帮同学做的毕业设计中用到的IIR,2阶,截止频率等参数均可以任意设置-Help of graduate students to do the design used in the IIR, 2 bands, parameters such as cut-off frequency can be arbitrarily set
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001375s ]
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:0.094099s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000994s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001342s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000870s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003074s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000979s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003745s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014067s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001114s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 184305 [ RunTime:0.014475s ]
