时域分析在非平稳信号中的应用主要讲述了非平稳信号的时域分析方法。-Time-domain analysis of non-stationary signals in the application focuses on the non-stationary signals in time domain analysis method.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001395s ]
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:0.093081s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001018s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001155s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000984s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003274s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001051s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003813s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.024958s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001831s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 177032 [ RunTime:0.012916s ]