It studies the noise mechanism and its impact on loop stability of PLL circuits and obtains some noise reductive measures, which have proved to be better.

研究了噪声的产生机制和对锁相环稳定性的影响，提出了减小噪声对锁相环性能影响的系列措施，实践证明，达到了较好的效果。

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This paper describes the stability of control loop consisting of refrigeration evaporator and thermostatic expansion valve. It may directly influence refrigerating efficiency and operation safety.

分析热力膨胀阀和蒸发器调节系统的稳定性，它直接影响着制冷效率和运行安全。

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This paper describes the automatic null-setting method for Op-Amp parameters measurement and the stability of the main measurement loop.

对运放参数测试的自动校零方法、测试主回路的闭环稳定性进行了研究。

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"Euro Area members of the G-20 will take all necessary policy measures to safeguard the integrity and stability of the area, improve the functioning of financial markets and break the feedback loop between sovereigns and banks, " they said.

CNN: Obama: Europe should stress financial integration