MPSK信号调制方式识别仿真，可产生B，4，8PSK信号加噪声进行仿真，学习信号分析的可以参考-MPSK modulation signal recognition simulation, can generate B, 4,8 PSK signal plus noise simulation, the study of signal analysis can refer to
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001426s ]
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:0.141905s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002568s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001134s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000921s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004408s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001336s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006608s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.024194s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001600s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 259739 [ RunTime:0.017730s ]
