码主要由两条指令组成：第一个，利用式（4-2-3）计算信道增益；第二个，通过数组相乘对输入信号幅度进行尺度变换。-Code composed mainly of two instructions: the first one, using equation (4-2-3) Calculate the channel gain second, multiplied by an array of input signal amplitude scaling.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.011584s ]
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:0.107089s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001118s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001293s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001149s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.008616s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001001s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003685s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016367s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001064s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 180196 [ RunTime:0.013246s ]
