自動(dòng)化畢業(yè)論文-范本=基于ad9851的dds信號(hào)源發(fā)生器-資料下載頁
2024-11-07 20:36本頁面
【導(dǎo)讀】自動(dòng)化畢業(yè)論文-范本=基于ad9851的dds信號(hào)源發(fā)生?；贏D9851的DDS信號(hào)源發(fā)生器。所在學(xué)院計(jì)算機(jī)與信息工程學(xué)院。導(dǎo)師姓名職稱趙建軍教授。論文完成時(shí)間2020年5月10日。河南大學(xué)2020屆畢業(yè)設(shè)計(jì)論文創(chuàng)作開題報(bào)告。其他來源課題的目的意義以及和本課題有關(guān)的國(guó)內(nèi)外現(xiàn)狀分析。1．目的合理的使用DDS技術(shù)設(shè)計(jì)一種結(jié)構(gòu)簡(jiǎn)單性能優(yōu)良的信號(hào)發(fā)生器。2．意義基于DDS的各種優(yōu)點(diǎn)在信號(hào)發(fā)生和頻率合成方面有廣闊的研究和發(fā)。3．現(xiàn)狀運(yùn)用DDS技術(shù)的信號(hào)發(fā)生器已經(jīng)廣泛的用于信號(hào)源中不僅能產(chǎn)生四。形并且得到仿真結(jié)果。2．內(nèi)容通過AD9851輸出頻率可調(diào)頻率穩(wěn)定的正弦波方波三角波三種波形并。顯示以及單片機(jī)與AD9851模塊通信的電路圖之后編寫控制程序利用仿真工具。進(jìn)度計(jì)劃與階段要求。利用單片機(jī)與AD9851之間的通信建立一個(gè)基于DDS型的信號(hào)發(fā)生系統(tǒng)要求。答辯委員簽字4名以上。比中被發(fā)現(xiàn)有以上行為愿按學(xué)校有關(guān)規(guī)定接受處理并承擔(dān)相應(yīng)的法律責(zé)任。2．學(xué)校有權(quán)保留并向上級(jí)有關(guān)部門送交本畢業(yè)論文設(shè)計(jì)創(chuàng)作的復(fù)印件和磁
【正文】 9851_fq_up 0 測(cè)試程序 1000Hz main P0 0x00 P1 0x00 P2 0x00 P3 0x00 并行寫 1000Hz 程序 ad9851_reset ad9851_wr_parrel 0x011000 0X01 為開六倍頻 ad9851_wr_parrel 0x001000 0X00 為不開六倍頻 串行寫 1000Hz 程序 ad9851_reset_serial ad9851_wr_serial 0x01500000 0X01 為開六倍頻 ad9851_wr_serial 0x001000 0X00 為不開六倍頻 while 1 LCD 的顯示程序 include define uchar unsigned char define uint unsigned int sbit lcdrs P32 sbit lcdrw P33 sbit lcde P34 sbit d P27 sbit s1 P20 sbit s2 P21 sbit s3 P22 sbit cs P35 sbit wr P36 uchar slnumaysj uint fre void delay uint z uint ij for i zi 0i for j 110j 0j void delay1 uint y uint i for i yi 0i uchar code tosin[256] 0x800x820x850x880x8b0x8e0x910x940x970x9a0x9d0xa00xa30xa6 0xa90xac0xaf0xb20xb60xb90xbc0xbf0xc20xc50xc70xca0xcc0xcf 0xd10xd40xd60xd80xda0xdd0xdf0xe10xe30xe50xe70xe90xea0xec 0xee0xef0xf10xf20xf40xf50xf60xf70xf80xf90xfa0xfb0xfc0xfd 0xfd0xfe0xff0xff0xff0xff0xff0xff0xff0xff0xff0xff0xff0xff 0xfe0xfd0xfd0xfc0xfb0xfa0xf90xf80xf70xf60xf50xf40xf20xf1 0xef0xee0xec0xea0xe90xe70xe50xe30xe10xde0xdd0xda0xd80xd6 0xd40xd10xcf0xcc0xca0xc70xc50xc20xbf0xbc0xba0xb70xb40xb1 0xae0xab0xa80xa50xa20x9f0x9c0x990x960x930x900x8d0x890x86 0x830x80 0x800x7c0x790x760x720x6f0x6c0x690x660x630x600x5d 0x5a0x570x550x510x4e0x4c0x480x450x430x400x3d0x3a0x380x35 0x330x300x2e0x2b0x290x270x250x220x200x1e0x1c0x1a0x180x16 0x150x130x110x100x0e0x0d0x0b0x0a0x090x080x070x060x050x04 