中文摘要：

20世纪90年代以来,随着现代微电子技术、无线通信技术、计算机网络技术的进步以及互联网的迅猛发展,使得具有感知、计算和无线网络通信能力的传感器以及由其构成的无线传感器网络引起了人们的极大关注。传感器网络被认为是21世纪最重要的技术之一,它将对人们的社会生活和产业变革带来极大的影响和产生巨大的推动作用。文中介绍了无线传感器网络的发展历史,组成,体系结构,特征及应用等,并重点介绍了无线传感器网络中的研究热点及关键技术,同时还对其研究现状和发展前景做了介绍。

英文摘要：

Science 1990s,with the progress of the modern microelectronics technology、wireless communication technology、computer network technology and Internet rapid development,the sensors that possess the capability of the perception、calculation、wireless network communication and the wireless sensor network which is consisted by sensors induce people＇s great concern.Sensor network is considered one of the most important technologies in the 21st century,it will bring enormous influence and produce tremendous role in promoting on the people＇s social life and industrial and industrial revolution.This article describes the development history、composition、structure、character and application of the wireless sensor network,and focuses on the reach hot and key technologies,at the same time also introduces reach current situation and development prospect in the wireless sensor network.