例句 /

From the viewpoint of macro dynamic characteristics of freeway traffic flow, this paper classifies the freeway, gives a nonlinear macro dynamic traffic flow model of freeway using density and speed as state variables and then identifies the parameters by

From the viewpoint of macro dynamic characteristics of freeway traffic flow, this paper classifies the freeway, gives a nonlinear macro dynamic traffic flow model of freeway using density and speed as state variables and then identifies the parameters by

摘要从高速公路交通流的宏观特性和动态特性出发,对高速公路进行了两级分段,以车流密度和车流速度作为状态变量,给出了高速公路非线性的宏观动态交通流模型,进而采用直接搜索法对模型中的参数进行了分段辨识,并给出了辨识实例。