The traditional direct torque control system has existed large torque fluctuation, poor performance of low speed region, inconstant switch frequency, etc.
传统的直接转矩控制存在着转矩脉动大，低速性能差、开关频率不固定等问题。
The switch is characterized by simple structure, polarization-independence, low optic insertion loss and interchannel crosstalk, fast response speed, small in size and low drive voltage, etc.
这种磁光开关具有结构紧凑、器件体积小、偏振无关性、响应速度快、驱动电压低和串扰小等优点；
SOG material, as traditional SOI material, has much excellent electronics property, for example, SOG circuit has the advantage of high switch speed, high density, low voltage, low power and so on.
SOG材料与传统SOI材料一样，拥有许多优良的电学性能，例如SOG电路具有高开关速度、高密度、低压和低功耗等优点。
It is of high switch speed, small size, less weight, and low cost.
该电路具有开关速度高，体积小，重量轻、价格廉等优点。
The generated signals have advantages of high frequency resolutions, fast frequency switching speed, low phase noise, the ability to switch frequencies while maintaining constant phase.
具有频率分辨率高、频率切换速度快、频率切换时相位连续、输出相位噪声低等优点。
Parallel Packet switch (PPS) can realize high speed switching by using low speed switches, which is a hot spot in switching area.
并行分组交换机(PPS)是一种利用多个低速交换结构实现高速交换的新技术，它是当前高速交换领域的一个研究热点。
Parallel Packet switch (PPS) can realize high speed switching by using low speed switches, which is a hot spot in switching area.
并行分组交换机(PPS)是一种利用多个低速交换结构实现高速交换的新技术，它是当前高速交换领域的一个研究热点。
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