对于IPL，提出了一种由几何去相关而引入的相位噪声模型。
For the IPL, a reasonable noise model related to geometric decorrelation was also proposed.
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。
Triggering time synchronization error model is derived, and based on phase noise model of frequency source, random synchronization error is considered.
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。
Then presented the basic structure, phase model, frequency response and performance analysis for noise and spur, of phase locked loop (PLL).
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