MIMO 信道容量的仿真
和单天线相比 多天线的信道容量仿真比较 绝对可以运行-MIMO channel capacity of the simulation and compared to single-antenna multi-antenna channel capacity can run a simulation comparing the absolute
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001307s ]
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:0.097938s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001781s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002211s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001210s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003729s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001080s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003330s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.020426s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002015s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 184850 [ RunTime:0.001841s ]
