非常实用的工具，可以用Matlab来进行射频上船用的转换以及分析。（例如可以将S矩阵转化成Z矩阵，放大器稳定性分析……）-Very useful tool, you can use Matlab to carry out on the marine radio frequency conversion, as well as analysis. (Such as the S matrix can be transformed into Z matrix, amplifier stability analysis ... ...)
文 件 列 表
RF_Tools networks global conversion circles stability amplifiers smith const_G_circle.m smith
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001390s ]
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:0.069830s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000987s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001172s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000942s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003051s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000878s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003455s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014160s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001058s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 32330 [ RunTime:0.017455s ]
