dsp的課程設(shè)計(jì)word版-文庫吧資料
2025-01-22 07:16本頁面
【正文】 DX_3, AR0STM cosine, WRSTM sine, WISTM K_LOGN21, STAGE_COUNTERST K_FFT_SIZE/81, d_grps_tSTM K_FLY_COUNT_31, BUTTERFLY_COUNTERST K_DATA_IDX_3, d_data_idx。stage2_end:。***********第2級(jí)蝶形運(yùn)算 stage2**************。***********第1級(jí)蝶形運(yùn)算 stage1**************:STM 0, BKLD 1, ASMSTM fft_data, PXLD *PX, 16, ASTM fft_data+K_DATA_IDX_1,QXSTM K_FFT_SIZE/21, BRCRPTBD stage_end1STM K_DATA_IDX_1+1, AR0SUB *QX, 16, A, BADD *QX, 16, ASTH A, ASM, *PX+ST B, *QX+||LD *PX, ASUB *QX, 16, A, BADD *QX, 16, ASTH A, ASM, *PX+0ST B, *QX+0%||LD *PX, A。*********************** FFT算法子程序 fft **********************。bit_rev:STM d_input, ORIGINAL_INPUTSTM fft_data, DATA_PROC_BUFMVMM DATA_PROC_BUF, REORDEREDSTM K_FFT_SIZE1, BRCRPTBD bit_rev_end1STM K_FFT_SIZE, AR0MVDD *ORIGINAL_INPUT+, *REORDERED+MVDD *ORIGINAL_INPUT, *REORDERED+MAR *ORIGINAL_INPUT+0B。 參考文獻(xiàn)[1] 鄒彥，唐冬，.[2] .附源程序.title .mmregs.copy .def rfft_tasksine: .usect sine, 512cosine: .usect cosin
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