新型卫星电视门限扩展解调器——FPLL  

A New Kind of Threshold Extended Demodulator for Satellite TV Receiwrs-FPLL

作　　者：赵家宾[1] 

机构地区：[1]桂林电子工业学院

出　　处：《电视技术》1991年第10期2-6,共5页Video Engineering

摘　　要：FPLL是一种新型卫星电视门限扩展解调器。与常规PLL门限扩展解调器相比,它具有捕获范围宽,捕获时间短,门限改善量显著等优点。本文首先介绍FPLL的工作原理,然后对FPLL进行初步理论分析。FPLL (Frequency and Phase Locked Loop) is a new kind of threshold extended demodulator for satellite TV receivers. Compared with conventional PLL threshold extended demodulator, it features wider capture range, shorter capture time and significant improvement in threshold level. In this paper, first the operational principle of FPLL is described and a preliminary theoretical analysis is given.

关 键 词：解调器 卫星电视 门限扩展 FPLL 

分 类 号：TN941.4[电子电信—信号与信息处理]