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1)  frequency synthesis source
频综源
2)  Tunable local frequency generation by frequency synthesizer
频率综合可调本振源
3)  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。
4)  frequency synthesis
频率综合
5)  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。
6)  combined frequency measument
综合测频
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