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1)  frequency measuring and phase difference measuring
测频测相
2)  Phase-frequency detection
相频检测
1.
A low-power digital phase-locked loop(DPLL) based on a new digital phase-frequency detection technique is presented.
提出了一种新型的数字锁相环 (DPLL) ,它的相频检测器采用全新的设计方法 ,与传统电荷泵锁相环相比 ,具有快速锁定、低抖动、低功耗、频率范围宽、且能消除相位“死区”的优点。
3)  frequency difference of phase finding
差频测相
4)  the mean of phase of frequency measurement
相位法测频
5)  phase frequency measurement method
相位测频法
1.
This paper discusses the accurate frequency measurement method after digital channelization based on the phase frequency measurement method,analyzes the performance of phase frequency measurement,simulates the channelized data by the phase frequency measurment method,and discusses the processing method while multi-signal existing in the same channel at the same time.
讨论了基于相位测频法的数字信道化后的精测频方法,对相位测频性能进行了分析,利用相位测频法对信道化后的数据进行了仿真,并讨论了同一信道中同时多信号的处理方法。
6)  phase frequency sweep test
相位扫频测试
1.
The characteristics of invariant electrical length interferometers are analyzed and an analysis method for antenna array debugging using phase frequency sweep test curve is proposed.
通过对恒电长度干涉仪的分析,提出了利用相位扫频测试对天线阵进行调试分析的方法,避免了繁杂的相位中心测试,简化了天线阵的调试过程,测试数据可直接用于系统校正。
补充资料:悬测
1.预测;揣想。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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