【文章內(nèi)容簡(jiǎn)介】 est, and identif icat ion sit uation 7418l iangci, nvest igat ion motor vehicle except ion business 30 car t imes, his par ds business warning 244 ar ticle, vehicles and r iving people sound video regulat ory scr eenshots 1852 Zhang, checks motor vehicle ar chives 716 pieces t im es, and m edium bus, and medium above t ruck, and Of hazar dous chemicals, vehicles and schol buses and ot her key vehicle inspection r ecord of 420. (C) based on t heir own, and str ict adherence t o def ense, more cheating, f alse f alse f ugit ive suspect s, r obber y suspect vehicles and t he I nt er cr ackdown. DMV f ul play t o t he f ir st line of Def ense posit ion contr ol, invest igat ing cheat ing, f ake ident ifcation and robber y suspect vehicles t hrough operational work, and car ef uly examine t he document s and legal pr oof, check t raffic violat ions, t r af fic accident s, t he f ugit ive suspect suspected vehicles and t heft t han t o wor k, fur ther t ight car , dr ivng m anagement business f or malit ies r eview pr ocedures. . Tr uck driver inf ormation management platf or m. Mot or vehicles and t raf fic police depar tm ents, St at e t r ansport author it y t o f ur ther clarif y the Division of labour , im plement at ion r esponsibilt y, st rengt hen our colabor at ion and management toget her , r einf orcing t he m anagement of dr ivers on which str ongly synthetic warf ar e and inf or mation warf ar e. 3 str ict ly im plemented. From M ay 1 up, a is im plem ented plex road and bad weather dr iving exam, curently DM V is ur ged cont ract ors par ty in t reasures driving school incr eased simulat ion Highway, and cont inuous ur gent det our s, and snow days, and wet sliding r oad, and bur st situation disposal, subj ects I I f ield t o dr iving exam project , is expected 目 錄 摘 要 ............................................................................................................................. 0 ABSTRACT ..................................................................................................................... 1 論 .......................................................................................................................... 1 選題背景及意義 .................................................................................................. 2 火災(zāi)報(bào)警技術(shù)的發(fā)展概況 .................................................................................... 2 智能火災(zāi)報(bào)警系統(tǒng) .............................................................................................. 3 本章小結(jié) ............................................................................................................ 4 ....................................................................................................................... 5 火災(zāi)報(bào)警系統(tǒng)的類(lèi)型 ........................................................................................... 5 目 的和要求 ......................................................................................................... 6 系統(tǒng)總體功能概述 .............................................................................................. 6 ...................................................................................................................... 7 單片機(jī) ................................................................................................................ 7 單片機(jī)的選擇 .......................................................................................... 7 AT89C51 結(jié)構(gòu)簡(jiǎn)介 .................................................................................... 8 A/D 轉(zhuǎn)換器 ......................................................................................................... 9 A/D 轉(zhuǎn)換器的選擇 .................................................................................. 9 ADC0809 芯片的基本知識(shí) ........................................................................ 9 煙霧傳感器 ....................................................................................................... 10 溫度傳感器 ........................................................................................................11 4 . 軟件設(shè)計(jì) ................................................................................................................. 13 系統(tǒng)軟件流程圖 ............................................................................................... 13 ADC0809 流程圖 ................................................................................................ 14 DS18B20 流程圖 ................................................................................................ 17 5 . 調(diào)試 ........................................................................................................................ 21 編程 Keil 環(huán)境介紹 ........................................................................................... 22 調(diào)試過(guò)程中遇到的問(wèn)題及解決方法 .................................................................... 24 6 . 結(jié)果 ........................................................................................................................ 26 總結(jié)與展望 .................................................................................................................... 28 致 謝 ............................................................................................................................. 30 參考文獻(xiàn) ........................................................................................................................ 31 附錄一 火災(zāi)自動(dòng)報(bào)警原理圖 .......................................................................................... 33 附錄二 文獻(xiàn)翻譯 ................................................................................................. 34 evaluat ion of scient if ic development. Nat ur e secur ity t ype nat ur e secur ity is t o maintenance people of healt h value f or t ar get, thr ough st rengt hening secur ity based management, and r isk m anagement , and equipment manag