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。
I introduce the frequency allocation between BCCH carrier frequency and TCH, signal fading arithmetic, interference theory and the adjusting thinking of dynamic power control.
如何既能保证引弧成功率高，又能实现以降低频率的方式减小对电网和控制系统的干扰，是设计引弧电路所要解决的问题。
As an ignition circuit, the problem how to ensure the higher success rate of ignition and reduce the disturbance to control system is all the welding personnel need to face.
在蜂窝通信系统中，为了减小由于频率复用造成的共信道干扰，必须对用户的发送功率进行控制。
In cellular systems, transmitter power must be controlled in order to reduce the co-channel interference caused by frequency reuse.
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