华兹华斯(1770—1850年),英国浪漫主义诗人,“湖畔派”的领袖人物,其代表作《水仙》广为传颂,英文原作如下: I wandered lonely as a cloud /That floats on high o’er vales and hills,/When all at once I saw a crowd,/A host,of golden daffodils;/Beside th
This paper proposes an adaptive neural network control method for a class of perturbed strict-feedback nonlinear systems with unknown time delays. Radial basis