程序可以实现三维目标的跟踪监控，利用的是扩展卡尔曼滤波器EKF算法-Program can achieve the three-dimensional target tracking control, the use of the extended Kalman filter EKF algorithm
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001079s ]
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:0.075747s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001078s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001159s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001095s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003175s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000886s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003854s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016203s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001126s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 322368 [ RunTime:0.018949s ]
