Triggering time synchronization error model is derived, and based on phase noise model of frequency source, random synchronization error is considered.
本文建立了触发时间同步误差模型，结合频率源相位噪声模型，初步分析了随机型时间同步误差对成像的影响。
Based on the frequency-domain model of synthesizer, the method can accurately predict the phase noise of the divider and its influence to the phase noise of synthesizer.
这种方法基于频率综合器的频域模型，能比较准确地预测分频器的相位噪声和它对整个频率综合器相位噪声的影响。
Then presented the basic structure, phase model, frequency response and performance analysis for noise and spur, of phase locked loop (PLL).
然后介绍了锁相环(PLL)的基本结构、相位模型、频率响应、噪声及杂散性能。
Flicker noise is approximately simulated by power law model of phase noise spectral density.
根据相位噪声功率谱的幂律模型，近似地模拟了相位噪声。
Under additive Gaussian white noise environment, signal model of polynomial-phase signal is presented.
在加性高斯白噪声的背景下，建立了多项式相位信号的信号模型。
The flow noise transit time estimation is given on the basis of mathematics model and linear neural networks, then the flow velocity of gas-solid two phase flow is measured.
并以此为基础通过线性神经网络测量流动噪声的渡越时间，进而测出流速。
The flow noise transit time estimation is given on the basis of mathematics model and linear neural networks, then the flow velocity of gas-solid two phase flow is measured.
并以此为基础通过线性神经网络测量流动噪声的渡越时间，进而测出流速。
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