以湖南电视台和北京卫视为代表,对全国30家电视台卫星频道2008全年日收视率进行时间序列分析,建立了四种拟合模型.其中,大部分电台收视率具有长期趋势或长期趋势和季节效应的综合影响,分别建立ARIMA模型和乘积季节模型,并进行预测,其结果表明模型拟合效果较好. Taking Hunan TV and Beijing TV as representatives, this paper analyzes the time series of the daily ratings of satellite channels of 30 television stations all over the country in 2008, and establishes four fitting models, in which the ratings of most radio stations have long-term trends or long-term trends and seasons Effect of the combined effects of ARIMA model were established and the product of the seasonal model, and forecast, the results show that the model fitting better.