系统主要由单片机和GSM短信模块组成，借助最可靠、最成熟的GSM移动网络，以最直观的中文短消息或电话形式，直接把报警地点的情况反映到您的手机屏幕上。它采用主动式红外传感器进行检测，变有形的传统防盗网防盗窗为无形，给火灾时的逃生提供方便。并配备烟雾传感器和燃气泄漏传感器，实现防火、防燃气泄漏的作用。-System is mainly composed of SCM and GSM SMS modules, with the most reliable, most mature GSM mobile

本系统主要由单片机和GSM短信模块组成，借助最可靠、最成熟的GSM移动网络，以最直观的中文短消息或电话形式，直接把报警地点的情况反映到您的手机屏幕上。它采用主动式红外传感器进行检测，变有形的传统防盗网防盗窗为无形，给火灾时的逃生提供方便。并配备烟雾传感器和燃气泄漏传感器，实现防火、防燃气泄漏的作用。-The system is mainly by the single-chip modules and GSM text messages, with the most reliable, most

Array signal processing, is a part of signal processing that uses sensors that are organized in patterns, or arrays, to detect signals and to determine information about them. Accurate estimation of a signal direction of arrival (DOA) has received co