以下为句子列表:
英文: In this paper, the form and detection of phase noise is presented and the effect of phase noise in QAM modulation is analyzed.
中文: 摘要分析了相位噪声的成因、测量以及相位噪声对系统的影响。
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英文: RC and other relaxation oscillators just will not do since amplitude noise in whatever circuit functions as a comparator will appear as phase noise on the output signal.
中文: RC谐振器以及其它一些张弛振荡器不能满足要求,这是因为它们的核心是电压比较器,需要利用电压信号的波动(噪声)来获得稳定的输出,这种波动就构成了时钟的抖动。
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英文: This paper introduces the basic concepts and importance of short-term frequency stability and phase noise, its expression in time domain and in frequency domain, the methods of measurements of phase noise and compares their advantages and disadvantages re
中文: 摘要叙述了短期频率稳定度、相位噪声的基本概念和重要性、在时域和频域中的表达方法以及各种相位噪声的测量方法,并且分别比较了各种方法间的优缺点。
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英文: This paper introduces the principle of phase-locked loop and analyzes the performance characteristics of PLL chip ADF4106 which has wide bandwidth and low power consumption.And then introduces the design method of a kind of low phase noise frequency synth
中文: 介绍了锁相环路的工作原理,分析了低功耗宽带集成锁相环芯片ADF4106的工作特性,并介绍了一种利用单片机控制该芯片的低相位噪声频率合成器的设计方法,讨论了环路滤波器的设计,为高频频率合成器的设计提供了很好的思路。
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英文: The oscillator phase noise was modeled as Gaussian carrier frequency-offset noise,and further its effect on the ST-FSK systems' performance was proposed when Vectron non-ovened crystal oscillators were applied.
中文: 将相位噪声建模为高斯载波频偏噪声,研究了系统采用Vectron非恒温控制式晶体振荡器时频偏噪声对其系统性能的影响。
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