The low jitter transmission of pulse signals is realized by direct RF-modulation based on PLL frequency modulation. 介绍了锁相调频的基本原理,用锁相调频的射频直接调制方法实现了脉冲信号的低抖动传输。
The performance for the frequency modulation of electrical feedback optical transmitters is presented. 本文研究了电反馈光发射机的频率调制(VHF-FM)特性。
This thesis firstly introduce the function, performance index and operation principle of the wireless interphone of frequency modulation. 首先介绍了调频无线对讲机的功能、性能指标和工作原理。
This paper presents a new wideband digital beamforming method using subarrays and Linear Frequency Modulation(VHF-FM) ( LFM ) signal. 该文在基于子阵和发射为线性调频信号的前提下,提出一种宽带子阵数字波束形成方法。
This thesis studies and designs a wireless interphone of frequency modulation. 本论文研究设计了一款调频无线对讲机。