The author ' s main work lies on the implementation of baseband procedure hardware according to the military standard . this paper emphasizes in the estimation of lqa ( link quality analysis ) parameters during ale , and specify synchronization method during ale . finally the paper narrate the design scheme and implementation method of hf radio station 作者的主要研究工作集中在按照军标的规定实现了ale系统基带处理部分的硬件设计,本文着重分析了在自动链路建立过程中lqa ( linkqualityanalysis )参数的估算问题,并研究了自动链路建立时的同步方法,最后阐明短波无线电台实验系统设计方案与实现方法。
The basic characteristics , framework , principles of dominant parts and application of those are studied and illustrated . at the last chapter , by devising a short - wave radio station aforementioned fundamental theories are put into practice especially digital modulation , demodulation , ddc and dug etc . the implement framework and design method of sdr are discussed by data transmission of voice including dug modulation in transmit module and ddc demodulation in receive module . moreover , satisfied results are obtained by validation on the sb3410 platform in bluewave system 针对论文设计中用到的两个比较重要的器件hsp50214b下变频器和hsp50215上变频器,作了较为深入的研究并给出了详细的描述,包括基本特征、框架结构、各主要部分原理及在设计中的应用;在最后一章,通过设计一个短波无线电台,将前面的基础理论尤其是数字调制、解调及数字上、下变频等应用于实践中,通过实例讨论话音数据传输的软件无线电实现结构及设计方法,包括发射模块中的上变频调制和接收模块中下变频解调等,并在bluewave系统的sb3410平台上运行验证,取得了较为满意的结果。
短波: short wave无线电台: radio station超短波无线电台: uhf radio set; ultrashort wave radio station超短波无线电话机: ultra-short wave wirele telephone; ultra-short wave wireless telephone超短波无线电设备: uhf radio set短波无线电报学: short wave telegraphy短波无线电发射机: short wave radio tra mitter; short wave radio transmitter双工超短波无线电话机: double-cha elsuper-short-wavewirele telephone; double-channel super-short-wave wireless telephone导波无线电: guided-wave radio微波无线电: microwave radio便携式两频道超短波无线电话机: portable two-channel super-short-wave radio telephone短波无线电收信台电磁环境要求: electromagnetic environment requirements for shortwave radio receiving stations【无线电】短波段。: skip band地波无线电信号: ground wave radio signal分米波无线电通信: decimeter radio连续波无线电电报: continuous wave radio telegraph全波无线电收音机: all-wave radio数字微波无线电: digital microwave radio数字微波无线电收: digital microwave radio tra mitter-receiver equipment; digital microwave radio transmitter-receiver equipment微波无线电继电器: microwave radio relay微波无线电接力: microwave radio relay微波无线电设备: microwave radio equipment微波无线电通信: microwave radio微波无线电系统: microwave radio system微波无线电信标: microwave beacon