GPS信号的BPSK调制以及BOC信号的功率谱的ｍａｔｌａｂ仿真程序，可以将两者结合起来比较学习-GPS signals BPSK and BOC modulation signal of the power spectrum matlab simulation program, you can compare the two to combine learning
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001513s ]
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:0.085333s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001075s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001166s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000988s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.002965s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000852s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003560s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015603s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001477s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 27129 [ RunTime:0.029329s ]
