这个代码是matlab仿真的在没有协作用户的情况下，进行的误码率性能仿真。-Matlab simulation of this code is the collaboration of users in the absence of circumstances, to carry out simulation of BER performance.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001314s ]
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:0.090027s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001278s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001898s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001246s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003537s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001171s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003240s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016544s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001417s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 31678 [ RunTime:0.001332s ]
