%?function?[y?exp_out]?=?fft_model（xNINVERSE）?????????
%???????????????????????????????????????????????????????????????????????????????????????????
%???calculates?the?complex?block-floating?point?FFT/IFFT?of?length?N?of?a??????????????????
%???complex?input?vector?x???????????????????????????????????????????????????????????????????
%????????????????????????????????????????????????????????????????????????????????????????????
%???Inputs:???x??????????:?Input?complex?vector?of?length?B*N?where?B?is?????????????????????
%??????????????????????????the?number?of?blocks?over?which?the?length-N?FFT?is?to??????????
%??????????????????????????be?applied.?If?the?length?of?the?vector?is?not????????????????????
%??????????????????????????an?integral?multiple?of?N?zeros?are???????????????????????????????
%??????????????????????????appended?to?the?input?sequence?appropriately.?????????????????????
%?????????????N??????????:?Transform?Length??????????????????????????????????????????????????
%?????????????INVERSE????:?FFT?direction?????????????????????????????????????????????????????
%??????????????????????????0?=>?FFT??????????????????????????????????????????????????????????
%??????????????????????????1?=>?IFFT??????????????????????????????????????????????????????????
%??????????????????????????????????????????????????????????????????????????????????????????
%???Outputs???y??????????:?The?transform-domain?complex?vector?output????????????????????????
%?????????????exp_out????:?Block?exponent?value???????????????????????????????????????????????
%????????????????????????????????????????????????????????????????????????????????????????????
%???2001-2009?Altera?Corporation?All?Rights?Reserved?
%??????????????????????????????????????????????????????????????????????????????????????????????????
%???Automatically?Generated:?FFT?MegaCore?Function?9.0?Build?132?February?2009???????????????????????????????????????????????????????????????????????????????????????????????????
%
function?[y?exp_out]?=?fft_model（xNINVERSE）?
addpath?‘c:/altera/90/ip/altera/fft/lib//ip_toolbench//../‘
%?Parameterization?Space???
THROUGHPUT=1;
ARCH=2;
DATA_PREC=8;
TWIDDLE_PREC=8;
input_vector_length?=?length（x）;??????????????????????????????????????????????????????????????
number_of_blocks?=?ceil（input_vector_length/N）;???????????????????????????????????????????????
%?Zero-stuff?last?block?if?necessary??????????????????????????????????????????????????????????
x?=?[x?zeros（1number_of_blocks?*?N?-?input_vector_length）];?????????????????????????????????
y=[];?????????????????????????????????????????????????????????????????????????????????????????
exp_out=[];???????????????????????????????????????????????????????????????????????????????????
for?i=1:number_of_blocks??????????????????????????????????????????????????????????????????????
????rin?=?real（x（（i-1）*N?+?1:?i*N））;??????????????????????????????????????????????????????????
????iin?=?imag（x（（i-1）*N?+?1:?i*N））;????????????????????????????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-08-09?22:03??fft\
?????文件???????64121??2013-09-02?15:41??fft\Block1.bdf
?????目錄???????????0??2014-08-09?22:03??fft\db\
?????文件????????1872??2013-08-30?11:13??fft\db\add_sub_4dc.tdf
?????文件????????2299??2013-08-30?11:13??fft\db\add_sub_6dc.tdf
?????文件????????2456??2013-08-30?11:13??fft\db\add_sub_7dc.tdf
?????文件????????2613??2013-08-30?11:13??fft\db\add_sub_8dc.tdf
?????文件????????2770??2013-08-30?11:13??fft\db\add_sub_9dc.tdf
?????文件????????2927??2013-08-30?11:13??fft\db\add_sub_adc.tdf
?????文件????????3084??2013-08-30?11:13??fft\db\add_sub_bdc.tdf
?????文件????????3749??2013-08-30?11:13??fft\db\add_sub_cbj.tdf
?????文件????????4878??2013-08-30?11:13??fft\db\add_sub_d6h.tdf
?????文件????????4775??2013-08-30?11:13??fft\db\add_sub_ibj.tdf
?????文件????????3243??2013-08-30?11:13??fft\db\add_sub_jec.tdf
?????文件????????3418??2013-08-30?11:13??fft\db\add_sub_kec.tdf
?????文件???????13603??2013-08-31?16:18??fft\db\altsyncram_0to3.tdf
?????文件????????9741??2013-08-30?11:10??fft\db\altsyncram_5a31.tdf
?????文件???????23303??2013-08-30?11:13??fft\db\altsyncram_6mc1.tdf
?????文件???????12826??2013-08-30?11:13??fft\db\altsyncram_dsi1.tdf
?????文件???????13898??2013-08-30?11:13??fft\db\altsyncram_fsi1.tdf
?????文件???????15372??2013-08-30?11:13??fft\db\altsyncram_ht62.tdf
?????文件???????22530??2013-08-30?11:13??fft\db\altsyncram_kml3.tdf
?????文件????????5867??2013-08-30?11:13??fft\db\a_dpfifo_lc81.tdf
?????文件????????1718??2013-08-30?11:13??fft\db\cmpr_cg8.tdf
?????文件????????1590??2013-08-31?16:18??fft\db\cmpr_j4c.tdf
?????文件????????1912??2013-08-31?16:18??fft\db\cmpr_n4c.tdf
?????文件????????3153??2013-08-30?11:13??fft\db\cntr_6c7.tdf
?????文件????????4248??2013-08-31?16:18??fft\db\cntr_c4i.tdf
?????文件????????5130??2013-08-31?16:18??fft\db\cntr_iti.tdf
?????文件????????2908??2013-08-30?11:13??fft\db\cntr_pbb.tdf
?????文件????????3138??2013-08-30?11:13??fft\db\cntr_qbb.tdf
............此處省略844個文件信息