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一种无线短距离呼叫器的设计
引用本文:许志华,吴云亚,潘庭龙.一种无线短距离呼叫器的设计[J].江南大学学报(自然科学版),2009,8(2).
作者姓名:许志华  吴云亚  潘庭龙
作者单位:1. 江南大学,通信与控制工程学院,江苏,无锡,214122;盐城工学院,实验教学部,江苏,盐城,224003
2. 盐城工学院,实验教学部,江苏,盐城,224003
3. 江南大学,通信与控制工程学院,江苏,无锡,214122
摘    要:针对一些无线短距离通信技术应用的局限性,以及其产品成本较高,维修困难等情况,设计了一种新的无线呼叫器,用于短距离的信息传递.该无线短距离呼叫器主要由发射机和接收机两大部分构成.经测定,该呼叫器具有维护方便、规模小、效率高、抗干扰能力强、发射功率利用系数大且成本低等特点.

关 键 词:混频  倍频  谐振  二次谐波  同步检波

Design of Short-Distance Radio-Call
XU Zhi-hua,WU Yun-ya,PAN Ting-long.Design of Short-Distance Radio-Call[J].Journal of Southern Yangtze University:Natural Science Edition,2009,8(2).
Authors:XU Zhi-hua  WU Yun-ya  PAN Ting-long
Institution:1.School of Communication and Control Engineering;Jiangnan University;Wuxi 214122;China;2.Department of Experiment Teaching;Yancheng Institute of Technology;Yancheng 224003;China
Abstract:Faced to the case that some of the short-distance wireless technology applications are limited and the case that the products are expensive and are difficult to be repaired,a new short-distance radio-call is designed to transfer information.It is made of sending set and receiver.After the test,the product has the following characters: easily repairing,small size,high efficiency,strong anti-interference capability and high utilization factor of radiation power and low cast.
Keywords:mixer  frequency-multiplier  resonance  secondary harmonic  synchronous detection  
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