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System and method for improved resolution pulsed radio frequency (RF) measurements with phase coherence
System and method for improved resolution pulsed radio frequency (RF) measurements with phase coherence
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机译：具有相位相干性的改进分辨率的脉冲射频（RF）测量的系统和方法
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摘要
A method for obtaining improved resolution pulsed radio frequency (RF) measurements with phase coherence for a device under test (DUT) using a vector network analyzer (VNA) includes generating a pulsed RF test signal, transmitting the pulsed RF test signal to the DUT and receiving a signal from the DUT at the VNA in response to the pulsed RF test signal. An intermediate frequency (IF) signal is generated using a local oscillator (LO) signal. A phase of the LO signal is shifted by a prescribed amount while generating the IF signal. The IF signal is then sampled over multiple pulses and measurements are constructed from the measurements. A discrete Fourier transform (DFT) is then applied to the constructed measurements.
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