载波调制红外无线报警系统设计与仿真  

Design and Simulation of Infrared Wireless Alarm System Based on Carrier Modulation

作　　者：吕曙东[1] 

机构地区：[1]盐城工学院实验教学部,江苏盐城224051

出　　处：《煤炭技术》2011年第12期148-150,共3页Coal Technology

摘　　要：针对当前尚缺乏对红外报警系统参数与性能仿真分析的研究现状,在Multisim 10中设计一种红外无线报警系统,采用双射束探测以提高红外作用距离,采用载波调制以提高红外发射效率,采用选频放大电路以提高系统抗干扰能力,采用调频发射电路以实现无线报警。结合系统理论参数及工作状态的分析,仿真测试结果表明,系统性能指标达到了设计要求。Aiming at the shortage of simulation research of parameter and performance of infrared alarm system, a infrared wireless alarm system was designed in Muhisim lO：used double beam detection to improve the distance of infrared monitoring, used carrier modulation to improve the efficiency of infrared emitting, used amplifier circuit of frequency-selecting to improve the capability of anti-jamming,used transmitting circuit of frequency modulation to realize wireless alarm. Based on the analysis of theoretical parameters and work states of the system, the final simulation results show that the performance indicators of the system meet the design requirements.

关 键 词：红外报警 MUHISIM 10 载波调制 仿真 

分 类 号：TN215[电子电信—物理电子学] TN751