The phase detecting error caused by local oscillator frequency drift and non-synchronization of measurement signal and gate signal is eliminated and the measurement speed is improved at the same time.
该方法可以有效的消除因本振信号频率漂移及闸门信号与被测信号的非同步引起的测相误差，同时提高了测量速度。
Frequency Synthesizer (FS) is a very important block, which is used in a wireless transceiver as a local oscillator for frequency translation and channel selection.
频率合成器是射频收发机中非常重要的模块，是用于频率转换和频道选择的本地振荡源。
Single frequency source is usually used as local oscillator in communication system and radar system, also as a reference clock in digital circuits, so it is a extensive-applied technique.
固定频率源可以在在通讯系统和雷达系统中作为本机振荡器，也可以作为数字电路的基准时钟信号，因此得到了广泛的应用。
The' main factors resulting in local frequency tracking error are analyzed based on the principles of the tracking local oscillator for frequency agile radars of rotary tuning magnetron type.
本文从旋转变频磁控管式频率捷变雷达的本振频率跟踪原理出发，分析了产生本振频率跟踪误差的主要因素。
The former determines the frequency range which should be revised by the hot tracking circuit, while the later is the final frequency error of the local oscillator.
同时也提出了热跟踪后本振频率跟踪误差项。分析前者，可以决定热跟踪电路应予修正的频率范围，而后者则是跟踪本振最终的误差。
Bases on the IIFM technique, the principle and method to measure the local oscillator tracking accuracy of frequency - agile radar is put forward in this paper.
在介绍瞬时中频测试技术的基础上，介绍利用瞬时中频测试技术对捷变频雷达本振跟踪精度进行测试的原理和方法。
This paper introduces a method to realize frequency control of a noncoherent frequency-agility adaptive radar by using frequency setting and waiting, digital local oscillator and micro-processor.
介绍了采用置频等待、数字本振及微处理机技术实现非相参捷变频自适应雷达频率控制的方法。
Therefore it satisfies operating requirements for time-frequency system and high-stability local oscillator, and has good application prospects.
因此比较好的满足了时频系统，特别是高稳定本振系统的使用要求，而且有着良好的应用前景。
This oscillator has been successfully used in solid state FM-CW radar system, microwave scatterometer, FM-jamming stations and frequency-agile local oscillator.
该固态源已成功地应用于FM - CW雷达、微波散射计、噪声调频干扰信号源、捷变本振源等方面。
This oscillator has been successfully used in solid state FM-CW radar system, microwave scatterometer, FM-jamming stations and frequency-agile local oscillator.
该固态源已成功地应用于FM - CW雷达、微波散射计、噪声调频干扰信号源、捷变本振源等方面。
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