摘要
利用Simulink软件平台,对幅度调制与解调系统进行建模及仿真分析,验证了包络检波的门限效应,并在给定解调器输入信噪比条件下,对比包络检波和同步相干解调的输出信噪比性能,分析出两种解调器的抗噪声性能。加深了对系统调制和解调过程的认识和理解。
Simulink software platform is utilized to model and simulate amplitude modulation and demodulation system. And the threshold effect of envelope detector is verified. Moreover under a given input SNR condition of demodulator the output SNR performance of synchronous coherent demodulation and envelope detection is compared. Then the anti-noise performance of these two demodulators is analyzed out. It can deepen the understanding of the modulation and demodulation process.
出处
《电子技术（上海）》
2012年第6期24-25,共2页
Electronic Technology
基金
山东省高等学校实验技术研究立项项目(NO:S04W138)
