皮卫星通信系统中的数字解调模块  

Design and Realization of Digital Demodulation in Pico-satellite Communication System

作　　者：靳少伟[1] 金仲和[1] 

机构地区：[1]浙江大学信电系光电子所,杭州310027

出　　处：《仪器仪表学报》2005年第z2期518-521,共4页Chinese Journal of Scientific Instrument

摘　　要：阐述了皮卫星通信系统中解调模块的实现方案,详细介绍了基于DSP的数字解调的基本原理和具体结构、仿真情况、实测结果以及误码率的测试平台。验证了星上解调系统由模拟走向数字的必然性。It describes the principle and realization of demodulation module in pico-satellite communication sys-tem.The detailed discussion is provided in the structure of demodulation scheme based on DSP circuit.The analy-sis in the simulation result and BER testing method are also presented.As a result,the analog demodulation sys-tem in satellite must be taken place by the digital system.

关 键 词：BPSK/DPSK 差分相干解调 误码率 

分 类 号：TH7-55[机械工程—仪器科学与技术]