基于OFDM体制的调制和解调程序。
对码流进行OFDM方式的调制和解调。-system based on OFDM modulation and demodulation process. Bitstream right way for the OFDM modulation and demodulation.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002590s ]
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:0.131725s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002673s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002929s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002700s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004356s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002295s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003484s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015433s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002609s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 316777 [ RunTime:0.001203s ]
