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1)  frequency synthesizer
频综
1.
A microwave frequency synthesizer with high hopping-frequency speed is proposed in this paper,which is based on the DDS and PLL technology.
现代雷达及跳频通信系统对微波捷变频频综提出了越来越高的要求,DDS和PLL技术是当今主要的捷变频信号合成方法。
2.
With the development of modern electronic technology, frequency synthesizers are required to have wider band, higher resolution, short frequency switching time and lower spurious level .
当前,采用直接数字频率合成(DDFS)技术来产生一定频率信号已经得到了广泛应用,但受其输出频率不高的限制,毫米波频段信号必须通过频综技术变频得到。
2)  frequency synthesis
频率综合
3)  frequency synthesizer
频率综合
1.
The paper studies the technology of frequency synthesizer of radar frequency agile, presents some good practical design methods, introduces a new technique of measurement of frequency hopping time and finally, gives out two practically developed results.
对雷达捷变频频率综合器技术进行研究,提出一些实用性好的设计方法,介绍一种比较新的跳频时间测量技术,并给出两种实际研制结果。
2.
This paper presents the design and characterization of a monolithic 10GHz frequency synthesizer/multiplier based on a 0.
2 um Ga As PHEMT工艺的 10 GHz单片频率综合器的系统模型、电路结构、性能分析、版图设计以及仿真结果 ,并简单介绍了工艺特点。
3.
Key technologies of frequency-hopping frequency synthesizer for Bluetooth RF front-end;
提出了应用于蓝牙射频前端的跳频频率综合器的设计方案,并介绍了关键模块压控振荡器与双模预分频器的设计技术,采用混合0·18μmCMOS工艺进行了流片验证。
4)  combined frequency measument
综合测频
5)  integrated video system
综合视频
6)  Frequency Synthesizer
频综器
1.
The Phase Noise Of Frequency Synthesizer For Radar And Visibility s Limitation In The Background Of Clutter;
机载雷达频综器的相位噪声及其对杂波下能见度的限制
2.
Study on a Ku band miniature low phase noise frequency synthesizer vibration isolation system
Ku波段小型低相噪频综器隔振研究
3.
Aiming at a kind of Ku band frequency synthesizer the article expatiates the selec- tion of parameters for frequency hopping digital phase-locked loop and their effect on phase noise、spur and stability.
针对一种Ku波段频综器阐述了基于数字锁相的跳频环路参数选择及对其相位噪声、杂散、稳定性的影响,研究了Ku波段频综器的设计思想,并对整体相位噪声进行了估计。
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