Search results for computer+%3e+algorithms+and+software+methods

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Diagnosis of hypertrophic cardiomyopathy and left ventricular hypertrophy using frequency domain analysis of ECG signals

Background Cardiac conditions involving abnormal thickening of the heart muscle, such as hypertrophic cardiomyopathy (HCM) and left ventricular hypertrophy (LVH), present significant diagnostic challenges due to their overlapping symptoms and similar manifestations in standard ECG readings. Existing diagnostic methods—including echocardiograms,...

Inventor(s): Dongmei Chen, Edward Kim, Wei Li, Jiachen Li, Mauricio Hong, Sovik De Sirkar | Published: 11/25/2025

Category(s): Computer > Algorithms and software methods > Healthcare, Computer > Algorithms and software methods

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Rapid optical metrology of critical dimensions of large-area nanostructure arrays with complex patterns

Background Scatterometry-based metrology has the capability to perform high-throughput inspection of geometric characteristics of large-area nanopatterned surfaces. It utilizes physics-based dependencies between reflectance of light scattered from nanopatterned surfaces for pre-defined set of wavelengths and Critical Dimensions (CDs) of such nanopatterns. Current...

Inventor(s): Dragan Djurdjanovic, Ramin Sabbagh | Published: 11/25/2025

Category(s): Physical sciences > Testing equipment, Computer > Algorithms and software methods, Computer > AI/ML, Computer > Semiconductors

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Noise and spur reduction technique in fractional-N PLL

Background Delta-Sigma fractional-N PLL plays an important role in modern electronic systems. Unlike integer-N PLLs, fractional-N PLLs allow synthesis of frequencies that are a fraction of the reference frequency. Thus, a fractional-N PLL can use a higher reference frequency than an integer-N PLL for the same frequency resolution. It allows a wider...

Inventor(s): Nan Sun | Published: 11/25/2025

Category(s): Computer > Computer systems, Computer > Algorithms and software methods

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