这是一个非常完整的qpsk调制解调用fpga实现的工程,在工程中已经能够正常使用,使用的quartus ii 开发,使用Verilog语言,文件中还包含了各种滤波器的系数文件,还有matlab仿真文件,整个工程包含从串并变换,相位映射,到成型滤波,中通滤波,cic滤波,调制,再到解调过成的下变频,匹配滤波,载波提取,位定时,判决,整个完整的过程,
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001143s ]
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:0.064381s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001239s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001091s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000991s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003040s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000862s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003578s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017967s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001416s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 333384 [ RunTime:0.014991s ]