Compressive Sensing system for recording of ECoG signals in-vivo
Compressive Sensing system for recording of ECoG signals in-vivo
Compressive Sensing system for recording of ECoG signals in-vivo
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Topology LASSO (dB) BPDN (dB)Matlab Code 36.3 36.9Passive Integrator (6.5.1) 9.8 10.4Active Integrator (6.5.2) 7.8 5.6Modified Active Int. (6.5.3) 8.2 3.6SC Int. Parasitic Sensitive (6.5.4) 12.7 14.7SC Int. Parasitic Insensitive(6.5.5)14.1 14.9Table 6.2.6.1. SNR comparison between topologies and reconstruction methods.The primary advantages <strong>of</strong> SC circuits <strong>in</strong>clude: a) compatibility with CMOS technology; b) goodaccuracy <strong>of</strong> time constants; c) good voltage l<strong>in</strong>earity; d) good temperature characteristics; ande) less area needs. By the other hand, the ma<strong>in</strong> disadvantages are a) clock feedthrough; b) therequirement <strong>of</strong> nonoverlapp<strong>in</strong>g clock; and c) the necessity <strong>of</strong> the bandwidth <strong>of</strong> the signal be<strong>in</strong>gless than the clock frequency. Beneath, these considerations are taken <strong>in</strong>to account.69