What is it about?
It is shown here through mathematical derivation and numerical simulations how to recover, in real-time, the true physical data waveform hidden in the "distorted" output waveform of an electromagnetic and mechanical transducer (including pre-amplifier) with arbitrarily high-order transfer characteristics, possibly using modern DSP/FPGA and ADC/DAC technology.
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Photo by Godfrey Nyangechi on Unsplash
Why is it important?
Conventionally, the useful bandwidth of a transducer-amplifier system is restricted to the flat part of its transfer characteristics. Using this technique, it is possible to extend it far beyond, restricted only by the DSP/FPGA's bandwidth.
Perspectives
It was a pleasant surprise to earn the Editor's Pick of the prestigious instrumentational journal with a mathematical paper.
Jhinhwan Lee
Read the Original
This page is a summary of: Real-time digital signal recovery for sensors and amplifiers with resonant characteristics, Review of Scientific Instruments, June 2019, American Institute of Physics, DOI: 10.1063/1.5081789.
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