DOA估计中的基本music算法，一个是有问题的，另一个是针对前一个的改进，有重大学习意义-DOA estimates of basic music algorithm is a problem, the other is aimed at improving the one before, meaning a major study
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001185s ]
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:0.063675s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001124s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001212s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001096s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003157s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000895s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003683s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014533s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001564s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 26744 [ RunTime:0.017386s ]
