matlab在系统辨识中的应用此处为白噪声产生的源代码及运行后结果（包括图像）-Matlab in the system identification of white noise here for the source code and run after the results (including images)
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.003278s ]
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:0.134953s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002045s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002137s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002147s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003835s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002031s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003447s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015422s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003744s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 3313 [ RunTime:0.001391s ]
