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課程設(shè)計-出租車自動計費器設(shè)計-全文預(yù)覽

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【正文】 ip。嫌惡過自己的怯懦,最終卻發(fā)現(xiàn)有很多緣分,有很多錯過,好像冥冥之中真的已經(jīng)注定。A person39。 Then in high school, think don39。二十年的人生軌跡深深淺淺,突然就感覺到有些事情,非做不可了。s plaint. In a statement the Russian side added: We found no racist insults from fans of CSKA.Age has reached the end of the beginning of a word. May be guilty in his seems to passing a lot of different life became the appearance of the same day。City39。s Premier League match at Chelsea on Sunday.I am going to be at the match tomorrow and I have asked to meet Yaya Toure, he told BBC Sport.For me it39。nearest CAB.For more information about making a claim to an employment tribunal, seeif you win the case.If you are thinking about signing up for Further help.Employment tribunals are less formal than some other courts, but it is still a legal process and you will need to give evidence under an oath or affirmation.Most people find making a claim to an employment tribunal challenging. If you are thinking about making a claim to an employment tribunal, you should get help straight away from one of the organisations listed underDismissal.You can make a claim to an employment tribunal, even if you haven39。六、參考文獻[1] 康華光《電子技術(shù)基礎(chǔ)》(第五版),高等教育出版社出版[2] 畢滿清《電子技術(shù)實驗與課程設(shè)計》(第三版)機械工業(yè)出版社[3] 閻石《數(shù)字電子技術(shù)基礎(chǔ)》(第五版)北京高等教育出版社g an employment tribunal claimEmployment tribunals sort out disagreements between employers and employees.You may need to make a claim to an employment tribunal if:但是由于自己知識的不足,所以該設(shè)計還有許多不盡如人意的地方,可能在實際應(yīng)用中有些功能不到位。在對MultiSim10軟件的運用有了一定的熟練程度后,我才開始著手本次設(shè)計。如下圖9所示:圖8:6豪秒脈沖驅(qū)動10進制計數(shù)器圖9::總的費用顯示用0000—9999一萬進制表示。也需要有一個脈沖發(fā)生器產(chǎn)生與等候時間成正比的脈沖信號。設(shè)計電路圖及仿真波形圖如下:圖3:圖4:圖5:6毫秒555多諧振蕩脈沖電路圖6:6毫秒脈沖波形圖(1)行車里程計費 行車里程計費的電路將汽車行駛的里程數(shù)轉(zhuǎn)換成與之成正比的脈沖個數(shù),然后由計數(shù)譯碼電路變成收費金額,在出租車轉(zhuǎn)軸上加裝傳感器,以便獲得“行駛里程信號”。經(jīng)濟指標上,方案二需要的都是基本數(shù)電原件,而方案一需要的比例乘法器價格較高,需要原件數(shù)量上基本相等,所以方案二比方案一經(jīng)濟,綜上所述,方案二最優(yōu),所以本設(shè)計確定選擇方案二!二、單元電路的設(shè)計1.脈沖電路設(shè)計根據(jù)實際情況大約估計出租車60公里/小時,由于每10米一個脈沖,行程里程及起步電路則是60毫秒/脈沖?;?非 門 + 非 門150進制脈沖源行車里程或 非 門 + 非 門控制開關(guān)計數(shù)器10進制脈沖源等候時間譯碼器800進制脈沖源起價控制開關(guān)圖2:出租車自動計費器方案二框圖比較方案的標準有三:一是技術(shù)指標的比較,哪一種方案完成的技術(shù)指標最完善的;二是電路簡易的比較,哪一種方案在完成技術(shù)指標的條件下,最簡單、容易實現(xiàn);三是經(jīng)濟指標的比較,在完成上指標的情況下,選擇價格低廉的方案。圖1:出租車自動計費器方案一框圖方案二:本設(shè)計主要介紹了基于電子工作平臺MultiSim10設(shè)計出租車計價器控制電路。 同理,等車計費也可以轉(zhuǎn)換成脈沖當量,這需要由脈沖發(fā)生器產(chǎn)生10個脈沖/10分鐘(設(shè)為P4),(置B4=0、B3=6),經(jīng)比例乘法器后將等車計費變換成脈沖數(shù)P2=P4(0B4+)。指導(dǎo)教師評語: 評定成績?yōu)椋?
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