提供时域波形显示窗，检验滤波效果。显示叠加前信号波形、滤波前信号波形、滤波后信号波形
-provide time-domain waveform display window, checking the filtering effect. Before the show superimposed signal waveform, before the signal waveform filter, filter signal waveform
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002015s ]
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:0.089550s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.004755s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002266s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003679s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002117s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015156s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001957s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 151957 [ RunTime:0.001144s ]
