加袖后的分形天线可有效地改善天线的高频端特性，袖长和袖间距对高频特性有较强的调节作用。
The sleeves can effectively improve the performance of the fractal antenna at high resonant frequency. That is, its space and its height have excellent ability to tune at high resonant frequency.
设计了一种以电流型PWM控制器UC3842芯片为核心的高频单端反激式开关稳压电源。
A high frequency single-ended flyback switching power supply is designed with current-mode PWM controller UC3842 chip as its core.
在第一环行器的第三端与耦合器间还可接入一个或一个以上受激布里渊散射装置以产生更高频的微波信号。
One or one more stimulated Brillouin scattering devices are connected between third end of first circulator and coupler for producing more high-frequency microwave signal.
本发明公开了一种振动式螺旋送料机，它是在螺旋送料机的进料端安装有弹簧座和高频振动电机。
The invention discloses a vibrating screw feeder. A feed end of the screw feeder is provided with a spring seat and a dither motor.
ADSL技术是一种调制技术，在双绞铜线的两端分别接入adsl调制解调器，即可利用其高频宽带特性传送高速数据。
ADSL is one of the modulation techniques. Using the wideband capacity in copper twisted-pair cable, high speed data can be transmitted on the subscriber line.
ADSL技术是一种调制技术，在双绞铜线的两端分别接入adsl调制解调器，即可利用其高频宽带特性传送高速数据。
ADSL is one of the modulation techniques. Using the wideband capacity in copper twisted-pair cable, high speed data can be transmitted on the subscriber line.
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