太原理工大學(xué)DSP課件課程設(shè)計(jì).ppt

DSP課程設(shè)計(jì),設(shè)計(jì)題目,正弦信號(hào)發(fā)生器的設(shè)計(jì) 有限沖擊響應(yīng)FIR濾波器的設(shè)計(jì) 無限沖擊響應(yīng)IIR濾波器的設(shè)計(jì) FFT的DSP實(shí)現(xiàn),設(shè)計(jì)報(bào)告封皮,設(shè)計(jì)題目 班級(jí) 姓名 同組人,設(shè)計(jì)報(bào)告內(nèi)容,一、設(shè)計(jì)目的 二、設(shè)計(jì)內(nèi)容 三、設(shè)計(jì)原理 四、總體方案設(shè)計(jì) 五、主要參數(shù) 六、源程序 七、實(shí)驗(yàn)結(jié)果及分析 八、設(shè)計(jì)總結(jié),求一個(gè)角度的正弦值,取泰勒級(jí)數(shù)的前5項(xiàng)，得近似計(jì)算式：,例：求一個(gè)角度的正弦值,.mmregs .def start .def sin_start, d_x, d_sinx STACK: .usect “STACK“,10 start: STM #STACK+10,SP LD #d_x, DP ST #6487H, d_x CALL sin_start end: B end,sin_start: .def sin_start d_coeff .usect “coeff“,4 .data table: .word 01C7H ;C1=1/(8*9) .word 030BH ;C2=1/(6*7) .word 0666H ;C3=1/(4*5) .word 1556H ;C4=1/(2*3) d_x .usect “sin_vars“,1 d_squr_x .usect “sin_vars“,1 d_temp .usect “sin_vars“,1 d_sinx .usect “sin_vars“,1 c_l .usect “sin_vars“,1,.text SSBX FRCT STM #d_coeff, AR5 RPT #3 MVPD #table,*AR5+ STM #d_coeff, AR3 STM #d_x,AR2 STM #c_l,AR4 ST #7FFFH,c_l,SQUR *AR2+,A ;A=x2 ST A,*AR2 ;(AR2)=x2 |LD *AR4,B ;B=1 MASR *AR2+,*AR3+,B,A ;A=1-x2/72,T=x2 MPYA A ;A=T*A=x2(1-x2/72) STH A,*AR2 ;(d_temp)=x2(1-x2/72) MASR *AR2-,*AR3+,B,A ;A=1-X2/42(1-X2/72),T=x2(1-x2/72),MPYA *AR2+ ;B=x2(1-x2/42(1-x2/72) ST B,*AR2 ;(d_temp)=x2(1-x2/42(1-x2/72) |LD *AR4,B ;B=1 MASR *AR2-,*AR3+,B,A ;A=1-x2/20(1-x2/42(1-x2/72) MPYA *AR2+ ;B=x2 (1-x2/20(1-x2/42(1-x2/72) ST B,*AR2 ; (d_temp)=B |LD *AR4,B ;B=1,MASR *AR2-,*AR3+,B,A ;A=1-x2/6(1-x2/20(1-x2/42(1-x2/72) MPYA d_x ;B=x(1-x2/6(1-x2/20(1-x2/42(1-x2/72) STH B,d_sinx ;sin(theta) RET .end,MEMORY PAGE 0: EPROM: org=0E000H, len=1000H VECS: org=0FF80H, len=0080H PAGE 1: SPRAM: org=0060H, len=0020H DARAM: org=0080H, len=0010H ,SECTIONS .text :EPROM PAGE 0 .data :EPROM PAGE 0 STACK :