Orthogonal Multi-Carrier Modulation(OMCM) is adopted to overcome the frequency selectivity and time variation of low-voltage power line channel.
为克服低压电力线信道的频率选择性和时变性，系统采用正交多载波方式传输信息。
Introduced the method of multi-transistor modular design, for the output ability are limited in single high-frequency power transistor.
介绍了因单个高频大功率晶体管输出能力有限而采用多管并联运用(积木式)的方法。
Multi-modulus divider(MMD) based on phase-switching technology finds wide application due to good trade-off between operating frequency and power consumption.
基于相位转换技术的多模分频器由于其在工作频率和功耗中能更好地折中而得到广泛的应用。
Because power systems are complex and multi-variable, it is very difficult to realize automatic secondary load-frequency control.
电力系统一般都很复杂且变量又多，实现二阶负载—频率自动控制也相应变得很困难。
Several correlative key technologies are mainly discussed, for example routing technology, multi-sensor data amalgamation technology, radio frequency (RF) technology and low power technology.
详细探讨了相关的几项关键技术———路由技术、多传感器数据融合技术、射频技术、超低功耗技术。
In this paper, a semi-distributed user scheduling and power allocation scheme is developed for the downlink of multi-cell systems with universal frequency reuse.
对全复用多小区系统下行链路用户调度与功率分配问题进行了研究，提出了一种半分布式的用户调度与功率分配方案。
Load Frequency Control (LFC) of the multi-area power system is an important measure for guaranteeing the electric energy qualities and implementing the secure and economic dispatch.
多区域电力系统的负荷频率控制(LFC)是保证电能质量和实施安全和经济调度的重要举措。
Adopt high frequency multi voltage circuit, PWM pulse width modulation technology and high-power IGBT devices.
采用高频倍压电路，应用PW M脉宽调制技术和大功率IGBT器件。
Parameter optimization of power system stabilizers is very important to restrain the low-frequency oscillation of multi-machine systems.
电力系统稳定器参数的优化对于抑制多机电力系统低频振荡具有非常重要的意义。
Parameter optimization of power system stabilizers is very important to restrain the low-frequency oscillation of multi-machine systems.
电力系统稳定器参数的优化对于抑制多机电力系统低频振荡具有非常重要的意义。
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