Pulse oximeters, a type of photoplethysmography (PPG) sensor, are electronic devices that measure a person’s blood-oxygen saturation (SpO 2) and heart-rate (HR) levels. Since their inception in the ...
Magnetotellurics is a key geophysical method that exploits natural electromagnetic fields to probe the Earth’s subsurface, offering invaluable insights into lithospheric structure and resource ...
The electrocardiogram (ECG) remains a cornerstone in cardiovascular diagnostics, yet its clinical utility is often compromised by signal distortions introduced during acquisition. Contemporary ...
Digital transition switching is the primary cause of noise in mixed-signal devices. Signal noise and immunity to power, ground, and substrate noise all benefit from using differential circuits. Design ...
Vishay Intertechnology has announced an ultra-high-precision Z-foil audio resistor featuring a special “naked Z-foil resistor” design that is claimed to increase clarity in audio signal processing ...
The term "noise" has negative connotations, both in vernacular usage and in scientific contexts. Noise is the number one enemy of engineers. For empirical scientists, random noise is undesirable ...
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For Better Decisions, Try More Noise and Less Signal
Don’t surrender your native powers of deduction to those who promise to tell you what’s important. If you’ve been hearing the phrase “we cut through the noise” a lot, there’s an excellent reason.
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