卡尔曼滤波器的主要功能就是目标跟踪，程序利用卡尔曼滤波器实现了对机动目标的跟踪-Kalman filter is the main function of target tracking, procedures for the use of a Kalman filter to achieve the right track moving targets
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002387s ]
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:0.094119s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002880s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002556s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002402s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003693s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002222s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003240s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014853s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001914s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 3500 [ RunTime:0.001178s ]
