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干扰信号可以是调频电话信号、调频电视信号或脉冲雷达信号。 The RF signal may be a FM telephone signal, a FM television signal or an impulse radar signal. | ||
针对GPS信号的特点,分析了压制式干扰信号功率与干扰距离之间的关系。 According to the characteristics of GPS signals, the jamming power and effective jamming range are analyzed. | ||
但在亨伯桥上,他们遇到一个无线电问题,就是直接信号和反射信号互相干扰。 But on the Humber Bridge they ran into a radio problem, as direct and reflected signals interfered with each other. | ||
介绍了激光半主动制导系统制导信号编码方法和对编码制导信号进行干扰的方法。 Encoding method for guidance signal of semi-active laser guiding system and the method for jamming the encoded guidance signal are introduced. | ||
在移动电话信号与飞行器电子系统之间也可能存在着干扰现象。 There is also the potential of interference between mobile phones signals and aircraft electronics. | ||
它采用空间滤波技术,通过比较主、辅天线接收机的输出信号幅度,实现对干扰信号的抑制。 It adopts space filtering technique to achieve suppression of jamming signal by comparing the output amplitude from the receivers of the main and auxiliary antennas. | ||
然而,这种雷达的回波经常受到干扰而产生杂波,使信号模糊不清。 However, the radar returns are often cluttered by interference, obscuring the signal. | ||
它是采用空间滤波技术,通过辅助通道在干扰方向上形成波束图的零点来实现对干扰信号的抑制。 Beam pattern null in the direction of the jamming is formed by a space filtering and assisted receive channels to suppress the jamming. | ||
降低漏源极直流母线电压影响干扰信号按傅立叶展开式的全部频带。 The decrease of the drain-source voltage or bus voltage affects the entire spectrum evenly according to Fourier theory. | ||
每年春分和秋分前后几天中,接收同步卫星信号的地面站都会受到太阳辐射的干扰。 Every year, several days before and after the spring Equinox and the Autumnal Equinox, the Synchronous satellite signals received by the earth stations are affected by the solar radiation. | ||