0x030x020x020x010x000x000x000x000x000x000x000x000x000x00 0x000x000x010x020x020x030x040x050x060x070x080x090x0a0x0b 0x0d0x0e0x100x110x130x150x160x180x1a0x1c0x1e0x200x220x25 0x270x290x2b0x2e0x300x330x350x380x3a0x3d0x400x430x450x48 0x4c0x4e0x510x550x570x5a0x5d0x600x630x660x690x6c0x6f0x72 0x760x790x7c0x80 void write_ uchar lcdrs 0 P1 delay 5 lcde 1 delay 5 lcde 0 void write_data uchar date lcdrs 1 P1 date delay 5 lcde 1 delay 5 lcde 0 void init lcdrw 0 lcde 0 wr 0 cs 0 write_ 0x38 write_ 0x0c write_ 0x06 write_ 0x01 write_ 0x800x00 write_data 0x77 寫 wave write_data 0x61 write_data 0x76 write_data 0x65 write_data 0x3a write_ 0x800x40 寫 f write_data 0x66 write_data 0x3a void write_f uint date 寫頻率 uchar qianbaishige qian date1000 bai date10010 shi date1010 ge date10 write_ 0x800x42 write_data 0x30qian write_data 0x30bai write_data 0x30shi write_data 0x30ge write_data 0x48 write_data 0x5a void xsf 顯示頻率 if slnum 1 fre 1000 93ys write_f fre if slnum 2 fre 100000 3ys write_f fre if slnum 3 fre 1000 153ys write_f fre void keyscanf d 0 if s1 0 delay 5 if s1 0 while s1 slnum if slnum 1 ys 0 write_ 0x800x05 write_data 0x73 寫 sine write_data 0x69 write_data 0x6e write_data 0x65 write_data 0x20 write_data 0x20 if slnum 2 ys 10 write_ 0x800x05 write_data 0x73 寫 squrae write_data 0x71 write_data 0x75 write_data 0x61 write_data 0x72 write_data 0x65 if slnum 3 ys 0 write_ 0x800x05 寫 train write_data 0x74 write_data 0x72 write_data 0x61 write_data 0x69 write_data 0x6e write_data 0x20 if slnum 4 slnum 0 P1 0 write_ 0x800x05 write_data 0x20 write_data 0x20 write_data 0x20 write_data 0x20 write_data 0x20 write_data 0x20 write_ 0x800x42 write_data 0x20 write_data 0x20 write_data 0x20 write_data 0x20 write_data 0x20 write_data 0x20 if s2 0 delay 5 if s2 0 while s2 ys if s3 0 delay 5 if s3 0 while s3 ys void main init while 1 keyscanf if slnum 1 正弦波 for j 0j 255j P0 tosin[j] delay ys if slnum 2 方波 P0 0xff delay1 ys P0 0 delay1 ys if slnum 3 三角波 if a 128 P0 a delay1 ys else P0 255a delay1 ys a if s1s2s3 xsf 開題報(bào)告Ⅰ 開題報(bào)告Ⅰ 開題報(bào) 告Ⅱ 任務(wù)書 中期檢查表 綜合成績(jī)表一 綜合成績(jī)表二 承諾書 河南大學(xué)本科畢業(yè)生學(xué)士學(xué)位論文 第 I 頁 第 10 頁 AD9851 LCD1602 鍵盤 單片機(jī) 低通濾波器 信號(hào)輸出 濾波 5v 直流輸出 7805 穩(wěn)壓 12V 直流電源
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