一个外国人写的，纯C，在研学上面看的全是C++和MATLAB的代码，里面有1DFFT, 2DFFT, 以及各种频率域滤波器-Written by a foreigner, pure C, look above in the research study is a wholly-C++ And MATLAB code, which has 1DFFT, 2DFFT, and a variety of frequency-domain filter
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001584s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.084596s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001086s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001060s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003292s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000932s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014772s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001214s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 85156 [ RunTime:0.016212s ]
