自己编写的，1024点快速傅里叶变换、倒频谱分析、功率谱分析及其Applet曲线显示程序源代码。 说明清楚，附有验证使用的数据文件-themselves prepared in 1024 point fast Fourier transform, cepstrum analysis, power spectrum analysis and Applet curve shows the source code. Make it clear with the use of the test data files
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001285s ]
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:0.073329s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001043s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001179s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000966s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003113s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000884s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003784s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015501s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001156s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 283858 [ RunTime:0.012731s ]
