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(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(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。