调制解调课程设计 16QAM调制解调代码。包括星座图,频谱分析,误码率分析。-16QAM modulation and demodulation curriculum design code modulation and demodulation. Including constellation, spectrum analysis, bit error rate analysis.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001126s ]
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:0.073876s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001266s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001828s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001118s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003182s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001040s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004013s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.019706s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001624s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 217164 [ RunTime:0.019627s ]