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physics.ins-det2014★ 13 cited
High Precision Measurements Using High Frequency Signals
Aohan Jin, Siyuan Fu, Atsunori Sakurai +5
Generalized lock-in amplifiers use digital cavities with Q-factors as high as 5X10^8. In this letter, we show that generalized lock-in amplifiers can be used to analyze microwave (…
physics.ins-det2013★ 37 cited
Generalized lock-in amplifier for precision measurement of high frequency signals
Siyuan Fu, Atsunori Sakurai, Liang Liu +4
We herein formulate the concept of a generalized lock-in amplifier for the precision measurement of high frequency signals based on digital cavities. Accurate measurement of signal…