memory,cycle stealing

Based on the simple genetic algorithm,an improved genetic algorithm(IGA)is presented,in which the niche technology and memory are introduced so that the population persity is maintained and the optimal solution is reserved.

基于遗传算法的基本原理 ,提出一种改进的遗传算法 ,把小生境技术和记忆器引入遗传算法 ,来保护种群的多样性 ,同时使每代最优解得到保留。

Choosing modified acceptance probability formula and setting memory in practical computation, the best results can be searched out by memory and the simulated annealing algorithm suitable for inversion of time-lapse seismic data can be acquired.

本文以广义Boltzmann-Gibbs统计理论为基础,采用依赖于温度的似Cauchy分布产生新的扰动模型,选用改进的接收概率公式,并在实际计算中设置记忆器,记忆搜索到的最好结果,得到适合时移地震反演的模拟退火算法。