With the demands for TV industry,an audience rating analyzing and predicting system is designed and realized.

After the comparison of several methods used in audience rating investigation system,the paper proposes an audience rating investigation system based on wireless sensor networks.

The bad use of positive reports lead to negative effect;the negative news reports always focus on the abnormality in society,reflect the real contradiction objectively and satisfy the diffusion right of the audience to a certain extent;in addition,the material coming from negative news reports attend to the needs of audience better,so as to gain higher audience rating.

Research on the Application of Rating Measurement to TV Media Dominant Strategy;

Popular concern for "green rating" of TV programs reveals an anxiety for the wild chase after rating of TV programs in present-day society.

Results show: ratings are on the increase year after year, which is the result of large -scale sport events; viewers are those with better education, better profession and higher income, most of whom are young males.

The Research on TV Ratings and Program Scheduling;

TV ratings function as popular currency in deciding the program arrangement.

As far as the popular media main body television concerned, it need to obtain the possible high viewing ratio.

This paper analyzed three factors affecting TV watching rating.