详细介绍了一种用于电子侦察与对抗系统中的宽带、高分辨率、低相位噪声频率合成器。
A broadband, high resolution and low phase noise frequency synthesizer used in electronic detection and electronic countermeasure system is described in detail.
无论是雷达、电子对抗，还是通信、仪器设备等都需要高稳定度的频率源，以保证载波信号的质量。
Whatever it is radar, eccm equipment, communication equipment or instrument, frequency source with high stability is needed to guarantee the quality of carrier signal.
在电子对抗领域中，雷达信号的频率信息是信号分选、威胁识别、引导干扰的重要参数。
In the domain of ECM, the frequency information of radar signal is important parameter for signal choosing, menace recognizing and guidance ECM.
他能有效地对抗多径效应，消除符号间干扰，对抗频率选择性衰落，而且信道利用率高。
It can waken the multipath effect availably, eliminate symbol interference and fight against frequency select fading. Moreover, the channel utilization rate is high.
在无线通信领域中高性能频率源是通信设备、雷达、电子侦察和对抗设备的核心部件。
In the field of wireless correspondence, high performance of frequency source is the core part of communication facility, radar, electronic reconnaissance and resistance equipment.
宽带雷达对抗侦察数字接收机具有较宽的瞬时频率覆盖特性和较高的截获概率，并能处理同时到达的多个信号。
Wide frequency spectrum can be received and high probability of intercepting can be got and the simultaneously attend signals can be processed by wide band radar EW reconnaissance digital receiver.
提出一种跳频电台通过抑制跳频频率点、破坏干扰站网台分选的方法，从而达到对抗跳频跟踪式干扰的目的。
A method of controlled frequency points is put forward, which can destroy FH signal sorting. So the running-after-sport jamming will not be effective.
正交频分复用(OFDM)技术能够有效的对抗无线信道的频率选择性衰落，成为无线通信领域的另一个研究热点。
Orthogonal frequency division multiplexing (OFDM) can effectively combat the multipath fading of wireless channels and has become another hot point in the area of wireless communications.
结果表明，应采用多干扰机的饱和干扰和导前干扰组合对抗同时使用旁瓣对消和频率捷变的雷达。
The results showed that the combination of multi-jamming planes with saturated jamming and jamming before guidance should be adopted to against the radar using sidelobe cance…
对于不同的重复频率，与目标相对抗的杂波距离是不同的，因而对天线旁瓣电平的要求也不一样。
The antenna sidelobe level requirements are different for different PRFs because the ranges within which the sidelobe clutter competes with the target signal are different.
对于不同的重复频率，与目标相对抗的杂波距离是不同的，因而对天线旁瓣电平的要求也不一样。
The antenna sidelobe level requirements are different for different PRFs because the ranges within which the sidelobe clutter competes with the target signal are different.
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