As the container transport market is affected by many factors , there is a lot of noise in the time series signal which is constituted by the historical data of the China Container Freight Index ( CCFI ) .
由于集装箱运输市场受到多种因素的影响，由中国出口集装箱运价指数（CCFI）的历史数据构成的时间序列信号中含有很多噪声。
CCFI