数字接收机定时符号同步经典算法著作Gardner-This is the interpolation on the classic symbols of the articles, for the realization of the receiver symbol timing synchronization, the hardware engineering staff to develop a good reference
文 件 列 表
interpolation_in_digital_modems.I.Fundamentals Interpolation in digital modems. I. Fundamentals.pdf interpolation_in_digital_modems.I.Fundamentals
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001311s ]
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:0.100851s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001315s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002152s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001432s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004312s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001369s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003523s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.022792s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001525s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 162611 [ RunTime:0.001533s ]
