資源簡介
基于FPGA 的數字下變頻 cic hb fir濾波器的設計
代碼片段和文件信息
%???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
%THIS?IS?A?WIZARD?GENERATED?FILE.?DO?NOT?EDIT?THIS?FILE!????????????????????????????????????????????????????????????????????????????????
%???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
%---------------------------------------------------------------------------------------------------------??????????????????????????????
%This?is?a?filter?withfixed?coefficients?
%This?Model?Only?Support?Single?Channel?Input?Data.?
%Please?input:??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
%data?vector:? stimulation(1:n)?????????????????????????????????????????????????????????????????????????????????????????????????
%???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
%????This?Model?Only?Support?FIR_WIDTH?to?51?Bits
%???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
%FILTER?PARAMETER???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
%Input?Data?Type: Signed
%Input?Data?Width: 24
%FIR?Width?(Full?Calculation?Width?Before?Output?Width?Adjust)?:???37
%-----------------------------------------------------------------------------------------------------------
%MegaWizard?Scaled?Coefficient?Values
function??output?=?FIR_Compiler_mlab_mat?(stimulation?output)
coef_matrix=[0?0?0?0?1?1?-2?-3?4?5?-6?-8?10?12?-14?-17?20?23?-27?-32?37?44?-52?-63?77?96?-127?-180?304?919?919?304?-180?-127?96?77?-63?-52?44?37?-32?-27?23?20?-17?-14?12?10?-8?-6?5?4?-3?-2?1?1?0?0?0?0?];
INTER_FACTOR??=?1;
DECI_FACTOR??=?1;?
MSB_RM??=?0;
MSB_TYPE??=?0;
LSB_RM??=?0;
LSB_TYPE??=?0;
FIR_WIDTH??=?37;
OUT_WIDTH??=?FIR_WIDTH?-?MSB_RM?-?LSB_RM?;
DATA_WIDTH?=?24;
????????????
data_type=?1;
????????%?check?size?of?inputs.
????????[DXDY]?=?size(stimulation);
????????[CXCY]?=?size(coef_matrix);
????????if?(CX?~=?DY?*?INTER_FACTOR)
????????fprintf(‘WARNING?:?coef_matrix?size?and?input?data?size?is?not?match\n‘);
????????end
????????
????????%fill?coef_matrix?to?length?of?data?with?the?latest?coef?set
????????if?(CX?????????????for?i=?CX?+1:DY?*?INTER_FACTOR
????????????????coef_matrix(i:)?=?coef_matrix(CX:);
????????????end
????????end
????????%check?if?input?is?integer
??????? int_sti=round(stimulation);
????T?=?(int_sti?~=?stimulation);
????if?(max(T)~=0)
????????fprintf(‘WARNING?:?Integer?Input?Expected:?Rounding?Fractional?Input?to?Nearest?Integer...\n‘);
????end
????
????%Input?overflow?check
????switch??data_type
????case?1
????????%set?max/min?for?signed
????????
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????7121??2010-08-23?20:15??ddc\AD_lvds.asm.rpt
?????文件??????37892??2010-08-17?10:30??ddc\AD_lvds.bdf
?????文件????????330??2010-08-18?09:31??ddc\AD_lvds.cdf
?????文件?????????26??2010-08-23?20:15??ddc\AD_lvds.done
?????文件????????239??2010-08-18?09:22??ddc\AD_lvds.dpf
?????文件?????591488??2010-08-23?20:15??ddc\AD_lvds.fit.rpt
?????文件????????617??2010-08-23?20:14??ddc\AD_lvds.fit.smsg
?????文件????????619??2010-08-23?20:14??ddc\AD_lvds.fit.summary
?????文件???????9492??2010-08-23?20:15??ddc\AD_lvds.flow.rpt
?????文件????????227??2010-08-23?20:15??ddc\AD_lvds.jdi
?????文件????4870107??2010-08-23?20:12??ddc\AD_lvds.map.rpt
?????文件??????10086??2010-08-23?20:12??ddc\AD_lvds.map.smsg
?????文件????????475??2010-08-23?20:12??ddc\AD_lvds.map.summary
?????文件??????79249??2010-08-23?20:14??ddc\AD_lvds.pin
?????文件????2097354??2010-08-18?10:22??ddc\AD_lvds.pof
?????文件????????909??2010-08-09?09:24??ddc\AD_lvds.qpf
?????文件???????9647??2010-08-31?11:04??ddc\AD_lvds.qsf
?????文件????????615??2010-08-31?11:04??ddc\AD_lvds.qws
?????文件???11616391??2010-08-16?14:53??ddc\AD_lvds.sim.rpt
?????文件????1090938??2010-08-18?10:22??ddc\AD_lvds.sof
?????文件?????440740??2010-08-23?20:15??ddc\AD_lvds.tan.rpt
?????文件???????5043??2010-08-23?20:15??ddc\AD_lvds.tan.summary
?????文件????1846617??2010-08-18?10:22??ddc\AD_lvds.ttf
?????文件?????375863??2010-08-16?16:52??ddc\AD_lvds.vwf
?????文件????2097354??2010-08-18?09:53??ddc\AD_lvds0819.pof
?????文件????1090982??2010-08-23?20:15??ddc\AD_lvds_time_limited.sof
?????文件???????4338??2009-04-03?13:33??ddc\CMD_decoder_1.v
?????文件???????1977??2010-08-12?14:19??ddc\counter12.bsf
?????文件????????529??2010-08-12?14:19??ddc\counter12.v
?????文件???????3638??2010-08-10?09:44??ddc\db\add_sub_9og.tdf
............此處省略415個文件信息
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