考虑了瑞利衰落信道下的情况,设置了5,10,20条多径,有完美的仿真结果-consideration of Rayleigh fading channels under the conditions, the number of trails 5, 10, 20, a perfect simulation results
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002040s ]
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:0.103223s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.003172s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003421s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002931s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006740s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002630s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006246s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.026845s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003458s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 182989 [ RunTime:0.001391s ]
