线性递减权重法的粒子群算法，针对基本粒子群算法容易早熟以及算法后期易在全局最优解附近产生振荡现象，可以采用线性变化的权重。-A linear weighting method of particle swarm algorithm, in view of the basic particle swarm optimization (pso) algorithm is easy to premature algorithm and easy to generate oscillation phen