150MHz频段窄带调频无线接收机-电子机电类毕业设计-机械工程毕业论文-毕业设计-浅论天下网 关键词 ： 调频MC3361；混频；本振；鉴频 [gap=1495]Keywords MC3361；mixing；local oscillation；frequency discrimination
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frequency discrimination telegraph 鉴频式电报 ; 频差电报
spatial frequency discrimination 空间频率鋻别 ; 空间频率鉴别 ; 空间频率
Frequency discrimination figure 鉴频系数
sound frequency discrimination [生理] 声音频率辨别
frequency discrimination curve 鉴频曲线
pulse frequency discrimination 脉冲鉴频
frequency discrimination switch 鉴频开关
With the TDA method,this paper mainly introduces the principle and basic steps of digital frequency discrimination. With the FDA method,this paper emphasizes the specific conditions and principle of hidden spectrums.
在时域分析法中，主要介绍了数字鉴频的指导思想和基本步骤；在频谱分析法中，重点阐述了隐谱线的确定条件和原理。
参考来源 - UT信号的数字译码·2,447,543篇论文数据，部分数据来源于NoteExpress
This article has made the improvement to CPAFC which be commonly used. After the improvement frequency discrimination algorithm has the quicker capture speed.
对常用的叉积自动频率跟踪环（CPAFC）进行了改进，改进后的鉴频算法具有更快的捕获速度。
In this paper a distant image play-out system designed with the principle of frequency discrimination, main technical measures and main technical specifications are described.
利用鉴频原理设计了一种无线多功能多路远程影像播控系统，介绍了采用的主要技术措施及实现的主要技术指标。
Then the differential frequency discrimination method, especially at slow data rates, is discussed while a practical structures of differential frequency discrimination is given.
然后讨论了差分鉴频的方法，特别是对低数据率情况下的差分鉴频进行了探讨，并给出了一种实用的数字鉴频结构。
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