運(yùn)行,為高校的科研管理信息化建設(shè)、提高科研管理水平提供了一個(gè)切實(shí)可行的方案。