通信仿真，调制解调实例，含原代码。内含一篇关于通信仿真的毕业论文。感觉不错-Communication simulation, modulation and demodulation example, containing the original code. Contains a thesis on communication simulation. Feeling good
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.008284s ]
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:0.081099s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000899s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001101s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000979s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003078s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000794s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003673s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.021967s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001664s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 206521 [ RunTime:0.019482s ]
