myfft是一个自编matlab函数，将输入的采样频率个采样点数建立一个数据库后，取出表中的数据进行fft分析，绘制出时频波形进行比较分析-myfft self Matlab is a function of the input sampling frequency of 000 sampling points after the establishment of a database and extract table data fft analysis, time-frequency mapping out a comparative analysis of waveforms
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.024464s ]
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:0.212532s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.030361s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003274s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.004426s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005312s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.003622s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.007781s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.022410s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002848s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 3057 [ RunTime:0.001213s ]
