Simplified Doppler Frequency Shift Measurement Enabled by Serrodyne Optical Frequency Translation
نویسندگان
چکیده
A simplified Doppler frequency shift (DFS) measurement approach based on Serrodyne optical translation is reported. sawtooth wave with high amplitude sent to one phase modulation arm of a Mach–Zehnder modulator in conjunction the transmitted signal implement translation, as well frequency-shifted carrier. The echo applied other modulator. lower first-order sidebands from are selected by an bandpass filter and detected photodetector. By measuring output low-frequency signal, value direction DFS can be determined. −100 100 kHz measured for 6- 17-GHz microwave signals error ±0.03 Hz stability ±0.015 30 min when 500-kHz used.
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ژورنال
عنوان ژورنال: IEEE Microwave and Wireless Components Letters
سال: 2022
ISSN: ['1531-1309', '1558-1764']
DOI: https://doi.org/10.1109/lmwc.2021.3138439