This paper analyzes frequency interference, control channel interference and service channel interference in PHS and it also gives some solutions.

文章主要对频率干扰进行了讨论分析，结合对PHS中控制信道干扰、业务信道干扰的分析及一些解决方法进行了探讨。

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I introduce the frequency allocation between BCCH carrier frequency and TCH, signal fading arithmetic, interference theory and the adjusting thinking of dynamic power control.

介绍了BCCH载波与TCH载波的频率配置、信号衰落算法、干扰原理、动态功率控制的调节思路，以及提高网络质量，改善小区登陆与切换性能的措施。

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Integrating application and research technology of DCS and frequency inverter, realize switchover without interference between control valve and frequency-inverter motor in producing process control.

经过DCS与变频控制技术的结合应用与研究，实现了生产过程控制中调频电机与调节阀的无扰动切换。

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