4psk&8psk的matlab实现,采用蒙特卡罗仿真法,计算误码率误比特率,绘制相应曲线-the realization of 4psk&8psk by Matlab tool,it use Monte Carlo way to calculate the BER and draw the graph.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001122s ]
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:0.081996s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001066s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001131s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001109s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003052s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000943s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003637s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014706s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.000975s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 34262 [ RunTime:0.016620s ]