释义 |
Poincaré surface of section Poincaré surface of section[‚pwän‚kä′rā ′sər·fəs əv ′sek·shən] (mechanics) A method of displaying the character of a particular trajectory without examining its complete time development, in which the trajectory is sampled periodically, and the rate of change of a quantity under study is plotted against the value of that quantity at the beginning of each period. Also known as surface of section. |