phase jitter meaning in English
相位抖动
相位择动
Examples
- Based on the analysis of transistor amplifier noise model , we select devices with low noise in reason . and the method how to reduce phase noise and phase jitter is also discussed
依据晶体管放大器的噪声模型分析合理选择了低噪声的元器件,对降低相位噪声和相位抖动的方法作了一些探讨。 - The paper compares some algorithms on rs decoding , makes improvements based on the me algorithm , removes the modifying step in decoding truncate rs code , corrects unsuitable statements in the related papers , and parameterizes the rs decoding module , reducing its area by 20 % . the paper overcomes the signal integration problem in multi - clock design , greatly lowers the phase jitter without area increase , introduces pll to adjust rate for the first time , and parameterizes the module
本文比较了实现rs解码的几种算法,并在me算法基础上进行改进,创造性的去掉了缩短码解码中的校正环节,纠正了有关论文中的不当论述,并将rs解码模块进行了参数化设计,同时也将rs解码的规模缩小了20 ;克服了多时钟设计中的信号完整性难题,在没有增加模块面积的条件下,大幅降低数据的相位摘要抖动,首次引入锁相环来调整速率。 - At the same time , the technology of frequency synthesis is developing rapidly and it requires much better performance on its reference source - crystal oscillator . so , it is significant for practical applications and development of theory to make researches on crystal oscillator ' s phase noise and phase jitter , and improve its performance fundamentally
同时随着频率合成技术的迅猛发展,对晶体振荡器参考源的要求也越来越高,研究频率源信号的相位抖动和相位噪声,从根本上改善频率源的性能,对于这一学科的理论发展和实际应用都具有重要的意义。 - It is necessary in digital communication system that carrier recovery can compensate frequency offset and phase jitter brought by transmission and modulation . this paper is mainly focused on carrier recovery technique . we introduce the channel model at cable headed and receiving site . firstly , we introduce the principle of carrier recovery and give some algorithms of them , which are directed - decision , reduced constellation and frequency sweeping
本论文紧紧围绕着数字通信系统中的载波恢复技术,在介绍了有线通信系统所用的调制解调信道模型后,首先阐述了载波恢复技术的思想和基本原理,在此基础上给出了三种载波恢复算法,即判决导向算法、简化星座判决算法和扫频算法,并且给出了其各自的仿真图:然后深入研究了一种适合高阶qam并且能纠正较大频偏的载波恢复技术:极性判决算法。 - The basic principle of feedback crystal oscillator is analyzed . the basic concept of frequency stability is also introduced , following by the usual expression of phase noise in frequency domain and phase jitter in time domain . further , we describe the origin of crystal oscillator ' s phase noise and phase jitter , also list a variety of its contributors
然后从理论上分析了反馈型晶体振荡器的基本工作原理,并阐述频率稳定度的概念,给出了在频域中相位噪声和时域中相位抖动的表示方法,形成原因以及影响相位抖动的诸多因素。