用于机动目标跟踪的白噪声模型算法，本代码中需要调用模型函数，可以自己编写简单的模型函数即可。-For maneuvering target tracking algorithm for white-noise model, the code needs to call the model function, can I have written a simple model can function.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002263s ]
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:0.090635s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002274s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002103s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002119s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003661s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002092s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003349s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014831s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002547s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 3955 [ RunTime:0.001181s ]
