Extended Data Fig. 9: Frequency response of WISDEM to input waveforms.
From: WISDEM: a hybrid wireless integrated sensing detector for simultaneous EEG and MRI
Using the test setup in Fig. 2a, sinusoidal impulses of a range of durations are injected into the WISDEM’s electrodes before the waveform is reconstructed from the oscillation signal. The reconstructed waveform maintains comparable (~100%) amplitude as the input amplitude when the input waveform has a duration of (a) 20 ms, (b) 10 ms, (c) 5 ms, (d) 2.5 ms and (e) 1 ms corresponding to an impulse frequency up to 1 kHz. The reconstructed magnitude decreases to 80% when the input waveform length is 0.5 ms (f), to 60% when the input waveform length is 0.33 ms (g), and to 40% when the input waveform length is 0.25 ms (h).
