This paper uses simulated annealing genetic algorithm for node deployment in wireless sensor networks research.Con-struction of mathematical model of optimized deployment node,node deployment into an optimization problem.Based on sim-ulated annealing genetic algorithm for optimization model,optimal solution as the final configuration of the node position,node continues to repair covered empty cases may completely cover the largest area.%将模拟退火遗传算法应用于无线传感器网络的节点部署研究，构建节点的优化部署数学模型，将节点部署问题转化为优化问题，利用模拟退火遗传算法求解优化模型，最优解作为节点的最终配置位置，使节点在不断修复覆盖空洞的情况下最大可能的完全覆盖监测区域。通过仿真结果表明，该算法能够有效地提高无线传感器网络的覆盖率。
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